JP5069589B2 - 内視鏡挿入部 - Google Patents
内視鏡挿入部 Download PDFInfo
- Publication number
- JP5069589B2 JP5069589B2 JP2008059118A JP2008059118A JP5069589B2 JP 5069589 B2 JP5069589 B2 JP 5069589B2 JP 2008059118 A JP2008059118 A JP 2008059118A JP 2008059118 A JP2008059118 A JP 2008059118A JP 5069589 B2 JP5069589 B2 JP 5069589B2
- Authority
- JP
- Japan
- Prior art keywords
- bending
- operation wire
- curved
- ring
- tube 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.)
- Expired - Fee Related
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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
- A61B1/005—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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Description
1b 湾曲管部 1c 可撓管部
10 湾曲リング 11 枢着ピン
20 操作ワイヤ 30 切り絞り部
31 突出部 EG エッジ
Claims (5)
- 少なくとも照明部と観察部とを設けた先端硬質部と、この先端硬質部に連結され、複数の湾曲リングが枢着部により連結された湾曲管部と、この湾曲管部と本体操作部とに連結される可撓管部とを備えた内視鏡挿入部であって、
前記複数の湾曲リングの各湾曲リングは、前記本体操作部からの遠隔操作により前記湾曲管部を湾曲させる操作ワイヤを挿通させるための挿通路を備え、この挿通路を挟んで軸線方向の前後位置に内向きに窪ませた突出部を設けたたこと、を特徴とする内視鏡挿入部。 - 前記突出部に、前記操作ワイヤを常に突出部に当接させるように、前記湾曲リングの円周方向に幅を持たせたこと、を特徴とする請求項1記載の内視鏡挿入部。
- 前記突出部を凹状に形成して、前記操作ワイヤの円周方向の動作を規制していること、を特徴とする請求項1または2記載の内視鏡挿入部。
- 前記突出部の高さをH、前記挿通路の高さをh、前記操作ワイヤの直径をdとしたときに、「H≦h−d」を満たすように、前記突出部の高さを設定したこと、を特徴とする請求項1乃至3の何れか1項に記載の内視鏡挿入部。
- 前記突出部の円周方向の幅をBとして、前記挿通部の幅をbとしたときに、「B≦b」としたこと
を特徴とする請求項1乃至4の何れか1項に記載の内視鏡挿入部。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008059118A JP5069589B2 (ja) | 2008-03-10 | 2008-03-10 | 内視鏡挿入部 |
EP20090003394 EP2100547B1 (en) | 2008-03-10 | 2009-03-09 | Endoscope insertion portion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008059118A JP5069589B2 (ja) | 2008-03-10 | 2008-03-10 | 内視鏡挿入部 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009213602A JP2009213602A (ja) | 2009-09-24 |
JP5069589B2 true JP5069589B2 (ja) | 2012-11-07 |
Family
ID=40707694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008059118A Expired - Fee Related JP5069589B2 (ja) | 2008-03-10 | 2008-03-10 | 内視鏡挿入部 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2100547B1 (ja) |
JP (1) | JP5069589B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012106185A1 (en) * | 2011-01-31 | 2012-08-09 | Boston Scientific Scimed, Inc. | Articulation section with locking |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6330405Y2 (ja) * | 1981-03-30 | 1988-08-15 | ||
JPH0315045Y2 (ja) * | 1985-09-30 | 1991-04-03 | ||
JPH0242241Y2 (ja) * | 1985-10-29 | 1990-11-09 | ||
JPH03218723A (ja) * | 1990-01-24 | 1991-09-26 | Toshiba Corp | 内視鏡 |
JPH03292926A (ja) * | 1990-04-11 | 1991-12-24 | Toshiba Corp | 内視鏡プローブ |
JPH0523291A (ja) * | 1991-07-24 | 1993-02-02 | Machida Endscope Co Ltd | 内視鏡の湾曲管 |
JP3920409B2 (ja) * | 1997-07-02 | 2007-05-30 | ペンタックス株式会社 | 内視鏡の湾曲装置 |
JP2000023908A (ja) * | 1998-07-08 | 2000-01-25 | Sony Corp | 多関節湾曲機構 |
US6482149B1 (en) * | 1999-05-12 | 2002-11-19 | Fuji Photo Optical Co., Ltd. | Curved part of endoscope |
JP2002078674A (ja) * | 2000-09-08 | 2002-03-19 | Fuji Photo Optical Co Ltd | 内視鏡の湾曲部構造 |
JP3600194B2 (ja) * | 2000-10-02 | 2004-12-08 | オリンパス株式会社 | 内視鏡 |
JP4254275B2 (ja) * | 2003-03-03 | 2009-04-15 | フジノン株式会社 | 内視鏡 |
JP2005058571A (ja) * | 2003-08-19 | 2005-03-10 | Fujinon Corp | 内視鏡の撮像ユニット |
JP2009112537A (ja) * | 2007-11-07 | 2009-05-28 | Hoya Corp | 可撓性内視鏡 |
-
2008
- 2008-03-10 JP JP2008059118A patent/JP5069589B2/ja not_active Expired - Fee Related
-
2009
- 2009-03-09 EP EP20090003394 patent/EP2100547B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2100547B1 (en) | 2014-02-12 |
EP2100547A1 (en) | 2009-09-16 |
JP2009213602A (ja) | 2009-09-24 |
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