EP3727127A1 - Videoendoskop - Google Patents
VideoendoskopInfo
- Publication number
- EP3727127A1 EP3727127A1 EP18826199.4A EP18826199A EP3727127A1 EP 3727127 A1 EP3727127 A1 EP 3727127A1 EP 18826199 A EP18826199 A EP 18826199A EP 3727127 A1 EP3727127 A1 EP 3727127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- video endoscope
- tubular sleeve
- image converter
- signal line
- 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.)
- Withdrawn
Links
- 239000004020 conductor Substances 0.000 description 17
- 230000007704 transition Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
-
- 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
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00179—Optical arrangements characterised by the viewing angles for off-axis viewing
-
- 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
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00183—Optical arrangements characterised by the viewing angles for variable viewing angles
-
- 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
- A61B1/04—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
-
- 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
-
- 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
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
- A61B2562/166—Details of sensor housings or probes; Details of structural supports for sensors the sensor is mounted on a specially adapted printed circuit board
Definitions
- the invention relates to a video endoscope, comprising an elongate shaft having a distal end and a proximal end, a lens disposed at the distal end of the shaft, and at least one image converter disposed proximal to the lens in the shaft, wherein the at least one image converter of a tubular sleeve which is arranged rotatably in the shaft about a longitudinal axis of the shaft, and wherein the at least one image converter is connected via a flexible signal line with a connection element arranged at the proximal end of the shaft
- Video endoscopes are used in medicine and technology to study hard-to-reach cavities.
- endoscopes have an elongate shaft with a proximal end, that is arranged close to the user, and a distal end, that is to say remote from the user.
- the shaft can be flexible or rigid.
- a lens is arranged, which images an image of the cavity to be examined on an electronic image converter.
- the image converter converts this image into electrical video signals.
- the image converter may be, for example, a CCD or CMOS chip.
- the video signals generated by the image converter are conducted via a signal line to the proximal end of the shaft, where they are output via a connection element, if necessary after an electronic preprocessing.
- the endoscope shaft is rotated about its longitudinal axis during use, for example to obtain a better viewing angle to a detail of interest, then the horizon position of a video image reproduced from the video data is rotated
- the image converter is often rotatably mounted in the shaft about the longitudinal axis of the shaft.
- the image converter is mounted in a tubular sleeve, which in turn is rotatably mounted in the shaft. The rotation of the sleeve can
- a magnetic coupling which is the rotation of a Rotary ring arranged outside of the shaft transmits through the shaft to the tubular sleeve.
- the connecting element at the proximal end of the shaft is usually hermetically sealed to the proximal end of the shaft and thus can not rotate with the tubular sleeve. Therefore, between the image converter and the
- Connection element used a flexible signal line.
- a corresponding video endoscope is known, for example, from DE102007009292A1.
- a video endoscope comprising an elongated shaft having a distal end and a proximal end, a lens disposed at the distal end of the shaft, and at least one image converter disposed proximal to the lens in the shaft, wherein the at least one image converter is surrounded by a tubular sleeve which is arranged rotatably in the shaft about a longitudinal axis of the shaft, and wherein the at least one image converter is connected via a flexible signal line to a connection element arranged at the proximal end of the shaft, which is further developed thereby; that the flexible signal line is releasably secured in the tubular sleeve by means of a position securing element.
- the flexible signal line may comprise a flexible printed circuit board. Flexible printed circuit boards are easier to contact than cables, for example, and at the same time have a smoother
- a video endoscope according to the invention may comprise two image transducers arranged in a common tubular sleeve.
- two imagers are used in 3D video endoscopes to enable stereo endoscopic imaging.
- the connection points of the image converter with the signal lines are particularly sensitive because of the cramped space.
- the flexible signal line of a corresponding video endoscope may comprise a separate flexible printed circuit board for each image converter.
- the position securing element can be inserted from the outside into the tubular sleeve.
- the position securing element can be introduced particularly simply after the connection of the flexible signal line to the image converter, in order to fix the signal line.
- the position securing element may have a slot-shaped receptacle for the at least one flexible printed circuit board.
- the position securing element can then be inserted into the tubular sleeve in such a way that the slot-shaped receptacle slides over the flexible printed circuit board and fixes it in the process.
- the position assurance element may consist of two sub-elements, which deform so elastically when inserted into the tubular sleeve, preferably mutually, that the at least one flexible circuit board is fixed non-positively in the slot-shaped receptacle.
- opposing walls of the slit-shaped receptacle of a partial element can be compressed by the other partial element, whereby the flexible circuit board is clamped between the walls.
- Each of the two sub-elements may have a slot-shaped receptacle for a flexible printed circuit board. It may then be first used in the tubular sleeve so that the slot-shaped receptacle of the first sub-element engages over a first flexible circuit board, the first sub-element. Subsequently, the second sub-element can be used so that the slot-shaped receptacle of the second sub-element engages over a second flexible printed circuit board.
- one of the two sub-elements may have two slot-shaped receptacles for each flexible printed circuit board.
- the second sub-element is used in this case only for elastic deformation of the first sub-element to fix the flexible circuit boards in this.
- Fig. 5 a sectional view through another video endoscope
- FIG. 1 shows a video endoscope 1.
- the video endoscope 1 has a
- a handle 5 is arranged, by means of which the
- Video endoscope 1 can be held and operated.
- an unillustrated lens is arranged, the viewing direction is aligned in the direction of the arrow 6.
- the viewing direction of the lens can be rotated about its longitudinal axis.
- a rotary ring 7 serves to control the horizon position of an image taken by the video endoscope 1.
- the video signals generated by the video endoscope 1 are output via a cable 8.
- Figure 2 the internal structure of the video endoscope 1 is shown schematically.
- the distal end 3 of the shaft 2 is hermetically sealed by a window 10.
- a distal lens assembly 11 Behind the window 10 is a distal lens assembly 11, which is a
- Prism assembly 12 and a lens 13 includes.
- the distal lens assembly 1 1 is rotatably connected to the shaft 2.
- a tubular sleeve 15 is provided in the shaft 2, which is rotatable about a longitudinal axis of the shaft 2.
- the tubular sleeve is coupled via magnets 16 with the rotary ring 7 such that rotation of the rotary ring 7 is transmitted to the tubular sleeve 15 about the longitudinal axis of the video endoscope 1.
- a proximal objective part 17 and an electronic image converter 18 are mounted in the tubular sleeve 15 in a rotating manner.
- a flexible signal line 19 connects the image sensor 18 with a connection element 20 at the proximal end 4 of the shaft 2.
- the connection element 20 is inserted hermetically sealed into the shaft 2.
- Signal processing unit 21 processes the signals and outputs them via a cable 8.
- the user can rotate the handle s. It also rotates firmly with this connected shaft 2 and the distal lens assembly 11. In order not to lose the horizon position of the image, the user keeps the rotating ring 7 so that it does not rotate. Accordingly, the tubular sleeve 15 is not rotated with the proximal lens assembly 17 and the image converter 18, and the horizon position of the recorded image remains constant.
- a position securing element 25 is provided which removably fixes the signal line 19 in the tubular sleeve 15.
- the torsional forces in the signal line 19 are received by the position-securing element 25 and delivered to the tubular sleeve 15, without any connection points of the signal line are loaded with the image converter.
- the position assurance element 25 is designed to be detachable to allow disassembly of the video endoscope 1, for example, for maintenance purposes.
- connection points of the signal line 19 with the connection element 20 are likewise loaded by the torsion of the signal line 19. However, in the area of
- FIG. 3 the internal structure of another video endoscope 100 according to the invention is shown in fragmentary form.
- FIGS. 4a to 4d show sectional views of the video endoscope shown in FIG. 3 along the planes A-A (FIG. 4a), B-B (FIG. 4b), C-C (FIG. 4c) and D-D (FIG. 4d).
- the video endoscope 100 which is embodied as a stereo video endoscope, in turn comprises a shaft 101 and a tubular sleeve 102 rotatably mounted in the shaft 101.
- a tubular sleeve 102 In the tubular sleeve 102, there are two proximal lens sections
- Prism blocks 103,104 arranged parallel to each other, of which only the prism block 103 in Figure 3 is visible.
- the prism blocks deflect beam paths coming from a distal lens section, not shown, by 90 ° onto two image converters 105, 106, of which only image converter 105 is visible in FIG.
- the prism blocks 103, 104 and the image converters 105, 106 are fastened to a support element 107, which is connected in rotation to the tubular sleeve 102.
- the support member 107 additionally acts as a heat sink and heat sink for the electrical heat loss of the image converter 105,106.
- the image sensors 105, 106 are connected to pre-circuits 108, 109, which
- the video signals are passed via transition printed circuit boards 1 10.1 1 1 to flexible signal conductors 1 12,113, which extend to the proximal end of the shaft 101, not shown. Of the signal conductors 1 12.1 13, only the signal conductor 1 13 in Figure 3 is visible.
- the signal conductors 112, 113 are designed as flexible printed circuit boards.
- the transition printed circuit boards 1 10.1 1 1 and the signal conductors 1 12.1 13 each carry a plurality of individual conductor tracks, which are not shown for clarity. In a connection region 1 14, the conductor tracks of the signal conductors 1 12,1 13 are soldered to the printed conductors of the transition printed circuit boards 1 10,11 1 connected.
- transition printed circuit boards 1 10.1 1 1 are angled in their proximal region by an angle of approximately 90 ° to the longitudinal axis of the video endoscope 100 out.
- the signal conductors 112, 113 can be as close as possible to the longitudinal axis of the video endoscope 100
- the signal conductors 1 12,1 13 are twisted.
- the signal conductors 112, 113 are proximal to the latter
- Position assurance element 115 consists of two sub-elements 118,117, which are inserted from opposite sides into the sleeve 102.
- the sub-elements 118,117 each have a slot-shaped receptacle 1 18,1 19, which each receive one of the signal conductors 112,113.
- the sub-elements 116.1 17 are designed so that they deform each other elastically when inserted into the sleeve 102.
- the signal conductors 1 12.1 13 in the slot-shaped receptacles 1 18,119 fixed non-positively.
- the sub-elements 118,117 have mushroom-shaped extensions 120,121, which on the one hand prevent too deep insertion of the sub-elements 1 16,17 into the sleeve 102, and on the other hand simplify removal of the sub-elements 1 18,17 from the sleeve 102 when the video endoscope 100 is to be dismantled for maintenance or repair purposes.
- the sub-elements 118,117 can be made for example by injection molding of a plastic material.
- the plastic material should be as little as possible abrasive to damage the signal conductor 1 12.1 13 during assembly or disassembly of the
- FIG. 5 another video endoscope 200 is shown in section, which largely corresponds to the video endoscope 100.
- FIG. 5 shows a section through a plane which corresponds to the plane D - D of FIG.
- Corresponding elements are in the Figure provided with a reference number increased by 100 and will not be explained again in detail.
- the video endoscope 200 differs from the video endoscope 100 in that here the partial element 216 has two slot-shaped receptacles 218, 219, which receive the signal conductors 212, 212.
- the partial element 217 has a wide receptacle 225, which encompasses the entire partial element 216 and thereby fixes the signal conductors 212, 233 in a force-locking manner.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (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)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017131171.8A DE102017131171A1 (de) | 2017-12-22 | 2017-12-22 | Videoendoskop |
| PCT/EP2018/083836 WO2019121042A1 (de) | 2017-12-22 | 2018-12-06 | Videoendoskop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3727127A1 true EP3727127A1 (de) | 2020-10-28 |
Family
ID=64899244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18826199.4A Withdrawn EP3727127A1 (de) | 2017-12-22 | 2018-12-06 | Videoendoskop |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11426057B2 (de) |
| EP (1) | EP3727127A1 (de) |
| JP (1) | JP6960538B2 (de) |
| DE (1) | DE102017131171A1 (de) |
| WO (1) | WO2019121042A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017123896A1 (de) * | 2017-10-13 | 2019-04-18 | Olympus Winter & Ibe Gmbh | Optisches System für ein Stereo-Videoendoskop |
| DE102023112524A1 (de) | 2023-05-10 | 2024-11-14 | Olympus Winter & Ibe Gmbh | Anordnung zum Schutz elektrischer Anschlüsse einer elektrischen Übertragungsleitung innerhalb eines Schafts eines Endoskops und ein Endoskop |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3580869B2 (ja) * | 1994-09-13 | 2004-10-27 | オリンパス株式会社 | 立体視内視鏡 |
| JPH10258034A (ja) * | 1997-03-19 | 1998-09-29 | Olympus Optical Co Ltd | 内視鏡用撮像装置 |
| DE19955229C1 (de) * | 1999-11-17 | 2001-08-09 | Winter & Ibe Olympus | Endoskop mit distaler Videokamera und Kameradreheinrichtung |
| DE102004023866B3 (de) * | 2004-05-12 | 2006-02-23 | Olympus Winter & Ibe Gmbh | Videoendoskop mit Verbindungsleitern |
| US7540153B2 (en) | 2006-02-27 | 2009-06-02 | Mitsubishi Heavy Industries Ltd. | Combustor |
| JP2010506669A (ja) * | 2006-10-20 | 2010-03-04 | フェムスイート, エルエルシー | 光学外科用デバイスおよびその使用方法 |
| DE102007009292A1 (de) | 2007-02-16 | 2008-08-21 | Karl Storz Gmbh & Co. Kg | Videoendoskop |
| DE102007026234A1 (de) * | 2007-05-31 | 2008-12-04 | Karl Storz Gmbh & Co. Kg | Videoendoskop |
| CN105920717B (zh) * | 2011-05-27 | 2019-05-21 | 科纳维医疗有限公司 | 具有流体旋转接头的医疗探针 |
| DE102012017589A1 (de) * | 2012-09-06 | 2014-03-06 | Olympus Winter & Ibe Gmbh | Leiterbahnträger |
| US10616491B2 (en) * | 2013-02-01 | 2020-04-07 | Deka Products Limited Partnership | Endoscope with pannable camera and related method |
| CN105338883A (zh) * | 2013-03-15 | 2016-02-17 | 奥利弗医疗公司 | 用于刚性联接的图像传感器和内窥镜的机械图像旋转 |
| EP3119265B1 (de) * | 2014-03-21 | 2019-09-11 | DePuy Synthes Products, Inc. | Kartenrandstecker für abbildungssensoren |
| DE102014209980B4 (de) | 2014-05-26 | 2021-06-17 | Olympus Winter & Ibe Gmbh | Videoendoskop |
| DE102014212712A1 (de) * | 2014-07-01 | 2016-01-07 | Olympus Winter & Ibe Gmbh | Videoendoskop mit flexibler Leiterplatine |
| JP6595232B2 (ja) * | 2015-07-02 | 2019-10-23 | ソニー・オリンパスメディカルソリューションズ株式会社 | 内視鏡用撮像装置、内視鏡装置、及び内視鏡用ケーブル |
| US11445890B2 (en) * | 2017-08-17 | 2022-09-20 | David M Schreck | Modular endoscope |
-
2017
- 2017-12-22 DE DE102017131171.8A patent/DE102017131171A1/de not_active Withdrawn
-
2018
- 2018-12-06 EP EP18826199.4A patent/EP3727127A1/de not_active Withdrawn
- 2018-12-06 WO PCT/EP2018/083836 patent/WO2019121042A1/de not_active Ceased
- 2018-12-06 US US16/957,034 patent/US11426057B2/en active Active
- 2018-12-06 JP JP2020534502A patent/JP6960538B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP6960538B2 (ja) | 2021-11-05 |
| DE102017131171A1 (de) | 2019-06-27 |
| US20200390317A1 (en) | 2020-12-17 |
| US11426057B2 (en) | 2022-08-30 |
| WO2019121042A1 (de) | 2019-06-27 |
| JP2021506497A (ja) | 2021-02-22 |
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