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WO2020004811A1 - Appareil d'insertion médical et système de détection de nerf comprenant ledit appareil d'insertion médical - Google Patents

Appareil d'insertion médical et système de détection de nerf comprenant ledit appareil d'insertion médical Download PDF

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Publication number
WO2020004811A1
WO2020004811A1 PCT/KR2019/005610 KR2019005610W WO2020004811A1 WO 2020004811 A1 WO2020004811 A1 WO 2020004811A1 KR 2019005610 W KR2019005610 W KR 2019005610W WO 2020004811 A1 WO2020004811 A1 WO 2020004811A1
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WO
WIPO (PCT)
Prior art keywords
screw
conductor member
driver
human body
connection cable
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/KR2019/005610
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English (en)
Korean (ko)
Inventor
김경태
임아름
한아름
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.)
Industry Academic Cooperation Foundation of KNU
Original Assignee
Industry Academic Cooperation Foundation of KNU
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Filing date
Publication date
Application filed by Industry Academic Cooperation Foundation of KNU filed Critical Industry Academic Cooperation Foundation of KNU
Publication of WO2020004811A1 publication Critical patent/WO2020004811A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
    • A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
    • A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8875—Screwdrivers, spanners or wrenches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/90—Guides therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4058—Detecting, measuring or recording for evaluating the nervous system for evaluating the central nervous system
    • A61B5/407—Evaluating the spinal cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00026—Conductivity or impedance, e.g. of tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0462—Apparatus with built-in sensors
    • A61B2560/0468—Built-in electrodes

Definitions

  • the present invention relates to a medical insertion device and a system including the same, and more particularly to a medical insertion device and a nerve sensing system including the same that is inserted into the human body for treatment, such as spinal diseases or dental implants.
  • Medical screws are devices that can be inserted into the human body for surgery, surgery or treatment, and may include pedicle screws inserted into the spine and implants that replace the teeth.
  • spinal fusion screw fixation
  • Patent Document 1 Korean Patent Publication No. 10-2007-0054204
  • Patent Document 2 Korean Patent Registration No. 10-1855743
  • an object of the present invention is to provide a medical insertion apparatus which can be connected to an external current generator and have a connection structure for supplying a current to a medical screw to simplify the manufacturing process and structure. have.
  • Another object of the present invention to provide a nerve sensing system comprising the medical insertion device.
  • Medical insertion apparatus includes a first conductor member disposed in the longitudinal direction, the screw is inserted into the human body; And a second conductor member electrically connected to the first conductor member of the screw and a fastening portion formed at one end of the second conductor member and connected to the connection cable, and the screw is rotated to insert the screw into the human body.
  • Driver ;
  • the fastening part may include a protruding end exposed to the outside of the driver.
  • the fastening part may have a jack shape formed on the outer wall of the driver.
  • the fastening part may be in the form of a port formed on the outer wall of the driver.
  • one end of the first conductor member may be electrically connected to the second conductor member at the upper end of the screw, and the other end of the first conductor member may contact the human body at the lower end of the screw.
  • the screw may include a coupling groove in which a female thread is formed in the head, and the driver may have a male thread corresponding to the female thread at one end thereof so that the screw and the screw thread of the driver are engaged with each other.
  • the neural sensor system includes a current supply for generating a current; A connection cable connected to the current supply unit to transfer the current; A screw including a first conductor member disposed in a longitudinal direction and inserted into the human body to transmit the current to the human body; A second conductor member electrically connected to the first conductor member of the screw and a fastening portion formed at one end of the second conductor member to connect the connection cable, and rotating the screw to insert the screw into the human body.
  • driver includes; and a monitoring unit for detecting the nerve by measuring the amount of current flowing through the human body.
  • connection cable may include a clip-shaped end
  • fastening part may include a protruding end exposed to the outside of the driver, and may be fastened with the clip-shaped end.
  • connection cable may include a kernel-type end
  • the fastening part may have a jack shape into which the kernel-type end is inserted.
  • connection cable may include a terminal type end
  • fastening part may be in the form of a port coupled with the terminal type end
  • one end of the first conductor member may be electrically connected to the second conductor member at the upper end of the screw, and the other end of the first conductor member may contact the human body at the lower end of the screw.
  • Medical insertion device is connected to the connection cable for supplying an external current of the driver having a fastening portion of the form that can be fastened, inserted, etc. is provided in a state that excludes its own current generator is easy to carry
  • the manufacturing process can be simplified and can be electrically connected to various current supplies by replacing the connection cable.
  • 1 is a neural sensor system according to an embodiment of the present invention.
  • FIG. 2 is a medical insertion device according to an embodiment of the present invention.
  • 3 to 6 show examples in which the fastening portion and the connection cable of the medical insertion apparatus of FIG. 2 are connected.
  • FIG. 7 and 8 show examples of screws of the medical insertion device of FIG. 2.
  • the medical insertion apparatus and the nerve sensing system including the same may be provided in an improved form to compensate for the shortcomings of the screws and drivers included in the conventional medical insertion apparatus, and conflict with the characteristics of the present invention. It may optionally include the characteristics of a conventional insertion device that is not.
  • a medical insertion apparatus and a nerve sensing system including the same include an electrically conductive object in the driver, and one end of the electrically conductive object is provided in various forms according to a connection portion of a cable connected to a current supply device. Since current can be supplied from an external current supply device, it is easy to manufacture a medical insertion device and has an advantage of being compatible with existing current supply devices.
  • FIG. 1 is a nerve sensing system according to an embodiment of the present invention
  • Figure 2 shows a medical insertion apparatus according to an embodiment of the present invention.
  • the neural sensor system 1 includes a medical insertion device 10, a current supply unit 11, and a monitoring unit 13 including a screw 101 and a driver 103. It includes a connection cable 105 for transmitting the current supplied from the nerve sensing device 30 and the current supply unit 11 to the medical insertion device 10 including.
  • the nerve sensing system 1 may be provided in a form in which the medical insertion device 10 and the nerve sensing device 30 are electrically connected.
  • the nerve sensing system 1 may include a current supply unit 11, a connection cable 105, a driver 103, a screw 101, and a monitoring unit 13 in a closed loop.
  • the neural sensing system 1 composed of a closed circuit may transmit current generated from the current supply unit 11 to the screw 101 and flow into the human body, and may include a ground member 8 attached to a specific part of the human body 9. Through the monitoring unit 13 can check the current amount and the change in the current amount returned.
  • the current supply unit 11 may generate a current, and transfer the generated electricity to the connection cable 105.
  • the current generated by the current supply unit 11 and transferred to the connection cable 105 may move through the second conductor member 1031 of the driver 103, and may be transmitted to the screw 101.
  • the current transmitted through the screw 101 is returned through the ground member 8, and the monitoring unit 13 may measure the returned current.
  • connection cable 105 may be connected to the current supply unit 11, and may transfer the current received from the current supply unit 11 to the screw 101.
  • the connection cable 105 may be connected to one end of the second conductor member 1031 included in the driver 103.
  • the connection cable 105 may include various types of ends, such as a clip type, a kernel type, a terminal type, and the like. The user may selectively connect the connection cable 105 having an end connectable to the driver 103 among various types of connection cables 105 connected to the current supply unit 11.
  • the shape of the ends of the connecting cable 105 will be described in detail with reference to FIGS. 3 to 6 below.
  • the monitoring unit 13 may measure the amount of current flowing out of the human body 9 through the ground member 8 and returned. In detail, when the other end of the first conductor member 1011 of the screw 101 comes into contact with nerves or muscles while the screw 101 is inserted into the human body 9, the current transmitted to the screw 101 is transmitted to the human body. (9) flows, and the amount of current detected by the monitoring unit 13 is reduced. Through this, the user may recognize that the screw 101 is in contact with the nerve or tissue.
  • the medical insertion apparatus 10 includes a screw 101 and a driver 103.
  • the medical insertion apparatus 10 supplies the current generated from the current supply unit 11 or the external current supply unit of the nerve sensing system 1 of FIG. 1 through various types of connection cables 105. I can receive it.
  • the medical insertion device 10 according to an embodiment of the present invention may be electrically connected to the nerve sensing device 30 including other impedance measuring device or an external control device.
  • Screw 101 is inserted into the human body 9 of the patient during surgery by the rotation of the driver 103.
  • Screw 101 may be a thread formed on the outer peripheral surface for insertion into the human body.
  • the screw 101 may include a head 1015, a first conductor member 1011, and a coating layer 1013.
  • Screw 101 includes a first conductor member 1011 disposed in the longitudinal direction, can be inserted into the human body to transmit a current to the human body.
  • the head 1015 may include a coupling groove in which a female thread 10151 is formed.
  • Head 1015 means a structure formed on the top of the screw 101, it can be coupled with the driver 103 through the female thread (10151) formed in the coupling groove.
  • the coupling of the head 1015 and the driver 103 may include not only the above-described screw coupling but also mechanical coupling such as insertion and hooking, but is not limited thereto.
  • the shape of the outer circumferential surface of the head 1015 is not limited, but may be provided in the form of a coupling groove formed so that the plurality of screws 101 can be connected through a fastening member that is additionally configured.
  • the first conductor member 1011 may be formed such that the other end thereof is exposed to the outside of the screw 101, and may extend from the top of the screw 101 to the bottom of the screw 101 in the longitudinal direction of the screw 101.
  • the first conductor member 1011 may be formed singly or plurally on the outer side of the screw 101.
  • the first conductor member 1011 may be attached to the outside of the screw 101.
  • the first conductor member 1011 may be inserted through the inner side of the screw 101.
  • a hole is formed in the screw 101 to include the first conductor member 1011 so that a part of one end of the first conductor member 1011 may be fitted.
  • the first conductor member 1011 is electrically connected to the second conductor member 1031 at the top of the screw 101, and the other end of the first conductor member 1011 is the human body 9 at the bottom of the screw 101. ) Can be contacted.
  • the first conductor member 1011 may serve to detect contact with tissue of the human body when the screw 101 is inserted into the human body.
  • the first conductor member 1011 may be made of a material such as platinum, gold, silver, tungsten, etc. having excellent biocompatibility and excellent electrical conductivity.
  • the coating layer 1013 may be formed on the outer circumferential surface of the screw 101 so that both ends of the first conductor member are exposed only by a predetermined length.
  • the coating layer 1013 may be formed such that one end and the other end of the first conductor member 1011 are exposed by a predetermined length, respectively.
  • the coating layer 1013 may be formed of a biocompatible material.
  • the coating layer 1013 may be provided as HA (Hydroxy Apatite) which is a main component of human bone, but is not limited thereto.
  • the coating layer 1013 may be coated on the outer circumferential surface of the screw 101 after the first conductor member 1011 is formed on the screw 101.
  • the coating layer 1013 is preferably made of a material having no electrical conductivity, and based on this property, a portion of the first conductor member 1011 may be insulated from the outside.
  • the coating layer 1013 may expose one end or the other end of the first conductor member 1011 by a predetermined length. Accordingly, the first conductor member 1011 may receive current from the second conductor member 1031 included in the driver 103 through one end thereof, and may contact the human tissue through the other uncoated end to supply current. Can be.
  • the driver 103 may include a second conductor member 1031 having electrical conductivity.
  • the second conductor member 1031 may be electrically connected to the first conductor member 1011 of the screw 101.
  • the driver 103 may include the second conductor member 1031 inside or outside.
  • the driver 103 may include a plurality of second conductor members 1031 having electrical conductivity. When a plurality of second conductor members are included, one end of each member may be provided in a different form or in the same form so as to be compatible with the connecting cable 105.
  • the driver 103 may be provided with a fastening part 10311 for coupling the connection cable 105 to one end of the second conductor member.
  • the driver 103 may receive current from the connection cable 105 and supply current to the screw 101.
  • the second conductor member 1031 of the driver 103 may be electrically connected to the connection cable 105 to receive a current.
  • the second conductor member 1031 may be electrically connected to one end of the first conductor member 1011 of the screw 101 to transmit current.
  • the driver 103 may be connected to the screw 101 to insert the screw 101 into the human body 9.
  • the driver 103 may be provided with a male thread 1033 corresponding to the female thread of the screw head 1015 at one end thereof, such that the screw 101 and the thread of the driver 103 may be engaged with each other.
  • the screw 101 may be inserted into the human body 9 as the driver 103 rotates.
  • the screw 101 can be removed from the human body 9 by rotating opposite to the insertion direction.
  • 3 to 6 show examples of a second conductor member comprising different fastenings and a corresponding connecting cable.
  • the connecting cable 105a includes a clip-shaped end, and the fastening portion 10311a of one end of the second conductor member 1031a is projected to be fastened with the connecting cable 105a having the clip-shaped end. It may be provided in the form of a shaped end and exposed to the outside of the driver 103.
  • the connecting cable 105a is provided in the form of a clip that can be fastened to the second conductor member 1031
  • one end of the second conductor member 1031 includes a protruding end provided in the form of a ring, a clip, a snare, or the like. It may be a fastening part 10311a, and the clip-type connecting cable 105a is fastened in a state where a region of the protruding end is positioned between the upper jaw and the lower jaw as shown in FIG. 3 (b) to connect with the second conductor member 1031 a.
  • the cable 105a may be electrically connected.
  • the clip-shaped connecting cable 105a has the protruding end between the upper and lower jaw.
  • the second conductor member 1031a and the connection cable 105a may be electrically connected by being fastened in a state where one region of the second region is positioned.
  • the connecting cable 105 is provided in the form of a conductor, a conductor plate, or the like to fasten the second conductor member 1031a. And may be electrically coupled to 10311.
  • an end portion in the form of a clip may be provided and formed in the fastening portion 10311 or the connecting cable 105a of the second conductor member 1031a.
  • the connecting cable 105b includes a kernel-shaped end, and the fastening portion 10311b of one end of the second conductor member 1031b is provided in the form of a jack for inserting the kernel-shaped end so that the kernel-shaped end is provided. It may be provided in the form that the connection cable 105b is formed.
  • the fastening part 10311b of the driver 103 has a jack for inserting the connecting cable 105b therein. It may be provided in the form formed on the outer wall of the driver 103, the terminal of the second conductor member 1031b and the connecting cable 105b disposed at the outer diameter of the jack when the connecting cable 105b is inserted into the fastening portion 10311b. Can be electrically connected.
  • connection cable 105 may be provided in a form including a jack for inserting the terminal.
  • the connecting cable 105c includes a terminal type end, and the fastening part 10311c of one end of the second conductor member 1031c is coupled to the connecting cable 105c having the terminal type end. It may be provided in the form of a port.
  • the fastening part 10311c of the driver 103 may have a USB port, and as shown in FIG.
  • the conductor member 1031c is disposed in the USB port so that the second conductor member 1031c and the connection cable 105c may be electrically connected when the connection cable 105c is inserted into the driver 103.
  • connection cable 105 may be provided in a form including a port for inserting the terminal.
  • connection cable 105d in the form of a LAN cable terminal when the connection cable 105d in the form of a LAN cable terminal is provided, a LAN cable port may be formed in the fastening portion (10311d) of the driver 103, Figure 6 (b) As described above, the second conductor member 1031d is disposed in the LAN cable port, and when the connection cable 105d is inserted into the driver 103, the second conductor member 1031d and the connection cable 105d may be electrically connected. .
  • connection cable 105 may be provided in a form including a port for inserting the terminal.
  • the fastening part 10311 provided in a form including a jack or a port may be disposed inside the driver 103 so that a jack or port having a hole to which a terminal is coupled may be formed outside.
  • the second conductor members 1031b to 1031d may be driven back and forth from the driver 103 to expose the region including the fastening portion 10311 to the outside or to be drawn into the inside.
  • the fastening part 10311 and the connection cable 105 formed at one end of the second conductor member 1031 may be provided in various forms that are mutually coupled and electrically connected, but are not limited thereto.
  • various types of jacks or ports may be simultaneously formed at the end of the driver 103 so that each end of the connection cable 105 connected to the current supply 11 may be selectively coupled to a compatible jack or port.
  • FIG. 7 and 8 show the screw of the medical insertion device according to an embodiment of the present invention.
  • the first conductor member 1011 may be inserted into a groove formed on the outer circumferential surface of the screw 101.
  • an uncoated layer 1012 may be formed on an outer circumferential surface thereof.
  • the uncoated layer 1012 may be a material having no electrical conductivity and low biocompatibility.
  • the coating layer 1013 may be formed to expose the other end of the first conductor member 1011 by a predetermined length.
  • the coating layer 1013 may be formed on the outer circumferential surface of the screw 101, and the coating layer 1013 may not be formed so that the other end of the first conductor member 1011 is exposed at the bottom of the screw 101.
  • the other end of the first conductor member 1011, in which the coating layer 1013 is not formed, may be inserted into the human body 9 to be in contact with nerves or tissues, and may be electrically connected to the second conductor member 1031 to be connected to the human body 9. Can supply current.
  • the coating layer 1013 may be formed in the region of the screw 101 is inserted into the human body (9). Therefore, the coating layer 1013 may not be formed on the screw 101 head 1015. Through this, when the screw 101 is inserted into the human body 9, the first conductor member 1011 and the nerve or tissue can be prevented from directly contacting, and the first conductor member ( 1011) can prevent extensive damage to nerves or tissues in contact.
  • one end of the first conductor member 1011 is exposed to the screw 101 head 1015, and may be electrically connected to the second conductor member 1031 of the driver 103 through the exposed portion. Accordingly, one end of the first conductor member 1011 exposed to the upper portion of the head 1015 may not maintain the coating layer 1013 and maintain electrical conductivity.
  • first conductor member 1011 is disposed on the screw 101 according to an embodiment of the present invention is not limited to the form shown in FIGS. 7 and 8, but penetrates the proximal portion of the screw 101 as shown in FIG. 2. It may be provided in a variety of forms, such as a form that is arranged along the thread of the screw 101. In this case, the coating layer 1013 may be coated such that the first conductor member 1011 is exposed at the lower end of the screw 101 or a part of the outer circumferential surface of the screw 101.
  • the coating layer 1013 containing an insulating material for the insulation of the first conductor member 1011 is excluded.
  • the coating layer 1013 including the biocompatible material may be selectively formed.
  • the medical insertion device 10 and the nerve sensing system 1 including the same have a connection cable for supplying a current to a driver 103 having a fastening part 10311 formed in a fastening, insertion, or the like form. It has a feature that can be combined with 105. Accordingly, the driver 103 may be provided with a simplified manufacturing process with its own current generator excluded, and may have improved compatibility electrically connected to various current supplies through the selection of the connection cable 105. Can be.
  • the medical insertion device 10 and the nerve sensing system 1 including the same may improve the biocompatibility by inserting a screw 101 coated with a biocompatible material on an outer circumferential surface thereof.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
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  • Radiology & Medical Imaging (AREA)
  • Neurosurgery (AREA)
  • Physiology (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne un appareil d'insertion médical, pouvant comprendre : une vis, qui comporte un premier élément conducteur positionné dans la direction longitudinale et qui est insérée dans un corps humain ; et un dispositif d'entraînement, qui comporte un second élément conducteur, connecté électriquement au premier élément conducteur de la vis, et une partie d'accouplement formée à une extrémité du second élément conducteur et reliée à un câble de connexion, et qui fait tourner la vis à insérer dans un corps humain.
PCT/KR2019/005610 2018-06-27 2019-05-10 Appareil d'insertion médical et système de détection de nerf comprenant ledit appareil d'insertion médical Ceased WO2020004811A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0073705 2018-06-27
KR1020180073705A KR102144041B1 (ko) 2018-06-27 2018-06-27 의료용 삽입 장치 및 이를 포함하는 신경감지 시스템

Publications (1)

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WO2020004811A1 true WO2020004811A1 (fr) 2020-01-02

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PCT/KR2019/005610 Ceased WO2020004811A1 (fr) 2018-06-27 2019-05-10 Appareil d'insertion médical et système de détection de nerf comprenant ledit appareil d'insertion médical

Country Status (2)

Country Link
KR (1) KR102144041B1 (fr)
WO (1) WO2020004811A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100003350A (ko) * 2007-02-09 2010-01-08 스케레탈 다이나믹스, 엘엘씨 엔도 서저리 장치 및 방법
US20110144702A1 (en) * 2004-04-20 2011-06-16 Spineco, Inc. Implant device
KR101056119B1 (ko) * 2011-01-14 2011-08-11 (주)비엠코리아 척추 고정 나사 및 척추 고정 장치
KR20150024240A (ko) * 2013-08-26 2015-03-06 경북대학교 산학협력단 의료용 삽입 장치
US20160038205A1 (en) * 2014-08-07 2016-02-11 Jeffrey Scott Smith Pedicle screw with electro-conductive coating or portion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010044407A (ko) * 2001-02-19 2001-06-05 권병우 워터젯을 이용한 조직 제거용 시술봉 및 이를 채용한 장치
FR2874497B1 (fr) 2004-08-25 2007-06-01 Spinevision Sa Implant comprenant une ou plusieurs electrodes et instrument de pose associe
KR101855743B1 (ko) 2016-12-13 2018-05-09 경북대학교 산학협력단 의료용 삽입 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110144702A1 (en) * 2004-04-20 2011-06-16 Spineco, Inc. Implant device
KR20100003350A (ko) * 2007-02-09 2010-01-08 스케레탈 다이나믹스, 엘엘씨 엔도 서저리 장치 및 방법
KR101056119B1 (ko) * 2011-01-14 2011-08-11 (주)비엠코리아 척추 고정 나사 및 척추 고정 장치
KR20150024240A (ko) * 2013-08-26 2015-03-06 경북대학교 산학협력단 의료용 삽입 장치
US20160038205A1 (en) * 2014-08-07 2016-02-11 Jeffrey Scott Smith Pedicle screw with electro-conductive coating or portion

Also Published As

Publication number Publication date
KR102144041B1 (ko) 2020-08-12
KR20200001133A (ko) 2020-01-06

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