JP2013524938A - 拡張型安定管を有する経カテーテル補綴心臓弁送達システム - Google Patents
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
- A61F2/2436—Deployment by retracting a sheath
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
- A61F2002/9665—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod with additional retaining means
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Abstract
【選択図】図3
Description
Claims (21)
- ステント付き補綴心臓弁を経皮的に送達するための送達デバイスであって、前記補綴心臓弁は、収縮配置から通常の拡張配置に、半径方向に自己拡張可能である前記送達デバイスであって、該送達デバイスは、
ステント付き補綴心臓弁に選択的に係合するように構成された連結構造を有する内側シャフトアセンブリと、
前記内側シャフトアセンブリ上に摺動可能に配置された送達シースアセンブリであって、遠位カプセルがステント付き補綴心臓弁を収縮配置に収縮して収容するように構成されるとき、前記遠位カプセルと近位シャフトとを有する送達シースアセンブリと、
前記送達シースアセンブリ上に摺動可能に配置された外側安定管であって、前記安定管は、近位領域と遠位領域とを有し、前記遠位領域は、厚さ方向に貫通して形成された複数の切り込みを有する管状壁を有し、第1の直径を有する第1の形状から、第2の直径を有する第2の形状に、半径方向に拡張可能になるように構成され、前記第2の直径は、前記第1の直径より大きい外側安定管と、
前記内側シャフトアセンブリと前記送達シースアセンブリと前記安定管とを維持する筐体とを有するハンドルであって、前記内側シャフトアセンブリおよび前記安定管に対して前記送達シースアセンブリを選択的に移動させるように動作可能であるハンドルと、を備え、
前記送達デバイスは、前記遠位領域が前記カプセルの近位方向にあり第1の形状にある第1の送達状態と、前記カプセルが前記遠位領域内に少なくとも部分的に退避させられ前記遠位領域が前記第2の形状である展開状態と、を提供するように構成されている、
ことを特徴とする送達デバイス。 - 前記カプセルの外径は、前記シャフトの外径より大きく、さらに、前記第1の形状の前記遠位領域の内径は、前記シャフトの前記外径と近似する、
請求項1に記載の送達デバイス。 - 前記第1の形状の前記遠位領域の前記外径は、前記カプセルの前記外径を超えない、
請求項2に記載の送達デバイス。 - 前記第2の形状の前記遠位領域の前記内径は、前記カプセルの前記外径と近似する、
請求項2に記載の送達デバイス。 - 前記遠位領域は、前記第1の形状からの移行時に、前記第2の形状を自己維持するように構成され、さらに、前記送達デバイスは、前記遠位領域が前記カプセルの近位方向にあり、前記第2の形状にある、第2の送達状態を提供するように構成され、前記第2の形状は、前記カプセルを受容するように寸法決定される、
請求項1に記載の送達デバイス。 - 前記送達デバイスは、
前記遠位領域が前記カプセルの上で同軸上に配置されるように、前記送達シースアセンブリに対して前記安定管を前進させ、
その後、前記遠位領域が前記カプセルの近位方向になるように、前記送達シースアセンブリに対して前記安定管を後退させることによって、前記第1の送達状態から前記第2の送達状態に移行するように構成され、
前記カプセルとの前記遠位領域の相互作用によって、前記遠位領域が前記第2の形状に移行し、前記遠位領域は、前記カプセルから後退したとき、前記第2の状態を維持する、
請求項5に記載の送達デバイス。 - 前記ハンドルはさらに、前記送達シースアセンブリおよび前記内側シャフトアセンブリに対して前記安定管を選択的に移動させるように動作可能になるように構成される、
請求項5に記載の送達デバイス。 - 前記複数の切り込みのそれぞれは、長手方向に細長い、
請求項1に記載の送達デバイス。 - 前記複数の切込みは、前記第1の形状から前記第2の形状に移行する際に、円周方向の幅に拡張する、
請求項8に記載の送達デバイス。 - 前記複数の切り込みは、最遠位切り込みと、最近位切り込みとを有し、さらに、前記最遠位切り込みと前記最近位切り込みとの間の長手方向の距離は、前記カプセルの長手方向の長さより大きい、
請求項1に記載の送達デバイス。 - 前記複数の切り込みは、前記遠位領域の円周の周囲にパターン化して配置される、
請求項1に記載の送達デバイス。 - 前記遠位領域および前記近位領域は、単一の均質管によって形成される、
請求項1に記載の送達デバイス。 - 前記遠位領域の柱強度および前記近位領域の柱強度は、実質的に等しい、
請求項12に記載の送達デバイス。 - 前記均質管は、ポリマー管である、
請求項12に記載の送達デバイス。 - 患者の欠陥のある心臓弁を回復させるためのシステムであって、
ステントフレームと、前記フレームに取り付けられる弁構造とを有し、少なくとも2つの弁葉を形成する補綴心臓弁であって、収縮配置から通常の拡張配置に、半径方向に自己拡張可能である補綴心臓弁と、
送達デバイスと、を備え、
前記送達デバイスが、
前記補綴心臓弁に選択的に係合するように構成される、連結構造を有する内側シャフトアセンブリと、
前記内側シャフトアセンブリの上に摺動可能に配置され、遠位カプセルと、近位シャフトとを有する送達シースアセンブリであって、前記カプセルは、前記補綴心臓弁を前記収縮配置に収縮して収容するように構成される送達シースアセンブリと、
前記送達シースアセンブリの上に摺動可能に配置される、外側安定管であって、前記安定管は、近位領域と、その厚さを通じて形成された複数の切り込みを有する管状壁を有し、第1の直径を有する第1の形状から、第2の直径を有する第2の形状に、半径方向に拡張可能になるように構成される、遠位領域と、を有し、前記第2の直径は、前記第1の直径より大きい外側安定管と、
前記内側シャフトアセンブリと、前記送達シースアセンブリと、前記安定管を維持する筐体を有する、ハンドルであって、前記内側シャフトアセンブリおよび前記安定管に対して前記送達シースアセンブリを選択的に移動させるように動作可能である、ハンドルと、を備え備え、
前記システムは、前記カプセルが、前記内側シャフトアセンブリの上に、前記補綴心臓弁を前記収縮配置に収縮して収容する送達様態と、前記補綴心臓弁を前記通常配置に向けて自己展開させ、前記送達デバイスからリリースさせるように、前記カプセルが、前記補綴心臓弁から少なくとも部分的に前記遠位領域内に後退させられる展開様態と、を提供するように構成される、
ことを特徴とするシステム。 - 前記カプセルの外径は、前記シャフトの外径より大きく、さらに、前記第1の形状の前記遠位領域の内径は、前記シャフトの前記外径と近似する、
請求項15に記載のシステム。 - 前記第2の形状の前記遠位領域の前記内径は、前記カプセルの前記外径を超えない、
請求項15に記載のシステム。 - 前記送達デバイスは、前記送達様態の第1および第2の状態を提供するように構成され、前記第1の状態は、前記カプセルの近位方向にあり、前記第1の形状にある前記遠位領域を有し、第2の送達状態は、前記カプセルの近位方向にあり、前記第2の形状にある前記遠位領域を有する、
請求項15に記載のシステム。 - 前記送達デバイスは、
前記遠位領域が前記カプセルの上で同軸上に配置されるように、前記送達シースアセンブリに対して前記安定管を前進させ、
その後、前記遠位領域が前記カプセルの近位方向になるように、前記送達シースアセンブリに対して前記安定管を後退させることによって、前記第1の状態から前記第2の状態に移行するように構成され、
前記カプセルとの前記遠位領域の相互作用によって、前記遠位領域が前記第2の形状に移行し、前記遠位領域は、前記カプセルから後退したとき、前記第2の状態を維持する、
請求項18に記載のシステム。 - 前記複数の切り込みは、最遠位切り込みと、最近位切り込みとを有し、さらに、前記最遠位切り込みと前記最近位切り込みとの間の長手方向の距離は、前記収縮配置の前記補綴心臓弁の長手方向の長さより大きい、
請求項15に記載のシステム。 - 前記遠位領域および前記近位領域は、単一の均質管によって形成される、
請求項15に記載のシステム。
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US12/762,566 US8465541B2 (en) | 2010-04-19 | 2010-04-19 | Transcatheter prosthetic heart valve delivery system and method with expandable stability tube |
US12/762,566 | 2010-04-19 | ||
PCT/US2011/032252 WO2011133368A1 (en) | 2010-04-19 | 2011-04-13 | Transcatheter prosthetic heart valve delivery system with expandable stability tube |
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DE102005003632A1 (de) | 2005-01-20 | 2006-08-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Katheter für die transvaskuläre Implantation von Herzklappenprothesen |
US7896915B2 (en) | 2007-04-13 | 2011-03-01 | Jenavalve Technology, Inc. | Medical device for treating a heart valve insufficiency |
EP2190379B1 (en) | 2007-08-23 | 2016-06-15 | Direct Flow Medical, Inc. | Translumenally implantable heart valve with formed in place support |
US9044318B2 (en) | 2008-02-26 | 2015-06-02 | Jenavalve Technology Gmbh | Stent for the positioning and anchoring of a valvular prosthesis |
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JP5947285B2 (ja) | 2016-07-06 |
US10413411B2 (en) | 2019-09-17 |
WO2011133368A1 (en) | 2011-10-27 |
US8465541B2 (en) | 2013-06-18 |
US20130282111A1 (en) | 2013-10-24 |
US9492275B2 (en) | 2016-11-15 |
EP2560579A1 (en) | 2013-02-27 |
CN103037808A (zh) | 2013-04-10 |
AU2011243066B2 (en) | 2014-12-11 |
EP2560579B1 (en) | 2015-08-05 |
AU2011243066A1 (en) | 2012-10-25 |
US20110257733A1 (en) | 2011-10-20 |
US20170027694A1 (en) | 2017-02-02 |
CN103037808B (zh) | 2015-06-24 |
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