JP6223635B2 - 内視鏡 - Google Patents
内視鏡 Download PDFInfo
- Publication number
- JP6223635B2 JP6223635B2 JP2017519952A JP2017519952A JP6223635B2 JP 6223635 B2 JP6223635 B2 JP 6223635B2 JP 2017519952 A JP2017519952 A JP 2017519952A JP 2017519952 A JP2017519952 A JP 2017519952A JP 6223635 B2 JP6223635 B2 JP 6223635B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- hardness
- coil pipe
- outer skin
- insertion portion
- 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
Images
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
-
- 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
-
- 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
- A61B1/00078—Insertion part of the endoscope body with stiffening means
-
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0057—Constructional details of force transmission elements, e.g. control wires
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
-
- 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
- A61B1/00131—Accessories for endoscopes
- A61B1/00133—Drive units for endoscopic tools inserted through or with the endoscope
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
Claims (5)
- 細長に形成された挿入部と、
細線を管状に編組することにより形成され、前記挿入部の内部に筒状に設けられた網状管と、
前記挿入部の内部に挿通される、素線を巻回して形成されたコイルと、このコイルの内部に挿通される、素線を撚り合わせて形成されたワイヤとを備え、前記ワイヤを牽引することで前記コイルに圧縮力を加えて前記挿入部の曲げ硬さを調整する硬度変更機構と、
を備えており、
前記網状管において前記細線間に生じる隙間の寸法を、前記ワイヤの直径よりも小さく、かつ前記ワイヤの前記素線の直径よりも大きく設定する
ことを特徴とする内視鏡。 - 前記網状管において前記細線間に生じる隙間の寸法を、前記コイルの直径および前記コイルにおける前記素線の直径よりも小さく設定する
ことを特徴とする請求項1に記載の内視鏡。 - 前記網状管の外周を覆う、樹脂にて形成された外皮をさらに備え、前記コイルの前記素線の硬度を前記外皮の硬度より低く設定する
ことを特徴とする請求項2に記載の内視鏡。 - 前記網状管の外周を覆う、樹脂にて形成された外皮をさらに備え、前記ワイヤの前記素線の硬度を前記外皮の硬度より低く設定する
ことを特徴とする請求項1に記載の内視鏡。 - 前記ワイヤは、前記挿入部の基端側に設けられた牽引機構部により牽引される
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 |
---|---|---|---|
JP2015227904 | 2015-11-20 | ||
JP2015227904 | 2015-11-20 | ||
PCT/JP2016/084050 WO2017086372A1 (ja) | 2015-11-20 | 2016-11-17 | 内視鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6223635B2 true JP6223635B2 (ja) | 2017-11-01 |
JPWO2017086372A1 JPWO2017086372A1 (ja) | 2017-11-24 |
Family
ID=58719021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017519952A Active JP6223635B2 (ja) | 2015-11-20 | 2016-11-17 | 内視鏡 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10799091B2 (ja) |
EP (1) | EP3366189A1 (ja) |
JP (1) | JP6223635B2 (ja) |
CN (1) | CN108348138A (ja) |
WO (1) | WO2017086372A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018207514A1 (ja) * | 2017-05-10 | 2018-11-15 | オリンパス株式会社 | 内視鏡 |
JP6402285B1 (ja) * | 2017-05-10 | 2018-10-10 | オリンパス株式会社 | 内視鏡 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5788714A (en) * | 1995-08-14 | 1998-08-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Flexible tube for an endoscope |
JP3776557B2 (ja) | 1997-04-10 | 2006-05-17 | オリンパス株式会社 | 内視鏡 |
US6013047A (en) * | 1997-06-19 | 2000-01-11 | Hewlett-Packard Company | Method and apparatus for prevention of fluid intrusion in a probe shaft |
JP3938624B2 (ja) * | 1997-12-18 | 2007-06-27 | オリンパス株式会社 | 内視鏡及び内視鏡用硬度調整装置 |
JP4061011B2 (ja) * | 2000-06-30 | 2008-03-12 | オリンパス株式会社 | 内視鏡 |
JP2002017658A (ja) * | 2000-07-12 | 2002-01-22 | Olympus Optical Co Ltd | 内視鏡 |
JP2006055664A (ja) * | 2005-11-07 | 2006-03-02 | Olympus Corp | 内視鏡 |
US8083879B2 (en) * | 2005-11-23 | 2011-12-27 | Intuitive Surgical Operations, Inc. | Non-metallic, multi-strand control cable for steerable instruments |
JP2007325748A (ja) * | 2006-06-08 | 2007-12-20 | Pentax Corp | 内視鏡 |
JP5054251B2 (ja) * | 2010-04-26 | 2012-10-24 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
JP5917467B2 (ja) | 2013-09-26 | 2016-05-18 | 富士フイルム株式会社 | 内視鏡 |
-
2016
- 2016-11-17 JP JP2017519952A patent/JP6223635B2/ja active Active
- 2016-11-17 CN CN201680066336.5A patent/CN108348138A/zh active Pending
- 2016-11-17 EP EP16866373.0A patent/EP3366189A1/en not_active Withdrawn
- 2016-11-17 WO PCT/JP2016/084050 patent/WO2017086372A1/ja active Application Filing
-
2018
- 2018-05-14 US US15/978,256 patent/US10799091B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10799091B2 (en) | 2020-10-13 |
JPWO2017086372A1 (ja) | 2017-11-24 |
WO2017086372A1 (ja) | 2017-05-26 |
EP3366189A1 (en) | 2018-08-29 |
US20180256010A1 (en) | 2018-09-13 |
CN108348138A (zh) | 2018-07-31 |
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