JP3726266B2 - 医療用ガイドワイヤの先端部構造 - Google Patents
医療用ガイドワイヤの先端部構造 Download PDFInfo
- Publication number
- JP3726266B2 JP3726266B2 JP2003343901A JP2003343901A JP3726266B2 JP 3726266 B2 JP3726266 B2 JP 3726266B2 JP 2003343901 A JP2003343901 A JP 2003343901A JP 2003343901 A JP2003343901 A JP 2003343901A JP 3726266 B2 JP3726266 B2 JP 3726266B2
- Authority
- JP
- Japan
- Prior art keywords
- core wire
- wire
- distal end
- medical guide
- guide wire
- 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.)
- Expired - Fee Related
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09058—Basic structures of guide wires
- A61M2025/09083—Basic structures of guide wires having a coil around a core
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
Description
2 コア線
3 コイル体
4 先導栓
6 先端部
7 手元部
10 極先端部
11 コア線固定部
13 偏平形態部
14 円形コア線部
G ガイドワイヤ
P 病変部
S 段差部
T 血管
Claims (8)
- コア線にコイル体を外嵌すると共に、該コア線と該コイル体の先端に先導栓を設けた先端部からなる医療用ガイドワイヤにおいて、該コア線と該コイル体の内側を固定したコア線固定部と該先導栓との間を極先端部に構成し、該極先端部のコア線が段差部を介する段階的遷移形態の先薄先幅大の偏平形態部にして、かつ、該偏平形態部のコア線の横断面積が、長さ方向に概ね同一に形成された構造を特徴とする医療用ガイドワイヤの先端部構造。
- 極先端部のコア線が、コア線固定部から突き出す円形線部と該円形線部に続く偏平形態部から成る請求項1に記載の医療用ガイドワイヤの先端部構造。
- 円形コア線部が先細テ―パ−円形線である請求項2に記載の医療用ガイドワイヤの先端部構造。
- 段差部が、コア線を横断する2個または3個の連設形態から成る請求項1〜請求項3のいずれかに記載の医療用ガイドワイヤの先端部構造。
- 先導栓の前端からコア線固定部までの極先端部の長さが、概ね24粍または概ね45粍に設定された請求項1〜請求項4のいずれかに記載の医療用ガイドワイヤの先端部構造。
- コア線が、撚り線から成る請求項1〜請求項5のいずれかに記載の医療用ガイドワイヤの先端部構造。
- コア線が、縮径加工を施した撚り線から成る請求項6記載の医療用ガイドワイヤの先端部構造。
- コア線が、オーステナイト系ステンレス材から成る請求項1〜請求項7のいずれかに記載の医療用ガイドワイヤの先端部構造。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003343901A JP3726266B2 (ja) | 2003-10-02 | 2003-10-02 | 医療用ガイドワイヤの先端部構造 |
US10/950,683 US7399283B2 (en) | 2003-10-02 | 2004-09-28 | Medical guide wire having a stepwisely thickness-reduced but breadth-increased distal tip structure |
CN2004100921830A CN1618478B (zh) | 2003-10-02 | 2004-09-30 | 医用导引线 |
EP04256088A EP1520600B1 (en) | 2003-10-02 | 2004-10-01 | A medical guide wire |
AT04256088T ATE535272T1 (de) | 2003-10-02 | 2004-10-01 | Medizinischer führungsdraht |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003343901A JP3726266B2 (ja) | 2003-10-02 | 2003-10-02 | 医療用ガイドワイヤの先端部構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005103171A JP2005103171A (ja) | 2005-04-21 |
JP3726266B2 true JP3726266B2 (ja) | 2005-12-14 |
Family
ID=34309125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003343901A Expired - Fee Related JP3726266B2 (ja) | 2003-10-02 | 2003-10-02 | 医療用ガイドワイヤの先端部構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7399283B2 (ja) |
EP (1) | EP1520600B1 (ja) |
JP (1) | JP3726266B2 (ja) |
CN (1) | CN1618478B (ja) |
AT (1) | ATE535272T1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2021131019A1 (ja) * | 2019-12-27 | 2021-07-01 |
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FR2828091B1 (fr) | 2001-07-31 | 2003-11-21 | Seguin Jacques | Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel |
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-
2003
- 2003-10-02 JP JP2003343901A patent/JP3726266B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-28 US US10/950,683 patent/US7399283B2/en active Active
- 2004-09-30 CN CN2004100921830A patent/CN1618478B/zh active Active
- 2004-10-01 EP EP04256088A patent/EP1520600B1/en active Active
- 2004-10-01 AT AT04256088T patent/ATE535272T1/de active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2021131019A1 (ja) * | 2019-12-27 | 2021-07-01 | ||
WO2021131019A1 (ja) * | 2019-12-27 | 2021-07-01 | 朝日インテック株式会社 | ガイドワイヤ |
Also Published As
Publication number | Publication date |
---|---|
US7399283B2 (en) | 2008-07-15 |
EP1520600B1 (en) | 2011-11-30 |
ATE535272T1 (de) | 2011-12-15 |
EP1520600A1 (en) | 2005-04-06 |
CN1618478A (zh) | 2005-05-25 |
JP2005103171A (ja) | 2005-04-21 |
CN1618478B (zh) | 2010-09-22 |
US20050096568A1 (en) | 2005-05-05 |
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