JPH0447457U - - Google Patents
Info
- Publication number
- JPH0447457U JPH0447457U JP8937590U JP8937590U JPH0447457U JP H0447457 U JPH0447457 U JP H0447457U JP 8937590 U JP8937590 U JP 8937590U JP 8937590 U JP8937590 U JP 8937590U JP H0447457 U JPH0447457 U JP H0447457U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- balloon
- expanding
- tubular organ
- disposed
- 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
- 238000010438 heat treatment Methods 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 description 7
Description
第１図は本考案の一実施例による拡張具を血管
内に挿入した状態を示す断面図、第２図は同拡張
具を血管内で拡張させた状態を示す断面図、第３
図は同拡張具を血管内に留置した状態を示す断面
図、第４図は本考案の他の実施例による拡張具を
血管内に挿入した状態を示す断面図、第５図は従
来の拡張具を血管内に挿入するときの状態を示す
断面図、第６図は同拡張具を血管内に留置した状
態を示す断面図である。
図中、１１は血管、１３，２３はチユーブ、１
５はバルーン、１７は発熱体、１９は拡張部材、
２５は孔である。
FIG. 1 is a cross-sectional view showing a dilator according to an embodiment of the present invention inserted into a blood vessel, FIG. 2 is a cross-sectional view showing the dilator expanded in a blood vessel, and FIG.
The figure is a cross-sectional view showing the state in which the dilator is placed in the blood vessel, FIG. 4 is a cross-sectional view showing the dilator according to another embodiment of the present invention inserted into the blood vessel, and FIG. 5 is a conventional dilator. FIG. 6 is a cross-sectional view showing a state in which the dilator is inserted into a blood vessel, and FIG. 6 is a cross-sectional view showing a state in which the dilator is left in a blood vessel. In the figure, 11 is a blood vessel, 13 and 23 are tubes, 1
5 is a balloon, 17 is a heating element, 19 is an expansion member,
25 is a hole.
Claims (1)
有するチユーブと、 このチユーブの先端部を覆うように取付けられ
たバルーンと、 このバルーン内に配置された拡張部材と、 前記チユーブと前記バルーンとの連接部に配置
され、通電加熱によつて前記バルーンを前記チユ
ーブから分離する発熱体とを備えていることを特
徴とする管状器官の拡張具。 (2) 前記拡張部材が形状記憶合金からなる請求
項１記載の管状器官の拡張具。[Claims for Utility Model Registration] (1) A tube having a thickness and flexibility that can be inserted into a tubular organ, a balloon attached to cover the tip of the tube, and a tube disposed within the balloon. A device for expanding a tubular organ, comprising: an expansion member; and a heating element that is disposed at a connecting portion between the tube and the balloon and separates the balloon from the tube by heating with electricity. (2) The device for expanding a tubular organ according to claim 1, wherein the expanding member is made of a shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8937590U JP2514527Y2 (en) | 1990-08-27 | 1990-08-27 | Tubular organ dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8937590U JP2514527Y2 (en) | 1990-08-27 | 1990-08-27 | Tubular organ dilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0447457U true JPH0447457U (en) | 1992-04-22 |
| JP2514527Y2 JP2514527Y2 (en) | 1996-10-23 |
Family
ID=31823305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8937590U Expired - Lifetime JP2514527Y2 (en) | 1990-08-27 | 1990-08-27 | Tubular organ dilator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2514527Y2 (en) |
-
1990
- 1990-08-27 JP JP8937590U patent/JP2514527Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2514527Y2 (en) | 1996-10-23 |