JPH06503246A - 低輪郭の遠位端部を有する血管カテーテル - Google Patents
低輪郭の遠位端部を有する血管カテーテルInfo
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- JPH06503246A JPH06503246A JP4502408A JP50240892A JPH06503246A JP H06503246 A JPH06503246 A JP H06503246A JP 4502408 A JP4502408 A JP 4502408A JP 50240892 A JP50240892 A JP 50240892A JP H06503246 A JPH06503246 A JP H06503246A
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- A61B2017/22038—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with a guide wire
- A61B2017/22041—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with a guide wire outside the catheter
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- A61B2017/22072—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
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- A61B2017/22072—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
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- Ultra Sonic Daignosis Equipment (AREA)
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Abstract
Description
Claims (15)
- 1.近位端部および遠位端部を有するカテーテルボディを備え、このカテーテル ボディは少なくとも2つの内腔を持つ近位領域と、この近位領域の横断面積より 小さい横断面積を持つ遠位領域とを有しており、遠位端部および近位端部を有し 、カテーテルボディの内腔のうちの1つに往復動可能に配置された駆動軸と、 駆動軸の遠位端部に固着された作動要素とを備え、それにより、駆動ケーブルを 選択的に往復動させることによって作動要素を遠位領域の中へ伸張させたり、近 位領域の中へ引っ込めたりすることができるようにしたことを特徴とする血管カ テーテル。
- 2.近位端部および遠位端部を有するカテーテルボディを備え、このカテーテル ボディは少なくとも2つの内腔を持つ近位領域と、この近位領域の横断面積より 小さい横断面積を持つ遠位領域とを有しており、遠位端部および近位端部を有し 、カテーテルボディの内腔のうちの第1内腔に往復動可能に配置された駆動軸と 、 駆動軸の遠位端部に固着された超音波像形成変換器と、カテーテルボディの内腔 のうちの第2内腔に摺動可能に配置されたガイドワイヤとを備え、 それにより、カテーテルボディをガイドワイヤ上で血管に導入することができ、 ガイドワイヤをカテーテルボディの近位領域から取り出すことで、ガイドワイヤ および像形成変換器をカテーテルボディの遠位領域内で交換することができるよ うにしたことを特徴とする血管像形成カテーテル装置。
- 3.超音波像形成変換器は、これとタンデム状に配置され、変換器からの信号を 半径方向外方に反射させるように配向されたミラーを有する組立体内に設けられ ていることを特徴とする請求項2に記載の血管像形成カテーテル装置。
- 4.カテーテルボディの近位端部に設けられ、駆動軸をモータ駆動装置に機械的 に連結する手段と、駆動軸を回転させている間、駆動軸を軸方向に並進移動させ る手段とを更に備えていることを特徴とする請求項2に記載の血管像形成カテー テル装置。
- 5.遠位領域は約0.15cmより小さい幅を有しており、近位領域は約0.1 5cmより大きい幅を有していることを特徴とする請求項2に記載の血管像形成 カテーテル装置。
- 6.遠位領域は、近位領域における2つの内腔と連続して形成されたたった1つ の内腔を有していることを特徴とする請求項2に記載の血管像形成カテーテル装 置。
- 7.遠位領域および近位領域は1つの管状部材から形成されており、近位領域は 遠位領域に対して拡張されていることを特徴とする請求項2に記載の血管像形成 カテーテル装置。
- 8.遠位領域および近位領域は互いに接合された別々の管状部材から形成されて いることを特徴とする請求項2に記載の血管像形成カテーテル装置。
- 9.カテーテルボディは、少なくとも1つの内腔を有し、カテーテルボディの遠 位端部から近位端部まで延びている第1管状部材と、少なくとも1つの内腔を持 ち、第1管状部材の側部に固着された第2管状部材とを有しており2つの内腔は カテーテルボディの遠位端部から近位方向に間隔を隔てられた接合部で互いに近 づき合っており、それにより遠位領域は接合部に対して遠位に位置し、近位領域 は接合に対して近位に位置していることを特徴とする請求項2に記載の血管像形 成カテーテル装置。
- 10.第2管状部材はカテーテルボディの近位端部まで全体的に延びていること を特徴とする請求項9に記載の血管像形成カテーテル装置。
- 11.ガイドワイヤを血管内の興味ある領域まで挿入し、カテーテルの遠位領域 が興味ある領域内に位置するようにカテーテルをガイドワイヤ上に導入し、 ガイドワイヤをカテーテルの遠位領域から近位領域まで引っ込め、ガイドワイヤ が近位領域に留まっている間、超音波像形成変換器をカテーテルの近位領域から 遠位領域の中へ前進させ、超音波像形成変換器を使用して興味ある領域の像を発 生させることを特徴する血管の内部の像を形成する方法。
- 12.興味ある領域は狭くなった内腔を有する狭窄領域であることを特徴する請 求項11に記載の方法。
- 13.超音波変換器を機械的に回転させることによって像を発生させることを特 徴する請求項11に記載の方法。
- 14.超音波変換器からの信号を反射させるミラーを機械的に回転させることに よって像を発生させることを特徴する請求項11に記載の方法。
- 15.超音波像形成変換器を遠位領域から近位領域まで引っ込め、ガイドワイヤ を近位領域から遠位領域まで前進させ、カテーテルをガイドワイヤ上に再位置決 めすることを更に有することを特徴とする請求項11に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62950090A | 1990-12-17 | 1990-12-17 | |
| US629,500 | 1990-12-17 | ||
| PCT/US1991/009358 WO1992011055A1 (en) | 1990-12-17 | 1991-12-13 | Vascular catheter having low-profile distal end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06503246A true JPH06503246A (ja) | 1994-04-14 |
| JP3367666B2 JP3367666B2 (ja) | 2003-01-14 |
Family
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|---|---|---|---|
| JP50240892A Expired - Fee Related JP3367666B2 (ja) | 1990-12-17 | 1991-12-13 | 低輪郭の遠位端部を有する血管カテーテル |
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| Country | Link |
|---|---|
| US (5) | US5203338A (ja) |
| EP (1) | EP0563179B1 (ja) |
| JP (1) | JP3367666B2 (ja) |
| AT (1) | ATE157269T1 (ja) |
| CA (1) | CA2098570C (ja) |
| DE (1) | DE69127462T2 (ja) |
| WO (1) | WO1992011055A1 (ja) |
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- 1991-12-13 CA CA002098570A patent/CA2098570C/en not_active Expired - Fee Related
- 1991-12-13 AT AT92901713T patent/ATE157269T1/de not_active IP Right Cessation
- 1991-12-13 WO PCT/US1991/009358 patent/WO1992011055A1/en not_active Ceased
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10512793A (ja) * | 1995-11-13 | 1998-12-08 | カーディオバスキュラー・イメージング・システムズ・インコーポレイテッド | 撮像、バルーン血管形成及びステントの配置を行うカテーテルシステム及びこのカテーテルシステムをステントの配置に使用する方法 |
| JP2003525638A (ja) * | 1997-09-29 | 2003-09-02 | シメッド ライフ システムズ インコーポレイテッド | 脈管内画像ガイドワイヤ |
| JP2000175916A (ja) * | 1998-12-14 | 2000-06-27 | Terumo Corp | 超音波カテーテル |
| JP2007522860A (ja) * | 2004-02-18 | 2007-08-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 脈管系における精細なナビゲーションに対するカテーテル装置及び方法 |
| WO2013146351A1 (ja) * | 2012-03-26 | 2013-10-03 | テルモ株式会社 | 医療用処置具 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE157269T1 (de) | 1997-09-15 |
| US5976093A (en) | 1999-11-02 |
| US5203338A (en) | 1993-04-20 |
| DE69127462D1 (de) | 1997-10-02 |
| JP3367666B2 (ja) | 2003-01-14 |
| US6234971B1 (en) | 2001-05-22 |
| EP0563179A4 (en) | 1993-12-01 |
| US6730037B2 (en) | 2004-05-04 |
| DE69127462T2 (de) | 1998-04-02 |
| CA2098570A1 (en) | 1992-06-18 |
| EP0563179A1 (en) | 1993-10-06 |
| US5997523A (en) | 1999-12-07 |
| CA2098570C (en) | 2003-04-01 |
| WO1992011055A1 (en) | 1992-07-09 |
| EP0563179B1 (en) | 1997-08-27 |
| US20030036729A1 (en) | 2003-02-20 |
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