JPH0324145U - - Google Patents

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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
Application number
JP1989084366U
Other languages
Japanese (ja)
Other versions
JPH0710762Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989084366U priority Critical patent/JPH0710762Y2/en
Publication of JPH0324145U publication Critical patent/JPH0324145U/ja
Application granted granted Critical
Publication of JPH0710762Y2 publication Critical patent/JPH0710762Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Prostheses (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 (1) 金属の線材をコイル状に成形して一次コイ
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.
JP1989084366U 1989-07-18 1989-07-18 Tubular organ dilator Expired - Lifetime JPH0710762Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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