JP2004136121A - カテーテル用ハイブリッドチューブ状案内ワイヤ - Google Patents
カテーテル用ハイブリッドチューブ状案内ワイヤ Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- 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
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Abstract
【解決手段】ハイブリッドチューブ状ワイヤ320は、端と端とで装嵌された細長いチューブ状の第1と第2の本体340、344を含み、前記本体の周りでカテーテルが人体の血管系の通路における目標位置まで案内するよう通すことが出来る。細長いチューブ状の第1の本体340は、より大きな横方向可撓性を有している細長いチューブ状の第2の本体344よりも回転剛性が大きい。横方向可撓性を向上させるために細長いチューブ状の第2の本体344の長さにそった離隔位置において鋸切断、レーザ切断あるいはエッチングにより切欠部362が形成される。少なくとも前記切欠部のあるものはチューブ状本体を通して内部空洞まで延び、空洞を流れる流体が逃げうるようにする。
【選択図】図1
Description
本発明の目的はまた、捩じれ剛性と、曲げ可撓性と、長手方向強度とを示すような装置を提供することである。
本発明の別の目的は設計および構造が簡単な装置を提供することである。
ハイブリッドチューブ状案内ワイヤ320は2個の部分340、344から構成され、前記部分344は前記部分340より外径が小さく前記部分340の遠位端における接着剤あるいは固定機構中へ挿入され、かつそれにより固定される。つるつるしたチューブ状スリーブ346が前記部分344の上に設置され前記部分340の遠位端に対して当接し概ね滑らかな接合を行なう。代替的に、つるつるしたコーテイング、フィルム、あるいは層を希望に応じて前記部分340および344の外側に付与し得る。
また、ワイヤマンドレル333は案内ワイヤ320の可撓性を変えるために使用することが可能で、マンドレル333のテーパあるいは直径を変えることにより案内ワイヤの種々の剛性度を提供することが出来る。
324 トルクチャック
328 近位端
332 開口
333 ワイヤマンドレル
340 部分
344 部分
346 スリーブ
348 遠位端
349 X線不透過性バンド
350 案内ワイヤ
354 部分
354a 遠位端
358 部分
358a 近位端
362 切欠部
364 プラグ
368 ワイヤマンドレル
372 曲がり部分
376 停止部材
380 案内ワイヤ
384 部分
388 部分
392 スリーブ
394 切欠部
Claims (14)
- 希望に応じ、所定位置までカテーテルを案内するために血管あるいは導管通路中へ導入するハイブリッドチューブ状案内ワイヤにおいて、ルーメンを画成し、所定の捩じれ剛性と横方向可撓性とを有する材料から作られているチューブ状壁を有する第1の細くて長いチューブ状部分と、前記第1の部分よりも捩じれ剛性が小さく横方向可撓性が大きな第2の細くて長いチューブ状の部分とを含み、前記第2の部分が前記第1の部分に対して同一直線上に装着されていることを特徴とするハイブリッドチューブ状案内ワイヤ。
- 希望に応じ、所定位置までカテーテルを案内するために血管あるいは導管通路中へ導入するハイブリッドチューブ状案内ワイヤにおいて、ルーメンを画成し、所定の捩じれ剛性と横方向可撓性とを有する材料から作られているチューブ状壁を有する細くて長いチューブ状の第1の部分と、前記第1の部分よりも捩じれ剛性が小さく横方向可撓性が大きな細くて長いチューブ状の第2の部分とを含み、前記第2の部分が前記第1の部分に対して同一直線上に装着されており、また、前記第2の部分上に摺動可能に配置されて前記第1の部分の端と当接し、前記第1の部分の外形と概ね同じ外径を有するチューブ状スリーブを更に含むことを特徴とする案内ワイヤ。
- 前記チューブ状スリーブがエラストマ、ポリウレタン、ポリエチレンおよびテフロン(登録商標)で構成されるグループから選定された材料から作られていることを特徴とする請求項2に記載の案内ワイヤ。
- 前記チューブ状スリーブと第2の部分とはほぼ隣接することを特徴とする請求項2に記載の案内ワイヤ。
- 前記第2の部分が前記チューブ状スリーブの遠位端から突出していることを特徴とする請求項2に記載の案内ワイヤ。
- 前記チューブ状スリーブがつるつるした材料でコーテイングされていることを特徴とする請求項2に記載の案内ワイヤ。
- カテーテルとカテーテル案内ワイヤとの組み合わせであって、ステンレス鋼で作られ且つ中央のルーメンを画成するチューブ状側壁を有する第1の細長いチューブ状本体と、ニッケル−チタン合金で作られ且つ中央のルーメンを画成するチューブ状側壁を有する第2の細長いチューブ状本体とを含み、前記第2の細長いチューブ状本体は前記第1の細長いチューブ状本体よりも大きい横方向可撓性を有し、前記第2の細長いチューブ状本体は前記第1の細長いチューブ状本体に端と端とで接合されており、前記第2の細長いチューブ状本体の側壁はその長さに沿って形成された複数のスロットを有し、これによって前記第2の細長いチューブ状本体の横方向可撓性を増大させており、これらスロットのうちの少なくともあるものは該側壁を通って該ルーメンまで延びていて、該ルーメンを流れる流体を該スロットを通して排出できるようにしていることを特徴とするカテーテルとカテーテル案内ワイヤとの組み合わせ。
- 前記第2の細長いチューブ状本体の近位端が、前記第1の細長いチューブ状本体のルーメンの遠位端に装嵌されていることを特徴とする請求項7に記載のカテーテルとカテーテル案内ワイヤとの組み合わせ。
- カテーテルとカテーテル案内ワイヤとの組み合わせであって、中央のルーメンを画成するチューブ状側壁を有する第1の細長いチューブ状本体と、中央のルーメンを画成するチューブ状側壁を有し且つ前記第1の細長いチューブ状本体よりも大きい横方向可撓性を有する第2の細長いチューブ状本体とを含み、前記第2の細長いチューブ状本体は前記第1の細長いチューブ状本体と端と端とで接合されており、前記第2の細長いチューブ状本体の側壁はその長さに沿って形成された複数のスロットを有し、これによって前記第2の細長いチューブ状本体の横方向可撓性を増大させており、これらスロットのうちの少なくともあるものは該側壁を通って該ルーメンまで延びていて、該ルーメンを流れる流体を該スロットを通して排出できるようにしており、前記第2の細長いチューブ状本体は更にその遠位端に配置されたプラグを含み、該プラグはX線不透過性材料及びMRI検出可能材料からなるグループから選択された材料で作られていることを特徴とするカテーテルとカテーテル案内ワイヤとの組み合わせ。
- 希望に応じ、所定位置までカテーテルを案内するために血管あるいは導管通路中へ導入するハイブリッドチューブ状案内ワイヤにおいて、ルーメンを画成し、所定の捩じれ剛性と横方向可撓性とを有する材料から作られているチューブ状壁を有する細くて長いチューブ状の第1の部分と、前記第1の部分よりも捩じれ剛性が小さく横方向可撓性が大きな細くて長いチューブ状の第2の部分とを含み、前記第2の部分が前記第1の部分に対して同一直線上に装着されていて、前記第2の部分がニッケル−チタン合金で作られていることを特徴とするハイブリッドチューブ状案内ワイヤ。
- カテーテルとカテーテル案内ワイヤとの組み合わせであって、中央のルーメンを画成するチューブ状側壁を有する第1の細長いチューブ状部分と、ニッケル−チタン合金で作られ且つ中央のルーメンを画成するチューブ状側壁を有する第2の細長いチューブ状部分とを含み、前記第2の細長いチューブ状部分は前記第1の細長いチューブ状部分よりも大きい横方向可撓性を有し、前記第2の細長いチューブ状部分は前記第1の細長いチューブ状部分に端と端とで接合されており、前記第2の細長いチューブ状部分の側壁はその中に形成された複数のスロットを有し、これによって前記第2の細長いチューブ状部分の横方向可撓性を増大させており、これらスロットのうちの少なくともあるものは該側壁を通って延びていることを特徴とするカテーテルとカテーテル案内ワイヤとの組み合わせ。
- 人体組織を通して所定の位置へ進行するように構成され、またカテーテルとして作用するように構成された細長い中空のチューブ状装置であって、該装置は近位端と遠位端及びこれらの近位端と遠位端とを通って延びる軸線とを有し、該装置はそこに前記軸線に対しほぼ垂直に形成された複数のスロットを有するチューブ状ニッケル−チタン合金の第1の部分を備えて、望ましいレベルの捩じれ剛性を保ちながら横方向可撓性を与え、さらに該装置はこの装置の遠位端へ延びるチューブ状ポリマー部材を備えることを特徴とする細長い中空のチューブ状装置。
- 前記スロットは前記軸線に沿って変化する間隔を有し、変化する横方向可撓性を少なくとも前記装置の部分に沿って与えることを特徴とする請求項12に記載のチューブ状装置。
- 前記第1の部分に近接したスロットのないチューブ状の第2の部分を備えることを特徴とする請求項12に記載のチューブ状装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/653,289 US6017319A (en) | 1996-05-24 | 1996-05-24 | Hybrid tubular guide wire for catheters |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP09543008A Division JP2000511094A (ja) | 1996-05-24 | 1997-05-21 | カテーテル用ハイブリッドチューブ状案内ワイヤ |
Publications (2)
Publication Number | Publication Date |
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JP2004136121A true JP2004136121A (ja) | 2004-05-13 |
JP2004136121A5 JP2004136121A5 (ja) | 2005-05-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP09543008A Pending JP2000511094A (ja) | 1996-05-24 | 1997-05-21 | カテーテル用ハイブリッドチューブ状案内ワイヤ |
JP2004025340A Pending JP2004136121A (ja) | 1996-05-24 | 2004-02-02 | カテーテル用ハイブリッドチューブ状案内ワイヤ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP09543008A Pending JP2000511094A (ja) | 1996-05-24 | 1997-05-21 | カテーテル用ハイブリッドチューブ状案内ワイヤ |
Country Status (12)
Country | Link |
---|---|
US (1) | US6017319A (ja) |
EP (1) | EP0921754B1 (ja) |
JP (2) | JP2000511094A (ja) |
KR (1) | KR20000015896A (ja) |
AT (1) | ATE376385T1 (ja) |
AU (1) | AU723040B2 (ja) |
BR (1) | BR9709363A (ja) |
CA (1) | CA2255781C (ja) |
DE (1) | DE69738235T2 (ja) |
ES (1) | ES2293660T3 (ja) |
TW (1) | TW360547B (ja) |
WO (1) | WO1997043949A1 (ja) |
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US11207502B2 (en) | 2016-07-18 | 2021-12-28 | Scientia Vascular, Llc | Guidewire devices having shapeable tips and bypass cuts |
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US11890434B2 (en) | 2016-07-18 | 2024-02-06 | Scientia Vascular, Inc. | Guidewire devices having distally extending coils and shapeable tips |
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US11452541B2 (en) | 2016-12-22 | 2022-09-27 | Scientia Vascular, Inc. | Intravascular device having a selectively deflectable tip |
US11369351B2 (en) | 2017-05-26 | 2022-06-28 | Scientia Vascular, Inc. | Micro-fabricated medical device having a non-helical cut arrangement |
US11305095B2 (en) | 2018-02-22 | 2022-04-19 | Scientia Vascular, Llc | Microfabricated catheter having an intermediate preferred bending section |
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EP0921754B1 (en) | 2007-10-24 |
US6017319A (en) | 2000-01-25 |
WO1997043949A1 (en) | 1997-11-27 |
BR9709363A (pt) | 2000-01-11 |
DE69738235T2 (de) | 2008-07-24 |
AU3373497A (en) | 1997-12-09 |
DE69738235D1 (de) | 2007-12-06 |
ATE376385T1 (de) | 2007-11-15 |
CA2255781C (en) | 2007-03-27 |
EP0921754A4 (en) | 2000-03-15 |
AU723040B2 (en) | 2000-08-17 |
JP2000511094A (ja) | 2000-08-29 |
KR20000015896A (ko) | 2000-03-15 |
EP0921754A1 (en) | 1999-06-16 |
TW360547B (en) | 1999-06-11 |
ES2293660T3 (es) | 2008-03-16 |
CA2255781A1 (en) | 1997-11-27 |
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