JP5688865B2 - 受動的トリガリリースを備える経カテーテル補綴心臓弁送達装置 - Google Patents
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- JP5688865B2 JP5688865B2 JP2013508198A JP2013508198A JP5688865B2 JP 5688865 B2 JP5688865 B2 JP 5688865B2 JP 2013508198 A JP2013508198 A JP 2013508198A JP 2013508198 A JP2013508198 A JP 2013508198A JP 5688865 B2 JP5688865 B2 JP 5688865B2
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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
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
- A61F2/2436—Deployment by retracting a sheath
-
- 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
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0054—V-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0073—Quadric-shaped
- A61F2230/008—Quadric-shaped paraboloidal
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
本出願は、米国特許法第119条(e)項(1)の下、2010年4月27日に出願され、代理人整理番号P0036420.00/M190.374.101を有する、「Transcatheter Prosthetic Heart Valve Delivery Device with Passive Trigger Release」と題される、米国特許仮出願第61/328,230号の優先権を主張し、その教示全体が、参照により本明細書に組み込まれる。
Claims (26)
- 弁構造体が取り付けられるステントフレームを含むステント付き補綴心臓弁を経皮的に展開するための送達装置であって、
遠位端で終結し管腔を形成する送達シースと、
前記管腔内で摺動可能に配置され、補綴心臓弁に選択的に係合するように構成される係合構造体を含む内部シャフトアセンブリと、
前記送達シースと前記内部シャフトアセンブリとの間に配置され中心軸を形成するリリースアセンブリと、を備え、
該リリースアセンブリは、
前記係合構造体の近位で前記内部シャフトアセンブリに連結される基部と、
前記基部の遠位にあり、延在状態から弛緩した後退状態へ、長手方向の長さに沿って自己後退するように構成される後退部材と、
前記後退部材の遠位にあり、収縮状態から通常の拡張状態へ、前記中心軸に対して半径方向に突出して自己拡張するように構成されるリリース部材と、
前記リリース部材に遠位の保持部材と、を有し、
前記装置が、
前記遠位端が、前記保持部材の遠位にあり、前記リリース部材が、前記収縮状態にあり、前記後退部材が、前記延在状態にある、送達状態と、
前記遠位端が、前記リリース部材の近位にあり、前記リリース部材が、前記通常の拡張状態にあり、前記後退部材が、前記弛緩した後退状態にある、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装置。 - 前記係合構造体が、複数の長手方向の捕捉スロットおよび円周方向のトラフを形成するスピンドルを含む、
請求項1に記載の送達装置。 - 前記送達状態が、前記円周方向のトラフ上に配置されている前記保持部材を含む、
請求項2に記載の送達装置。 - 前記展開状態が、前記円周方向のトラフの近位に位置決めされる前記保持部材を含む、
請求項2に記載の送達装置。 - 前記後退部材の前記延在状態にある、前記基部と前記保持部材との間の長手方向の距離が、前記弛緩した後退状態にある、前記基部と前記保持部材との間の長手方向の距離よりも短い、
請求項1に記載の送達装置。 - 前記保持部材が、線状バネである、
請求項1に記載の送達装置。 - 前記線状バネが、レーザー切断の金属管によって形成される、
請求項6に記載の送達装置。 - 前記リリース部材が、固定端、自由端、および記憶設定された角度のついた形状を有する中間部分を有する、偏向アームである、
請求項1に記載の送達装置。 - 前記固定端が、前記後退部材に空間的に取り付けられ、前記自由端が、前記アームが前記固定端で枢動して、前記中心軸に対して半径方向に偏向可能である、
請求項8に記載の送達装置。 - 前記リリースアセンブリが、前記後退部材の遠位側を前記保持部材の近位側と相互接続させる接続本体をさらに含み、前記接続本体が、前記拡張状態から前記収縮状態への移行時に、前記自由端の通過を可能にするように寸法調整および位置調整される、クリアランススロットを形成する、
請求項9に記載の送達装置。 - 前記収縮状態が、前記クリアランススロットを通じて突出する前記自由端を含む、
請求項10に記載の送達装置。 - 前記内部シャフトアセンブリが、前記係合構造体の近位に一次切欠部を形成する管状基部さらに含み、さらに、前記送達状態が、前記一次切欠部内に入れ込まれる前記自由端を含む、
請求項11に記載の送達装置。 - 前記管状基部が、前記一次切欠部の近位に二次切欠部をさらに形成し、さらに、前記送達装置が、前記送達シースの前記遠位端が前記リリース部材の遠位にあり、前記保持部材が、前記弛緩した後退状態にあり、前記偏向アームが、前記二次切欠部内に入れ込まれる前記自由端を含む収縮状態にある、取外状態を提供するように構成される、
請求項12に記載の送達装置。 - 前記リリース部材偏向アームが、第1のリリース部材偏向アームであり、さらに、前記リリースアセンブリが、前記第1のリリース部材偏向アームの円周方向の反対側に、第2のリリース部材偏向アームをさらに含む、
請求項8に記載の送達装置。 - 前記リリース部材が、前記通常の拡張状態において、前記中心軸に対する最大の半径方向の突出を形成し、さらに、前記最大の半径方向の突出が、前記送達シース管腔の半径よりも大きい、
請求項1に記載の送達装置。 - 患者の欠陥のある心臓弁を復元させるためのシステムであって、
ステントフレームと該ステントフレームに取り付けられる弁構造体とを有する補綴心臓弁であって、前記ステントフレームが、遠位領域および近位領域を形成し、前記近位領域が、少なくとも1つのポストを形成する補綴心臓弁と、
送達装置と、を備え、該送達装置が、
遠位端で終結し、管腔を形成する、送達シースと、
前記管腔内に摺動可能に配置され係合構造体を含む内部シャフトアセンブリと、
前記内部シャフトアセンブリに対して前記補綴心臓弁を選択的に連結するリリースアセンブリであって、中心軸を形成し、前記係合構造体の近位で、前記内部シャフトアセンブリに連結される基部と、前記基部の遠位にあり、延在状態から弛緩した後退状態へ、長手方向の距離に沿って自己後退するように構成される後退部材と、前記後退部材の遠位にあり、収縮状態から通常の拡張状態へ、前記中心軸に対して半径方向に突出して自己拡張するように構成されるリリース部材と、前記リリース部材に遠位の保持部材と、を有するリリースアセンブリと、を備え、
前記システムが、前記補綴心臓弁が、前記送達シース内で、前記内部シャフトアセンブリへ保持される、装着モードを提供するように構成され、前記後退部材が延在状態にあり、前記リリース部材が収縮状態にある状態で、前記保持部材によって前記係合構造体に摺動可動に捕捉される前記少なくとも1つのポストを含む、
ことを特徴とするシステム。 - 前記システムが、さらに、前記遠位端が前記リリース部材の近位にあり、前記リリース部材が、前記通常の拡張状態にあり、前記後退部材が、前記弛緩した後退状態にあり、前記ポストから前記保持部材を引き出して、前記補綴心臓弁が前記送達装置から自己展開する、展開モードを提供するように構成される、
請求項16に記載のシステム。 - 前記係合構造体が、複数の長手方向の捕捉スロットおよび円周方向のトラフを形成するスピンドルを含み、さらに、前記装着モードが、前記捕捉スロットのうちの1つおよび前記トラフの中に摺動可能に配置される前記ポストを含み、前記保持部材が、前記トラフの遠位に延びている、
請求項16に記載のシステム。 - 前記保持部材が、線状バネである、
請求項16に記載のシステム。 - 前記リリース部材が、固定端、自由端、および記憶設定された角度のついた形状を有する中間部分を有する、偏向アームである、
請求項16に記載のシステム。 - 前記固定端が、前記後退部材に空間的に取り付けられ、前記自由端が、前記中心軸に対して半径方向に偏向可能であり、前記固定端で枢動する、
請求項20に記載のシステム。 - 前記リリースアセンブリが、前記後退部材の遠位側を前記保持部材の近位側と相互接続させる接続本体をさらに含み、前記接続本体が、前記自由端の通過を可能にするように寸法調整および位置調整される、クリアランススロットを形成する、
請求項21に記載のシステム。 - 前記収縮状態が、前記クリアランススロットを通じて突出する前記自由端を含む、
請求項22に記載のシステム。 - 前記内部シャフトアセンブリが、前記係合構造体の近位に一次切欠部を形成する管状基部さらに含み、さらに、前記送達状態が、前記一次切欠部内に入れ込まれる前記自由端を含む、
請求項23に記載のシステム。 - 前記送達モードは、前記送達シースが、強制的に前記リリース部材を前記収縮状態にすることを含む、
請求項16に記載のシステム。 - 前記送達装置が、前記展開モードから、前記補綴心臓弁の展開に続く取外状態へさらに移行可能であり、前記取外状態は、前記送達シースの前記遠位端が前記リリース部材の遠位にあり、前記リリース部材を強制的に前記収縮状態にし、前記後退部材が、弛緩した後退状態にあることを含む、
請求項16に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32823010P | 2010-04-27 | 2010-04-27 | |
US61/328,230 | 2010-04-27 | ||
PCT/US2011/034088 WO2011139746A1 (en) | 2010-04-27 | 2011-04-27 | Transcatheter prosthetic heart valve delivery device with passive trigger release |
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JP2013525024A JP2013525024A (ja) | 2013-06-20 |
JP5688865B2 true JP5688865B2 (ja) | 2015-03-25 |
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US (2) | US8876893B2 (ja) |
EP (1) | EP2563277B1 (ja) |
JP (1) | JP5688865B2 (ja) |
CN (1) | CN102905647B (ja) |
AU (1) | AU2011248657B2 (ja) |
WO (1) | WO2011139746A1 (ja) |
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US8512401B2 (en) * | 2010-04-12 | 2013-08-20 | Medtronic, Inc. | Transcatheter prosthetic heart valve delivery system with funnel recapturing feature and method |
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-
2011
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- 2011-04-27 WO PCT/US2011/034088 patent/WO2011139746A1/en active Application Filing
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AU2011248657B2 (en) | 2014-12-04 |
US8876893B2 (en) | 2014-11-04 |
US9132008B2 (en) | 2015-09-15 |
JP2013525024A (ja) | 2013-06-20 |
AU2011248657A1 (en) | 2012-10-25 |
US20150025624A1 (en) | 2015-01-22 |
US20110264203A1 (en) | 2011-10-27 |
WO2011139746A1 (en) | 2011-11-10 |
CN102905647B (zh) | 2015-07-29 |
EP2563277A1 (en) | 2013-03-06 |
EP2563277B1 (en) | 2018-06-13 |
CN102905647A (zh) | 2013-01-30 |
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