JPH0442838U - - Google Patents
Info
- Publication number
- JPH0442838U JPH0442838U JP8412590U JP8412590U JPH0442838U JP H0442838 U JPH0442838 U JP H0442838U JP 8412590 U JP8412590 U JP 8412590U JP 8412590 U JP8412590 U JP 8412590U JP H0442838 U JPH0442838 U JP H0442838U
- Authority
- JP
- Japan
- Prior art keywords
- memory alloy
- shape memory
- member made
- view
- catheter
- 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 4
- 238000005452 bending Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
Description
第１図ないし第７図は本考案の第１の実施例を
示し、第１図はカテーテルの正面図、第２図は第
１図中Ａ−Ａ線に沿う断面図、第３図は第１図の
カテーテルを構成するＳＭＡワイヤ等が装着され
た内部チユーブの斜視図、第４図は通電制御部に
接続された第１図のカテーテルの概略図、第５図
はＳＭＡワイヤとリード線とを接続する連結部と
しての一例を示す真鍮性のパイプの概略図、第６
図はＳＭＡワイヤとリード線とを挿通した第５図
に示す真鍮性のパイプの側面図、第７図は第６図
においてＳＭＡワイヤをループ状に挿通した場合
における第５図に示す真鍮性のパイプの側面図、
第８図は本考案の第２の実施例を示すカテーテル
の正面図、第９図は本考案の第３の実施例を示す
カテーテルの正面図、第１０図は本考案の第４の
実施例を示すカテーテルの正面図、第１１図は本
考案の第５の実施例を示すカテーテルの正面図、
第１２図は本考案の第６の実施例であるカテーテ
ルを構成するＳＭＡワイヤ等が装着された内部チ
ユーブの斜視図、第１３図ないし第１４図は本考
案の第７の実施例を示し、第１３図はカテーテル
の正面図、第１４図は第１３図のカテーテルの縦
断面図である。
１，１９，２１，２４，２８，３６……カテー
テル、２，２０，２５，２９，３２，３７……内
部チユーブ、３……外部チユーブ、５，２７，３
１，４１……突起部、７……ＳＭＡワイヤ、１０
……通電制御部、１１……通電用リード線、１２
……連結部、１５，２６，３０，４０……凹部、
３８……ＳＭＡ板、３９……溝。
1 to 7 show a first embodiment of the present invention, in which FIG. 1 is a front view of the catheter, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. FIG. 4 is a schematic diagram of the catheter shown in FIG. 1 connected to the energization control section. FIG. Schematic diagram of a brass pipe showing an example of a connecting part for connecting the 6th
The figure is a side view of the brass pipe shown in Fig. 5 with the SMA wire and lead wire inserted through it, and Fig. 7 is a side view of the brass pipe shown in Fig. 5 when the SMA wire is inserted in a loop shape in Fig. 6. side view of the pipe,
Fig. 8 is a front view of a catheter showing a second embodiment of the invention, Fig. 9 is a front view of a catheter showing a third embodiment of the invention, and Fig. 10 is a front view of a catheter showing a fourth embodiment of the invention. FIG. 11 is a front view of a catheter showing a fifth embodiment of the present invention,
FIG. 12 is a perspective view of an internal tube to which an SMA wire, etc., constituting a catheter according to a sixth embodiment of the present invention is attached, and FIGS. 13 and 14 show a seventh embodiment of the present invention. FIG. 13 is a front view of the catheter, and FIG. 14 is a longitudinal sectional view of the catheter of FIG. 13. 1, 19, 21, 24, 28, 36... Catheter, 2, 20, 25, 29, 32, 37... Internal tube, 3... External tube, 5, 27, 3
1, 41... Protrusion, 7... SMA wire, 10
... Energization control section, 11 ... Energization lead wire, 12
...Connection part, 15, 26, 30, 40... Recessed part,
38...SMA plate, 39...groove.
Claims (1)
配設して湾曲動作を行なう医療用チユーブにおい
て、その外周の軸方向に沿つて凹凸部を形成する
とともに前記凹部に形状記憶合金からなる部材を
配設した内部チユーブと、この内部チユーブの少
なくとも前記形状記憶合金からなる部材を配設し
た凹部を被装する外装部材と、前記形状記憶合金
からなる部材への加熱手段とを具備したことを特
徴とする医療用チユーブ。 In a medical tube that performs a bending motion by disposing a member made of a shape memory alloy that memorizes its shape, an uneven part is formed along the axial direction on the outer periphery, and a member made of the shape memory alloy is disposed in the recessed part. an exterior member covering a recessed portion of the internal tube in which at least the member made of the shape memory alloy is disposed, and means for heating the member made of the shape memory alloy. medical tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8412590U JP2502199Y2 (en) | 1990-08-08 | 1990-08-08 | Medical tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8412590U JP2502199Y2 (en) | 1990-08-08 | 1990-08-08 | Medical tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0442838U true JPH0442838U (en) | 1992-04-10 |
| JP2502199Y2 JP2502199Y2 (en) | 1996-06-19 |
Family
ID=31632351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8412590U Expired - Fee Related JP2502199Y2 (en) | 1990-08-08 | 1990-08-08 | Medical tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2502199Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007061546A (en) * | 2005-09-02 | 2007-03-15 | Olympus Corp | Endoscope apparatus |
| WO2019203061A1 (en) * | 2018-04-16 | 2019-10-24 | 国立大学法人滋賀医科大学 | Movable catheter |
| WO2019234798A1 (en) * | 2018-06-04 | 2019-12-12 | オリンパス株式会社 | Variable-rigidity device and endoscope |
-
1990
- 1990-08-08 JP JP8412590U patent/JP2502199Y2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007061546A (en) * | 2005-09-02 | 2007-03-15 | Olympus Corp | Endoscope apparatus |
| WO2019203061A1 (en) * | 2018-04-16 | 2019-10-24 | 国立大学法人滋賀医科大学 | Movable catheter |
| WO2019234798A1 (en) * | 2018-06-04 | 2019-12-12 | オリンパス株式会社 | Variable-rigidity device and endoscope |
| JPWO2019234798A1 (en) * | 2018-06-04 | 2021-04-22 | オリンパス株式会社 | Stiffness variable device and endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2502199Y2 (en) | 1996-06-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |