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WO2011086111A1 - Optique d'endoscope et endoscope - Google Patents

Optique d'endoscope et endoscope Download PDF

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Publication number
WO2011086111A1
WO2011086111A1 PCT/EP2011/050365 EP2011050365W WO2011086111A1 WO 2011086111 A1 WO2011086111 A1 WO 2011086111A1 EP 2011050365 W EP2011050365 W EP 2011050365W WO 2011086111 A1 WO2011086111 A1 WO 2011086111A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope
optics
cannula
signal line
chip
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/EP2011/050365
Other languages
German (de)
English (en)
Inventor
Hansgeorg Schaaf
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.)
Polydiagnost GmbH
Original Assignee
Polydiagnost 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 Polydiagnost GmbH filed Critical Polydiagnost GmbH
Publication of WO2011086111A1 publication Critical patent/WO2011086111A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00103—Constructional details of the endoscope body designed for single use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00105—Constructional details of the endoscope body characterised by modular construction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—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
    • A61B1/05—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 the image sensor, e.g. camera, being in the distal end portion
    • 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
    • A61B1/05—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 the image sensor, e.g. camera, being in the distal end portion
    • A61B1/051—Details of CCD assembly
    • 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0676—Endoscope light sources at distal tip of an 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0684—Endoscope light sources using light emitting diodes [LED]
    • 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

Definitions

  • the invention relates to an endoscope optics according to the preamble of claim 1 and an executed with such optics endoscope.
  • Endoscopy has become firmly established as part of minimal invasive surgery. Endoscopes are used for diagnostics, therapy and endoscopes with catheter probes.
  • Used in diagnostics and therapy endoscopes have a cannula or probe, in which an optics for light and image transmission is used and with other connections, such as a flushing port for supplying irrigation fluid, a working port for attaching a tool, such as a drill, a Biopsy forceps or a laser beam conductor for surgical or therapeutic treatment and a lighting or suction connection is executed.
  • endoscopes are optimized for the particular field of application and are used, for example, in endoscopy of small joints, dental endoscopy (root canal endoscopy), milk duct, Zahntaschen-, tear duct, intervertebral disc or spinal canal endoscopy, the outer diameter depending on the application between 0.3 mm (glaucoma diagnostics) is in the range of several millimeters in catheter probes.
  • the optics are designed with light guides or image guides, wherein the image guides are connected to a modular eyepiece via an eyepiece connection and the light guides are connected to a light source via a light connection. are closed.
  • image guides allow a comparatively high resolution in the range of 3000 to 50,000 pixels at an image angle of up to 120 °.
  • image sensors are also used, as they are known in principle from video technology.
  • Such image sensors are designed, for example, with CCD or CMOS chips and open up further possibilities of direct online image processing for the user.
  • the problem with the use of these optical chips is that they are available only with a comparatively large outer diameter and thus a correspondingly sized cannula or catheter probe must be used, the inner diameter is designed so that in the conventional solutions, both the optics and the initially described Working channel and at least one flushing channel can record.
  • the optical chips with the corresponding signal lines are integrated into the endoscope and must be correspondingly decontaminated before each use.
  • the present invention seeks to provide an endoscope optics that can be performed in a simple manner as Disposable.
  • the invention is also based on the object, an endoscope with such
  • Endoscope optics ready to provide.
  • the endoscope optical system has an optical chip (CCD, CMOS chip or the like) for recording image information and a signal line for transmitting the image information to an image processing unit.
  • this signal line has a rigid design, so that the endoscope optics can be inserted via the signal line into a protective sheath by which the direct contamination of the endoscope optics is reliably prevented. After use of the endoscope, the endoscope optics is again pulled out of this protective cover, the latter being disposed of as disposable. In this way, a single endoscope optics can be assigned to a plurality of endoscopes, wherein the shear-resistant design allows insertion of the optics even with long lengths and narrow diameters.
  • the signal line of the endoscope optics is provided with a shear-resistant jacket, which surrounds the signal transmission line normally provided and gives the signal line the required shear stiffness for inserting the optics.
  • This jacket may, for example, be a Kapton spiral, a metal ribbon spiral or the like.
  • This intrinsically rigid assembly consisting of the signal transmission line and the surrounding thrust-resistant jacket can be inserted, for example, into the above-mentioned protective tube.
  • This has in a preferred embodiment of the invention, a distal end with a transparent cover, which is made for example of a diamond glass, a high-quality optical plastic or the like.
  • the protective hose in conjunction with the cover disc reliably prevents contamination of the optics.
  • the endoscope optics is designed with a length compensation (shifter), via which the optical chip can be length-adjusted with respect to the distal end piece, so that virtually any desired relative position with respect to the disc can be set.
  • the optical chip is pressed with a bias against this disc, so that the predetermined relative position is maintained even with an elastic deformation of the cannula or the like.
  • the length compensation is arranged on a plug of the image processing unit.
  • the handling of the endoscope optics is particularly simple if the hose with the end piece is designed as disposable.
  • an optical chip is used whose outer diameter is ⁇ 1, 2 mm.
  • the modular endoscope is designed with a cannula or a flexible catheter probe and a prescribed endoscope optics.
  • a flexible endoscope can also be provided.
  • the diameter of the catheter probe is preferably less than 10FR, preferably 8FR.
  • the endoscope optics is not disposed within the cannula / catheter shaft but extends outside. This has the advantage that conventional cannulas with a comparatively small diameter can be provided, the inner diameter of which is optimized with regard to the working tool to be used and the flushing line. Such a design with external optics can be used particularly advantageously in dental endoscopy.
  • the endoscope has a handle in which a receptacle for guiding the signal line of the endoscope optics is formed. Through this Further training, the handling of the endoscope is not hindered by the external optics.
  • the optics can be fixed to the cannula or the catheter shaft via a holder.
  • this holder is a cap fitted onto the cannula / catheter shaft with recesses for the cannula (the catheter shaft), for the optics and for illumination.
  • This lighting can be designed as spot or ring illumination.
  • the structure of the lighting is particularly simple if it is formed from at least one optical fiber bundle. It is preferred if this illumination is also arranged outside the cannula (of the catheter shaft).
  • the handling is further simplified, although the cannula or the flexible
  • Catheter probe is designed as disposable, so that after the treatment, the cannula, the tube and attached thereto tail or the catheter probe are disposed of after removing the endoscope optics.
  • Figure 1 is a schematic representation of a dental endoscope with an endoscope optics according to the invention
  • FIG. 2 is an enlarged view of a distal end section of the endoscope optical system according to FIG. 1;
  • FIG. 3 shows an optical chip of the endoscope optics from FIG. 2;
  • FIG. 4 shows a proximal end section of the endoscope optical system from FIG. 1;
  • FIG. 5 shows a section along the line AA in FIG. 1;
  • FIG. 6 shows a distal end section of the endoscope from FIG. 1;
  • 7 shows a variant of the endoscope according to FIG. 6 and
  • FIG. 8 shows an embodiment of an endoscope with catheter probe.
  • FIG. 1 shows a greatly simplified illustration of a dental endoscope 1, as used, for example, for tooth root treatment.
  • a dental endoscope 1 has a handle 2 to which a curved cannula 6 is attached via a luer lock 4 or the like.
  • an axial port 8 and two Y-ports 10, 12 are formed, which are also each provided with Luer-lock coupling elements.
  • the axial port 8 opens into a working channel, through which a tool, for example a micro drill for root canal treatment, can be introduced.
  • One of the Y-ports 10, 12 can be used as flushing port.
  • the further Y-connection can then be used, for example, for suction or for supplying further tools or the like.
  • the positioning of the cannula 6 takes place with the aid of an endoscope optical unit 14 which, in the exemplary embodiment shown, extends outside the endoscope 1 and which is aligned with respect to the distal end section 16 of the cannula 6.
  • an endoscope optical unit 14 which, in the exemplary embodiment shown, extends outside the endoscope 1 and which is aligned with respect to the distal end section 16 of the cannula 6.
  • the endoscope optical system 14 is designed with a camera chip.
  • a CCD sensor or a CMOS sensor can be used.
  • Such sensors are known from image processing, so that further explanations are unnecessary.
  • FIG. 2 shows the basic structure of the distal end section of the endoscope optical system 14, as used in the endoscope according to FIG.
  • This endoscope optics 14 has a CMOS chip 18 with a signal transmission circuit 20, which is formed in a cylindrical housing with approximately the diameter of the chip 18.
  • This signal transmission circuit 20 is connected via a signal line 22 to an image processing unit, not shown, so that the signals recorded via the CMOS chip 18 can be processed and processed.
  • the signal line 22 is formed by a signal transmission line 24 indicated by dashed lines which, as in the case of the structural units used in the prior art, is embodied as a pliable cable.
  • this signal transmission line 24 is surrounded by a shear-resistant but still allowing a certain flexibility jacket 26, which makes it possible to insert the endoscope optics via the signal line in relatively narrow lines or channels without the signal transmission line 24 kinks.
  • a jacket 26 a metallic flat spiral or Spiralkapton can be used.
  • This shear-resistant assembly is inserted into a disposable protective tube 28, the end portion shown in Figure 2 is attached to a fitting sleeve 30 which surrounds the chip 18 and the signal transmission circuit 20.
  • the front side is the
  • the chip 18 bears against the cover 32 with a predetermined bias voltage F.
  • the chip 18 is designed so that it can detect the tooth root area with a very large angle of view of more than 100 °.
  • FIG. 2 shows a camera axis unit 34 designed as a purchased part, whose diameter is approximately 1.2 mm. This has at its front end portion of said CMOS chip 18, which is contacted with the received in a cylindrical housing 36 signal transmission circuit 20. The signal transmission takes place, as mentioned, via the signal transmission line 24. This is provided before the use of the tonechiptician 34 with the biegeschubsteifen jacket 26.
  • FIG. 4 shows the proximal end section of the endoscope optics. In the region of this end portion of the protective tube 22 is connected via a further Luer-lock coupling 38 to a shifter 40, via which the chip 18 with respect to the cover 32 can be adjusted.
  • this shifter 40 is known from the prior art, for example from DE 10 2005 08 825 B3 of the applicant, so that only the components essential for understanding the invention are explained here.
  • This shifter 40 is connected with its end portion shown in Figure 4 via a further Luer lock coupling 42 to a connector 44 which is attached to the above-mentioned image processing unit.
  • the length compensation of the rigid unit consisting of the plug 44, the shifter 40, the signal line 22 and the chip 18 with the signal transmission circuit 20 via the shifter 40 which consists in principle of a guide tube 46 which is shear-resistant with the signal line 22 and the chip 18 is connected and guided within a slider 48. By sliding the guide tube 46 within the slider 48, the chip 18 can be positioned with respect to the cover 32.
  • This nominal position is then fixed in position via a knurled screw 50.
  • the slider 48 is connected via the Luer-lock coupling with the protective tube 22.
  • the shifter 40 is further provided with a spring mechanism, which ensures a resilient abutment of the chip 18 to the cover 32, so that it is pressed against the cover 32 with a defined biasing force. When this biasing force is exceeded, a length compensation via the dashed lines indicated spring, which is then compressed.
  • This combi dispenser has been marketed by the patent applicant for some time, so that further explanations are unnecessary.
  • a conventional clamping device for positioning the shear-resistant optics can be used in low-cost systems.
  • the endoscope optical system 14 extends outside the cannula 6, wherein the bulge in FIG. 1 in the region of the reference line 14 identifies the preload set via the shifter 40.
  • the distal end portion of the endoscope optical system 14 is fixed to the cannula end portion 16 via a holder 52 according to FIG. 6 showing the detail E of FIG.
  • This holder 52 may be, for example, a sleeve attached to the cannula end portion 16, into which the endoscope optics 14 with the Pass sleeve 30 is inserted, so that the cover 32 is disposed in the region of the cannula mouth.
  • the protective tube 28 of the endoscope optic 14 bulges away from the cannula 6 and then extends towards the handle 2, along which the protective tube 28 then extends in the direction of the axial connection 8.
  • a longitudinally extending receptacle 54 is provided in the outer periphery of the handle 2 according to the partial sectional view AA, in which a portion of the signal line 22 is inserted flush but interchangeable, so that this along the handle 2 does not project and thus a reliable gripping of the handle 2 is ensured.
  • FIG. 7 a solution shown in FIG. 7 can also be used.
  • the holder is formed by a cap 56 which is placed on the cannula end portion 16 according to FIG.
  • the attachment can be done for example by gluing or by press-fitting or jamming.
  • the cap 56 has in addition to the receptacle 58 for the cannula 16 three more recesses 60, 62, 64, wherein in the two smaller recesses 62, 64 each have an optical fiber bundle 66 is inserted, while the slightly larger, lying between the recesses 62, 64 Recess 60, the fitting sleeve 30 and / or a portion of the signal line 22 with the protective tube 28 receives.
  • Optimum illumination of the area to be treated is ensured via the fiber optic bundles 66.
  • an annular illumination or the like could also be used.
  • the cover 32 could also be laid in the cap 56 - but this design variant is relatively difficult to realize, since then a tight fit of the fitting sleeve 30 must be ensured to the cap 56 with the cover 32 mounted there.
  • the cap 56 may for example be made of a plastic by injection molding.
  • FIG. 8 shows a flexible endoscope 1 and consists essentially of a multi-lumen catheter probe 102, which is attached to a handle 104.
  • the connection between catheter probe 102 and handle 104 takes place via a conventional bayonet connection, for example a Luer lock connection 106.
  • the catheter probe 102 has a combined working / flushing lumen, an optical lumen for the observation optics (on image guide), an illumination lumen for the illumination optics (light guide) and a
  • Control lumen for receiving a control wire over which the catheter probe is deflectable.
  • the catheter probe 102 itself consists of a flexurally elastic material
  • This catheter probe 102 is supplied sterile packaged and is designed as disposable (disposable), so that after the surgical use of the handle 104 is released and then disposed of.
  • the handle 104 shown in FIG. 8 serves, on the one hand, for controlling the distal end section of the catheter probe 102 and, on the other hand, as a lumen outlet for the above-described elements, that is to say for the working element.
  • the endoscope optical system 14 according to FIG. 2 is designed with a camera chip.
  • a CCD sensor or a CMOS sensor can be used.
  • Such sensors are known from image processing, so that further explanations are unnecessary.
  • FIG. 2 shows the basic structure of the distal end section of the endoscope optical unit 14, as used in the endoscope according to FIG.
  • This rigid unit is inserted into the catheter probe 102 and positioned via a shifter so that the CMOS chip 18 with a predetermined
  • Tension on a cover of diamond glass, plastic or other material of the catheter probe 102 is applied.
  • Endoscope optics has an optical or camera chip for recording image information and a signal line for transmitting the image information to an image processing unit. According to the invention, this signal line is made shear resistant.
  • the endoscope can be designed with a cannula or a catheter probe.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Endoscopes (AREA)

Abstract

L'invention concerne une optique d'endoscope et un endoscope muni d'une telle optique. Ladite optique d'endoscope présente une puce d'optique ou de caméra pour enregistrer des informations d'image et une ligne d'acheminement de signaux pour transmettre les informations d'image à une unité de traitement d'image. Selon l'invention, cette ligne d'acheminement de signaux est conçue de manière à résister au cisaillement. L'endoscope peut comporter une canule ou une sonde de cathéter.
PCT/EP2011/050365 2010-01-12 2011-01-12 Optique d'endoscope et endoscope Ceased WO2011086111A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE201010004500 DE102010004500A1 (de) 2010-01-12 2010-01-12 Endoskopoptik und Endoskop
DE102010004500.4 2010-01-12
DE202010001630.4 2010-02-01
DE202010001630U DE202010001630U1 (de) 2010-01-12 2010-02-01 Endoskopoptik und Endoskop
DE202010006943.2 2010-05-18
DE202010006943U DE202010006943U1 (de) 2010-01-12 2010-05-18 Endoskop

Publications (1)

Publication Number Publication Date
WO2011086111A1 true WO2011086111A1 (fr) 2011-07-21

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ID=42538802

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/050365 Ceased WO2011086111A1 (fr) 2010-01-12 2011-01-12 Optique d'endoscope et endoscope

Country Status (2)

Country Link
DE (3) DE102010004500A1 (fr)
WO (1) WO2011086111A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015111812A1 (de) 2015-07-21 2017-01-26 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh Endoskop
DE102015122754A1 (de) 2015-12-23 2016-04-21 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh Endoskop
DE102022106696A1 (de) 2021-03-22 2022-09-22 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh Endoskopoptik und Endoskop

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620769A (en) * 1982-12-29 1986-11-04 Sumitomo Electric Industries, Ltd. Image observation system
US4947245A (en) * 1988-05-23 1990-08-07 Sumitomo Electric Industries, Ltd. Image picking-up and processing apparatus
US5617498A (en) * 1994-12-05 1997-04-01 Cawood; Charles D. Light-transmitting outer casings for endoscopes and methods of making
WO2003026498A1 (fr) * 2001-04-06 2003-04-03 Dentsply International Inc. Système d'imagerie vidéo dentaire
JP2004167267A (ja) * 2004-01-26 2004-06-17 Olympus Corp 内視鏡
WO2007070831A2 (fr) * 2005-12-15 2007-06-21 Microvision, Inc. Procede et appareil d’etalonnage d’un systeme endoscope
US20080058600A1 (en) * 2006-08-31 2008-03-06 David Bowman Method and system for stabilizing an optical imaging fiber in a diagnostic scope
EP1911388A1 (fr) * 2005-08-01 2008-04-16 Olympus Medical Systems Corp. Endoscope comportant une partie d'insertion
WO2009024107A1 (fr) 2007-08-23 2009-02-26 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Service Gesellschaft Mbh Endoscope modulaire
US20090198106A1 (en) * 2008-02-05 2009-08-06 Ichihashi Masaki Endoscope apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005709A1 (de) 2004-02-05 2005-08-25 Polydiagnost Gmbh Endoskop mit einer flexiblen Sonde
DE102005008825A1 (de) 2005-02-22 2006-08-31 Popp, Siegfried Gerät zum Trennen, Schleifen oder dergleichen sowie Gehäuseeinheit für ein Gerät
DE102005018825B3 (de) 2005-04-22 2007-01-04 Polydiagnost Gmbh Endoskop

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620769A (en) * 1982-12-29 1986-11-04 Sumitomo Electric Industries, Ltd. Image observation system
US4947245A (en) * 1988-05-23 1990-08-07 Sumitomo Electric Industries, Ltd. Image picking-up and processing apparatus
US5617498A (en) * 1994-12-05 1997-04-01 Cawood; Charles D. Light-transmitting outer casings for endoscopes and methods of making
WO2003026498A1 (fr) * 2001-04-06 2003-04-03 Dentsply International Inc. Système d'imagerie vidéo dentaire
JP2004167267A (ja) * 2004-01-26 2004-06-17 Olympus Corp 内視鏡
EP1911388A1 (fr) * 2005-08-01 2008-04-16 Olympus Medical Systems Corp. Endoscope comportant une partie d'insertion
WO2007070831A2 (fr) * 2005-12-15 2007-06-21 Microvision, Inc. Procede et appareil d’etalonnage d’un systeme endoscope
US20080058600A1 (en) * 2006-08-31 2008-03-06 David Bowman Method and system for stabilizing an optical imaging fiber in a diagnostic scope
WO2009024107A1 (fr) 2007-08-23 2009-02-26 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Service Gesellschaft Mbh Endoscope modulaire
US20090198106A1 (en) * 2008-02-05 2009-08-06 Ichihashi Masaki Endoscope apparatus

Also Published As

Publication number Publication date
DE202010001630U1 (de) 2010-08-05
DE102010004500A1 (de) 2011-08-18
DE202010006943U1 (de) 2010-09-30

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