JPH0324145U - - Google Patents
Info
- Publication number
- JPH0324145U JPH0324145U JP1989084366U JP8436689U JPH0324145U JP H0324145 U JPH0324145 U JP H0324145U JP 1989084366 U JP1989084366 U JP 1989084366U JP 8436689 U JP8436689 U JP 8436689U JP H0324145 U JPH0324145 U JP H0324145U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- shape memory
- shape
- metal
- expanding
- 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
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims 3
- 210000000056 organ Anatomy 0.000 claims 3
- 230000036760 body temperature Effects 0.000 claims 2
- 230000009477 glass transition Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000916 dilatatory effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
Landscapes
- Prostheses (AREA)
Description
第１図は本考案の拡張具の斜視図、第２図ａは
コイル形状の形状記憶合金線材の内部に形状記憶
樹脂の線材を挿入した状態を示す中間部の部分断
面図、第２図ｂはコイル形状の形状記憶合金線材
の内部に形状記憶樹脂の線材を挿入した状態を示
す先端部の部分断面図、第３図は形状記憶合金と
形状記憶樹脂の温度と荷重との関係を示す図、第
４図は形状記憶合金と形状記憶樹脂を所定の温度
雰囲気下に配置した場合における温度上昇を経時
的に示す図、第５図は形状記憶合金と形状記憶樹
脂を組み合わせた場合の発生荷重を経時的に示す
図、第６図は本考案の拡張具を用いて血管の狭窄
部を拡張する方法を示す図、第７図は従来の拡張
具を用いて血管の狭窄部を拡張する方法を示す図
である。
図中１１は拡張具、１２は形状記憶合金からな
る線材、１２ａは一次コイル、１２ｂは二次コイ
ル、１３は形状記憶樹脂の線材、２１はカテーテ
ル、２５は押し棒、３１は血管、３２は血管の狭
窄部である。
Fig. 1 is a perspective view of the expansion device of the present invention, Fig. 2a is a partial cross-sectional view of the middle part showing a shape memory resin wire inserted into a coil-shaped shape memory alloy wire, and Fig. 2b 3 is a partial cross-sectional view of the tip of a shape memory resin wire inserted into a coil-shaped shape memory alloy wire, and FIG. 3 is a diagram showing the relationship between temperature and load of the shape memory alloy and shape memory resin. , Figure 4 shows the temperature rise over time when a shape memory alloy and shape memory resin are placed in a predetermined temperature atmosphere, and Figure 5 shows the load generated when a shape memory alloy and shape memory resin are combined. Fig. 6 is a diagram showing a method of dilating a narrowed part of a blood vessel using the dilator of the present invention, and Fig. 7 is a diagram showing a method of dilating a narrowed part of a blood vessel using a conventional dilator. FIG. In the figure, 11 is a dilator, 12 is a wire made of shape memory alloy, 12a is a primary coil, 12b is a secondary coil, 13 is a wire made of shape memory resin, 21 is a catheter, 25 is a push rod, 31 is a blood vessel, and 32 is a wire made of shape memory alloy. It is a narrowed part of a blood vessel.
Claims (1)
ルとし、この一次コイルを更にコイル状に成形し
て二次コイルとした金属コイルと、前記一次コイ
ルの内部に挿入された、体温より低い温度のガラ
ス転移点をもつ形状記憶樹脂の線材とからなるこ
とを特徴とする管状器官の拡張具。 (2) 前記金属コイルが体温より低い温度の変態
点をもつ形状記憶合金からなる請求項１記載の環
状器官の拡張具。 (3) 前記形状記憶樹脂が前記金属コイルの二次
コイル形状に沿つた形状に記憶処理されている請
求項１又は２記載の管状器官の拡張具。[Claims for Utility Model Registration] (1) A metal wire formed into a coil shape to form a primary coil, this primary coil further formed into a coil form to form a secondary coil, and the interior of the primary coil. 1. A device for expanding a tubular organ, comprising a wire rod made of a shape memory resin having a glass transition point lower than body temperature, which is inserted into the body. (2) The annular organ expansion device according to claim 1, wherein the metal coil is made of a shape memory alloy having a transformation point lower than body temperature. (3) The device for expanding a tubular organ according to claim 1 or 2, wherein the shape memory resin is memorized into a shape that follows the shape of the secondary coil of the metal coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989084366U JPH0710762Y2 (en) | 1989-07-18 | 1989-07-18 | Tubular organ dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989084366U JPH0710762Y2 (en) | 1989-07-18 | 1989-07-18 | Tubular organ dilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0324145U true JPH0324145U (en) | 1991-03-13 |
| JPH0710762Y2 JPH0710762Y2 (en) | 1995-03-15 |
Family
ID=31632791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989084366U Expired - Lifetime JPH0710762Y2 (en) | 1989-07-18 | 1989-07-18 | Tubular organ dilator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710762Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007010907A1 (en) * | 2005-07-21 | 2007-01-25 | Olympus Biomaterial Corp. | Bone prosthetic material and bone prosthetic unit |
| JP2010534108A (en) * | 2007-07-25 | 2010-11-04 | エイジーエイ メディカル コーポレイション | Knitted occlusion device having a repetition of expanded volume portions separated by a joint portion |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573700B (en) | 2009-05-18 | 2014-12-17 | 纽姆克斯股份有限公司 | Cross-sectional modification during deployment of an elongate lung volume reduction device |
-
1989
- 1989-07-18 JP JP1989084366U patent/JPH0710762Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007010907A1 (en) * | 2005-07-21 | 2007-01-25 | Olympus Biomaterial Corp. | Bone prosthetic material and bone prosthetic unit |
| JP2010534108A (en) * | 2007-07-25 | 2010-11-04 | エイジーエイ メディカル コーポレイション | Knitted occlusion device having a repetition of expanded volume portions separated by a joint portion |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710762Y2 (en) | 1995-03-15 |
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