JP2012100683A5 - - Google Patents
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- JP2012100683A5 JP2012100683A5 JP2010248889A JP2010248889A JP2012100683A5 JP 2012100683 A5 JP2012100683 A5 JP 2012100683A5 JP 2010248889 A JP2010248889 A JP 2010248889A JP 2010248889 A JP2010248889 A JP 2010248889A JP 2012100683 A5 JP2012100683 A5 JP 2012100683A5
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- bending
- unit
- frame
- bearing
- tilting
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Description
本発明の一局面の態様は、挿入部の先端側に設けた湾曲部の湾曲操作を指示入力する湾曲操作部が、前記挿入部の基端部に連設する操作部に設けられ、先端部が前記湾曲部の所定位置に固定された牽引部材の基端部が前記湾曲操作部に固定され、前記湾曲操作部の操作によって前記牽引部材を介して前記湾曲部を湾曲させる内視鏡の湾曲操作装置において、前記湾曲操作部は、前記湾曲部の湾曲操作を傾倒方向及び傾倒角度を変化させる操作軸の傾倒操作によって行う操作指示手段と、前記操作軸の基端側が固設され、前記操作部を構成するフレームに回動自在に設けられた軸受けと、前記フレームに設けられ、前記軸受けの回転中心を中心とした所定半径の半球面を有する半球形状のガイド面と、前記牽引部材の基端部を固定する前記湾曲操作部の牽引部材固定部に設けられ、前記ガイド面に圧接される弾性体の摩擦部材と、を具備し、前記フレームの前記ガイド面に前記摩擦部材を圧接させた際の摩擦力で、傾倒操作される前記操作軸の傾倒操作位置を保持して前記湾曲部の湾曲状態を維持する摩擦力保持部を設けたことを特徴とする内視鏡の湾曲操作装置である。 One aspect aspect of the invention, the bending operation portion for instructing inputting a bending operation of the bending portion provided on the distal end side of the insertion portion is provided on the operation unit for continuously arranged on the proximal end of the insertion section, the distal end portion A bending of an endoscope in which a base end portion of a traction member fixed at a predetermined position of the bending portion is fixed to the bending operation portion, and the bending portion is bent via the traction member by operation of the bending operation portion. In the operation device, the bending operation unit includes an operation instructing unit that performs an operation of tilting the operation shaft that changes a tilt direction and a tilt angle, and a base end side of the operation shaft. A bearing rotatably provided on a frame constituting the portion, a hemispherical guide surface provided on the frame and having a hemispherical surface with a predetermined radius around the rotation center of the bearing, and a base of the traction member Said curvature to fix the end An elastic friction member that is provided on the pulling member fixing portion of the working portion and is pressed against the guide surface, and is tilted by a frictional force when the friction member is pressed against the guide surface of the frame. An bending operation apparatus for an endoscope, characterized in that a frictional force holding unit that holds a tilting operation position of the operation shaft to be operated and maintains a bending state of the bending unit is provided.
Claims (4)
先端部が前記湾曲部の所定位置に固定された牽引部材の基端部が前記湾曲操作部に固定され、前記湾曲操作部の操作によって前記牽引部材を介して前記湾曲部を湾曲させる内視鏡の湾曲操作装置において、
前記湾曲操作部は、前記湾曲部の湾曲操作を傾倒方向及び傾倒角度を変化させる操作軸の傾倒操作によって行う操作指示手段と、
前記操作軸の基端側が固設され、前記操作部を構成するフレームに回動自在に設けられた軸受けと、
前記フレームに設けられ、前記軸受けの回転中心を中心とした所定半径の半球面を有する半球形状のガイド面と、
前記牽引部材の基端部を固定する前記湾曲操作部の牽引部材固定部に設けられ、前記ガイド面に圧接される弾性体の摩擦部材と、を具備し、
前記フレームの前記ガイド面に前記摩擦部材を圧接させた際の摩擦力で、傾倒操作される前記操作軸の傾倒操作位置を保持して前記湾曲部の湾曲状態を維持する摩擦力保持部を設けたことを特徴とする内視鏡の湾曲操作装置。 Bending operation portion for inputting an instruction bending operation of the bending portion provided on the distal end side of the insertion portion is provided on the operation unit for continuously arranged on the proximal end of the insertion section,
An endoscope in which a proximal end portion of a traction member having a distal end portion fixed at a predetermined position of the bending portion is fixed to the bending operation portion, and the bending portion is bent via the traction member by operation of the bending operation portion. In the bending operation device of
The bending operation unit includes an operation instruction unit that performs a bending operation of the bending unit by a tilting operation of an operation shaft that changes a tilting direction and a tilting angle;
A base end side of the operation shaft is fixed, and a bearing rotatably provided on a frame constituting the operation unit;
A hemispherical guide surface provided on the frame and having a hemispherical surface with a predetermined radius around the rotation center of the bearing;
An elastic friction member provided at a traction member fixing portion of the bending operation portion that fixes a base end portion of the traction member, and being in pressure contact with the guide surface;
A friction force holding portion is provided that maintains a bending state of the bending portion by holding a tilting operation position of the operation shaft to be tilted by a friction force when the friction member is pressed against the guide surface of the frame. An endoscope bending operation apparatus characterized by the above.
前記操作指示手段は、少なくとも前記牽引部材固定部と前記摩擦部材とが弾性体で一体成形された一体成形体を有する
ことを特徴とする請求項１に記載の内視鏡の湾曲操作装置。 The frame has a resin frame formed of a resin material,
The bending operation apparatus for an endoscope according to claim 1, wherein the operation instructing unit includes an integral molded body in which at least the pulling member fixing portion and the friction member are integrally molded with an elastic body.
前記第１の支え部および前記第２の支え部と前記軸受けとの接触部に摩擦力を発生させながら摺動し、前記湾曲部の湾曲状態を維持する摩擦力保持面を有する
ことを特徴とする請求項１に記載の内視鏡の湾曲操作装置。 The frame includes a first support portion that rotatably supports the bearing from a side opposite to the operation instruction means, and a first support portion that rotatably supports the bearing from a side opposite to the first support portion. 2 support parts,
A friction force holding surface that slides while generating a frictional force at a contact portion between the first support portion and the second support portion and the bearing, and maintains a bending state of the bending portion. The bending operation apparatus for an endoscope according to claim 1.
前記挿入部の先端側に設けられ、前記挿入部を湾曲操作する湾曲部と、
前記挿入部の基端部に連接された操作部と、
前記操作部に設けられ、前記湾曲部の湾曲操作を指示する湾曲操作部と、
を備え、
前記湾曲操作部は、前記湾曲部の湾曲操作を傾倒方向及び傾倒角度を変化させる操作軸の傾倒操作によって行う操作指示手段と、
前記操作軸の基端側が固設され、前記操作部を構成するフレームに回動自在に設けられた軸受けと、
前記フレームに設けられ、前記軸受けの回転中心を中心とした所定半径の半球面を有する半球形状のガイド面と、
前記牽引部材の基端部を固定する前記湾曲操作部の牽引部材固定部に設けられ、前記ガイド面に圧接される弾性体の摩擦部材と、を具備し、
前記フレームの前記ガイド面に前記摩擦部材を圧接させた際の摩擦力で、傾倒操作される前記操作軸の傾倒操作位置を保持して前記湾曲部の湾曲状態を維持する摩擦力保持部を設けたことを特徴とする内視鏡装置。 An insertion part to be inserted into the subject;
A bending portion that is provided on a distal end side of the insertion portion and performs a bending operation on the insertion portion;
An operation unit connected to the proximal end of the insertion unit;
A bending operation unit provided in the operation unit and instructing a bending operation of the bending unit;
With
The bending operation unit includes an operation instruction unit that performs a bending operation of the bending unit by a tilting operation of an operation shaft that changes a tilting direction and a tilting angle;
A base end side of the operation shaft is fixed, and a bearing rotatably provided on a frame constituting the operation unit;
A hemispherical guide surface provided on the frame and having a hemispherical surface with a predetermined radius around the rotation center of the bearing;
An elastic friction member provided at a traction member fixing portion of the bending operation portion that fixes a base end portion of the traction member, and being in pressure contact with the guide surface;
A friction force holding portion is provided that maintains a bending state of the bending portion by holding a tilting operation position of the operation shaft to be tilted by a friction force when the friction member is pressed against the guide surface of the frame. An endoscope apparatus characterized by that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010248889A JP5513347B2 (en) | 2010-11-05 | 2010-11-05 | Endoscope bending operation device and endoscope device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010248889A JP5513347B2 (en) | 2010-11-05 | 2010-11-05 | Endoscope bending operation device and endoscope device using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012100683A JP2012100683A (en) | 2012-05-31 |
| JP2012100683A5 true JP2012100683A5 (en) | 2013-12-12 |
| JP5513347B2 JP5513347B2 (en) | 2014-06-04 |
Family
ID=46391891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010248889A Active JP5513347B2 (en) | 2010-11-05 | 2010-11-05 | Endoscope bending operation device and endoscope device using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5513347B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682529B (en) * | 2013-11-07 | 2018-05-25 | 奥林巴斯株式会社 | Endoscope |
| JP2016221025A (en) * | 2015-06-01 | 2016-12-28 | オリンパス株式会社 | Endoscope apparatus |
| JP2016221024A (en) * | 2015-06-01 | 2016-12-28 | オリンパス株式会社 | Endoscope apparatus |
| CN114748020B (en) * | 2022-04-22 | 2022-12-06 | 湖南省华芯医疗器械有限公司 | Endoscope butt joint structure, endoscope handle and endoscope |
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2010
- 2010-11-05 JP JP2010248889A patent/JP5513347B2/en active Active
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