JP2023511316A - 低侵襲性心臓弁修復用のらせん状心臓アンカー - Google Patents
低侵襲性心臓弁修復用のらせん状心臓アンカー Download PDFInfo
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Abstract
Description
本明細書の主題は、添付の図面に関連する様々な実施形態の以下の詳細な説明を考慮することで、より完全に理解され得る。
Claims (20)
- 患者の心臓の心臓壁に植え込まれて縫合糸を固定するように構成されるアンカーアセンブリであって、前記縫合糸は人工腱索として前記心臓の弁尖から延びるように構成され、前記アンカーアセンブリは、
開放内部及び前記開放内部を覆う近位端部を画定するアンカーハブと、
前記アンカーハブから遠位に延びるらせんコイルであって、前記らせんコイルの回転により前記らせんコイルを前記心臓壁に埋め込むように構成される尖った先端部を有するらせんコイルと、
前記アンカーハブの前記開放内部内に配置され、圧縮された状態又は解放された状態のうちの一方となるように選択的に構成されるばねと、を備え、
前記ばねが前記圧縮された状態であるとき、前記ばねは遠位で、前記縫合糸が前記アンカーハブの前記開放内部内で自由に摺動するように前記アンカーハブを通って延びるための開放空間を前記アンカーハブの前記開放内部内に形成し、前記ばねが前記解放された状態であるとき、前記ばねは近位方向に拡張して前記縫合糸を前記アンカーハブの前記開放内部内でクランプする、アンカーアセンブリ。 - 前記アンカーハブの前記開放内部内に配置され、かつ前記開放内部内で移動可能な縫合糸クランププレートをさらに備える、請求項1に記載のアンカーアセンブリ。
- 前記ばねが前記解放された状態であるとき、前記縫合糸は、前記縫合糸クランププレートと前記アンカーハブとの間にクランプされる、請求項2に記載のアンカーアセンブリ。
- 前記縫合糸クランププレートは、前記縫合糸クランププレートが前記アンカーハブ内で移動するにつれて、前記開放内部内で前記アンカーハブに対して回転するように構成される、請求項2に記載のアンカーアセンブリ。
- 前記アンカーハブは、前記アンカーハブの外側のまわりに延びるスロットを備え、前記縫合糸クランププレートは、前記スロットと連係して前記縫合糸クランププレートが前記スロットに沿って移動するにつれて前記縫合糸クランププレートを回転させるように構成される一対の突起を備える、請求項4に記載のアンカーアセンブリ。
- 前記アンカーハブは前記縫合糸が内部を通過できるように構成される縫合糸ウィンドウを備え、前記縫合糸クランププレートは前記縫合糸が内部を通過できるように構成される縫合糸ウィンドウを備え、前記ばねが前記圧縮された状態であるとき、前記アンカーハブの前記縫合糸ウィンドウと前記縫合糸クランププレートの前記縫合糸ウィンドウとは互いに概ね整合されており、前記ばねが解放された状態であるとき、前記アンカーハブの前記縫合糸ウィンドウは前記縫合糸クランププレートの前記縫合糸ウィンドウから概ねずれている、請求項2に記載のアンカーアセンブリ。
- 前記アンカーハブの開口部を通ってねじ式で受容されるテザークリンプをさらに備える、請求項1に記載のアンカーアセンブリ。
- 前記ばねは、前記テザークリンプの回転によって、前記圧縮された状態から前記解放された状態に移行するように構成される、請求項7に記載のアンカーアセンブリ。
- 前記ばねと前記テザークリンプとの間に配置された縫合糸クランププレートをさらに備える、請求項7に記載のアンカーアセンブリ。
- 前記圧縮された状態では、前記ばねは前記縫合糸クランププレートによって圧縮され、前記ばねは、前記テザークリンプを回転させて、前記ばねを解放するように前記縫合糸クランププレートを移動させることによって、前記解放された状態に解放される、請求項9に記載のアンカーアセンブリ。
- 患者の心臓の心臓壁に植え込まれて縫合糸を固定するように構成されるアンカーアセンブリであって、前記縫合糸は人工腱索として前記心臓の弁尖から延びるように構成され、前記アンカーアセンブリは、
開放内部及び前記開放内部を覆う近位端部を画定するアンカーハブと、
前記アンカーハブから遠位に延びるらせんコイルであって、前記らせんコイルの回転により前記らせんコイルを前記心臓壁に埋め込むように構成される尖った先端部を有するらせんコイルと、
前記アンカーハブの前記開放内部内に配置され、かつ前記アンカーハブ内で移動可能な縫合糸クランププレートと、を備え、
前記縫合糸クランププレートが遠位状態であるとき、前記縫合糸が前記アンカーハブの前記開放内部内で自由に摺動するように前記アンカーハブを通って延びるための開放空間が前記アンカーハブの前記開放内部内に形成され、前記縫合糸クランププレートが近位状態に移動されると、前記縫合糸クランププレートは回転して前記縫合糸を前記アンカーハブに対してクランプする、アンカーアセンブリ。 - 前記アンカーハブは、前記アンカーハブの外側のまわりに延びるスロットを備え、前記縫合糸クランププレートは、前記スロットと連係して、前記縫合糸クランププレートが前記スロットに沿って移動するにつれて前記縫合糸クランププレートを回転させるように構成される一対の突起を備える、請求項11に記載のアンカーアセンブリ。
- 前記アンカーハブは前記縫合糸が内部を通過できるように構成される縫合糸ウィンドウを備え、前記縫合糸クランププレートは前記縫合糸が内部を通過できるように構成される縫合糸ウィンドウを備え、前記縫合糸クランププレートが前記遠位状態であるとき、前記アンカーハブの前記縫合糸ウィンドウと前記縫合糸クランププレートの前記縫合糸ウィンドウとは互いに概ね整合されており、前記縫合糸クランププレートが前記近位状態であるとき、前記アンカーハブの前記縫合糸ウィンドウは前記縫合糸クランププレートの前記縫合糸ウィンドウから概ねずれている、請求項11に記載のアンカーアセンブリ。
- 前記アンカーハブの開口部を通ってねじ式に受容され、前記縫合糸クランププレートと連係するテザークリンプをさらに備える、請求項11に記載のアンカーアセンブリ。
- 前記縫合糸クランププレートは、前記テザークリンプの回転によって前記遠位状態から前記近位状態に移動するように構成される、請求項14に記載のアンカーアセンブリ。
- 前記縫合糸クランププレートの前記テザークリンプとは反対の側に配置されたばねをさらに備え、前記縫合糸クランププレートが前記遠位状態にあるときに前記テザークリンプを回転させることにより、前記ばねに対する圧力が解放されて、前記ばねが前記縫合糸クランププレートを前記近位状態に保持する、請求項15に記載のアンカーアセンブリ。
- 前記アンカーハブの前記開放内部内に配置され、圧縮された状態又は解放された状態のうちの一方となるように選択的に構成されるばねをさらに備える、請求項11に記載のアンカーアセンブリ。
- 前記縫合糸クランププレートが前記遠位状態にあるとき、前記縫合糸クランププレートは、前記ばねを前記圧縮された状態に圧縮する力を加える、請求項17に記載のアンカーアセンブリ。
- 前記力が前記縫合糸クランププレートから除去されると、前記ばねは前記解放された状態に拡張して、前記縫合糸クランププレートを前記近位状態に保持する、請求項18に記載のアンカーアセンブリ。
- 前記テザークリンプは、前記テザークリンプから前記患者の血管系を通って前記患者の外に延びるテザーによって、体外から回転されるように構成される、請求項15に記載のアンカーアセンブリ。
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PCT/US2021/070046 WO2021146757A2 (en) | 2020-01-16 | 2021-01-15 | Helical cardiac anchors for minimally invasive heart valve repair |
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AR123666A1 (es) * | 2020-10-01 | 2022-12-28 | Opus Medical Therapies Llc | Soporte de anclaje transcatéter |
CN114886612B (zh) * | 2022-05-06 | 2024-04-09 | 上海以心医疗器械有限公司 | 一种锁线装置 |
WO2023220470A1 (en) * | 2022-05-13 | 2023-11-16 | Neochord, Inc. | Suture anchor for minimally invasive heart valve repair |
CN116019513B (zh) * | 2022-12-27 | 2023-10-03 | 南微纽诺医学科技(南京)有限公司 | 缝合器 |
CN116549184B (zh) * | 2023-07-05 | 2023-09-15 | 科瑞迈吉(北京)医疗科技有限公司 | 一种心脏瓣膜修复用打钉装置 |
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