JPH0180101U - - Google Patents
Info
- Publication number
- JPH0180101U JPH0180101U JP1987176350U JP17635087U JPH0180101U JP H0180101 U JPH0180101 U JP H0180101U JP 1987176350 U JP1987176350 U JP 1987176350U JP 17635087 U JP17635087 U JP 17635087U JP H0180101 U JPH0180101 U JP H0180101U
- Authority
- JP
- Japan
- Prior art keywords
- memory alloy
- alloy wire
- shape memory
- flexible tube
- shape
- 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.)
- Granted
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
第１図Ａ・Ｂは本考案の実施例に係る医療用チ
ユーブの先端部曲げ装置に供される形状記憶合金
線材のコイル形状を示す断面図、第２図は可撓性
チユーブ内にオープンコイル状の形状記憶合金線
材とヒータ手段を設けた状態を示す縦断面図、第
３図は最終的に医療用チユーブに組み立てた状態
を示す横断面図、第４図Ａは形状記憶合金線材の
加熱しない状態を示す説明図、同図Ｂは加熱して
チユーブの先端部が曲がつた状態を示す説明図、
第５図は他例を示す横断面図である。
１……形状記憶合金線材、２……可撓性チユー
ブ、３……ヒータ手段、４……光フアイバー等、
５……断熱材。
FIGS. 1A and 1B are cross-sectional views showing the coil shape of a shape memory alloy wire used in a medical tube tip bending device according to an embodiment of the present invention, and FIG. 2 is an open coil inside a flexible tube. Fig. 3 is a cross-sectional view showing the state in which the shape memory alloy wire is finally assembled into a medical tube, and Fig. 4A is the heating of the shape memory alloy wire. Figure B is an explanatory diagram showing a state in which the tip of the tube is bent due to heating.
FIG. 5 is a cross-sectional view showing another example. 1... Shape memory alloy wire, 2... Flexible tube, 3... Heater means, 4... Optical fiber, etc.
5...Insulation material.
Claims (1)
状が記憶させられた形状記憶合金線材を配設し、
該形状記憶合金線材を加熱変形することにより、
可撓性チユーブの先端部を所定方向に曲げるよう
に構成された装置において、上記形状記憶合金線
材に予め密着コイル形状を記憶させ、該密着コイ
ル状の形状記憶合金線材を所定のピツチ間隔を有
するオープンコイル形状に変形して、可撓性チユ
ーブの内壁面に沿つて配設し、且つ該オープンコ
イル状の形状記憶合金線材にヒータ手段を並設し
たことを特徴とする医療用チユーブの先端部曲げ
装置。 A shape memory alloy wire rod in which a predetermined shape is memorized in advance is arranged along the inner wall surface of the flexible tube,
By heating and deforming the shape memory alloy wire,
In a device configured to bend the tip of a flexible tube in a predetermined direction, the shape memory alloy wire is memorized in advance in a closely coiled shape, and the tightly coiled shape memory alloy wire is arranged at a predetermined pitch interval. A distal end portion of a medical tube deformed into an open coil shape and disposed along the inner wall surface of the flexible tube, and characterized in that a heater means is arranged in parallel to the open coil shape memory alloy wire. bending equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176350U JPH0340243Y2 (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176350U JPH0340243Y2 (en) | 1987-11-20 | 1987-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0180101U true JPH0180101U (en) | 1989-05-30 |
| JPH0340243Y2 JPH0340243Y2 (en) | 1991-08-23 |
Family
ID=31468091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987176350U Expired JPH0340243Y2 (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340243Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57164034A (en) * | 1981-04-02 | 1982-10-08 | Olympus Optical Co | Flexible tube for endoscope |
| JPS58118728A (en) * | 1982-01-05 | 1983-07-14 | オリンパス光学工業株式会社 | Curving apparatus of endoscope |
-
1987
- 1987-11-20 JP JP1987176350U patent/JPH0340243Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57164034A (en) * | 1981-04-02 | 1982-10-08 | Olympus Optical Co | Flexible tube for endoscope |
| JPS58118728A (en) * | 1982-01-05 | 1983-07-14 | オリンパス光学工業株式会社 | Curving apparatus of endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0340243Y2 (en) | 1991-08-23 |
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