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WO2020068105A1 - Dispositif de visualisation sans fil et son procédé d'utilisation - Google Patents

Dispositif de visualisation sans fil et son procédé d'utilisation Download PDF

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Publication number
WO2020068105A1
WO2020068105A1 PCT/US2018/053343 US2018053343W WO2020068105A1 WO 2020068105 A1 WO2020068105 A1 WO 2020068105A1 US 2018053343 W US2018053343 W US 2018053343W WO 2020068105 A1 WO2020068105 A1 WO 2020068105A1
Authority
WO
WIPO (PCT)
Prior art keywords
cannula
housing
camera
distal end
transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2018/053343
Other languages
English (en)
Inventor
Romi Mirza
Ather Mirza
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A M Surgical Inc
Original Assignee
A M Surgical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A M Surgical Inc filed Critical A M Surgical Inc
Priority to PCT/US2018/053343 priority Critical patent/WO2020068105A1/fr
Publication of WO2020068105A1 publication Critical patent/WO2020068105A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00011—Operational features of endoscopes characterised by signal transmission
    • A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/0002—Operational features of endoscopes provided with data storages
    • A61B1/00022—Operational features of endoscopes provided with data storages removable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00105—Constructional details of the endoscope body characterised by modular construction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00112—Connection or coupling means
    • A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
    • A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes

Definitions

  • This application generally relates to medical devices.
  • the application relates to wireless viewing devices and the use thereof.
  • Endoscopic and arthroscopic surgeries are minimally invasive surgical procedures that are performed through small incisions or natural body openings.
  • An endoscopic or arthroscopic procedure typically involves use of specialized devices and direct- or remote-control manipulation of instruments with indirect observation of the surgical field through an endoscope, arthroscope or similar device.
  • endoscopic and arthroscopic surgery is a minimally invasive surgery with less postoperative pain, early resumption of usual activities and a cosmetically appealing scar. It typically results in shorter hospital stays, or allows outpatient treatment.
  • arthroscopy is applied to introduction of a scope into a joint anywhere in the body.
  • Arthroscopic surgery refers to the process of introducing of the instrument to, and performing an operation at the joint.
  • Endoscopy is applied to introduction of a scope into a body cavity anywhere in the body.
  • Endoscopic surgery refers to the process of introducing the instruments and performing surgery at the operation site.
  • Further nomenclature is designated by the anatomical structure the scope is introduced into, for example if the scope is placed in the stomach it is called Gastroscopy, in the abdomen it is Laprascopy, etc. There are places where no actual cavity exists.
  • surgeons can create a cavity by introducing a slotted cannula to visualize the surroundings without soft tissue obstruction, as in endoscopic carpal tunnel and cubital tunnel.
  • the present application fulfills a need in the art for a compact device for uniportal endoscopic wireless viewing of a target site in a subject in need thereof.
  • the present device comprises integrated camera and lighting, allowing wireless real-time transmission of images to any viewing device, providing the advantage of allowing small clinics or individual practitioners to provide endoscopic services without the need to invest in costly equipment that can also be expensive to maintain.
  • the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula.
  • the transmitter is a microchip transmitter.
  • Another aspect of the present application relates to a system for wireless observation of a target tissue, comprising a reusable wireless endoscopic viewing device.
  • the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula.
  • the system further comprises an external receiver/transmitter for visualizing images transmitted by the device.
  • the transmitter is a microchip transmitter.
  • Still another aspect of the present application relates to a method for wireless observation of a target site in a subject in need thereof.
  • the method comprises the steps of establishing an entry portal having access to the target site; inserting the distal end of a disposable cannula of a reusable wireless viewing device through the entry portal, wherein the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula; advancing the cannula toward the target site; and imaging the target site with the camera.
  • kits for wireless observation of a target site in a subject contains a reusable wireless viewing device comprising a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source; at least one disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased
  • FIG. 1 shows an exemplary embodiment of the present application.
  • FIGS. 2A-C show top (2 A), side (2B) and distal end (2C) perspective views of an exemplary embodiment of the present invention.
  • FIG. 3 shows an exemplary wireless viewing device of the present application.
  • FIG. 4 shows another exemplary wireless viewing device of the present application.
  • FIGS. 5A-D show an exemplary wireless viewing device of the present application having a fixed cannula.
  • FIGS. 6A-D show an exemplary wireless viewing device of the present application having a detachable cannula.
  • FIG. 7 shows another embodiment of the wireless viewing device of the present application.
  • trigger finger also refers to“trigger digit,”“trigger thumb,” and“stenosing tendovaginitis.”
  • the terms“horizontal” and“vertical,” and derivatives of those terms are used in respect to their relationship to the plane defined by the slot in the cannula of the present application.“Vertical” refers to the plane that can, for example, pass through the slot of the cannula and bisect the cannula into two equal halves, while“horizontal” refers to a plane that is perpendicular to the vertical plane.
  • the horizontal plane may be a level plane with respect to the length of the cannula or housing of the device, or may be at an angle to that level plane, allowing some upward or downward movement of elements moving along the horizontal plane with respect to the level plane.
  • the term“subject” refers to an animal.
  • the animal is a mammal.
  • the mammal is a human.
  • the term "practitioner” refers to one of skill in the art or any other user of the present device.
  • durable refers to an object that can be used more than one time.
  • a durable object can be sterilized by any means suitable for the nature of the object including, but not limited to, ethylene oxide (EtO), autoclaving, gamma irradiation, sterilizing wipes, sterilizing spray, or ultraviolet radiation.
  • EtO ethylene oxide
  • autoclaving gamma irradiation
  • sterilizing wipes sterilizing spray
  • ultraviolet radiation any means suitable for the nature of the object including, but not limited to, ethylene oxide (EtO), autoclaving, gamma irradiation, sterilizing wipes, sterilizing spray, or ultraviolet radiation.
  • a device of the present application comprises a rigid or flexible cannula, dependent upon the procedure for which the device is to be used, that is attached to the distal end of a housing.
  • the cannula is clear, being made of a transparent material.
  • the procedure can be a uniportal percutaneous endoscopic surgical procedure.
  • the viewing device of the present application is configured to be attachable to endoscopes, arthroscopes and laproscopes.
  • the viewing device of the present application is configured to be attachable to existing surgical tools, such as clamps and wires, to add a camera to the existing tool.
  • the cannula has an open proximal end where it is attached to the distal end of the housing.
  • the cannula comprises a closed distal end.
  • the closed distal end of the cannula is upturned and comprises an edge for separating, but not cutting, tissues as the cannula is advanced from an entry portal towards a target tissue.
  • the cannula comprises a longitudinal slot that extends from the proximate end to the proximity of the distal end of the cannula.
  • the distal end of the slot is contiguous with an open distal end of the cannula. In other further embodiments, the distal end of the slot is closed. In still other embodiments, the cannula comprises open proximate and distal ends, with the longitudinal surfaces of the cannula being closed.
  • the device comprises a sensor or camera for imaging a target area, a light source for illuminating the target area, a circuit board for controlling the functions of the device, and a transmitter/receiver/antenna/wire assembly for communicating between the device and a remote control panel or monitor.
  • the senor is an Omnivision sensor and is provided ready for use in a compact camera module comprising included optics/lenses.
  • the sensor is an Omnivision sensor and is provided“as is,” requiring additional optics/lenses.
  • the senor is a Medigus sensor.
  • the senor is less than 8 mm in width and is for medical/surgical applications. In some embodiments, the sensor is less than 7 mm in width and is for medical/surgical applications. In some embodiments, the sensor is less than 6 mm in width and is for medical/surgical applications. In some embodiments, the sensor is less than 5 mm in width and is for medical/surgical applications. In some embodiments, the sensor is less than 4 mm in width and is for medical/surgical applications. In some embodiments, the sensor has a width of 2-10 mm, 2-8 mm, 2-6 mm, 2-4 mm, 4-10 mm, 4-8 mm, 4-6 mm, 6-10 mm, 6-8 mm or 8-10 mm. In some embodiments, the sensor has a width of about 2, 3, 4, 5, 6, 7, 8, 9 or 10 mm.
  • the light source is an LED light source in close proximity to the sensor.
  • a fiber or fiber bundle is connected the light source and transmits light from a light source remotely located in the viewing device to the sensor.
  • the viewing device comprises an on-board video processing board/image processing unit.
  • the video processing board/image processing unit is an Omnivision video processing board/image processing unit, such as, but not limited to, an OVMed-ISP image processing unit or an OV426.
  • the video processing board/image processing unit is a Medigus video processing board/image processing unit.
  • the video processing board/image processing unit is an A.M. Surgical video processing board/image processing unit.
  • the transmitter is a wireless transmitter.
  • the wireless transmitter is a microchip transmitter.
  • the wireless transmitter comprises an Amimon transceiver chip.
  • the wireless transmitter and at least one external receiver communicate via wireless local area networking based on the IEEE 802.11 standards (WiFi). In other embodiments,
  • communication is via WIHD. In other embodiments, communication is via WirelessHD (such as Ultragig). In other embodiments, communication is via WiGig. In some embodiments, communication is via radio. In other embodiments, communication is via short-wavelength radio transmissions, for example in the ISM band from 2400-2480 MHz (IEEE 802.15.1, or Bluetooth). In some embodiments, communication is via radio frequency (RF) communication signals (e.g., FM radio signal). In other embodiments, communication is via microwave or infrared (IR) communication signals from the wireless sensor. In other embodiments, communication is via near-field communication (NFC) signals between the internal control board having transmitter and receiver functions for wirelessly communicating and the at least one external receiver and transmitter. In certain embodiments, the wireless transmitter may utilize satellite communication. In various embodiments, the wireless transmitter utilizes wireless sensor networks such as ZigBee, EnOcean, TransferJet, Ultra- wideband; or short-range point-to-point communication such as radio frequency
  • RFID identification
  • communication is via digital communication.
  • communication is via analog communication.
  • the viewing device transmits video data via wire or cable to a receiver.
  • the wire-connected receiver preforms the function of processing the video sensor input and delivers the data to a monitor or other visual medium.
  • the wire or cable is USB, mini-USB, micro-USB, USB-C or Lightning.
  • the wire-connected receiver is held or worn by the practitioner.
  • the viewing device is capable of transmission to a receiver via a combination of any of the above methods.
  • the communication between the transmitter and the receiver is a closed, paired system.
  • signal from the transmitter can be received by multiple receivers.
  • the external receiver is interfaced with a computer terminal or video monitor.
  • the computer terminal is a notebook computer.
  • the external receiver is a tablet or smart phone.
  • the computer, tablet or smart phone comprises an application (app) that communicates with the viewing device.
  • the app that communicates with the viewing device is a dedicated app.
  • the viewing device is provided with a unique identifier that can be entered into/associated with the app for dedicated communication between an individual viewing device and the app.
  • the app is capable of recording the transmission from the viewing device as a video or individual pictures/screen captures.
  • the recordings can be saved into an archive, such as a medical record of the subject.
  • the app is capable of remotely controlling functions of the viewing device. For example, functions that could be controlled remotely include, but are not limited to, camera focus, camera optical zoom, camera digital zoom, camera field of view, camera angle, camera rotation, light on/off, and light intensity.
  • the receiver is a dongle connected to a monitor. In some embodiments, the receiver is connected via wire or cable to one or more displays. In other embodiments, the receiver relays data wirelessly to one or more displays.
  • the monitor can be any type of monitor, including but not limited to a video monitor, audio monitor, wavelength monitor, etc.
  • the monitor is a video monitor.
  • the housing further contains a power source, such as a battery.
  • the preassembled nature of the device also provides convenience for the practitioner in that the cannula, camera and tools are available in a single package that requires no further assembly and can be used easily in an office setting without the need for some traditional endoscopic or arthroscopic equipment that may be too expensive or cumbersome to use outside of a hospital. Additionally, the present device also can be easily transported and used in remote settings, such as by emergency medical personnel, first responders or military medical personnel.
  • the device is sterilized before use or before delivery.
  • the entire device is disposable. In other embodiments, the entire device is durable. In still other embodiments, the cannula element is disposable while the remainder of the device is durable. In some embodiments, durable portions of the device can be re-sterilized before or after use. Methods of sterilization include, but are not limited to, ethylene oxide, autoclaving, gamma irradiation, sterilizing wipes, sterilizing spray, and/or ultraviolet radiation. In some embodiments, the device is fully reusable and can be sterilized by ethylene oxide, autoclaving, gamma irradiation, sterilizing wipes, sterilizing spray and/or ultraviolet radiation
  • the device can be used for any general or surgical application.
  • the device can be used for a uniportal endoscopic viewing and/or surgical procedure. In other embodiments, the device can be used for an arthroscopic, laparoscopic, or thoracoscopic viewing and/or surgical procedure. As used herein,“laparoscopic” and“thoracoscopic” procedures fall within the scope of“endoscopic” and“arthroscopic” procedures.
  • the cannula of the device is adapted for use in orthopedic procedures.
  • the device may be used as an arthroscope or laparoscope.
  • the device can be used with, and enhance the function or utility of other devices, such as clamps or wires, by adding camera functionality.
  • the cannula of the device is insertable into another device.
  • the device can be used in the place of a traditional endoscope in conjunction with a compact endoscopic surgical device, such as STRATOS (A.M. Surgical, Inc., Smithtown, NY) or other devices.
  • STRATOS A.M. Surgical, Inc., Smithtown, NY
  • the components of the device can be incorporated into another device, such as STRATOS, to create an endoscopic surgical device with an embedded camera.
  • Endoscopic or arthroscopic surgical procedures that can be performed with a device of the present application include, but are not limited to, carpal tunnel release,
  • Guy on's canal (or tunnel) release cubital tunnel release, plantar fascia release, lateral release for patella realignment, release of radial tunnel, release of pronatar teres, release of trigger finger, release of lacertus fibrosus, tendon release, release of the extensor tendons for lateral epicondylitis, release of medial epicondylitis, release of the posterior and other compartments of the leg, forearm fascia release for fascial compartment syndrome, release of fascial compartments in the upper or lower extremities, relieving the compression of a nerve by a ligament pulley or tunnel, and releasing the travel of a ligament or tendon through a pulley or tunnel.
  • Procedures that can be performed with a cannula or device of the present application include endoscopic or arthroscopic surgical procedures on the spine, such as discectomy for the treatment of degenerative disc disease, herniated discs, bulging discs, pinched nerves or sciatica. Procedures that can be performed with a cannula or device of the present application also include procedures on cranial and facial tissues, as well as fasciotomy release throughout the body.
  • the cannula or device of the present application can be used for blood vessel, including vein or artery, harvesting throughout the body, for example to provide blood vessel graft material in conjunction with a coronary bypass procedure or for a reconstructive surgical procedure.
  • Procedures that can be performed with a cannula or device of the present application also include endoscopic procedures on the wrist and hand, including the palmar and dorsal sides of the hand. Endoscopic procedures that can be performed with a cannula or device of the present application on the hand also include the digits, including the thumb, index finger, middle finger, ring finger and little (pinky) finger.
  • endoscopic or arthroscopic procedures that can be performed with a device of the present application include, but are not limited to, observation of internal tissues or injuries, cauterization of vessels, harvesting of tissues for ex vivo growth; obtaining biopsies; spinal surgery; endonasal surgery; mucosal resection; removal of parasites, cysts or tumors, and foreign body retrieval.
  • Still other examples of endoscopic or arthroscopic surgery that can be performed with the device include, but are not limited to, procedures on or within bone, in or around joints or the tendons associated with those joints, as well as any tissue, area or cavity of the body of a subject.
  • endoscopic or arthroscopic surgical procedures can be performed using a viewing device of the present application in the place of a traditional endoscope in conjunction with a compact endoscopic surgical device, such as STRATOS (A.M. Surgical, Inc., Smithtown, NY) or other devices.
  • a viewing device of the present application in the place of a traditional endoscope in conjunction with a compact endoscopic surgical device, such as STRATOS (A.M. Surgical, Inc., Smithtown, NY) or other devices.
  • STRATOS A.M. Surgical, Inc., Smithtown, NY
  • the present device can be used in the head of a subject.
  • Exemplary procedures in the head include, but are not limited to, nasal surgery, endoscopic sinus surgery, endoscopic pituitary surgery, cranial surgery, endoscopic ear surgery, throat surgery, endodontic surgery and tonsils.
  • the present device can be used in the neck of a subject. Exemplary procedures in the neck include, but are not limited to, laryngoscopic surgery, vocal cord surgery, esophageal surgery, thyroid surgery, carotid artery surgery, and brachial plexus surgery.
  • the present device can be used in the chest of a subject.
  • Exemplary procedures in the chest include, but are not limited to, endoscopic mediastinal surgery, thoracic surgery, heart surgery, esophageal surgery, and upper gastrointestinal (GI) scoping.
  • GI gastrointestinal
  • the present device can be used in a procedure of a finger, hand, foot of a subject.
  • the present device can be used in the abdomen of a subject.
  • Exemplary procedures in the abdomen include, but are not limited to, diagnostic laparoscopy, laparoscopic gastric surgery, laparoscopic liver surgery, laparoscopic pancreatic surgery, laparoscopic nephrectomy and kidney surgery, laparoscopic intestinal surgery, laparoscopic oophorectomy, laparoscopic hysterectomy, laparoscopic urinary bladder surgery, laparoscopic prostate surgery, laparoscopic aortic surgery, laparoscopic
  • the present device can be used in an upper extremity of a subject.
  • exemplary procedures in an upper extremity include, but are not limited to, ECTR, ECUTR, endoscopic pronator teres release, forearm fascial compartment release, endoscopic repair of biceps tendon, endoscopic release of lateral and medial epicondylitis, endoscopic release of radial tunnel syndrome, endoscopic surgery of the brachial plexus, endoscopic harvesting of nerve graft, arthroscopy and surgery of wrist, arthroscopy of elbow, arthroscopy and surgery of the carpometacarpal (CMC) joint, arthroscopy and surgery of shoulder, arthroscopy and surgery of acromioclavicular (AC) joint.
  • CMC carpometacarpal
  • the present device can be used in a lower extremity of a subject.
  • exemplary procedures in an lower extremity include, but are not limited to, femoral artery surgery, fascia lata release, knee lateral release, endoscopic peroneal nerve release, endoscopic leg fascial compartment release, endoscopic release of gastrocnemius, endoscopic tarsal tunnel release, endoscopic release of Morton’s neuroma, endoscopic release of the plantar fascia, arthroscopy of hip, knee and ankle, subtalar joint, and endoscopic harvesting of nerve and tendon graft.
  • Endoscopic or arthroscopic surgical procedures that can be performed with a device of the present application, such as, but not limited to, a ligament or fascia release procedure, can be performed by approaching the target tissue through an incision or body opening on either the proximate or distal side of the target tissue.
  • a device of the present application can be used for plastic surgery.
  • a device of the present application is useful for tissue remodeling or the excision of tissue segments, including necrotic tissue.
  • a device of the present application is lightweight, compact and can be manipulated with a single hand.
  • the weight of the device is less than about one pound, allowing the device to be easily carried within a pocket, backpack, satchel or case. In some embodiments, the device weighs less than about 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4 or 3 ounces.
  • the housing of the device can be generally rectangular or oval in shape.
  • the housing can also serve as a grip or handle for the device. All on-board components of the device are housed within a single housing, or within the housing and the cannula. In general, the housing of the device can be easily held within the palm of one hand and manipulated by that one hand.
  • the overall dimensions of the housing (with the longest dimension being measured from the distal end to the proximal end of the housing) are less than about 7 inches in length, 2 inches in width and 2 inches in thickness (7x2x2). In further embodiments, the overall dimensions of the housing are less than about 6x2x1. In still further embodiments, the overall dimensions of the housing are less than about 5x1.5x1. In even further embodiments, the overall dimensions of the housing are less than about 5x1.5x0.5.
  • the outer surface of the housing may be textured, grooved, indented or shaped to facilitate gripping by a hand or by another device.
  • the cannula of the device is attached at its proximal end to the distal end of the housing.
  • the cannula can be either permanently attached to the distal end, or may be detachable/replaceable by any suitable means including, but not limited to, a luer-lock type system, cam lock, snap-fit or threaded to screw into or onto the distal end of the housing.
  • the cannula can be opaque, translucent or transparent.
  • the cannula can be flexible or rigid.
  • the cannula is made of polycarbonate.
  • a cannula of the present device is about 12 inches in length.
  • a cannula of the present device is about 11, 10, 9, 8, 7, 6, 5, 4, 3 or 2 inches in length.
  • the cannula is a rigid, transparent, cylinder-shaped tube with an open slot extending from its proximal end or the proximity of its proximal end to its distal end or the proximity of its distal end.
  • one or more detachable cannulas may be supplied with a housing as part of a kit.
  • Each cannula supplied with the housing may be designed or suited for a particular need for the examination and/or treatment of a subject.
  • the practitioner can select a cannula that is best suited for use with the immediate treatment/examination need of the subject.
  • the cannulas can be interchanged during the treatment of that subject based upon changing needs by the practitioner for the treatment/examination of that subject.
  • the compact size and light weight of the device reduces the amount of fatigue experienced by the practitioner operating the device versus larger, heavier devices.
  • the device can be supplied as a single-use, disposable device that is pre- sterilized and sealed within packaging that keeps the device sterile until opened.
  • the device is fully disposable and comes pre-sterilized via ethylene oxide (EtO).
  • EtO ethylene oxide
  • the device can be supplied as part of a kit that includes additional instruments useful with the device such as, but not limited to, scalpel, elevator, dilator, bandages, tape, needles and sutures.
  • the device can be used in a clinical setting.
  • the clinical setting can be a hospital, emergency clinic, outpatient clinic, or office, for example.
  • the device can also be used outside the clinical setting, such as, but not limited to, in an emergency situation.
  • the device of the present application can be used by various practitioners including, but not limited to, a physician, surgeon, nurse, nurse practitioner, first responder, paramedic, emergency medical technician, medic, corpsman, technician or caregiver.
  • the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula.
  • the device can be handheld or held by another device.
  • the device can be used on any target tissue, bone, joint or target area of the body of a subject.
  • the transmitter is a microchip transmitter.
  • the lens of the camera has a diameter of less than 5 mm. In some further embodiments, the camera is a NANEYE camera.
  • the light source is an LED light source.
  • the cannula is rigid.
  • the cannula is flexible.
  • the cannula is clear.
  • the housing further comprises a slot for the insertion of a memory device.
  • the memory device is selected from the group consisting of an SD card, a micro-SD card, a USB device and a flash drive.
  • the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula.
  • the system further comprises an external receiver/transmitter for visualizing images transmitted by the device.
  • the external wireless receiver/transmitter is selected from the group consisting of video monitors, computer terminals comprising a monitor, smart phones and tablet computers.
  • function of the device is controlled with a dedicated application (app) installed or resident on the external wireless receiver/transmitter.
  • apps installed or resident on the external wireless receiver/transmitter.
  • Another aspect of the present application relates to a method for wireless observation of a target site in a subject in need thereof.
  • the method comprises the steps of establishing an entry portal having access to the target site; inserting the distal end of a disposable cannula of a reusable wireless viewing device through the entry portal, wherein the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula; advancing the cannula toward the target site; and imaging the target site with the camera.
  • the target site is a joint.
  • the target site is a ligament, tendon or pulley.
  • the target site is fascia.
  • the target site is a blood vessel.
  • kits for wireless observation of a target site in a subject contains a reusable wireless viewing device comprising a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source; at least one disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within
  • the kit comprises more than one cannula.
  • FIG. 1 shows one exemplary embodiment of the device 100 of the present application.
  • the device generally comprises a housing 110 and a cannula 120.
  • the cannula 120 comprises an open central lumen, a proximal end 121 and a distal end 122, wherein the proximal end 121 of the cannula 120 is attached to the distal end of the housing 110.
  • the cannula 120 is composed of a clear material.
  • the clear material is polycarbonate.
  • the cannula is marked with gradations showing how far the cannula 120 had been inserted through an entry portal.
  • the cannula 120 of the present device 100 comprises a slot 123 in its upper surface, wherein said slot 123 is contiguous with the open central lumen.
  • said upper surface is flattened, in other embodiments, said upper surface is rounded.
  • the slot 123 extends from the proximal end 121 to the proximity of the distal end 122 of the cannula 120. In other embodiments, the slot extends from a point located between the proximal end 121 and distal end 122 to the proximity of the distal end 122.
  • the proximity of the distal end has the meaning of the slot 123 ending prior to actually j oining the distal end 122, i.e., having at least a minimal bridge of material crossing between the distal end of the slot 123 and the distal end 122 of the cannula 120 to prevent over-advancement of a deployed tool through the distal end 122 of the cannula 120.
  • the distal end of the slot 123 is contiguous with an open distal end 122 of the cannula 120.
  • the distal end 122 of the cannula 120 is closed, as an obturator. In some embodiments, said distal end 122 is pointed. In other embodiments, the distal end 122 comprises a leading edge that is turned upwards, allowing the cannula to separate and form a passage from the entry portal through/between/under/over body tissues to and/or past a target tissue. In some further embodiments, the edge can be flattened.
  • the body of the cannula 120 is laterally expandable in order to spread tissue as a passage is made by the cannula 120, obviating the need for inserting a separate instrument through the entry portal to spread tissue.
  • the camera 130 and surgical tools are contained within the housing 110 of the device 100 prior to deployment into the cannula 120.
  • the device 100 comprises a camera 130 that is small enough to deploy into the central lumen of the cannula 120.
  • the camera 130 is generally a high resolution camera, but is at least of sufficient resolution for imaging with sufficient clarity to distinguish different bodily tissues from one another and to image a target tissue with sufficient clarity in order to observe the performance of a surgical procedure on the target tissue.
  • the camera 130 can be focused
  • the camera 130 can be advanced into the cannula 120 independently of any surgical tools in order to image/observe bodily tissues or target tissue surrounding the cannula 120 or through the slot 123 before, after or in lieu of a surgical procedure. Having an integral camera 130 within the device, eliminates the need to insert a separate endoscopic camera into the device or an entry portal, thereby eliminating the need for another separate element in the procedure.
  • the camera 130 can also be advanced into the cannula 120 in association with the probe 140, blade 150, cautery 160 or other suitable surgical tool.
  • the camera comprises within its field of view any portion of the probe 140, blade 150, cautery 160 or other suitable surgical tool that is in contact with, or performing a desired surgical procedure on, a target or bodily tissue.
  • the camera is a NANEYE camera.
  • the camera 130 has a resolution of at least 100 x 100 pixels.
  • the camera 130 has a resolution of at least 150 x 150 pixels.
  • the camera 130 has a resolution of at least 200 x 200 pixels.
  • the camera 130 has a resolution of at least 250 x 250 pixels.
  • the camera 130 remains in a fixed position within the housing 110.
  • the camera 130 comprises an image transmitting optical fiber, which is attached at its proximal end to the camera.
  • the distal end of the image transmitting optical fiber is movable and moves into the cannula 120 independently or with tools of the device 100.
  • the distal end of the image transmitting optical fiber is in a fixed position in the proximity of the distal end 122 of the cannula, such that from the fixed position of the image transmitting optical fiber the camera 130 can observe and image the surgical procedure.
  • the device 100 comprises a combination of at least one movable camera 130 and at least one fixed position camera 130 as described above.
  • a camera 130 of the present device 100 comprises a camera body and a lens assembly that is attached to the camera body via an image transmitting optical fiber.
  • the device comprises a probe element 140.
  • the probe 140 can be advanced into the cannula 120 and protrudes vertically through the slot 123 in order to, for example, move tissues above the slot 123, provide a reference point for imaging, determine the edges of the target tissue or remove synovium from the target tissue.
  • the device 100 comprises a blade 150 for performing surgical procedures on a target tissue.
  • the blade 150 can be advanced into the cannula 120 and protrudes vertically through the slot 123 in order to divide a target tissue.
  • the blade 150 comprises at least one cutting surface on its distal side and division of the target tissue is performed by moving the blade through the slot 123 in a proximal 121 to distal 122 direction.
  • the blade 150 comprises at least one cutting surface on its proximal side and division of the target tissue is performed by moving the blade through the slot 123 in a distal 122 to proximal 121 direction.
  • FIG. 1 also shows an embodiment of the device 100 comprising a cautery element 160.
  • the cautery 160 can be advanced into the cannula 120 and protrudes vertically through the slot 123 in order to cauterize a target tissue.
  • the target tissue was previously divided with the blade 150 of the device 100 during the same surgical procedure.
  • the target tissue was previously divided by a blade in an earlier surgical procedure.
  • the target tissue was in need of cauterizing due to an earlier injury or other outstanding medical condition.
  • the device 100 further comprises a light source 170 contained within the housing 110.
  • the light source 170 provides illumination for the camera 130 in order to allow visualization of bodily or target tissues through the cannula 120 or slot 123.
  • the position of the light source 170 is fixed within the housing 110 of the device 100.
  • the light source 170 is associated with the camera 130 and travels with the camera 130, either into the cannula 120, or staying within the housing 110, but moving closer to the proximal end 121 of the cannula 120 as the camera 130 is advanced toward the distal end 122 of the cannula 120.
  • the light source 170 comprises a main body whose position is fixed within the housing and is attached to the proximal end of a light transmitting fiber, the distal end of which provides light for the camera 130. In some further embodiments, the distal end of the light transmitting fiber moves in concert with the camera 130. In other further embodiments, the distal end of the light transmitting fiber remains in a fixed position within the cannula 120, for example, in the proximity of the distal end 122 of the cannula. In some embodiments, the light source 170 is a semiconductor light source. In some embodiments, the light source 170 is a light emitting diode (LED) light source. In some embodiments, the device 100 comprises a plurality of light sources 170 as described above that can be in a fixed position and/or moveable.
  • LED light emitting diode
  • the device 100 comprises a circuit board 180 for processing imagery obtained by the camera 130. Said imagery is transmitted to a remote control or video display via a wireless antenna 190 contained within the housing 110 of the device 100.
  • the circuit board receives instructions from the remote control via the wireless antenna 190.
  • the movement of the camera 130 and the tools of the device 100 are controlled remotely via instruction transmitted to the circuit board 180.
  • the housing 110 of the device 100 comprises manual control for selecting tools and/or advancing/withdrawing tools or the camera 130 into/from the cannula 120.
  • the device 100 further comprises an integral power source 195 to provide energy for the camera 130, light source 170, circuit board 180 and any mechanical functions within the device 100.
  • the power source 195 is a battery.
  • the battery is a lithium battery.
  • the power source 195 is installed within the device 100 upon manufacture, or prior to provision to a practitioner.
  • the power source 195 is provided separately from the device 100 and installed into the device 100 prior to the use of the device 100 in a surgical procedure.
  • the power source 195 is removable from the device 100 for separate disposal.
  • FIG. 2 A shows a top view of an embodiment of the device, showing a cannula 120 attached at its proximal end to the distal end of a housing 110.
  • the cannula 120 comprises a longitudinal slot 123 that extends longitudinally from a proximal end 124 to near the distal end 122 of the cannula 120.
  • the proximal end 124 of the slot is raised to better allow tools to enter the slot without scraping against the proximal end 124.
  • the device at the junction of the housing 110 and the cannula 120, the device comprises a connecting ring 200 that attaches the cannula 120 to the housing 110.
  • the connecting ring 200 comprises a paddle 210 for ease of manipulation, such as when the device is being held and controlled within one hand.
  • the connecting ring allows for the interchangeable attachment of different types of cannulas 120 to a given housing 110, dependent upon the procedure to be performed with the device.
  • the housing 110 further comprises a rocker switch 220 that is used to move the selected tools within the housing or into and out of the cannula 120. In other embodiments, the movement of tools into and out of the cannula 120 is controlled electronically and/or remotely.
  • the housing 110 also comprises a switch 230 for turning the light on and off.
  • FIG. 2B is a side view of the embodiment of the device shown in FIG. 2 A, showing the housing 110, cannula 120, and the intervening connecting ring 200 with paddle 210.
  • the distal end 122 of the cannula 120 is closed and turned upwards, serving as an integral obturator.
  • FIG. 2C is a distal end view of the embodiment of the device shown in FIG. 2A, showing the relative positions of the cannula 120, housing 110, paddle 210, slider knob 220 and switch 230.
  • the wireless viewing device comprises a housing having a proximal end and a distal end; a wand having a proximal end and a distal end, wherein the proximal end of the wand adjoins the distal end of the housing; a camera with a lens; a light source; a control board having transmitter functions for wirelessly communicating with at least one external receiver; and a power source, wherein the control board and power source are enclosed by the housing and the camera with a lens and the light source are located at or proximate to the distal end of the wand.
  • the wireless viewing device is insertable into a cannula.
  • the wireless viewing device of this embodiment can be used on any target tissue, bone, joint or target area of the body of a subject as set forth above.
  • the wireless viewing device of this embodiment can be used for minimally-invasive observation of an internal bodily target location.
  • the wireless viewing device can be used, for example, for pre-treatment, or pre operative, observation or diagnosis; post-treatment, or post-operative, observation or follow up; or general observation of a target location in need thereof without further treatment or operative intervention.
  • the wireless viewing device of this embodiment can be used for monitoring of the progress or regression of a condition or target tissue, such as a surgical repair of a target tissue or the growth/regression of a neoplasm or tumor.
  • the device comprises a housing having a proximal end and a distal end; a wand having a proximal end and a distal end, wherein the proximal end of the wand adjoins the distal end of the housing; a camera with a lens; a light source; a control board having transmitter functions for wirelessly communicating with at least one external receiver; and a power source, wherein the control board and power source are enclosed by the housing and the camera with a lens and the light source are located at or proximate to the distal end of the wand.
  • the wireless viewing device is insertable into a cannula.
  • a wireless viewing device as embodied by the present application has an advantage for the practitioner and the subject in that it can be provided sterile as a single use and disposable device, without the need to be physically attached to monitoring or viewing equipment, thereby eliminating the possibility of transmitting infectious agents between subjects, which is a risk with reusable instruments that must be sterilized between uses.
  • the wireless viewing device can be used with a variety of devices that traverse an entry portal into the body of a subject for observation of a target tissue. Such devices that traverse an entry portal include, but are not limited to, a cannula , anoscope, port or any other suitable tubular entry device.
  • both the wireless viewing device and the device that traverses an entry portal are single use and disposable, further enhancing the elimination of the possibility of transmitting infectious agents between subjects.
  • the wireless viewing device described herein is completely self-contained within the singular housing and wand.
  • the present device eliminates the need for connectors or attachments such as external pods comprising additional power sources, light sources, transmitters & receivers or imaging equipment. This elimination of the need for additional components simplifies the use for the practitioner, as well as enhances the sterility of the device.
  • a wireless viewing device of the present application is lightweight, compact and can be manipulated with a single hand.
  • the weight of the device is less than about one pound, allowing the device to be easily carried within a pocket, backpack, satchel or case. In some embodiments, the device weighs less than about 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4 or 3 ounces.
  • the housing of the wireless viewing device can be generally rectangular or oval in shape.
  • the housing can also serve as a grip or handle for the device. All on-board components of the device are housed within a single housing, or within the housing and the wand. In general, the housing of the device can be easily held within the palm of one hand and manipulated by that one hand.
  • the overall dimensions of the housing (with the longest dimension being measured from the distal end to the proximal end of the housing) are less than about 7 inches in length, 2 inches in width and 2 inches in thickness (7x2x2). In further embodiments, the overall dimensions of the housing are less than about 6x2x1. In still further embodiments, the overall dimensions of the housing are less than about 5x1.5x1. In even further embodiments, the overall dimensions of the housing are less than about 5x1.5x0.5.
  • the outer surface of the housing may be textured, grooved, indented or shaped to facilitate gripping by a hand or by another device.
  • the cannula of the wireless viewing device is attached at its proximal end to the distal end of the housing.
  • the wand can be either permanently attached to the distal end, or may be detachable/replaceable by any suitable means including, but not limited to, a luer- lock type system, cam lock, snap-fit or threaded to screw into or onto the distal end of the housing.
  • the wand can be opaque, translucent or transparent.
  • the wand can be flexible or rigid.
  • the wand is made of polycarbonate.
  • a wand of the present device is about 12 inches in length. In some embodiments, a wand of the present device is about 11, 10, 9, 8, 7, 6, 5, 4, 3 or 2 inches in length.
  • one or more detachable wands may be supplied with a housing as part of a kit.
  • Each wand supplied with the housing may be designed or suited for a particular need for the examination and/or treatment of a subject.
  • the practitioner can select a wand that is best suited for use with the immediate treatment/examination need of the subject.
  • the wands can be interchanged during the treatment of that subject based upon changing needs by the practitioner for the treatment/examination of that subject.
  • the wireless viewing device can be supplied as a single-use, disposable device that is pre-sterilized and sealed within packaging that keeps the device sterile until opened.
  • the device can be supplied as part of a kit that includes additional instruments useful with the device such as, but not limited to, scalpel, elevator, dilator, bandages, tape, needles and sutures.
  • the wireless viewing device can be used in a clinical setting.
  • the clinical setting can be a hospital, emergency clinic, outpatient clinic, or office, for example.
  • the device can also be used outside the clinical setting, such as, but not limited to, in an emergency situation.
  • the device of the present application can be used by various practitioners including, but not limited to, a physician, surgeon, nurse, nurse practitioner, first responder, paramedic, emergency medical technician, medic, corpsman, technician or caregiver.
  • FIG. 3 illustrates an exemplary wireless viewing device 300 of the present application.
  • the wireless viewing device comprises a housing 310 that also serves as a handle for the device and a wand 320, the proximal end of which is attached to the distal end of the housing 310.
  • the device can be handheld.
  • the housing is formed in a shape to facilitate gripping with a single hand.
  • the device can be directly controlled such as, but not limited to, manual control. In other embodiments, the device can be remotely controlled. In some
  • the device can be held by another device.
  • the device could be attached to, held, by, inserted into or under the control of a robotic device or tool.
  • a light source 312 is contained within the housing 310.
  • the light source 312 is an LED light source.
  • the light source 312 shines through an opening in the distal end of the housing that is contiguous with the central lumen of the wand 320 to provide illumination for the camera 324.
  • the light source 312 illuminates a fiber optic 326 that extends into the wand 320.
  • the light source 312 is located at the distal end of the wand 320.
  • the housing 310 further contains an internal control board having transmitter functions 314 that is capable of, for example, sending video images obtained by the wireless viewing device 300 to least one external receiver.
  • the device comprises an information display provided in the housing 310 to display frequency information of a transmission frequency of the wireless transmitter.
  • the internal control board has receiver functions, such that functions of the wireless viewing device can be controlled remotely.
  • functions that could be controlled remotely include, but are not limited to, camera focus, camera optical zoom, camera digital zoom, camera field of view, camera angle, camera rotation, light on/off, and light intensity.
  • the internal control board having transmitter functions 314 for wirelessly communicating and the at least one external receiver communicate via radio frequency communication signals (e.g., FM radio signal).
  • communication is via microwave or infrared (IR) communication signals from the wireless sensor.
  • communication is via short-wavelength radio transmissions, for example in the ISM band from 2400-2480 MHz (IEEE 802.15.1, or Bluetooth).
  • communication is via near-field communication (NFC) signals between the internal control board having transmitter and receiver functions for wirelessly communicating and the at least one external receiver and transmitter.
  • the external receiver is interfaced with a computer terminal or video monitor.
  • the computer terminal is a notebook computer.
  • the external receiver is a tablet or smart phone.
  • the tablet or smart phone comprises an application (app) that communicates with the wireless viewing device 300.
  • the app that communicates with the wireless viewing device 300 is a dedicated app.
  • the wireless viewing device 300 is provided with a unique identifier that can be entered into/associated with the app for dedicated communication between an individual wireless viewing device 300 and the app.
  • the app is capable of recording the transmission from the wireless viewing device as a video or individual pictures/screen captures.
  • the recordings can be saved into an archive, such as a medical record of the subject.
  • the app is capable of remotely controlling functions of the wireless viewing device. For example, functions that could be controlled remotely include, but are not limited to, camera focus, camera optical zoom, camera digital zoom, camera field of view, camera angle, camera rotation, light on/off, and light intensity.
  • the housing 310 further comprises a video display showing real time images from a camera 324 of the device.
  • the wireless viewing device 300 comprises non-volatile memory for storing images or information from a performed procedure, wherein said images or information can be retrieved from the device.
  • the non-volatile memory is an RFID tag.
  • the non-volatile memory is a micro-SD card.
  • the housing further comprises a power source 316.
  • the power source 316 is a battery.
  • the battery is a lithium battery.
  • the power source 316 is installed within the wireless viewing device 300 upon manufacture, or prior to provision to a practitioner. In other embodiments, the power source 316 is provided separately from the wireless viewing device 300 and installed into the wireless viewing device 300 prior to the use of the wireless viewing device 300 in a procedure. In some embodiments, the power source 316 is removable from the wireless viewing device 300 for separate disposal.
  • the power source 316 for the wireless viewing device 300 comprises a power receiver for a radio-frequency (RF)-based power system.
  • the power receiver for an RF-based power system receives energy waveforms from a transmitter and converts the RF-based energy to DC current.
  • the power receiver comprises at least one power antenna for collecting RF-based energy waveforms from a transmitter.
  • the receiver comprises multiple power antennas for collecting RF-based energy waveforms from a power transmitter.
  • the power receiver comprises paired power antennas for collecting RF-based energy waveforms from a power transmitter. In other still further embodiments, the power receiver comprises at least one power antenna array for collecting RF-based energy waveforms from a power transmitter. In some embodiments, the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 30 feet away from the wireless viewing device 300. In other embodiments, the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 15 feet away from the wireless viewing device 300. In still other
  • the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 10 feet away from the wireless viewing device 300. In yet other embodiments, the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 5 feet away from the wireless viewing device 300.
  • a power source 316 that comprises a power receiver for an RF-based power system further comprises a battery for storing energy received through and converted by the power receiver. In some embodiments, the battery is a rechargeable battery.
  • the wireless viewing device 300 comprises a wand 320 that is extendable through an entry portal to a target location in a subject.
  • the wand 320 comprises a proximal end 321 and a distal end 322, wherein the proximal end 321 of the wand 320 is attached to the distal end of the housing 310.
  • the wand 320 is flexible.
  • the wand 320 is rigid.
  • the wand 320 is composed of a clear material.
  • the clear material is polycarbonate.
  • the wand 320 is marked with gradations showing how far the wand 320 had been inserted through an entry portal.
  • the wand 320 is solid. In other embodiments, the wand 320 is tubular with a hollow central lumen. In still other embodiments, the wand 320 is solid, save for channels between the proximal 321 and distal 322 ends of the wand 320 for wiring or optical fibers. In some further embodiments, the wand 320 is solid. In other embodiments, the wand 320 is tubular with a hollow central lumen. In still other embodiments, the wand 320 is solid, save for channels between the proximal 321 and distal 322 ends of the wand 320 for wiring or optical fibers. In some further, the wand 320 is solid. In other embodiments, the wand 320 is tubular with a hollow central lumen. In still other embodiments, the wand 320 is solid, save for channels between the proximal 321 and distal 322 ends of the wand 320 for wiring or optical fibers. In some further embodiments, the wand 320 is
  • the channels are internal within the wand 320. In other embodiments, the channels are indents in an external surface of the wand 320. [0122] In some embodiments, at least one surface of the wand 320 is flattened. In other embodiments, the body of the wand 320 is generally rounded, circular, oval or elliptical. In some embodiments, the distal end 322 of the wand 320 is angled between 20 and 70 degrees. In further embodiments, the distal end 322 of the wand 320 is angled between 30 and 60 degrees.
  • the distal end 322 of the wand 320 is angled about 30 degrees further embodiments, the distal end 322 of the wand 320 is angled between 30 and 60 degrees. In other particular embodiments, the distal end 322 of the wand 320 is angled about 45 degrees. In certain embodiments, the distal end 322 comprises a leading edge that is turned upwards, allowing the wand 320 to separate and form a passage from the entry portal through/between/under/over body tissues to and/or past a target tissue.
  • the edge can be flattened.
  • the wand 320 further comprises a camera 324 affixed at its distal end 322.
  • the camera 324 has a resolution of at least 100 x 100 pixels.
  • the camera 324 has a resolution of at least 150 x 150 pixels.
  • the camera 324 has a resolution of at least 200 x 200 pixels.
  • the camera 324 has a resolution of at least 250 x 250 pixels.
  • the camera 324 is a NANEYE camera.
  • the camera 324 is connected to the internal control board having transmitter functions 314 by wire.
  • the camera can be rotated, optically zoomed, digitally zoomed and focused either by controls on the wireless viewing device or remotely, such as by an app on a computer, smart phone or tablet.
  • the light source 312 is located at the distal end 322 of the wand 320 along with the camera 324.
  • the wand 320 has a clear covering over the camera 324 and/or light source 312 at the distal end 322 of the wand 320.
  • the clear covering is polycarbonate.
  • the clear cover has magnifying properties.
  • the camera 324 is located within the housing and comprises an optical fiber component that extends into the wand 320.
  • the housing 310 fits in the palm of a hand. In some embodiments, manipulation of the entire wireless viewing device 300 can be done with a single hand.
  • the camera 324 remains in a fixed position within the housing 310.
  • the camera 324 comprises an image transmitting optical fiber, which is attached at its proximal end to the camera 324, with the distal end of the image transmitting optical fiber being located in the proximity of the distal end 322 of the wand 320, such that from the fixed position of the image transmitting optical fiber the camera 324 can observe and image tissues through the distal end 322 of the wand 320.
  • the light source 312 also remains in a fixed position within the housing 310.
  • the light source 312 comprises a light transmitting optical fiber, which is attached at its proximal end to the light source 312, with the distal end of the light transmitting optical fiber being located in the proximity of the distal end 322 of the wand 320, such that from the fixed position of the light transmitting optical fiber the light source 312 can illuminate tissues through the distal end 322 of the wand 320.
  • Yet another aspect of the present application relates to a reusable wireless viewing device for observation of bodily tissues, wherein the main components are reusable and can be affixed to a disposable cannula.
  • the main components of the wireless viewing device comprise a housing having a proximal end and a distal end; wherein the distal end is adapted to affix to the proximal end of the disposable cannula.
  • Enclosed within the housing are a circuit board with a processor, a transmitter for wirelessly communicating with at least one external receiver; and a power source.
  • the main components of the wireless viewing device further comprise a camera with a lens and a light source wired to the circuit board, wherein the wires protrude through an opening at the distal end of the housing such that the wires, camera and light source are completely enclosed by the disposable cannula when the cannula is affixed to the housing, with the camera and light source being located at or proximal to the distal end of the affixed cannula.
  • the reusable wireless viewing device of this disclosure can be used on any target tissue, bone, joint or target area of the body of a subject as set forth above.
  • the wireless viewing device of this embodiment can be used for minimally-invasive observation of an internal bodily target location.
  • the wireless viewing device can be used, for example, for pre-treatment, or pre-operative, observation or diagnosis; post-treatment, or post-operative, observation or follow-up; or general observation of a target location in need thereof without further treatment or operative intervention.
  • the wireless viewing device of this embodiment can be used for monitoring of the progress or regression of a condition or target tissue, such as a surgical repair of a target tissue or the growth/regression of a neoplasm or tumor.
  • a condition or target tissue such as a surgical repair of a target tissue or the growth/regression of a neoplasm or tumor.
  • the device does not need to be physically attached to monitoring or viewing equipment.
  • the monitoring or viewing equipment can be any suitable platform including, but not limited to mainframe computer, desktop computer, laptop computer, tablet or smartphone.
  • the device transmits signal to the monitoring or viewing equipment via an app.
  • the wireless communication is encrypted.
  • the reusable wireless viewing device can be used independently or with a variety of devices that traverse an entry portal into the body of a subject for observation of a target tissue.
  • Such devices that traverse an entry portal include, but are not limited to, a cannula , anoscope, port or any other suitable tubular entry device.
  • the reusable viewing device described herein is completely self-contained within the singular housing and disposable cannula.
  • the present device eliminates the need for connectors or attachments such as external pods comprising additional power sources, light sources, transmitters & receivers or imaging equipment. This elimination of the need for additional components simplifies the use for the practitioner, as well as enhances the sterility of the device.
  • a reusable wireless viewing device of the present application is lightweight, compact and can be manipulated with a single hand.
  • the weight of the device is less than about one pound, allowing the device to be easily carried within a pocket, backpack, satchel or case. In some embodiments, the device weighs less than about 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4 or 3 ounces.
  • the housing of the reusable wireless viewing device can be generally rectangular or oval in shape.
  • the housing can also serve as a grip or handle for the device.
  • the housing of the device can be easily held within the palm of one hand and manipulated by that one hand.
  • the overall dimensions of the housing (with the longest dimension being measured from the distal end to the proximal end of the housing) are less than about 7 inches in length, 2 inches in width and 2 inches in thickness (7x2x2). In further embodiments, the overall dimensions of the housing are less than about 6x2x1. In still further embodiments, the overall dimensions of the housing are less than about 5x1.5x1. In even further embodiments, the overall dimensions of the housing are less than about 5x1.5x0.5.
  • the outer surface of the housing may be textured, grooved, indented or shaped to facilitate gripping by a hand or by another device.
  • the disposable cannula of the reusable wireless viewing device is attached at its proximal end to the distal end of the housing.
  • the disposable cannula may be
  • the wand can be opaque, translucent or transparent.
  • the wand can be flexible or rigid.
  • the wand is made of polycarbonate.
  • a wand of the present device is about 12 inches in length. In some embodiments, a wand of the present device is about 11, 10, 9, 8, 7, 6, 5, 4, 3 or 2 inches in length.
  • one or more disposable cannulas may be supplied with a housing as part of a kit.
  • Each cannula supplied with the housing may be designed or suited for a particular need for the examination and/or treatment of a subject.
  • the practitioner can select a cannula that is best suited for use with the immediate treatment/examination need of the subject.
  • the cannulas can be interchanged during the treatment of that subject based upon changing needs by the practitioner for the treatment/examination of that subject.
  • the housing can be enclosed in a disposable sheath, wrap or other covering.
  • the device can be supplied as part of a kit that includes additional instruments useful with the device such as, but not limited to, scalpel, elevator, dilator, bandages, tape, needles and sutures.
  • the reusable wireless viewing device can be used in a clinical setting.
  • the clinical setting can be a hospital, emergency clinic, outpatient clinic, or office, for example.
  • the device can also be used outside the clinical setting, such as, but not limited to, in an emergency situation.
  • the device of the present application can be used by various practitioners including, but not limited to, a physician, surgeon, nurse, nurse practitioner, first responder, paramedic, emergency medical technician, medic, corpsman, therapist, trainer, technician or caregiver.
  • FIG. 4 illustrates an exemplary reusable wireless viewing device 400 of the present application.
  • the wireless viewing device comprises a housing 410 that also serves as a handle for the device and a disposable cannula 430, the proximal end of which is attached to the distal end of the housing 410.
  • the device can be handheld.
  • the housing is formed in a shape to facilitate gripping with a single hand.
  • the device can be directly controlled such as, but not limited to, manual control.
  • the device can be remotely controlled.
  • the device can be held by another device.
  • the device could be attached to, held, by, inserted into or under the control of a robotic device or tool.
  • the housing 410 further contains an internal circuit board 412 having a processor 414 resident thereon.
  • the circuit board 412 is interfaced with a wireless transmitter 416 that is capable of, for example, sending video images obtained by the wireless viewing device 400 to least one external receiver.
  • the device comprises an information display provided on the housing 410 to display frequency information of a transmission frequency of the wireless transmitter.
  • the wireless transmitter 416 also has receiver functions, such that functions of the wireless viewing device 400 can be controlled remotely.
  • functions that could be controlled remotely include, but are not limited to, camera focus, camera optical zoom, camera digital zoom, camera field of view, camera angle, camera rotation, light on/off, and light intensity.
  • the wireless transmitter 416 is a microchip transmitter.
  • the wireless transmitter 416 and the at least one external receiver communicate via wireless local area networking based on the IEEE 802.11 standards (WiFi).
  • communication is via short-wavelength radio transmissions, for example in the ISM band from 2400-2480 MHz (IEEE 802.15.1, or Bluetooth).
  • communication is via radio frequency communication signals (e.g, FM radio signal).
  • communication is via microwave or infrared (IR) communication signals from the wireless sensor.
  • communication is via near-field communication (NFC) signals between the internal control board having transmitter and receiver functions for wirelessly communicating and the at least one external receiver and transmitter.
  • NFC near-field communication
  • the wireless transmitter may utilize satellite communication.
  • the wireless transmitter utilizes wireless sensor networks such as ZigBee, EnOcean, TransferJet, Ultra-wideband; or short-range point-to-point communication such as radio frequency identification (RFID).
  • RFID radio frequency identification
  • communication is via digital communication. In other embodiments, communication is via analog communication.
  • the external receiver is interfaced with a computer terminal or video monitor.
  • the computer terminal is a notebook computer.
  • the external receiver is a tablet or smart phone.
  • the computer, tablet or smart phone comprises an application (app) that communicates with the wireless viewing device 400.
  • the app that communicates with the wireless viewing device 400 is a dedicated app.
  • the wireless viewing device 400 is provided with a unique identifier that can be entered into/associated with the app for dedicated communication between an individual wireless viewing device 400 and the app.
  • the app is capable of recording the transmission from the wireless viewing device as a video or individual pictures/screen captures.
  • the recordings can be saved into an archive, such as a medical record of the subject.
  • the app is capable of remotely controlling functions of the wireless viewing device.
  • functions that could be controlled remotely include, but are not limited to, camera focus, camera optical zoom, camera digital zoom, camera field of view, camera angle, camera rotation, light on/off, and light intensity.
  • the housing 410 further comprises a video display showing real time images from a camera 424 of the device.
  • the wireless viewing device 400 comprises a port or slot 417 for the insertion of a memory device for storing images or information from a performed procedure, wherein said images or information can be retrieved from the device.
  • the memory device is an SD card, a micro-SD card, or a USB device, such as a flash drive.
  • the housing further comprises a power source 418.
  • the power source 418 is a battery.
  • the battery is rechargeable.
  • the battery is a lithium battery.
  • the power source 418 is installed within the wireless viewing device 400 upon manufacture, or prior to provision to a practitioner. In other embodiments, the power source 418 is provided separately from the wireless viewing device 400 and installed into the wireless viewing device 400 prior to the use of the wireless viewing device 400 in a procedure. In some embodiments, the power source 418 is removable from the wireless viewing device 400 for separate disposal.
  • the power source 418 for the wireless viewing device 400 comprises a power receiver for a radio-frequency (RF)-based power system.
  • the power receiver for an RF-based power system receives energy waveforms from a transmitter and converts the RF-based energy to DC current.
  • the power receiver comprises at least one power antenna for collecting RF-based energy waveforms from a transmitter.
  • the receiver comprises multiple power antennas for collecting RF-based energy waveforms from a power transmitter.
  • the power receiver comprises paired power antennas for collecting RF-based energy waveforms from a power transmitter. In other still further embodiments, the power receiver comprises at least one power antenna array for collecting RF-based energy waveforms from a power transmitter. In some embodiments, the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 30 feet away from the wireless viewing device 400. In other embodiments, the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 15 feet away from the wireless viewing device 400. In still other
  • the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 10 feet away from the wireless viewing device 400. In yet other embodiments, the power receiver is configured to receive and convert energy waveforms from a power transmitter located at least 5 feet away from the wireless viewing device 400.
  • a power source 418 that comprises a power receiver for an RF-based power system further comprises a battery for storing energy received through and converted by the power receiver.
  • the wireless viewing device 400 comprises wires 422, the proximal end of which attach to the circuit board 412 within the housing 410 of the device.
  • the distal end of the wires 422 extend through an opening in the distal end of the housing 410, which is completely encircled by the proximal end 431 of the cannula 430 when the cannula 430 is attached to the housing 410 such that the entire device is sealed against fluid entry.
  • the distal end of the wires 422 are attached to a camera 424 and a light source 426 for illumination of the camera’s 424 viewing area.
  • the camera 424 has a resolution of at least 100 x 100 pixels.
  • the camera 424 has a resolution of at least 150 x 150 pixels. In a still further embodiment, the camera 424 has a resolution of at least 200 x 200 pixels. In an even further embodiment, the camera 424 has a resolution of at least 250 x 250 pixels. In some embodiments, the camera 424 is a NANEYE camera. In some embodiments, the camera 424 is high definition. In some embodiments, the camera 424 can be rotated, optically zoomed, digitally zoomed and focused either by controls on the wireless viewing device or remotely, such as by an app on a computer, smart phone or tablet. In some embodiments, the camera 424 is angled between 20 and 70 degrees. In some embodiments, the camera 424 is angled between 30 and 60 degrees.
  • the camera 424 is angled about 30 degrees. In other particular embodiments, the camera 424 is angled about 45 degrees. In some embodiments, the camera 424 is a panoramic, wide angle or 360° camera.
  • the light source 426 is an LED light source. In some embodiments, the LED light source is located within the housing and the illumination is carried to the proximity of the distal end 432 of the cannula 430.
  • the disposable cannula 430 comprises a proximal end 431 and a distal end 432, wherein the proximal end 431 of the wand 430 is attached to the distal end of the housing 410.
  • the cannula 430 is flexible. In other embodiments, the cannula 430 is rigid.
  • the cannula 430 is composed of a clear material. In further embodiments, the clear material is polycarbonate.
  • the cannula 430 is marked with gradations showing how far the cannula 430 had been inserted through an entry portal.
  • At least one surface of the cannula 430 is flattened.
  • the body of the cannula 430 is generally rounded, circular, oval or elliptical.
  • the distal end 432 of the cannula 430 is angled between 20 and 70 degrees. In further embodiments, the distal end 432 of the cannula 430 is angled between 30 and 60 degrees. In some particular embodiments, the distal end 432 of the cannula 430 is angled about 30 degrees. In other particular embodiments, the distal end 432 of the cannula 430 is angled about 45 degrees.
  • the distal end 432 comprises a leading edge that is turned upwards, allowing the cannula 430 to separate and form a passage from the entry portal through/between/under/over body tissues to and/or past a target tissue.
  • the edge can be flattened.
  • the cannula 430 has a clear covering over the camera 424 and/or light source 426 at the distal end 432 of the cannula 430.
  • the clear covering is polycarbonate.
  • the clear cover has magnifying properties.
  • the camera 424 is located within the housing and comprises an optical fiber and lens component that extends into the cannula 430.
  • the housing 410 fits in the palm of a hand. In some embodiments, manipulation of the entire wireless viewing device 400 can be done with a single hand.
  • FIG. 5A depicts a top view an embodiment of a viewing device of the present application wherein the cannula 510 and housing/hand grip 520 are joined as a single unit.
  • the housing 520 has a width 522 of between about 20 mm and 40 mm.
  • the housing 520 has a width 522 of between about 25 mm and 35 mm. In particular embodiments, the housing 520 has a width 522 of about 30 mm. In some embodiments, the housing 520 has a length 526 of about 80 mm to about 150 mm. In some embodiments, the housing 520 has a length 526 of about 80 mm to about 120 mm. In some embodiments, the housing 520 has a length 526 of about 90 mm to about 110 mm. In particular embodiments, the housing 520 has a length 526 of about 100 mm.
  • the cannula 510 has a length 512 of between about 50 mm and about 250 mm. In some embodiments, the cannula 510 has a length 512 of between about 80 mm and about 200 mm. In some embodiments, the cannula 510 has a length 512 of between about 100 mm and about 180 mm. In particular
  • the cannula 510 has a length 512 of about 140 mm. In other embodiments, dependent upon the intended use or target tissue, the cannula 510 has a length 512 of about 50, 60, 70, 80, 90, 100, 110, 120, 130, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, or 250 mm.
  • the cannula 510 is made of a polymer material. In some further embodiments, the polymer material is clear, such as polycarbonate. In other embodiments, the cannula 510 is made of an alloy material. In some embodiments, the cannula 510 is made of stainless steel. [0160] FIG. 5B depicts a side view of the embodiment of FIG. 5A. In some embodiments, the housing 520 has a height 524 of between about 10 mm and 30 mm. In other embodiments, the housing 520 has a height 524 of between about 15 mm and 25 mm.
  • the housing 520 has a height 524 of about 20 mm.
  • the cannula 510 has a diameter 514 of between about 2 mm and about 10 mm. In some embodiments, the cannula 510 has a diameter 514 of between about 2 mm and about 6 mm. In some embodiments, the cannula 510 has a diameter 514 of between about 3 mm and about 5 mm. In particular embodiments, the cannula 510 has a diameter 514 of about 4 mm.
  • FIG. 5C shows a perspective view of the embodiment in FIG. 5 A.
  • FIG. 5D is an expanded view of the area marked“A” in FIG. 5C.
  • the housing 520 comprises a switch 530 for controlling the light source, such as an LED, of the device.
  • the switch 530 is on a proximal surface of the housing 520. In other embodiments, the switch 530 is on a top, bottom or side surface of the housing 520. In some embodiments, the switch 530 controls on/off function of the light source. In some embodiments, the switch 530 controls the brightness or intensity of the light source. In particular embodiments, the switch 530 controls both on/off function and the brightness or intensity of the light source. In some embodiments, the switch 530 is a slider, as depicted. In other embodiments, the switch 530 is a rocker switch or a thumbwheel.
  • the housing 520 further comprises a port 540 for the attachment of a data or controller cable.
  • the port 540 is on a proximal surface of the housing 520.
  • the port 540 is on a top, bottom or side surface of the housing 520.
  • the port 540 accommodates a micro-USB connector.
  • the port 540 accommodates a mini-USB, USB-C or lightning connector.
  • the housing 520 comprises a slot for the insertion of a memory device selected from the group consisting of an SD card, a micro-SD card, a USB device and a flash drive.
  • the slot is in addition to the port 540.
  • the slot takes the place of the port 540.
  • FIG. 6A depicted is an embodiment of the viewing device having a detachable cannula 610.
  • dimensions of the device depicted in FIGS. 6A-6D are similar to the dimensions described in FIGS. 5A-5D.
  • the detachable cannula 610 can be replaced with different detachable cannulas 610 of differing lengths, diameters or shapes dependent upon the application while still using a common housing/hand grip 620 component. Additionally, a detachable cannula 610 allows for having a disposable cannula 610 in use with a durable housing 620 that can be sterilized between uses.
  • the detachable cannula 610 comprises a coupling 616 for attaching the catheter 610 to the distal end of the housing 620.
  • the coupling 616 can be of any suitable type for securing the cannula 610 to the housing 620 including, but not limited to, bayonet, snap, tongue and groove, screw-in, luer lock, and slip.
  • the distal end of the cannula 610 provides a field of view 630 for the optical sensor or camera of between about 90 degrees and 180 degrees.
  • the field of view 630 is between about 90 degrees and 150 degrees.
  • the field of view 630 is between about 100 degrees and 140 degrees.
  • the field of view 630 is between about 110 degrees and 130 degrees.
  • the field of view is about 120 degrees.
  • the field of view is about 90, 100, 110, 130, 140, 150, 160, 170, or 180 degrees.
  • FIG. 6B shows that, in some embodiments, the distal end is angled 618 back between about 15 degrees and about 45 degrees. In some embodiments, the angle 618 is between about 20 degrees and about 40 degrees. In some embodiments, the angle 618 is between about 25 degrees and about 35 degrees. In some embodiments, the angle 618 is about 30 degrees.
  • FIG. 7 shows another embodiment 700 of the wireless viewing device of the present application.
  • kits for wireless observation of a target tissue within the body of a subject in need thereof comprises the reusable wireless viewing device of the present application.
  • the instrument kit comprises additional components and implements useful for wireless observation of a target tissue within the body of a subject in need thereof.
  • the instrument kit comprises a cannula.
  • the distal end of the cannula is angled upwards.
  • the distal end of the cannula comprises an edge for separating tissues.
  • the cannula is composed of a clear material, such as polycarbonate.
  • the cannula comprises at least one wing, flange or handle at or near the proximal end.
  • the instrument kit further includes a scalpel.
  • the instrument kit further includes at least one retractor for holding open an entry portal.
  • the instrument kit further includes suture material and or at least one bandage.
  • the instrument kit comprises a power source for the wireless viewing device of the present application.
  • the power source is a battery.
  • Another aspect of the present application relates to a method for uniportal endoscopic observation of a target tissue using the reusable wireless viewing device of the present application.
  • Uniportal endoscopic observation allows the practitioner to visualize a target tissue and its surrounding tissues as well.
  • a practitioner may perform a surgical procedure through the same entry portal before or after the observation.
  • the entry portal may be a natural opening, while in other instances the entry portal is an incision.
  • the incision is less than or equal to about 2 cm in length.
  • the incision is less than or equal to about 1.5 cm in length.
  • the incision is less than or equal to about 1 cm in length.
  • the single small incision allows the patient to recover more quickly and begin therapy and/or resume normal activity as tolerated sooner.
  • Uniportal endoscopic surgical procedures which can be performed using the same entry portal as the reusable wireless viewing device described herein can include a number of different surgical procedures including, but not limited to, carpal tunnel release, Guy on's canal (or canal) release, cubital tunnel release, plantar fascia release, lateral release for patella realignment, release of radial tunnel, release of pronator teres, release of trigger finger, release of lacertus fibrosus, release of the extensor tendons for lateral epicondylitis, release of medial epicondylitis, release of the posterior and other compartments of the leg, forearm fascia release for fascial compartment syndrome, release of fascial compartments in the upper or lower extremities, relieving the compression of a nerve by a ligament pulley or tunnel, releasing the travel of a ligament through a ligament pulley or tunnel, surgical procedures on the spine, such as endoscopic discectomy for the treatment of degenerative disc disease, herniated discs, bulging discs, pinched nerve
  • One embodiment of the present application relates to a method for a performing a uniportal endoscopic observation of a target tissue in a subject.
  • the procedure requires the establishment of an entry portal.
  • the entry portal is established to the proximate side of the target tissue.
  • the entry portal is established to the distal side of the target tissue.
  • the establishing an entry portal comprises making an incision.
  • the distal end of the cannula portion of the device is inserted through the portal to establish an opening in the underlying tissue between the portal and the target tissue.
  • the distal end of the cannula portion of the device comprises a front edge for separating tissues.
  • the camera is used to view the target tissue and the surrounding tissues.
  • the method comprises the steps of establishing an entry portal having access to the target site; inserting the distal end of a disposable cannula of a reusable wireless viewing device through the entry portal, wherein the device comprises a durable housing having a proximal end and a distal end; a circuit board having a processor, a transmitter for wirelessly communicating with at least one external receiver, and a power source, wherein the circuit board, transmitter, and power source are enclosed within the housing; wherein wires connected at their proximal ends to the circuit boards extend out through a distal opening in the housing, connecting at their distal ends to a camera or a light source.
  • the device further comprises a disposable cannula having an open proximal end and a closed distal end, wherein the proximal end of the cannula releasably attaches to the distal end of the housing; wherein the open proximal end of the cannula releasably attaches to the housing such that the camera, light source and portion of the wires outside the housing are encased within the cannula; advancing the cannula toward the target site; and imaging the target site with the camera.
  • a dissector is introduced into the entry portal to form a pathway extending across the target tendon to at least the margin of the tendon distal to the entry portal. Once the pathway is created and the dissector removed, the distal end of a disposable cannula of a reusable wireless viewing device is introduced into the same pathway.
  • the wireless viewing device is activated and the camera is used to visually inspect the condition of the tendon and then withdrawn from the pathway.
  • the cannula is removed from the housing and discarded as medical waste.
  • a clear cannula is prepared for insertion through the entry portal by introducing an obturator into the lumen of the cannula.
  • a dissector is introduced into the entry portal to form a pathway extending across the target tendon to at least the margin of the tendon distal to the entry portal. Once the pathway is created and the dissector removed, the obturator and the cannula are introduced into the same pathway. Following insertion, the obturator is withdrawn from the lumen of the cannula.
  • the wireless viewing device is activated and the distal end of the wand is inserted into the cannula.
  • the wand is then advanced distally through the cannula.
  • the camera is used to visually inspect the condition of the tendon and then withdrawn from the cannula.
  • the cannula is then withdrawn from the pathway and entry portal.
  • the operating room staff connect the receiver to a monitor and turn on a wireless endoscope.
  • the scope will link to the receiver and begin to transmit analog video data over 5.8GHz radio frequency

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Abstract

La présente invention concerne un dispositif de visualisation endoscopique sans fil réutilisable ou jetable comprenant un émetteur sans fil, qui peut être un émetteur à micropuce. Le dispositif de visualisation endoscopique sans fil réutilisable comprend également une source de lumière, qui peut être une source de lumière à DEL. L'invention concerne également un kit comprenant le dispositif sans fil. Un procédé permettant d'utiliser le dispositif chirurgical sans fil est également décrit et peut être appliqué à n'importe quel tissu cible, os cible, articulation cible ou zone cible du corps d'un sujet.
PCT/US2018/053343 2018-09-28 2018-09-28 Dispositif de visualisation sans fil et son procédé d'utilisation Ceased WO2020068105A1 (fr)

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US20080251568A1 (en) * 2007-04-13 2008-10-16 Michael Zemlok Powered surgical instrument
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