WO2017190955A1 - Système d'endoscopie, endoscope et tête de caméra - Google Patents

Système d'endoscopie, endoscope et tête de caméra Download PDF

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Publication number
WO2017190955A1
WO2017190955A1 PCT/EP2017/059316 EP2017059316W WO2017190955A1 WO 2017190955 A1 WO2017190955 A1 WO 2017190955A1 EP 2017059316 W EP2017059316 W EP 2017059316W WO 2017190955 A1 WO2017190955 A1 WO 2017190955A1
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WO
WIPO (PCT)
Prior art keywords
endoscope
endoscopy system
coupling device
camera head
coil
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/EP2017/059316
Other languages
German (de)
English (en)
Inventor
Thorsten JÜRGENS
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.)
Olympus Winter and Ibe GmbH
Original Assignee
Olympus Winter and Ibe 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 Olympus Winter and Ibe GmbH filed Critical Olympus Winter and Ibe GmbH
Publication of WO2017190955A1 publication Critical patent/WO2017190955A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A61B1/00025—Operational features of endoscopes characterised by power management
    • A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
    • A61B1/00029—Operational features of endoscopes characterised by power management characterised by power supply externally powered, e.g. wireless
    • 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
    • A61B1/00126—Connectors, fasteners and adapters, e.g. on the endoscope handle optical, e.g. for light supply cables
    • 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
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00195—Optical arrangements with eyepieces
    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/042—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 combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2423—Optical details of the distal end
    • G02B23/243—Objectives for endoscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2446—Optical details of the image relay
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2461—Illumination
    • G02B23/2469—Illumination using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports
    • G02B23/2484—Arrangements in relation to a camera or imaging device
    • 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
    • A61B1/002—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 having rod-lens arrangements
    • 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
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply

Definitions

  • Endoscopy system Endoscopy system, endoscope and camera head
  • the invention relates to an endoscopy system having an endoscope, comprising a lens, an eyepiece, an optical transmission system for transmitting an image from the objective to the eyepiece and an eyepiece-side first coupling device for coupling the endoscope to a camera head; and a camera head having an image converter for
  • Endoscope comprises at least one electrical load and the camera head least an electrical supply unit for supplying the electrical
  • Endoscopy system with a camera head and an endoscope, which has a plurality of integrated light sources.
  • the supply of these light sources takes place by galvanic or wireless energy transfer from the camera head.
  • a wireless energy transfer between camera head and endoscope usually has a low efficiency. As a result, either only a small amount of electrical power is available or the camera head and / or endoscope heat up during the wireless transmission, which is undesirable.
  • an endoscopy system having an endoscope, comprising an objective, an eyepiece, an optical transmission system for transmitting an image from the objective to the eyepiece and an eyepiece-side first
  • Coupling device for coupling the endoscope to a camera head
  • a camera head comprising an imager for converting an image delivered by the eyepiece into an electronic signal and a second coupling device for coupling the camera head to an endoscope; wherein the endoscope at least one electrical
  • the camera head least an electrical supply unit for Supplying the electrical load includes; which is further formed by that in the second coupling device transmitting means for wireless transmission of electrical energy are arranged, and that in the first coupling device
  • Receiving means for wireless recording of electrical energy are arranged.
  • the arrangement of the transmitting and receiving means for wireless transmission or recording electrical energy in the first and second coupling device of the wireless energy transfer to be bridged distance is significantly reduced, thereby increasing the achievable efficiency of energy transfer significantly. It is thus made possible by the invention to supply an electrical load in an endoscope enough electrical energy without the endoscope or the
  • Endoscopy system can be used together with a sterile disposable cover for the endoscope, without the energy transfer is disturbed.
  • the first coupling device preferably comprises an eyepiece funnel of the endoscope.
  • the second coupling device comprises a Okulartrichter charged the camera head.
  • Endoscopy system according to the invention are coupled to each other as well as conventional endoscopy systems in which no electrical energy transfer between the camera head and endoscope is provided. This can be additional
  • the transmitting means and / or the receiving means comprise a coil.
  • the electrical energy is transmitted inductively, this transfer is particularly effective.
  • the coil is designed in a possible embodiment of the invention so that all windings of the coil are arranged in a common plane.
  • the outer diameter of the coil is at least ten times the length of the coil. Under the outer diameter of the coil is in the context of the invention, the double distance of the outermost winding of the coil to
  • Winding axis of the coil understood. Under the length of the coil is in the sense of
  • the Invention understood the extension of the coil in the direction of the winding axis.
  • the coils require little space in the direction of the winding axis.
  • the coils can be integrated into the endoscopy system, without the distance between the eyepiece and image converter is significantly increased. A modification of an optical system of the endoscope can therefore be omitted.
  • the Coil can be integrated into the eyepiece funnel of a known endoscope or in the eyepiece of a known camera head, without disturbing the mechanical coupling and the optical path of the endoscopy system.
  • the inductance of the coil is in an embodiment of the invention at least 5 ⁇ , preferably at least 6 ⁇ . This inductance enables efficient energy transfer.
  • Supply unit means for converting a low-frequency
  • Alternating frequency of the public power supply network of 50-100Hz is.
  • the frequency of the energy transmission signal may be, for example, 110 to 205 kHz.
  • Under a low-frequency supply voltage signal is in the context of the invention
  • Supply voltage signal understood, which is a DC voltage or its frequency is not or not significantly above the frequency of the public
  • Power supply network of 50-100Hz.
  • the frequency of the energy reception signal corresponds to an inductive energy transmission of the frequency of the energy transmission signal.
  • the electrical load in one embodiment of the invention comprises means for converting a high frequency power reception signal to a low frequency one
  • the electrical load can comprise a light source, in particular a light-emitting diode.
  • the electrical load a heating element, in particular a
  • Objective window heating include.
  • the endoscopy system comprises a further endoscope, wherein the further endoscope comprises a third coupling device which has no receiving means, and wherein the second coupling device can be selectively coupled to the first coupling device or to the third coupling device.
  • Fig. 1 An endoscopy system according to the prior art in a schematic representation
  • Fig. 3 The structure of an endoscopy system according to an embodiment of the invention
  • Fig. 4 The basic structure of a wireless electrical supply
  • Fig. 5a, 5b A coil of an endoscopy system according to the invention
  • FIG 6 shows an endoscopy system according to another embodiment of the invention.
  • FIG. 1 shows a conventional endoscopy system 1.
  • the endoscope system 1 comprises an endoscope 2 and a camera head 3.
  • the endoscope 2 serves to guide an image of an anatomical structure 4 on the optical path to the camera head 3, which converts it into a video signal.
  • the video signal is transmitted by means of a line 5 to a camera control unit 6.
  • the camera control unit 6 the video signal is processed for display on a monitor 7.
  • the anatomical structure 4 is usually located in a body cavity of a patient.
  • a cold light source 8 is provided, the light of which is supplied to the endoscope 2 via a light guide cable 9 and emitted by the endoscope 2 in the direction of the anatomical structure 4.
  • Endoscope 2 arranged light source to replace. For this purpose, however, it is necessary to supply the endoscope 2 with electrical energy.
  • Another disadvantage of the endoscopy system 1 is that the endoscope during
  • Insertion into a warm and moist body cavity of a patient can fog.
  • the endoscope 2 consists of a main body 10 and a shaft tube 11. At the distal end of the shaft tube 11, an objective 12 is arranged behind a lens window 13. Over the length of the shaft tube 11, an optical image conductor 14 is arranged in the endoscope 2, which is a relay system in the example shown. Alternatively, rigid or flexible fiber-image conductors can also be used here. Lens 12 and image guide 14 are arranged in an inner tube 15 of the endoscope, which is referred to as a fiber tube becomes.
  • optical fibers 16 are arranged, via which illumination light is guided by a light guide neck 17 to the distal end of the shaft tube 11 and emitted there.
  • the light guide cable 9 not shown here, can be connected.
  • the fiber tube 15 protrudes into the main body 10 of the endoscope 2.
  • an eyepiece 18 is arranged behind an eyepiece window 19.
  • the eyepiece 18 is held by an eyepiece tube 20.
  • an eyepiece hopper 21 is further arranged on the main body 10.
  • the ocular funnel 21 may be placed directly on his eye by a user of the endoscope to view a virtual image produced by the eyepiece 18.
  • a camera head 3 is placed on the Okulartrichter 21.
  • the camera head 3 serves to convert the virtual image generated by the eyepiece 18 into a video image.
  • the camera head 3 has a housing 22, in which a camera lens 24 and an image converter 25 are arranged behind a camera window 23.
  • the video signals generated by the image converter 25 are controlled by an electronic control 26th
  • the camera head 3 has an eyepiece holder 27, which can be detachably coupled to the eyepiece funnel 21 of the endoscope 3.
  • eyepiece holder 27 has an axial stop surface 28 and a radial stop surface 29.
  • fixing means which are, for example, a clamping mechanism, a screw or a
  • FIG. 3 shows the internal structure of an endoscopy system 101 according to the invention.
  • the endoscopy system 101 includes an endoscope 102 and a camera head 103.
  • the endoscope 102 in turn consists of a main body 110 and a shaft tube 111. At the distal end of the shaft tube 111, an objective 112 is arranged behind a lens window 113. Over the length of the shaft tube 111, an optical image conductor 114 is arranged in the endoscope 102, which can be designed in accordance with the image conductor 1 of the endoscope 2 in FIG. Lens 112 and image guide 114 are again in a fiber tube
  • optical fibers Between the fiber tube 115 and the shaft tube 111 are optical fibers
  • the optical fibers 116 terminate proximally in front of a light emitting diode 130, which replaces an external cold light source 8.
  • the LED is powered and controlled by a lighting controller 131.
  • an eyepiece 118 is disposed behind an eyepiece window 119.
  • the eyepiece 118 is held by an eyepiece tube 120.
  • an eyepiece funnel 121 is arranged on the main body 110.
  • a heating device 132 is arranged, which heats the lens 112 and in particular the lens window 113 and thus prevents disturbing condensation on the lens window 113.
  • the heater 132 which may, for example, be a self-regulating resistance heater, is connected via a line 133 routed along the fiber tube 115 to a heater controller 134, from which it is supplied and controlled.
  • the Okulartrichter 121 has proximally an annular planar contact surface 135. Close to the contact surface 135, a coil 136 is arranged in the Okulartrichter. The coil 136 is connected to a first transducer 137, which in turn with the
  • Lighting control 131 and the heating control 134 is connected.
  • the camera head 103 in turn has a housing 122 in which behind a
  • Camera window 123 a camera lens 124 is arranged. Behind the camera lens, an image converter 125 with associated control electronics 126 is arranged, which can be connected by means of a line 105 with a camera control unit, not shown here.
  • the camera head 103 furthermore has an eyepiece holder socket 127 with an axial contact surface 128 and a radial contact surface 129.
  • a coil 138 is disposed near the axial abutment surface 128, which is connected to a second transducer 139.
  • the second converter is connected to the line 105.
  • the endoscope 102 has two electrical consumers.
  • the endoscope can also have only one or even more than two electrical consumers. It may also be other consumers than the illustrated light source 130 or heater 132. Come here
  • additional sensors such as temperature or acceleration sensors or therapeutic devices such as lithotripters, lasers or similar devices into consideration.
  • Endoscopy system according to the invention shown. It comprises the first converter 137 and the second converter 139.
  • the second converter 139 is supplied with a supply voltage via a line 201.
  • the supply voltage for the control electronics 126 of the image converter 125 can be used.
  • Supply voltage is stabilized in a first voltage control 202 and possibly on regulated the required voltage value such as 5V.
  • a MAX17502 device from Maxim Integrated Products combined with a TLV70033 device from Texas Instruments can be used as the voltage controller.
  • the stabilized supply voltage is then provided to a signal generator 203, which generates a high frequency energy transfer signal which is then fed to the coil 138.
  • the energy transfer signal can be a simple
  • the signal generator 203 may include, for example, a BQ500212 Texas Instruments device and a
  • Signal amplifier include.
  • the coil 138 generates an electromagnetic alternating field, which is collected by the coil 136 and converted into a high-frequency voltage signal and transmitted to the first converter 137.
  • the converter 137 in turn comprises a signal receiver 204, which converts the high-frequency voltage signal into a DC voltage.
  • the signal receiver 204 may include a rectifier. Using the Qj standard, the signal receiver may include a BQ51013B Texas Instruments device.
  • the DC voltage provided by the signal receiver 204 is in a second
  • Voltage control 205 in turn stabilized and, if necessary, regulated to a required by connected loads 131, 134 voltage value, for example, 20V.
  • a TPS61170DRV device from Texas Instruments can be used for this purpose.
  • the energy transfer between the coils 136 and 138 may be resonant.
  • the coils 136 and 138 are each incorporated in resonant circuits which have the same natural frequency. In this mode of operation, a particularly high energy transfer efficiency can be achieved.
  • FIGS. 5a and 5b show the coil 136.
  • Figure 5a shows the coil in a view perpendicular to its winding axis. In the center of the coil 136, this has a free inner diameter 301 of at least 10 mm, and preferably at least 12 mm. Through this free inner diameter of the image beam path of the endoscopy system 101 can pass undisturbed.
  • the windings of the coil wire 302 close to the inner diameter 301 close to each other.
  • the coil 136 has an outer diameter 303 of at most 50 mm, preferably at most 44 mm and thus fits into the contact surface 135 of the Okulartrichters 121.
  • the inductance of the coil is about 6.3 ⁇ .
  • the coil 136 is shown in a view transverse to its winding axis. It can be seen that all windings of the coil 136 lie in one plane. Through this single-layer winding of the coil 136, this is very flat and thus requires little overall length. Of the
  • Outer diameter 303 of the coil 136 is preferably at least ten times its length.
  • the coil 138 corresponds in its structure to the coil 136 and is therefore not shown separately.
  • FIG. 6 schematically shows another endoscopy system 401. This
  • Endoscopy system 401 comprises a camera head 103, as described above with reference to FIG. 3.
  • the endoscopy system 401 includes endoscopes 102 and 102 ', which are also described with reference to FIG. 3.
  • the endoscopes 102, 102 ' may have different optical properties, e.g. different viewing directions, as indicated by the arrows 402, 403.
  • the endoscopy system 401 further includes endoscopes 2 and 2 ', which are constructed according to the description of Figure 2, so have no electrical consumers.
  • the endoscopes 2, 2 ' may also have different viewing directions, as indicated by arrows 404, 405.
  • the endoscopy system 401 is designed such that both the endoscopes 102, 102 'and the endoscopes 2, 2' can be connected to the camera head 103.
  • the ocular funnels of the endoscopes have the same dimensions.
  • the first transducer 139 in the camera head 103 recognizes, using the Qj standard, that there is no second transducer 136 and disables the energy transfer.
  • the endoscopy system 401 may then be used as a conventional endoscopy system. However, if an endoscope 102 or 102 'is connected, this is likewise detected by the transducer 139 and the energy transmission is activated.
  • the user of the endoscopy system 401 can thus use different endoscopes 2, 2 ', 102, 102' with the camera head 103.
  • the endoscopy system 401 is therefore particularly flexible and can also be used together with conventional endoscopes 2, 2 '.
  • the user can therefore continue to use existing endoscopes.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

L'invention concerne un système d'endoscopie, muni d'un endoscope (102), qui comprend une lentille (112), un oculaire (118), un système de transmission optique (114) pour transmettre une image à partir de l'objectif (112) à l'oculaire (118) et un premier dispositif d'accouplement côté oculaire destiné à accoupler l'endoscope (102) à une tête de caméra ; et une tête de caméra (103) comprenant un convertisseur d'image (125) destiné à convertir une image fournie par l'oculaire (118) en un signal électronique et un second dispositif d'accouplement pour accoupler la tête de caméra (103) à un endoscope. L'endoscope comporte au moins un consommateur électrique (130, 131, 132, 134, 137) et la tête de caméra comporte au moins une unité d'alimentation électrique (139) destinée à alimenter le consommateur électrique (130, 131, 132, 134, 137). Le système d'endoscopie est perfectionné en ce que des moyens d'émission sont disposés dans le second dispositif d'accouplement pour transmettre sans fil de l'énergie électrique et en ce que des moyens de réception sont disposés dans le premier dispositif d'accouplement pour recevoir sans fil de l'énergie électrique. En outre, l'invention concerne une tête de caméra et un endoscope d'un système d'endoscopie correspondant.
PCT/EP2017/059316 2016-05-02 2017-04-19 Système d'endoscopie, endoscope et tête de caméra Ceased WO2017190955A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016108095.0 2016-05-02
DE102016108095.0A DE102016108095A1 (de) 2016-05-02 2016-05-02 Endoskopiesystem, Endoskop und Kamerakopf

Publications (1)

Publication Number Publication Date
WO2017190955A1 true WO2017190955A1 (fr) 2017-11-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019225167A1 (fr) * 2018-05-24 2019-11-28 オリンパス株式会社 Système d'endoscope

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017101681B4 (de) 2017-01-28 2019-01-24 Olympus Winter & Ibe Gmbh Beobachtungsinstrument
DE102017122225A1 (de) 2017-09-26 2019-03-28 Olympus Winter & Ibe Gmbh Endoskop

Citations (4)

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Publication number Priority date Publication date Assignee Title
US20040133189A1 (en) * 2002-12-27 2004-07-08 Olympus Corporation Surgical operation apparatus and control method thereof
US7668450B2 (en) 2005-01-28 2010-02-23 Stryker Corporation Endoscope with integrated light source
EP2428155A1 (fr) * 2010-09-10 2012-03-14 Karl Storz Imaging Inc. Couplage de caméra sans fil avec couplage rotatif
EP2976987A2 (fr) * 2012-02-23 2016-01-27 Smith & Nephew, Inc. Système endoscopique vidéo

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010017255U1 (de) * 2010-03-15 2011-05-26 Karl Storz GmbH & Co. KG, 78532 Endoskopisches Instrument mit einer Heizung für das Abschlussfenster

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040133189A1 (en) * 2002-12-27 2004-07-08 Olympus Corporation Surgical operation apparatus and control method thereof
US7668450B2 (en) 2005-01-28 2010-02-23 Stryker Corporation Endoscope with integrated light source
EP2428155A1 (fr) * 2010-09-10 2012-03-14 Karl Storz Imaging Inc. Couplage de caméra sans fil avec couplage rotatif
EP2976987A2 (fr) * 2012-02-23 2016-01-27 Smith & Nephew, Inc. Système endoscopique vidéo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019225167A1 (fr) * 2018-05-24 2019-11-28 オリンパス株式会社 Système d'endoscope

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