WO2013092498A1 - Endoscope - Google Patents

Endoscope Download PDF

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Publication number
WO2013092498A1
WO2013092498A1 PCT/EP2012/075815 EP2012075815W WO2013092498A1 WO 2013092498 A1 WO2013092498 A1 WO 2013092498A1 EP 2012075815 W EP2012075815 W EP 2012075815W WO 2013092498 A1 WO2013092498 A1 WO 2013092498A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope
light
projection device
camera
lichtleitkanal
Prior art date
Application number
PCT/EP2012/075815
Other languages
German (de)
English (en)
Inventor
Nico Morgenbrod
Original Assignee
Osram 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 Osram Gmbh filed Critical Osram Gmbh
Publication of WO2013092498A1 publication Critical patent/WO2013092498A1/fr

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
    • A61B1/00043—Operational features of endoscopes provided with output 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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00096—Optical elements
    • 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
    • A61B1/00172—Optical arrangements with means for scanning
    • 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
    • A61B1/00193—Optical arrangements adapted for stereoscopic vision
    • 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
    • A61B1/0605—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 for spatially modulated illumination
    • 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
    • A61B1/0638—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 providing two or more wavelengths
    • 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
    • G02B23/2415—Stereoscopic 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
    • G02B23/2461—Illumination
    • G02B23/2469—Illumination using optical fibres
    • 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
    • A61B1/00108—Constructional details of the endoscope body characterised by self-sufficient functionality for stand-alone use

Definitions

  • Endoscope relates to an endoscope comprising a shaft with a shaft in a distal end region of the shaft
  • Endoscope tip runs.
  • the endoscope can be used in particular as a medically usable device.
  • US Pat. No. 6,503,195 B1 discloses an endoscope system with an LCD projector and a camera for the depth-resolved representation of an object recorded by the camera.
  • the projector is connected to an endoscope head of a first endoscope, and patterns of light emitted from the projector are irradiated on the object through the first endoscope.
  • a second obliquely arranged endoscope guides light reflected by the object to a camera connected to an endoscope head of the second endoscope.
  • Image evaluation unit has pixels of an image of the object taken by the camera due to a
  • an endoscope comprising a shaft with an endoscope tip arranged in a distal end region of the shaft, one at a proximal end
  • Endoscope tip runs. So can be at a proximal
  • Lichteinkopplungs resonance in the light guide channel coupled light of a light generating device are guided to the endoscope tip and there at a distal
  • Projection device housed, which at the
  • Lichtleitkanal is connected and configured and arranged to project an image from the endoscope tip out. Consequently, from the distal
  • Light-outcoupling surface of the light guide channel coupled light or light beam (s) are radiated to the projection device.
  • the projection device generates from the light, in particular, an image which can be emitted from the endoscope tip.
  • the projection device at least one optical element such as a lens, etc. and / or a transparent cover plate be connected downstream.
  • the image radiated by the projection device can be
  • the endoscope may have a further illumination device for intensified illumination, which the
  • General lighting is used and can not produce images, such as a light guide with or without connected to a distal end optics, in particular as already known in principle.
  • a particularly high-resolution image can be emitted from the endoscope tip, which does not need to pass through the shaft and therefore has no blurring associated with a light pipe through the shaft. Consequently, the light guide channel may be designed to be particularly simple and, in particular, non-imaging. Also, this results in only low transmission losses of the light guide in the endoscope tip and a high
  • Projection device any information on the illuminated by the projection device area or object can be projected.
  • the one transported with the picture is
  • information may be information that is immediately detectable to a viewer (e.g., endoscopist). It is a preferred development that the image transports information in the sense of an "augmented reality” or “augmented reality” ("AR image"). Such information may include, for example, medical information.
  • the information conveyed with the image can in particular be patterns for the plastic appearance of tissue structures, cut lines on which (also manually) is to be operated, a highlighting of certain interesting object areas and / or
  • An “image” can thus be understood to mean, in particular, an image by means of which information (in particular "readable” by a viewer) is displayed on the image
  • the image can be a picture-pixel-like image, in particular with a matrix-like arrangement of the image
  • the picture can be used as a particular
  • the shaft of the endoscope may be flexible or rigid.
  • Projection device is thus electrically operated.
  • the projection device has at least one movable mirror for deflecting light irradiated from the light guide channel.
  • Such a projection device has a low loss of light (in particular in comparison to screen-equipped projection devices) and is very compact
  • the movable mirror is at least a scanner level.
  • the projection device can be designed as a so-called “scanning beam” or “flying spot” projector.
  • a “flying spot” projector is an image projector or beamer for
  • the scanner mirror may in particular be a micromechanical (MEMS) mirror.
  • the scanner mirror may in particular be an oscillating mirror.
  • Projection device comprises at least one micromirror actuator (e.g., Digital Micromirror Device, DMD) which provides a separate movable micromirror for each pixel.
  • micromirror actuator e.g., Digital Micromirror Device, DMD
  • the projection device may be a reflective or transmissive projection device which may image a screen (e.g.
  • Liquid crystal screen in particular micro-screen has.
  • Lichtleitkanal connectable light generating device comprises a plurality of light sources, which emit at least red, green or blue light. This allows the projected image to be built up as an RGB image.
  • Light generating device can in particular to a
  • the sum color location can be a color location of a superimposed light beam composed of the individual beams emitted by the light sources.
  • Light generating device is housed in the endoscope head. This results in a high ease of use, since no connected optical fiber needs to be carried along during a movement of the endoscope.
  • the light generating device may in particular be accommodated in a handle assigned to the endoscope head, since there is a comparatively large amount
  • the light generating device may alternatively be arranged outside the endoscope head and connected thereto e.g. be connected via a flexible light guide.
  • Light guide channel connectable light generating device comprises at least one Nutzlichtlichtán. It is another embodiment that one to the
  • Lichtleitkanal connectable light generating device comprises at least one IR light source as a useful light source. This allows use of IR light or infrared light for cutting or sclerosing, e.g. of tissue or
  • the endoscope tip can also be used as an IR cutting tool.
  • the IR light likes on the projection device or on the
  • a light generating device that can be connected to the light guide channel comprises at least one UV light source as a useful light source. By emitting UV light from the endoscope tip, for example, photochemical processes can be stimulated. The UV light may be passed over the projection device or past the projection device.
  • Lichtleitkanal connectable light generating device at least one light source with at least one
  • the at least one excitation wavelength can in particular be for excitation of contrast agents be tuned wavelength or include.
  • such a spatially resolved excitation of contrast agents as well as an intensity-dependent excitation of contrast agents for image quality improvement is made possible.
  • the at least one excitation wavelength can then in particular be adapted to a therapy
  • the light of the at least one excitation wavelength may over the
  • Projection device imagewise projected from the endoscope tip) and reflected light this
  • Possibility of providing a material composition of the illuminated area e.g., cells / tissue / blood
  • a material removal e.g., a tissue removal
  • Light generating device radiated light is passed exclusively through the projection device.
  • Light source of the desired color emitted directly for example, a light emitting diode or a laser diode.
  • the at least one light source may emit broadband light, which is spectrally limited to the desired color by means of a downstream filter. It is a development which is preferred for generating a high efficiency, a high luminous flux, a compact arrangement and a high durability, that the at least one light source is a semiconductor light source, in particular a light-emitting diode or a laser diode.
  • Light generating means comprises a plurality of semiconductor light sources and the semiconductor light sources are disposed on a common module (e.g., laser diode module), e.g. on a common carrier, e.g. Substrate or circuit board.
  • a common module e.g., laser diode module
  • a common carrier e.g. Substrate or circuit board.
  • the module is preferably accommodated in a handle assigned to the endoscope head.
  • a light generating device which can be connected to the light guide channel comprises at least one laser diode.
  • Laser diodes especially red, green and blue
  • Laser diodes allows a precise and bright
  • the heat sink is preferably accommodated in a handle assigned to the endoscope head. It is also an embodiment that the light guide channel has at least one optical waveguide (with one or more fibers). This allows a compact and robust light pipe from the light generating device to the
  • Lichtleitkanal has a lens system for light conduction. Since the imaging is performed by the projection apparatus, the lenses do not need to be imaging lenses, but non-imaging optics may also be used
  • Fresnel lenses or concentrators e.g., CPC, CHC, or CEC, etc. may be used.
  • Projecting device radiated light (in particular one of the radiated from the light sources
  • a camera is housed in the endoscope tip. This improves one
  • a camera may be connected to the endoscope, in particular to the endoscope head.
  • Projection device to prevent, if a light beam emitted by the projection device is not at least partially reflected back into the camera. This allows a suppression of a beam emission from the endoscope tip, if it is not on a (typically reflective) object, but, for example, in the room or a distant object, is directed. So will one
  • the inhibiting may be accomplished, for example, by turning off or turning off the light generating device or the at least one light source and / or blocking the light path from the light generating device to the projection device, e.g. by means of a mobile
  • the running time measurement becomes a
  • Possibility provided to determine a distance of a specific pixel of the projected light or of a pixel associated with the location of the illuminated area or object to the endoscope tip. This can be a
  • Depth information for the pixels of the projected image obtained and thus converted into a three-dimensional image representation, in particular in real time.
  • appropriate evaluation software e.g. In the case of tumor cells, not only their diameter, but their entire volume is determined.
  • Runtime detector for running time measurement, in particular in or on the endoscope tip.
  • Projection device at least one light pattern to radiate and is further adapted to, from a comparison of the means of the projection device
  • radiated light pattern has at least one stripe pattern.
  • the at least one emitted light pattern has at least one Lissaj ous figure.
  • the at least one emitted light pattern has at least one moiré pattern or moiré raster.
  • the endoscope is adapted to a reflectance and / or a
  • an illuminated tissue type can be determined.
  • the endoscope has an energy store (for example battery or battery) for the power supply. This can be connected to a port of a battery
  • Power supply cable are omitted, which simplifies handling of the endoscope.
  • the energy store is preferably accommodated in a handle assigned to the endoscope head.
  • the endoscope has at least one electronics.
  • Electronics can in particular be a driver for controlling the light sources and / or the projection device
  • Video electronics and / or an image evaluation unit exhibit.
  • the electronics are preferably in a
  • Endoscope head associated with the handle and likes
  • a screen or monitor may be connectable to the endoscope, which in particular can display an image recorded by the camera and optionally further information.
  • the endoscope can be used for technical purposes, e.g. for inspections of technical equipment or structures.
  • the endoscope can also be used in particular for medical purposes.
  • the object is also achieved by an endoscope system which has at least one endoscope as described above.
  • the endoscope system may be in particular in addition to the
  • an image evaluation unit (in particular for the calculation of
  • the endoscope system may in particular be coupled to the screen, the image evaluation unit, and / or the electronics for controlling the light source (s) and / or the projection device by means of a wireless data connection (which are components of the endoscope system arranged outside the endoscope) can be dispensed with a related entrainment of cables through the endoscope.
  • the Fig. shows a sectional view in side view of an endoscope 11 in a comparatively simple
  • the endoscope 11 has a shaft 12 with a disposed in a distal end portion 13 of the shaft 12
  • Endoscope tip 14 adjoining a proximal end portion 15 of the shaft 12 endoscope head 16 and a
  • Light guide channel in the form of at least one optical waveguide 17, which extends from the endoscope head 16 to the endoscope tip 14.
  • the endoscope tip 14 is a
  • Projection device in the form of a "flying spot" projectors
  • Endoscope tip 14 to project on an object 0 or area.
  • the endoscope tip 14 is also a camera
  • the camera 19 accommodated to receive at the object 0 reflected light R.
  • the camera 19 can do this to a (not
  • a handle 20 of the endoscope head 16 is connected to the proximal end of the optical waveguide 17
  • Light generating device 21 accommodated which comprises a plurality of light sources, namely at least one red light emitting diode laser diode 22, at least one green light g emitting laser diode 23 and at least one blue light b emitting laser diode 24.
  • the laser diode 22 to 24 are as a module on a common carrier ( o.Fig.).
  • the light r, g, b, is superimposed coupled into the optical waveguide 17.
  • a heat sink 25 for cooling the laser diodes 22 to 24 and possibly also housed in the handle 20 electronics 26 for driving the laser diodes 22 to 24 and the flying spot Proj ector 18 is present.
  • the handle 20 is also an energy storage in the form of a rechargeable battery 27 for powering the endoscope 11th
  • the laser diodes 22 to 24 are activated, and indeed for the irradiation of the flying spot projector 18.
  • the activation of the laser diodes 22 to 24 is controlled by the electronics 26, which eector 18 also the flying spot Proj , in particular its oscillating mirror, drives. Waste heat generated by the laser diodes 22 to 24 is dissipated via the heat sink 25.
  • the red, green and blue light r, g, b generated by the laser diodes 22 to 24 is brought together (for example by means of a corresponding optical system) and guided through the optical waveguide 17 to the flying spot projector 18.
  • the Flying Spot Proj ector 18 generates from this a pixel-like constructed image B, which illuminates the object 0 and can optionally provide information.
  • the endoscope 11 is adapted to prevent a light supply to the flying spot projector 18, if one of the
  • Projection device emitted light beam or image B is not at least partially from an object 0 with non-negligible strength in the camera 19 is reflected back.
  • the blocking takes place here by switching off the laser diodes 22 to 24.
  • the endoscope 11 can be used in particular for medical purposes.
  • the endoscope tip also have multiple cameras.

Landscapes

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

Abstract

L'endoscope (11) comprend une tige (12) pourvue d'une pointe d'endoscope (14) située dans une zone d'extrémité distale (13) de la tige (12), une tête d'endoscope (16), située dans le prolongement d'une zone d'extrémité proximale (15) de la tige (12), ainsi qu'un canal conducteur de lumière (17) qui s'étend de la tête (16) à la pointe (14) de l'endoscope, un dispositif de projection (18) étant logé dans la pointe d'endoscope (14), lequel est raccordé au canal conducteur de lumière (17) et est conçu et agencé pour projeter une image (B) depuis la pointe (14) de l'endoscope.
PCT/EP2012/075815 2011-12-23 2012-12-17 Endoscope WO2013092498A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011089769A DE102011089769A1 (de) 2011-12-23 2011-12-23 Endoskop
DE102011089769.0 2011-12-23

Publications (1)

Publication Number Publication Date
WO2013092498A1 true WO2013092498A1 (fr) 2013-06-27

Family

ID=47469978

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/075815 WO2013092498A1 (fr) 2011-12-23 2012-12-17 Endoscope

Country Status (2)

Country Link
DE (1) DE102011089769A1 (fr)
WO (1) WO2013092498A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3831273A1 (fr) 2019-12-04 2021-06-09 Schott Ag Endoscope, système d'endoscope jetable et source lumineuse pour un endoscope
US11510553B2 (en) 2018-03-29 2022-11-29 Schott Ag Light guide or image guide components for disposable endoscopes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022108725B4 (de) 2022-04-11 2023-11-09 SmartRay GmbH Optische Prüfvorrichtung sowie Baukasten zu seiner Erstellung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6503195B1 (en) 1999-05-24 2003-01-07 University Of North Carolina At Chapel Hill Methods and systems for real-time structured light depth extraction and endoscope using real-time structured light depth extraction
WO2008058671A2 (fr) 2006-11-14 2008-05-22 Osram Gesellschaft mit beschränkter Haftung Dispositif de projection ayant une propriété de projection améliorée
US20080165360A1 (en) * 2007-01-10 2008-07-10 University Of Washington Scanning beam device calibration
US20090054767A1 (en) * 2007-03-14 2009-02-26 Nicholas Alexander Telischak Surgical method and apparatus for identification of fluorescence
DE102009022118A1 (de) 2009-05-20 2010-11-25 Karl Storz Gmbh & Co. Kg Endoskop
DE102009024943A1 (de) * 2009-06-10 2010-12-16 W.O.M. World Of Medicine Ag Bildgebungssystem und Verfahren zur fluoreszenz-optischen Visualisierung eines Objekts

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008018636B4 (de) * 2008-04-11 2011-01-05 Storz Endoskop Produktions Gmbh Vorrichtung und Verfahren zur endoskopischen 3D-Datenerfassung
DE102010004349A1 (de) * 2010-01-11 2011-07-14 Deutsches Zentrum für Luft- und Raumfahrt e.V., 51147 Endoskopisches Instrument sowie medizinisches Gerät

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6503195B1 (en) 1999-05-24 2003-01-07 University Of North Carolina At Chapel Hill Methods and systems for real-time structured light depth extraction and endoscope using real-time structured light depth extraction
WO2008058671A2 (fr) 2006-11-14 2008-05-22 Osram Gesellschaft mit beschränkter Haftung Dispositif de projection ayant une propriété de projection améliorée
US20080165360A1 (en) * 2007-01-10 2008-07-10 University Of Washington Scanning beam device calibration
US20090054767A1 (en) * 2007-03-14 2009-02-26 Nicholas Alexander Telischak Surgical method and apparatus for identification of fluorescence
DE102009022118A1 (de) 2009-05-20 2010-11-25 Karl Storz Gmbh & Co. Kg Endoskop
DE102009024943A1 (de) * 2009-06-10 2010-12-16 W.O.M. World Of Medicine Ag Bildgebungssystem und Verfahren zur fluoreszenz-optischen Visualisierung eines Objekts

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11510553B2 (en) 2018-03-29 2022-11-29 Schott Ag Light guide or image guide components for disposable endoscopes
EP3831273A1 (fr) 2019-12-04 2021-06-09 Schott Ag Endoscope, système d'endoscope jetable et source lumineuse pour un endoscope
US11633090B2 (en) 2019-12-04 2023-04-25 Schott Ag Endoscope, disposable endoscope system and light source for endoscope
EP4437932A2 (fr) 2019-12-04 2024-10-02 Schott Ag Source lumineuse pour un endoscope

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