JP2009535128A - 複数部品の人工心臓弁アセンブリと、それを届けるための装置及び方法 - Google Patents
複数部品の人工心臓弁アセンブリと、それを届けるための装置及び方法 Download PDFInfo
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- 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
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- 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
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- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0058—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements soldered or brazed or welded
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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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
- A61F2250/0063—Nested prosthetic parts
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Abstract
Description
また別の実施形態によれば、第1の環状プロテーゼと、第2の弁プロテーゼと、第1及び/又は第2のプロテーゼを導入するための1つ以上のデリバリーツールを含む人工心臓弁システムが提供される。第1のプロテーゼは、生体の弁輪の周りの組織に接触するために生体の弁輪内に移植可能な環状部材(annular member)と、環状部材から半径方向の外側に伸びる縫合カフと、弁プロテーゼを縫合カフに向かってガイドするために環状部材及び縫合カフのいずれか一方から伸びる複数の細長いガイドレール又は他のリーダー(leaders)と、を含む。
図面は、本発明の典型的な実施態様を図示している。
図面を参照すると、図1及び図2は、ガスケット部材12と弁部材14とを概して含んでいる心臓弁アセンブリ10の典型的な実施形態を示す。ガスケット部材12は環状に形づくられた物体であり、平面16と、平面16に対して実質的に垂直に伸びる中央の長手軸(central longitudinal axis)17とを略規定する。図に示すように、ガスケット部材12は、以下にさらに記載されるように、弁輪リング18と、縫合カフ20と、縫合カフ20又はガスケット部材12の他の部分から伸びている複数の細長いリーダー、ガイドレール又は他の要素50と、を含んでいる。本願明細書に記載された他の実施形態と同様に、任意で、ガスケット部材12は、例えば弁輪リング18、カラー及び/又は複数のガイドシールド(これも図示せず)を囲んで、可撓性のスカート(flexible skirt)及び/又は鯨ひげ要素(baleen elements)(図示せず)を含んでもよい。以下にさらに記載されるように、織物カバー21は、ガスケット部材12の1つ以上の部品に、例えば弁輪リング18を覆って、及び縫合カフ20のコアを覆って、提供されても
その後に、本体382は解放され、それにより、フランジ384の第1のセットとフランジ385の第2のセットとの間にフレーム332を捕らえてもよい。任意で、縫合糸390は、レセプタクル380の穴383を通って、窓375を規定するフレーム332の部分の辺りに方向付けられて、それにより、レセプタクル380をフレーム332にさらに固定してもよい。
Claims (82)
- 患者の心臓内の自然な又は人工の心臓弁を置換するためのシステムであって、
生体の弁輪内に移植可能な環状部材と複数の細長いガイドレールとを含む第1のプロテーゼと、
環状フレームと、少なくとも1つの弁要素と、第2のプロテーゼが前記第1のプロテーゼに向かって方向付けられるときにそれを通って前記ガイドレールの各々をスライド可能にを受容するための複数のレセプタクルと、を含む前記第2の弁プロテーゼと、
近位端及び遠位端を含む弁ホルダーであって、前記第2のプロテーゼは前記遠位端により解放可能に支えられ、前記弁ホルダーは、前記ガイドレールが前記第2のプロテーゼの前記レセプタクルを通って受容されるときにそれを通って前記ガイドレールの各々を受容するための複数の経路と、を含む、前記弁ホルダーと、
を含むことを特徴とするシステム。 - 前記環状部材は、緩和された状態から縮められた状態まで半径方向の内向きに圧縮可能で、生体の弁輪内に届けるのを容易にし、
前記環状部材は、前記緩和された状態に向かって弾性的に拡張可能であることを特徴とする請求項1に記載のシステム。 - 生体の弁輪に前記第1のプロテーゼを導入するためのデリバリーツールをさらに含み、
前記デリバリーツールは、前記環状部材をアームとハブとの間で前記縮められた状態に選択的に圧縮するために、前記中央ハブのまわりに配置された複数の前記可動アームを含むことを特徴とする請求項2に記載のシステム。 - 前記第2のプロテーゼを前記第1のプロテーゼに向かってガイドするために、前記第1のプロテーゼは、そこから上方に伸びる複数のガイドシールドを含むことを特徴とする請求項1に記載のシステム。
- 前記ガイドレールは、前記ガイドシールドによって解放可能に拘束されていることを特徴とする請求項4に記載のシステム。
- 前記第2のプロテーゼは、1つ以上の縫合糸によって前記弁ホルダーのヘッドに解放可能に取り付けられていることを特徴とする請求項1に記載のシステム。
- 前記弁ホルダーは、前記ガイドレールを受容するための前記経路を規定する複数の管状部材を含むことを特徴とする請求項1に記載のシステム。
- 前記管状部材は、前記ガイドレールを切断するために回転可能で、前記第1のプロテーゼから前記ガイドレールを分離することを特徴とする請求項7に記載のシステム。
- 前記管状部材は、前記弁ホルダーのシャフト上のハブに連結され、
前記ハブは、前記ガイドレールを切断するために前記シャフトに対して回転可能で、前記第1のプロテーゼから前記ガイドレールを分離することを特徴とする請求項7に記載のシステム。 - 前記弁ホルダーは、前記ガイドレールが前記経路に受容されたときに前記ガイドレールに係合するアクチュエータを含み、
前記アクチュエータは、前記ガイドレールを切断するために前記弁ホルダーのシャフト上を近位方向に移動可能で、前記第1のプロテーゼから前記ガイドレールを分離することを特徴とする請求項1に記載のシステム。 - 生体の弁輪内に移植可能な心臓弁アセンブリであって、
前記生体の弁輪内に移植可能な環状部材を含む第1のプロテーゼであって、前記環状部材は緩和された状態から縮められた状態まで半径方向の内向きに圧縮可能で、生体の弁輪内に届けるのを容易にし、前記環状部材は前記緩和された状態に向かって弾性的に拡張可能である、前記第1のプロテーゼと、
環状フレームと少なくとも1つの弁要素とを含む第2の弁プロテーゼと、
前記第2のプロテーゼを前記第1のプロテーゼに固定するための1つ以上のコネクタと、
を含むことを特徴とする心臓弁アセンブリ。 - 前記第1のプロテーゼから伸びる複数のリーダーをさらに含むことを特徴とする請求項11に記載の心臓弁アセンブリ。
- 前記リーダーは、前記第1のプロテーゼから所定の距離に配置された保持要素を含むことを特徴とする請求項12に記載の心臓弁アセンブリ。
- 前記保持要素は、前記第2のプロテーゼの一部を通って遠位方向への一方向の侵入を可能にする先細りの矢状形状を含むことを特徴とする請求項13に記載の心臓弁アセンブリ。
- 前記環状部材は中心の長手軸を有し、
前記環状部材は、前記リーダーが前記中心軸に向かって内向きに張力をかけられたときに、第1の断面を有する前記緩和された状態から前記縮められた状態に方向付け可能であることを特徴とする請求項12に記載の心臓弁アセンブリ。 - 前記第1のプロテーゼは、前記環状部材から外側に伸びる縫合カフをさらに含むことを特徴とする請求項11に記載の心臓弁アセンブリ。
- 前記環状部材は、前記緩和された状態と前記縮められた状態との間で形状が変化することを特徴とする請求項11に記載の心臓弁アセンブリ。
- 前記環状部材は、前記緩和された状態では略円形の断面を有し、前記縮められた状態では複数の小葉状の断面を有することを特徴とする請求項11に記載の心臓弁アセンブリ。
- 前記環状部材は、拡大した状態では略円形の断面を持ち、前記縮められた状態では少なくとも前記環状部材の一部が折り曲げられることを特徴とする請求項11に記載の心臓弁アセンブリ。
- 前記環状部材は形状記憶材料を含み、
前記材料は、マルテンサイト状態では前記環状部材が前記縮められた状態に圧縮可能で生体の弁輪へ届けるのを容易になるように、常温以下でマルテンサイト状態を含み、
前記材料は、患者の体内で前記環状部材がバイアスをかけられて前記緩和された状態に向かって戻るように、体温ではオーステナイト状態を含むことを特徴とする請求項11に記載の心臓弁アセンブリ。、 - 生体の弁輪へプロテーゼを移植するためのシステムであって、
前記生体の弁輪内に移植可能な環状部材と前記環状部材から外側に伸びる縫合カフとを含む第1のプロテーゼと、
ハンドルを備えた近位端を含む細長いシャフトと、前記生体の弁輪に導入するのに適した寸法にされた遠位端と、前記第1のプロテーゼを内方に圧縮して、複数の小葉状形状を含む前記縮められた状態にするためのアクチュエータと、を含むデリバリーツールと、
を含むことを特徴とするシステム。 - 前記環状部材は、拡大された状態から縮められた状態まで半径方向の内向きに圧縮可能で、生体の弁輪に届けるのを容易にすることを特徴とする請求項21に記載のシステム。
- 前記環状部材は、前記拡大された状態に向かって弾性的にバイアスをかけられることを特徴とする請求項22に記載のシステム。
- 前記環状部材は、所定温度にさらされたときに前記拡大された状態に向かってバイアスをかけ始める形状記憶材料を含むことを特徴とする請求項22に記載のシステム。
- 前記第1のプロテーゼは、弁プロテーゼを前記縫合カフに向かってガイドするために、前記環状部材及び前記縫合カフのいずれか一方から伸びている複数の細長いリーダーを含み、
前記デリバリーツールはその中に前記リーダーの一部を受容するために少なくとも経路又は管腔のいずれか一方を含み、前記アクチュエータは、そこに受容された前記リーダーの一部を係合させるように構成されて、少なくとも前記リーダーを固定し、張力をかけ及び解放することのいずれか1つを行って、前記第1のプロテーゼを前記縮められた状態に圧縮し及び前記第1のプロテーゼを前記縮められた状態から解放することを特徴とする請求項21に記載のシステム。 - 前記アクチュエータは、前記リーダーに軸方向の張力をかけるため及び解放するために、前記細長いシャフトに対して動作可能なアクチュエータ要素を含むことを特徴とする請求項25に記載のシステム。
- 前記アクチュエータ要素は、
前記第1のプロテーゼを前記縮められた状態に向かって内向きに圧縮するのに十分な距離だけ、近位方向に移動可能であり、
前記環状部材が前記拡大された状態に向かって弾性的に戻るように前記第1のプロテーゼを解放するのに十分な距離だけ、遠位方向に移動可能であることを特徴とする請求項25に記載のシステム。 - 前記デリバリーツールは、前記環状部材をアームとハブとの間で選択的に圧縮して前記環状部材を前記縮められた状態に置くために、前記中央ハブのまわりに配置された複数の前記可動アームを含むことを特徴とする請求項21に記載のシステム。
- 前記環状部材が前記縮められた状態では前記アームと支持体との間で複数の小葉状の形状に圧縮されるように、前記中央ハブは、前記アームから半径方向にオフセットされた複数の前記支持体を含むことを特徴とする請求項28に記載のシステム。
- 生体の弁輪にプロテーゼを移植するためのシステムであって、
前記生体の弁輪内に移植可能な環状部材と前記環状部材から外側に伸びる縫合カフとを含む第1のプロテーゼと、
ハンドルを備えた近位端を含む細長いシャフトと、複数の支持体と複数の可動アームとを含む遠位端と、前記第1のプロテーゼを前記支持体と前記アームとの間に固定又は解放するために前記アームを前記支持体に向かって又は前記支持体から離れるように動かすためのアクチュエータと、を含むデリバリーツールであって、前記支持体と前記アームとの間に固定されているときに前記第1のプロテーゼが縮められた状態に折り曲げられる、前記デリバリーツールと、
を含むことを特徴とするシステム。 - 生体の弁輪内に先に存在する自然の又は人工の心臓弁を置換するために弁プロテーゼを受容するためのプロテーゼであって、
前記生体の弁輪内に移植可能な環状部材と、
前記環状部材から外側に伸びる縫合カフと、
前記弁プロテーゼを少なくとも前記縫合カフ及び前記環状部材のいずれか一方に向かってガイドするために、前記環状部材及び前記縫合カフのいずれか一方に連結された第1の端部を含む複数の細長いリーダーと、
前記プロテーゼに対して弁プロテーゼを固定するために前記第1の端部から所定の距離に配置された前記リーダー上のコネクタと、
を含むことを特徴とするプロテーゼ。 - 前記縫合カフは、前記プロテーゼを前記生体の弁輪に取り付けるために、1つ以上のコネクタを受容するように構成されていることを特徴とする請求項31のプロテーゼ。
- 前記環状部材は、縮められた状態から拡大された状態まで、少なくとも部分的に拡張可能であることを特徴とする請求項31のプロテーゼ。
- 前記環状部材は中心の長手軸を有し、
前記環状部材は、前記リーダーが前記中心軸に向かって内向きに張力をかけられたときに、第1の断面を有する前記拡大された状態から、前記第1の状態より小さい第2の断面を有する前記縮められた状態に方向付け可能であることを特徴とする請求項31のプロテーゼ。 - 前記環状部材は、前記リーダーが内向きに張力をかけられたときに、前記拡大された状態と前記縮められた状態との間で形状が変化することを特徴とする請求項34のプロテーゼ。
- 前記環状部材は、前記拡大された状態では略円形の断面を有し、前記縮められた状態では複数の小葉状の断面を有することを特徴とする請求項34のプロテーゼ。
- 前記複数のリーダーの前記第1の端部は、前記環状部材に隣接して前記縫合カフに固定されており、前記複数のリーダーは前記縫合カフの周囲で間隔をあけられていることを特徴とする請求項31のプロテーゼ。
- 前記コネクタは、先細りの近位端と実質的にとがっていない遠位端とを含むラチェット要素を含むことを特徴とする請求項31のプロテーゼ。
- 前記コネクタは、弁プロテーゼを通って一方向の侵入を可能にする先細りの矢状形状を含むことを特徴とする請求項31のプロテーゼ。
- 前記コネクタは結び目を含むことを特徴とする請求項31のプロテーゼ。
- 生体の弁輪内に移植可能な心臓弁アセンブリであって、
前記生体の弁輪内に移植可能な環状部材と前記環状部材から外側に伸びる縫合カフとを含む第1のプロテーゼと、
環状フレームと少なくとも1つの弁要素とを含む第2の弁プロテーゼと、
前記第2のプロテーゼを前記第1のプロテーゼに向かってガイドするために前記第1のプロテーゼから伸びる複数の細長いリーダーと、
前記第2のプロテーゼを前記第1のプロテーゼに対して固定するための前記リーダー上のコネクタと、
を含むことを特徴とする心臓弁アセンブリ。 - 前記第2のプロテーゼは、機械弁及び生体弁のいずれか一方を含むことを特徴とする請求項41に記載の心臓弁アセンブリ。
- 前記第2のプロテーゼは、それらを通って前記リーダーの各々を受容するための複数のイントロデューサを含むことを特徴とする請求項41に記載の心臓弁アセンブリ。
- 前記イントロデューサは、前記第2のプロテーゼのそれぞれの部分に取り外し可能に固定された管状部材を含むことを特徴とする請求項43に記載の心臓弁アセンブリ。
- 前記イントロデューサは、前記第2のプロテーゼ上にポケットを含むことを特徴とする請求項43に記載の心臓弁アセンブリ。
- 前記コネクタは、先細りの近位端と実質的にとがっていない遠位端とを含むラチェット要素を含むことを特徴とする請求項41に記載の心臓弁アセンブリ。
- 前記コネクタは、前記弁プロテーゼを通って一方向の侵入を可能にする先細りの矢状形状を含むことを特徴とする請求項41に記載の心臓弁アセンブリ。
- 前記コネクタは結び目を含むことを特徴とする請求項41に記載の心臓弁アセンブリ。
- 前記環状部材は、
縮められた状態に圧縮可能で生体の弁輪内に届けるのを容易にし、
前記縮められた状態から解放された拡大された状態に弾性的に拡張可能であることを特徴とする請求項41に記載の心臓弁アセンブリ。 - 前記リーダーは、前記コネクタの上に弱い領域を含み、
前記弱い領域は、前記リーダーに所定の張力をかけたときに壊れるように構成されていることを特徴とする請求項41に記載の心臓弁アセンブリ。 - 生体の弁輪へプロテーゼを移植するためのツールであって、
近位端と遠位端とを含む細長いシャフトと、
前記遠位端の複数の支持体と、
前記遠位端で前記支持体に隣接した複数の可動アームと、
環状プロテーゼを前記支持体と前記アームとの間に固定又は解放するために前記アームを前記支持体に向かって又は前記支持体から離れるように動かすための、前記近位端のアクチュエータであって、前記支持体と前記アームとの間に固定されているときに前記プロテーゼが縮められた状態に折り曲げられる、前記アクチュエータと、
を含むことを特徴とするツール。 - 前記支持体は、前記シャフトによって規定された長手軸の周りに配置され、
前記アームは、隣接した前記複数の支持体の間に、前記長手軸の周りで半径方向にオフセットされることを特徴とする請求項51のツール。 - 前記複数の支持体が3つの支持体を含み、
前記複数のアームが3つのアームを含み、
それにより、前記プロテーゼが前記支持体と前記アームとの間に固定されたときに前記プロテーゼを略シロツメクサ形状に変形することを特徴とする請求項51のツール。 - 人工の心臓弁を届けるためのシステムであって、
1つ以上の弁尖を支えるフレームを含む弁プロテーゼと、
近位端、遠位端、前記遠位端のヘッドを含む弁ホルダーと、
前記弁プロテーゼを前記ヘッドに取り外し可能に固定するための1つ以上のファスナーと、
を含むことを特徴とするシステム。 - 前記1つ以上のファスナーは、縫合糸を含むことを特徴とする請求項54に記載のシステム。
- 前記弁ホルダーは、それを通ってガスケット部材からのガイドレールを受容するために、前記弁プロテーゼ上のレセプタクルと並べられた複数の経路を含む請求項54に記載のシステム。
- 前記経路で受容された前記ガイドレールを切断するために、前記弁ホルダー上にアクチュエータをさらに含むことを特徴とする請求項56に記載のシステム。
- 前記弁ホルダーは、前記経路を規定する複数の管状部材を含むことを特徴とする請求項56に記載のシステム。
- 前記管状部材は、そこに受容された前記ガイドレールの各々を切断するために回転可能であることを特徴とする請求項58に記載のシステム。
- 前記アクチュエータは、前記ガイドレールの自由端をそこに固定にするための特徴を含むハウジングを含み、
前記ハウジングは、前記ガイドレールを引っ張って前記ガイドレールを壊すために前記ヘッドに対して近位方向に移動可能であることを特徴とする請求項57に記載のシステム。 - 生体の弁輪に心臓弁アセンブリを移植する方法であって、前記方法は、
第1のプロテーゼが縮められた状態で、前記第1のプロテーゼを前記生体の弁輪に挿入する工程であって、前記第1のプロテーゼはそこから伸びる複数のリーダーを含む、前記挿入する工程と、
前記第1のプロテーゼが前記生体の弁輪内で拡大された状態に拡張するように、前記第1のプロテーゼを前記生体の弁輪内に配置する工程と、
前記生体の弁輪を囲む組織に前記第1のプロテーゼを固定にする工程と、
第2の弁プロテーゼを前記リーダーに沿って進めて、移植された前記プロテーゼと係合する工程と、
を含むことを特徴とする方法。 - 前記第1のプロテーゼの縫合カフを通って複数のファスナーを方向付けることにより、前記第1のプロテーゼが組織に固定されることを特徴とする請求項61の方法。
- 前記第2のプロテーゼを前記第1のプロテーゼに固定する工程をさらに含むこと請求項61の方法。
- 前記第2のプロテーゼは、前記リーダーの保持要素によって前記第1のプロテーゼに固定されることを特徴とする請求項63の方法。
- 前記第1のプロテーゼが配置されたときに前記生体の弁輪を囲む組織は拡張することを特徴とする請求項61の方法。
- 生体の弁輪に環状の第1のプロテーゼを届ける方法であって、前記第1のプロテーゼはそこから伸びる複数のリーダーを含んでおり、
前記方法は、
前記第1のプロテーゼがデリバリーツールの遠位端に隣接して配置されるように、前記リーダーを前記デリバリーツールに固定する工程と、
前記リーダーに軸方向の張力をかけて、前記第1のプロテーゼを内向きに圧縮して縮められた状態にする工程と、
前記第1のプロテーゼが前記縮められた状態で、前記デリバリーツールの前記遠位端を生体の弁輪に導入する工程と、
前記プロテーゼが拡大された状態に拡張するように、前記第1のプロテーゼを前記生体の弁輪に配置する工程と、
を含むことを特徴とする方法。 - 前記第1のプロテーゼを前記生体の弁輪を囲む組織に固定する工程をさらに含むこと特徴とする請求項66の方法。
- 前記生体の弁輪に前記第1のプロテーゼを配置した後に、第2の弁プロテーゼを前記第1のプロテーゼに固定する工程をさらに含むことを特徴とする請求項67の方法。
- 前記第2のプロテーゼを前記第1のプロテーゼに固定する前に、第2のプロテーゼを、前記リーダーを超えて前記第1のプロテーゼに向かって進めることをさらに含むことを特徴とする請求項67の方法。
- 前記第1のプロテーゼが配置されるときに前記生体の弁輪を囲む組織は拡張することを特徴とする請求項66の方法。
- 生体の弁輪に心臓弁アセンブリを移植する方法であって、前記方法は、
縮められた状態で第1の環状のプロテーゼを拘束する工程と、
前記第1のプロテーゼを前記縮められた状態で前記生体の弁輪に導入する工程と、
前記第1のプロテーゼが拡大された状態に向かって拡張するように、前記第1のプロテーゼを前記生体の弁輪内に配置する工程と、
第2のプロテーゼを前記生体の弁輪に導入する工程と、
前記第2のプロテーゼを第1のプロテーゼに固定する工程と、
を含むことを特徴とする方法。 - 前記第2のプロテーゼが前記生体の弁輪に導入された後に、前記第2のプロテーゼは、1つ以上の結び目を前記リーダーの下方に進めることにより前記第1のプロテーゼに固定されることを特徴とする請求項71の方法。
- 生体の弁輪に心臓弁アセンブリを移植する方法であって、前記方法は、
第1のプロテーゼを生体の弁輪に導入する工程であって、前記第1のプロテーゼは、そこから伸びる複数のリーダーを含む、前記導入する工程と、
第2のプロテーゼの部分が前記リーダー上のコネクタを通り過ぎるまで、
前記第2のプロテーゼを、前記リーダーを超えて前記第1のプロテーゼに向かって方向付ける工程と、
を含むことを特徴とする方法。 - 前記第1のプロテーゼは環状部材と、前記環状部材から外側に伸びる縫合カフとを含み、
前記第2のプロテーゼは、前記リーダー上の前記コネクタを通り過ぎて、封止するように前記縫合カフと係合することを特徴とする請求項73の方法。 - 前記第2のプロテーゼが前記第1のプロテーゼに向かって前記コネクタを自由に通り過ぎることを可能にするが、前記第1のプロテーゼから離れようとする前記第2のプロテーゼの実質的な近位方向への移動を防止する先細りの矢状形状を前記コネクタが含むことを特徴とする請求項73の方法。
- 前記第2のプロテーゼが前記コネクタを通り過ぎた後に、前記コネクタの上側で前記リーダーを切断する工程をさらに含むことを特徴とする請求項73の方法。
- 前記リーダーは、前記コネクタの上側に弱い領域を含み、前記リーダーは、前記弱い領域を壊すのに十分な張力を前記リーダーにかけることにより切断されることを特徴とする請求項76の方法。
- 前記リーダーを越えて前記第2のプロテーゼを方向付ける前に、前記第2のプロテーゼ上のイントロデューサを通って前記リーダーの自由端を導入する工程をさらに含む請求項73の方法。
- 前記第2のプロテーゼから前記イントロデューサを取り除く工程をさらに含むことを特徴とする請求項78の方法。
- 前記イントロデューサは前記第2のプロテーゼの織物を通って受容された管状部材を含むことを特徴とする請求項79の方法。
- 前記第2のプロテーゼが前記コネクタを通り過ぎた後に、前記イントロデューサは前記第2のプロテーゼから取り除かれることを特徴とする請求項80の方法。
- 前記リーダーを越えて前記第2のプロテーゼを方向付けた後に、1つ以上の結び目を前記リーダーの下方に進める工程をさらに含むことを特徴とする請求項73の方法。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9402720B2 (en) | 2009-01-12 | 2016-08-02 | Valve Medical Ltd. | Modular percutaneous valve structure and delivery method |
| US10517718B2 (en) | 2009-01-12 | 2019-12-31 | Valve Medical Ltd. | Modular percutaneous valve structure and delivery method |
| JP2013517007A (ja) * | 2010-01-12 | 2013-05-16 | バルブ メディカル エルティーディー | モジュール式経皮弁構造体及び送達方法 |
| JP2018023825A (ja) * | 2010-01-12 | 2018-02-15 | バルブ メディカル エルティーディーValve Medical Ltd | モジュール式経皮弁構造体及び送達方法 |
| JP2021120019A (ja) * | 2010-01-12 | 2021-08-19 | バルブ メディカル エルティーディーValve Medical Ltd | モジュール式経皮弁構造体及び送達方法 |
| JP7612513B2 (ja) | 2010-01-12 | 2025-01-14 | バルブ メディカル エルティーディー | モジュール式経皮弁構造体及び送達方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8821569B2 (en) | 2014-09-02 |
| US20070288089A1 (en) | 2007-12-13 |
| US20070265701A1 (en) | 2007-11-15 |
| WO2007130881A3 (en) | 2008-01-31 |
| EP2023860A2 (en) | 2009-02-18 |
| US20080033543A1 (en) | 2008-02-07 |
| WO2007130881A2 (en) | 2007-11-15 |
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