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WO2013057207A1 - Système endoscopique, système de commande et utilisation d'un système de commande pour un système endoscopique - Google Patents

Système endoscopique, système de commande et utilisation d'un système de commande pour un système endoscopique Download PDF

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Publication number
WO2013057207A1
WO2013057207A1 PCT/EP2012/070684 EP2012070684W WO2013057207A1 WO 2013057207 A1 WO2013057207 A1 WO 2013057207A1 EP 2012070684 W EP2012070684 W EP 2012070684W WO 2013057207 A1 WO2013057207 A1 WO 2013057207A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
endoscopy system
image recording
devices
endoscopic instruments
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/EP2012/070684
Other languages
German (de)
English (en)
Inventor
Fritz Pauker
Marc Henzler
Andreas KÜGLE
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.)
Digital Endoscopy GmbH
Original Assignee
Digital Endoscopy GmbH
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 Digital Endoscopy GmbH filed Critical Digital Endoscopy GmbH
Publication of WO2013057207A1 publication Critical patent/WO2013057207A1/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
    • A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
    • 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
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00045—Display arrangement
    • A61B1/0005—Display arrangement combining images e.g. side-by-side, superimposed or tiled
    • 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
    • A61B1/00147—Holding or positioning arrangements
    • 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
    • A61B1/313—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 for introducing through surgical openings, e.g. laparoscopes
    • A61B1/3132—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 for introducing through surgical openings, e.g. laparoscopes for laparoscopy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/50—Supports for surgical instruments, e.g. articulated arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/50—Supports for surgical instruments, e.g. articulated arms
    • A61B90/57—Accessory clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/50—Supports for surgical instruments, e.g. articulated arms
    • A61B90/57—Accessory clamps
    • A61B2090/571—Accessory clamps for clamping a support arm to a bed or other supports
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras

Definitions

  • the present invention relates to an endoscopy system. Moreover, the present invention relates to a control system and to a use of a control system in an endoscopy system.
  • Endoscopes are typically rod-like instruments and are for treatment in a patient's body.
  • proximal end / proximal side is used to refer to the end / side facing the attending physician.
  • distal end / distal side is used to close the end / side which points away from the attending physician - ie towards the patient.
  • Endoscopes have become an important tool in medicine for making diagnoses and interventions inside the body.
  • the so-called minimally invasive surgery has the advantage that the patient is significantly less traumatized by the smaller surgical openings.
  • the smaller the surgical opening the lower the traumatization of the patient.
  • interventions are made in part through the natural orifices of the human body (Natural Orifice Transluminal Endoscopic Surgery, hence also called "NOTES"), but these interventions sometimes increase the risk of infection.
  • Endoscopes are equipped at their front end with a lighting device and with an optical system for visually detecting the front of the cavity.
  • the optical information acquired at the front end of the endoscope is normally transmitted back to an eyepiece or an electronic camera either by means of a rod lens optic or a fiber optic through the endoscope.
  • the optical information at the front end can be imaged directly on a sensor via a lens.
  • the electrical signals are then directed backwards through the endoscope and visualized on a monitor via an image evaluation unit.
  • an information transmission by radio to the image evaluation unit is conceivable.
  • the illumination device is arranged in most cases axially to the endoscope shaft. This can be done coaxially annular or in individual bundles z.B: left and right of the lens by means of optical fibers. It would also be conceivable to have an LED at the distal end of the endoscope, wherein the power loss of the LED can represent a limiting factor here.
  • the endoscopes have at the proximal end an angled Einkoppelstecker for the light guide cable.
  • the fiber optic cable in turn is powered by an external light source (halogen lamp, xenon lamp, LED). The lighting always takes place from the perspective of the observer, and is therefore a special case in lighting technology.
  • the surgeon needs an opening during an intervention, through which he can introduce the endoscope with illumination, and an opening through which he can introduce the instruments needed for the operation.
  • the surgeon Before he can insert an instrument or an endoscope into the body, the surgeon must pierce a so-called trocar through the skin and the soft tissue of the patient for each required body opening.
  • the trocar has a slightly larger diameter than the subsequently introduced instrument. If possible, the punctures are made for cosmetic reasons through the navel and lumbar area (scars can be covered by the swimwear here).
  • the puncture of the trocar is done without vision. This means that the surgeon needs a lot of experience to avoid injuring vessels or vital organs.
  • the surgeon has only one perspective on the usual use of an endoscope. which he can slightly change by the movement of the endoscope around the puncture point.
  • the object of the present invention is to provide an improved endoscopy system.
  • the endoscopy system has a plurality of separate endoscopic instruments and an image evaluation unit.
  • the plurality of separate endoscopic instruments consist of at least two image recording devices or at least two illumination devices.
  • the at least two images Recording devices or the at least two lighting devices can be arranged at different angles and / or at different positions.
  • a plurality of endoscopes (image recording devices) and / or illumination devices can be used to give the surgeon the opportunity to simultaneously view the work area inside the body from different perspectives (at least two image capture devices) or in a perspective enhanced lighting situation (at least two lighting devices).
  • the patient's minimally invasive interventional openings must be provided for only one specific endoscopic instrument (image capture device or illumination device).
  • the respective endoscopic instrument (image recording device or illumination device) has only one function and can therefore be designed with a particularly small diameter. Therefore, although several minimally invasive surgical openings in the patient are set, but may be smaller than before. In addition, a smaller diameter of the instruments in conjunction with an intruder may obviate the need for a trocar and less traumatize the patient.
  • the plurality of separate endoscopic instruments have at least two image recording devices and at least one illumination device.
  • the plurality of separate endoscopic instruments have at least two illumination devices and at least one image recording device.
  • a particularly advantageous illumination similar to that in a photographic studio can be achieved by simultaneously illuminating a location from several positions.
  • the plurality of separate endoscopic instruments have at least two image recording devices, to each of which a lighting device is mounted.
  • the number of body apertures to be created for image acquisition and illumination can be limited to two, yet still obtain images from different perspectives simultaneously and / or illuminate one location from multiple positions simultaneously.
  • the endoscopy system has a holding device for holding the several separate endoscopic instruments, wherein the holding device can be arranged above the place of use.
  • the endoscopic instruments remain in the intended position and position without having to be manually held. This is particularly advantageous in a larger number of endoscopic instruments used because a single user can operate the multiple endoscopic instruments.
  • the endoscopy system has a wireless connection for a wireless signal transmission between the image recording device and / or illumination device to the image evaluation unit. This allows the treating person to guide the endoscopic instruments more freely.
  • the endoscopy system has a cable connection for signal transmission by cable between the image recording device and / or illumination device to the image evaluation unit.
  • the image evaluation unit has monitors in the same number as the number of image recording devices, each image recording device being assigned a monitor which displays the image taken by it.
  • Each monitor can show the treatment site from a specific perspective.
  • the distal end of a treatment instrument are viewed simultaneously from two opposite sides, with each of the two images being displayed on a separate monitor.
  • the at least two illumination devices are able to illuminate a point to be illuminated at the same time by means of illumination devices which can be positioned offset from one another in three dimensions.
  • a lighting of the same place from different distributed in three-dimensional space lighting locations is possible. At the same time, it is possible to look at different positions that differ in all three spatial dimensions. This results in a high degree of freedom in lighting.
  • the at least two image recording devices can be positioned such that they produce a composite image which is composed of at least two images which can be generated simultaneously by means of image recording locations which can be arranged offset in three dimensions.
  • Image generation from different positions / perspectives distributed in three-dimensional space is possible.
  • image pick-up locations which differ in only two spatial dimensions - such as two axially offset and radially aligned cameras on one instrument - possible, but different image pick-up locations, which differ in all three spatial dimensions, can be used simultaneously. This results in a high degree of freedom in image formation.
  • the image evaluation unit has a monitor for the image recording device (s), wherein the image evaluation unit further comprises an image processing device which can combine the image information of the image recording devices appropriately and directs the suitably combined image information to the monitor.
  • Switching allows the treating person to view images that are simultaneously produced by the various image capturing devices from different positions / perspectives.
  • the practitioner may also have an image composed of several images generated simultaneously from different positions / perspectives - e.g. a panorama picture - look at.
  • the practitioner can also look behind obstacles that are located between the image capture devices.
  • the at least two illumination devices can simultaneously generate at least two differently sized light cones and / or simultaneously emit different wavelengths. Targeted shadow avoidance at the illuminated place is achievable. The same location can be simultaneously viewed and analyzed using images of different wavelengths.
  • Fig. 1 shows an embodiment of an endoscopy system of the present invention in a side view.
  • Fig. 2 shows the endoscopy system of the embodiment in a perspective cutaway view.
  • Fig. 3 shows a further perspective view of the embodiment of the endoscopy system.
  • FIG. 4 shows a camera which can be used in the endoscopy system according to the invention.
  • Fig. 5 shows a lighting device which is applicable in the endoscopy system according to the invention.
  • the endoscopy system of the present embodiment has five endoscopic instruments 11 to 15.
  • these endoscopic instruments comprise a first camera 11, a first illumination device 12, a second camera 13, a second illumination device 14 and a third camera 15.
  • the endoscopic instruments 11 to 15 are arranged on a holding device 1, which holds the endoscopic instruments 11 to 15 at the intended angle for facilitating surgical intervention.
  • the endoscopic instruments 11 to 15 penetrate the holding device 1.
  • the holding device 1 is designed in the present embodiment as a so-called C-arm.
  • the endoscopic instruments 1 to 15 are inserted through the abdominal wall 2 so that the organ 3 to be treated can be diagnosed or treated.
  • the endoscopic instruments 1 to 15 are inserted at suitable positions through the abdominal wall 2 in such a way that, viewed in accordance with FIG. 1 are arranged from left to right in the following order: first camera 11, first illumination device 12, second camera 13, second illumination unit 14, third camera 15.
  • the second camera 13 is vertical in the present embodiment, ie. introduced at an angle of about 90 °.
  • the two lighting units 12 and 14 are inserted at an angle of about 15 ° each (+ 15 °, -15 °).
  • the light cone 120 which is radiated from the distal end of the first illumination device 12, partially overlaps with the light cone 140, which is radiated from the distal end of the second illumination unit 14, as shown in FIG. 1 is shown.
  • the second camera 13 is directed to the area which is covered by both light cones 120 and 140.
  • the second camera 11 and the third camera 15 are arranged at an angle of 30 ° (+ 30 °, -30 °), respectively.
  • the first camera 11 is aligned with a portion of the light cone 120 that is outside of the light cone 140.
  • the third camera 15 is aligned with a portion of the light cone 140 which is outside the light cone 120.
  • the cavity well illuminated by the two illumination devices 12 and 14 can thus be viewed from three different perspectives which have origins of origin spaced apart from one another within the construction space 2, ie from the first camera 11, from the second camera 13 and from the third camera 15.
  • the image information of each camera 11, 13 and 15 is supplied by radio to an image evaluation unit 20, which displays the image information obtained by the cameras 11, 13 and 15 on monitors 41, 42 and 43, see FIG. 3.
  • the image information of the first camera 11 is visible on monitor 41
  • the image information of the second camera 13 is visible on monitor 42
  • the image information of the third camera 15 is visible on monitor 43.
  • a very good lighting result is achieved by the use of the two lighting devices 12 and 14 at different positions, which is similar to a lighting situation in a photo studio.
  • a spot to be illuminated can be illuminated simultaneously by means of illumination devices 12 and 14 positioned in the abdominal space 2 offset from one another in three dimensions.
  • the three cameras 11, 13 and 15 are positionable so that they produce a composite image, which is composed of three images that can be generated simultaneously by means of image acquisition locations arranged offset in three dimensions.
  • the treatment site can be viewed from above, from left and from right (as viewed in Fig. 1).
  • the cameras 11, 13 and 15 themselves cast no shadow on the treatment site. If the surgical instrument inserted through a separate opening or part of it is positioned between the illuminator 12 and the treatment site, it would cast a shadow on the treatment site if the illuminator 14 were missing. Since the illumination device 14 also illuminates the treatment site from a different perspective, this unfavorable shadowing caused by the surgical instrument is avoided.
  • the holding device 1 is designed as a so-called C-arm.
  • Other suitable embodiments of the holding device 1 are conceivable in which a suitable support of the endoscopic instruments takes place.
  • the holding device 1 can also be omitted. Then the endoscopic instruments 11-15 are handled manually.
  • the endoscopic instruments 11-15 are arranged in series.
  • the endoscopic instruments can be arranged as required in a variety of arrangement patterns. Thus, quite different angles and perspectives can be set as in the embodiment.
  • the present invention is also applicable to a case where only a lighting device is used.
  • the endoscopy system can also have three, four or more illumination devices.
  • three cameras 11, 13 and 15 are used.
  • the present invention is also applicable to an endoscopy system that uses only two cameras. Importantly, these two cameras are arranged at different angles and / or at different positions so that viewing the location of interest through two different perspectives is possible.
  • the present invention is also applicable to an endoscopy system having four or more cameras.
  • the present invention can also be applied to an endoscopy system having at least two cameras, wherein a lighting device is attached to each of the at least two cameras. Also in this alternative, the cameras are arranged so that a consideration of the location of interest through at least two different perspectives through the at least two cameras is possible.
  • three monitors are used for image evaluation.
  • a single monitor can be used, to which the data are delivered all the instruments.
  • the image information of the cameras are then suitably combined via appropriate auxiliary equipment / interfaces and passed the appropriate combined image information to the monitor.
  • Switching allows the practitioner to view the images produced by different cameras simultaneously from different positions / perspectives.
  • the practitioner may also be an image composed of a plurality of images generated simultaneously from different positions / perspectives - such as, for example.
  • the practitioner can also look behind obstacles that are located between the cameras.
  • the image information of the cameras can be transmitted to the image evaluation unit not only by radio, but also by cable or otherwise.
  • Each of the endoscopic instruments 1 to 15 used in the endoscopy system is inserted minimally invasively into the abdomen.
  • the unrepresented (treatment tool) for the surgical procedure or the diagnosis is introduced to the light cone well illuminated by the illumination unit (units) at the point of interest.
  • the treatment, surgery, or diagnosis may well be followed from different perspectives due to the cameras located at different angles and / or at different positions.
  • the light cones 120/140 are approximately the same size.
  • the lighting units 12 and 14 may generate different sized light beams 120/140, e.g. B. with different illuminance levels, different types of light sources, etc.
  • the different lighting devices each emit light of different wavelengths.
  • the illumination devices 12 and 14 and the cameras 11, 13 and 15 can be introduced into the abdominal space 2 by means of transparent trocars.
  • the instruments 12 and 14 and 11, 13 and 15 may, for. B. be combined by means of a Einwegeinlitespitze or by means of an insertion.
  • the instruments 12 and 14 and 11, 13 and 15 may, for. B. be combined with such Einwegeinfuelspitze having a Ein slaughternharm with which a medical minimally invasive or an endoscopic instrument is connectable, and arranged at the distal end of the Ein slaughtern redesigns tip.
  • the disposable introducer tip may be formed of a solidified medium that becomes liquid at body temperature.
  • Such Einwegein1700spitze can be produced inexpensively. In addition, their handling is very simple, since it can only be plugged onto an instrument and inserted into the body by means of the instrument. The body heat at the piercing site increases the temperature of the Einwegeinfuelspitze up to a height at which changes the state of aggregation of Einwegein1700spitze from solid to liquid and melts the Einwegein1700spitze, so is liquid.
  • the solidified medium can be transparent. The surgeon is thus a very precise handling in the determination of the puncture allows. Unlike previous materials that were not transparent, the surgeon can see through the tip when inserting the disposable insertion tip.
  • the medium can be water ice. Then the Einwegein1700spitze is particularly easy and inexpensive to produce.
  • the medium can be isotonic ice. A good compatibility in the body is guaranteed. After melting the disposable introducer tip, the isotonic fluid can be absorbed by the body. A suction can be omitted.
  • the tip may have a conical shape. Such a one-way insertion tip is well suited for punctuation.
  • the tip may have a shape of an elongated cutting surface or the insertion tip body may have a cylinder taper at its distal end that the distal portion of the cylinder taper forms the tip.
  • a one-way insertion tip can be applied similarly to a cutting trocar.
  • the insertion tip body may be cylindrical or polygonal. This results in a high versatility in the application.
  • the insertion tip body can be cylindrical and have a thread to which a medical minimally invasive or an endoscopic instrument can be screwed.
  • the thread can be, for example, an internal thread into which a medical minimally invasive or endoscopic instrument can be screwed.
  • Such Einwegeincast spitze sits very safe on the instrument. Slipping out of the instrument is still prevented even after partially started melting.
  • the introducer tip body may have a sterilization insert.
  • the solidified medium can be colored.
  • different sizes (diameter) or different shapes (circular, oval, rectangular, triangular, octagonal cross-section, etc.) of EinwegeinScience may be marked by respective colorations.
  • the medium may be incorporated with a gel to increase the tensile strength. As a result, the breaking strength of the insertion tip is increased.
  • the instruments 12 and 14 and 11, 13 and 15 may be combined with such an introducer having an introducer body into which a minimally invasive medical or endoscopic instrument is insertable and an openable tip disposed at the distal end of the introducer body.
  • the openable tip When closed, the openable tip serves to create a body opening by piercing the tissue. The insertion element can then be inserted into the body.
  • the openable tip allows the instrument to penetrate after insertion into the body. This results in a simple and inexpensive insertion, which is easy to handle.
  • the openable tip may be formed of a resilient material and the openable tip adapted to be bent by a distal end of the instrument carried in the introducer body.
  • Such an elastic material may, for. As a metal or plastic.
  • the material are only compatibility with the body to be treated and sufficient elasticity, which allows the opening movement of the tip. Thus, any material satisfying the above conditions would be suitable. Bending through the distal d .h. the front end of the guided in Einticianelement redesign instrument provides for a simple opening operation. Additional facilities for opening the tip are not required.
  • the openable tip and the introducer body may be integrally formed of the elastic material. As a result, the entire insertion element is made of a material. This simplifies the manufacturing process and reduces costs.
  • the introducer may have a handle disposed at the proximal end of the introducer body. By means of the handle, the insertion element can be pulled out of the generated body opening in a simple manner.
  • the handle may be formed as a perpendicular to the proximal end portion of the Einfelelement emotionss directed flange. Since the instrument is guided in the introducer body, a flange arranged perpendicular to the introducer body is always easily actuated. When pulling out the insertion only the flange must be pressed away from the body.
  • the flange of the handle may be provided with a through hole in which the outer peripheral edge of the proximal end of the insert body is fixedly inserted. Then handle and Einscienceelement emotions are integral and sufficiently firmly connected.
  • the introducer body may have an axial slot along its entire longitudinal extent at least at the portion where an instrument is insertable. The introducer body may be bendable at the axial slot.
  • the insertion can be pushed away from the body after pulling out of the body opening on the instrument shaft and be solved by a laterally away from the instrument movement of the insertion due to the bending of the insertion at its axial slot carefully from the instrument.
  • the instrument may then remain inserted in the body opening.
  • the insertion element body may have an axial predetermined breaking point along its entire longitudinal extent at least at the portion at which an instrument can be inserted.
  • the insertion element body can be breakable at the axial predetermined breaking point. This can be solved by the instrument by the breaking point is broken.
  • Such an insertion element can be used as Einwegeinscienceelement and has a good guide on the instrument.
  • the insertion element body can be long its entire longitudinal extent has an overlap of its cylindrical peripheral wall.
  • the overlap is expandable so that the dimension of the cross-sectional area of the Eincommendedelement stresses is changed.
  • the wall of the cylinder-like introducer body is "rolled up.” Instruments of different diameters can be inserted into the introducer body and the rolled wall conforms to the diameter of the inserted instrument
  • a tube-like channel may be formed on the circumference of the introducer body along the longitudinal direction of the introducer body 16.
  • the channel is preferably located at a portion of the circumference of the introducer body opposite to the slot, predetermined breaking point or overlap Through this channel, a connection of the body space is created to the outside area.This connection can be used for gas injection (insufflation) suction through this channel possible.
  • the introducer body and the tip may be made of a so-called shape memory material.
  • the openable tip may consist of several wings articulated elastically on the introducer body. Each wing is connected at its proximal base side to the introducer body and tapers from the proximal base side to a distal end point, wherein its lateral sides extending from the proximal base side to the distal end point are in closed state in contact with the corresponding sides of the adjacent blade , Such an openable tip opens like a flower.
  • the tip, the tip area or the entire insertion element may be made of a transparent material. In contrast to non-transparent materials, the surgeon can pierce an insertion element with a transparent tip look through the top. A transparent tip thus allows an extremely accurate handling in the determination of the puncture point of the insertion.
  • the tip can be sealed in the unopened state. In this case, the side surfaces of the tip, which are moved away from each other when opening the tip, have a sealing material. The side surfaces of the tip may also have such a surface as to provide sufficient sealability of the closed tip. Thus, the tip can take over a sealing function when pulling out of the instrument.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
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  • Radiology & Medical Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Signal Processing (AREA)
  • Endoscopes (AREA)

Abstract

L'invention concerne un système endoscopique comprenant plusieurs instruments endoscopiques (11-15) distincts et une unité d'évaluation d'image (20). La pluralité d'instruments endoscopiques (11-15) distincts est constituée d'au moins deux dispositifs de prise de vue (11, 13, 15) ou d'au moins deux dispositifs d'éclairage (12, 14), lesdits au moins deux dispositifs de prise de vue (11, 13, 15) ou lesdits au moins deux dispositifs d'éclairage (12, 14) pouvant être disposés sous différents angles et/ou dans différentes positions. L'invention concerne également un système de commande et une utilisation d'un système de commande pour un système d'endoscopie.
PCT/EP2012/070684 2011-10-20 2012-10-18 Système endoscopique, système de commande et utilisation d'un système de commande pour un système endoscopique Ceased WO2013057207A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084920.3 2011-10-20
DE102011084920.3A DE102011084920B4 (de) 2011-10-20 2011-10-20 Endoskopiesystem, steuersystem und verwendung eines steuersystems bei einem endoskopiesystem

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Publication Number Publication Date
WO2013057207A1 true WO2013057207A1 (fr) 2013-04-25

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Application Number Title Priority Date Filing Date
PCT/EP2012/070684 Ceased WO2013057207A1 (fr) 2011-10-20 2012-10-18 Système endoscopique, système de commande et utilisation d'un système de commande pour un système endoscopique

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DE (1) DE102011084920B4 (fr)
WO (1) WO2013057207A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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