JP6257852B2 - 内視鏡 - Google Patents
内視鏡 Download PDFInfo
- Publication number
- JP6257852B2 JP6257852B2 JP2017523932A JP2017523932A JP6257852B2 JP 6257852 B2 JP6257852 B2 JP 6257852B2 JP 2017523932 A JP2017523932 A JP 2017523932A JP 2017523932 A JP2017523932 A JP 2017523932A JP 6257852 B2 JP6257852 B2 JP 6257852B2
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- distal end
- fiber bundle
- endoscope
- guide fiber
- 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.)
- Active
Links
- 238000003780 insertion Methods 0.000 claims description 63
- 230000037431 insertion Effects 0.000 claims description 63
- 239000000835 fiber Substances 0.000 claims description 54
- 238000003384 imaging method Methods 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 23
- 238000005452 bending Methods 0.000 description 16
- 238000005286 illumination Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
- A61B1/00167—Details of optical fibre bundles, e.g. shape or fibre distribution
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/0011—Manufacturing of endoscope parts
-
- 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
- A61B1/00188—Optical arrangements with focusing or zooming features
-
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
-
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral 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
- A61B1/06—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
- A61B1/07—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 using light-conductive means, e.g. 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
- G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
-
- 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
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3616—Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench
- G02B6/3624—Fibre head, e.g. fibre probe termination
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Manufacturing & Machinery (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
Semiconductor;相補性金属酸化膜半導体)型イメージセンサーなどの撮像素子によって構成されるユニットである。
PTFE)等を素材とするチューブ部材が適用される。
Claims (6)
- 挿入部の先端に設けられ、内部から外部へと貫通する貫通孔を有する先端硬性部と、
前記挿入部の内部に設けられ、先端が前記貫通孔に挿入された状態で固定された長尺の撮像部と、
前記挿入部の内部に設けられ、先端の外形が前記挿入部内の他の構造物に応じて予め規定された形状となるように成形された先端成形部を有し、前記先端成形部が前記貫通孔に挿入固定され、基端部から先端側の所定の分岐部までが1本の束で形成され、前記所定の分岐部よりも先端側は複数本の束に分岐して形成されたライトガイドファイバー束と、
前記先端成形部から前記所定の分岐部までの前記複数本の束をそれぞれ被覆する複数本の延伸多孔質ポリテトラフルオロエチレン製の第1の被覆チューブと、
前記所定の分岐部から前記基端部までの前記1本の束を被覆し延伸多孔質ポリテトラフルオロエチレンと異なる材質の1本の第2の被覆チューブと、
を備えたことを特徴とする内視鏡。 - 前記ライトガイドファイバー束の前記先端成形部は、先端の外形が非円形状に成形されていることを特徴とする請求項1に記載の内視鏡。
- 前記ライトガイドファイバー束の前記所定の分岐部よりも先端側に形成された前記複数本の束は、前記複数本の束における各束の断面を円形に形成した場合の直径に対して短径が前記直径の90%以下となるように前記第1の被覆チューブを介して前記撮像部によって圧迫されて配設されていることを特徴とする請求項1に記載の内視鏡。
- 前記撮像部は、イメージガイドファイバー束であることを特徴とする請求項1に記載の内視鏡。
- 前記撮像部の外皮は、延伸多孔質ポリテトラフルオロエチレン製であることを特徴とする請求項1に記載の内視鏡。
- 前記第2の被覆チューブは、シリコーン製であることを特徴とする請求項1に記載の内視鏡。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016004475 | 2016-01-13 | ||
JP2016004475 | 2016-01-13 | ||
PCT/JP2016/079987 WO2017122399A1 (ja) | 2016-01-13 | 2016-10-07 | 内視鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6257852B2 true JP6257852B2 (ja) | 2018-01-10 |
JPWO2017122399A1 JPWO2017122399A1 (ja) | 2018-01-18 |
Family
ID=59310997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017523932A Active JP6257852B2 (ja) | 2016-01-13 | 2016-10-07 | 内視鏡 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10478049B2 (ja) |
JP (1) | JP6257852B2 (ja) |
CN (1) | CN108463154B (ja) |
WO (1) | WO2017122399A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110471175A (zh) * | 2018-05-09 | 2019-11-19 | 富士胶片株式会社 | 内窥镜 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201701355D0 (en) * | 2017-01-27 | 2017-03-15 | Renishaw Plc | Direct laser writing and chemical etching |
Family Cites Families (35)
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JPS6024324Y2 (ja) * | 1977-07-08 | 1985-07-20 | オリンパス光学工業株式会社 | 内視鏡 |
EP0100517B1 (en) * | 1982-07-31 | 1990-12-27 | Sumitomo Electric Industries Limited | Optical fiber sensor |
JPS6354117U (ja) * | 1986-09-26 | 1988-04-12 | ||
US5002359A (en) | 1990-05-22 | 1991-03-26 | W. L. Gore & Associates, Inc. | Buffered insulated optical waveguide fiber cable |
US5159920A (en) * | 1990-06-18 | 1992-11-03 | Mentor Corporation | Scope and stent system |
US5182785A (en) * | 1991-10-10 | 1993-01-26 | W. L. Gore & Associates, Inc. | High-flex optical fiber coil cable |
US5695447A (en) * | 1993-03-16 | 1997-12-09 | Olympus Optical Company, Ltd. | Endoscope system including endoscope and disposable protection cover |
JP3537180B2 (ja) * | 1994-05-17 | 2004-06-14 | オリンパス株式会社 | カバー方式内視鏡 |
JP3485662B2 (ja) * | 1995-01-11 | 2004-01-13 | オリンパス株式会社 | カバー式内視鏡 |
US5634790A (en) * | 1995-06-07 | 1997-06-03 | Lares Research | Video dental medical instrument |
US20040220451A1 (en) * | 1996-10-04 | 2004-11-04 | Dietrich Gravenstein | Imaging scope |
US20050182297A1 (en) * | 1996-10-04 | 2005-08-18 | Dietrich Gravenstein | Imaging scope |
JPH1156763A (ja) * | 1997-08-21 | 1999-03-02 | Olympus Optical Co Ltd | 内視鏡 |
EP1152684B1 (de) * | 1999-02-18 | 2003-12-17 | Karl Storz GmbH & Co. KG | Endoskop |
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US7373197B2 (en) * | 2000-03-03 | 2008-05-13 | Intramedical Imaging, Llc | Methods and devices to expand applications of intraoperative radiation probes |
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US7582057B2 (en) * | 2004-02-24 | 2009-09-01 | Japan Atomic Energy Research Institute | Endoscopic system using an extremely fine composite optical fiber |
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DE102010056025A1 (de) * | 2010-12-27 | 2012-06-28 | Olympus Winter & Ibe Gmbh | Endoskop mit einem Schaftrohr |
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-
2016
- 2016-10-07 CN CN201680078192.5A patent/CN108463154B/zh active Active
- 2016-10-07 JP JP2017523932A patent/JP6257852B2/ja active Active
- 2016-10-07 WO PCT/JP2016/079987 patent/WO2017122399A1/ja active Application Filing
-
2018
- 2018-07-11 US US16/032,136 patent/US10478049B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110471175A (zh) * | 2018-05-09 | 2019-11-19 | 富士胶片株式会社 | 内窥镜 |
Also Published As
Publication number | Publication date |
---|---|
CN108463154A (zh) | 2018-08-28 |
JPWO2017122399A1 (ja) | 2018-01-18 |
CN108463154B (zh) | 2021-02-26 |
WO2017122399A1 (ja) | 2017-07-20 |
US10478049B2 (en) | 2019-11-19 |
US20180325361A1 (en) | 2018-11-15 |
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