JPWO2019169087A5 - - Google Patents

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JPWO2019169087A5
JPWO2019169087A5 JP2020545129A JP2020545129A JPWO2019169087A5 JP WO2019169087 A5 JPWO2019169087 A5 JP WO2019169087A5 JP 2020545129 A JP2020545129 A JP 2020545129A JP 2020545129 A JP2020545129 A JP 2020545129A JP WO2019169087 A5 JPWO2019169087 A5 JP WO2019169087A5
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Prior art keywords
replacement heart
valve prosthesis
heart valve
inner frame
expandable replacement
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JP2021514745A (ja
JP7362633B2 (ja
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Priority claimed from US16/286,436 external-priority patent/US11051934B2/en
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Claims (15)

  1. 圧縮位置と拡張位置との間で移行するように構成された拡張可能置換心臓弁プロテーゼ(100)であって、前記拡張可能置換心臓弁プロテーゼは、近位端部および遠位端部を有し、
    前記拡張可能置換心臓弁プロテーゼは、
    内方フレーム(120)と、
    前記内方フレーム(120)に対して連結される外方フレーム(140)と、
    前記内方フレーム(120)の内部表面内に連結された弁本体(160)と、
    前記外方フレーム(140)の内方表面に対して連結され、前記外方フレーム(140)の遠位端部を越えて遠位方向に延在する繊維スカート(180)と、
    を備え、
    前記内方フレーム(120)は、
    複数の周方向延長可能ストラット(136a,136b)、および
    複数の長手方向延長ストラット(138)
    を備える本体(122)であって、
    前記複数の周方向延長可能ストラット(136a,136b)および前記複数の長手方向延長ストラット(138)は、2列以上のセル(134a,134b)を形成する、本体と、
    前記本体(122)から遠位方向に延在する複数の内方フレームアンカリング特徴部(124)
    を備え、
    前記内方フレーム(120)は、前記拡張位置において略砂時計形状であり、
    前記外方フレーム(140)は、
    前記拡張可能置換心臓弁プロテーゼの周縁部に沿って延在する複数の連結された第1のv字形状ストラット(156a)、および
    前記連結された第1のv字形状ストラット(156a)のそれぞれの中にそれぞれが装着される、複数の別個の第2のv字形状ストラット(156b)
    を備え、
    前記弁本体(160)は、第1の方向における流れを可能にし、前記第1の方向とは逆である第2の方向における流れを防止するように構成された複数の弁尖(262)を備え、前記弁尖(262)は、前記弁本体(160)が開位置にある場合に、前記複数の弁尖(262)と前記内方フレーム(120)の前記内部表面との間における血栓の形成を低下させるために前記内方フレーム(120)の前記内部表面に対して形状合致し、
    前記繊維スカート(180)は、僧帽弁輪に接触しシールを形成するように適合されている、拡張可能置換心臓弁プロテーゼ。
  2. 前記複数の別個の第2のv字形状ストラット(156b)は、前記複数の連結された第1のv字形状ストラット(156a)よりも細い、請求項1に記載の拡張可能置換心臓弁プロテーゼ。
  3. 前記外方フレーム(140)、前記内方フレーム(120)、および前記複数の内方フレームアンカリング特徴部(124)に対して装着された剛直性改善材料(192)をさらに備え、前記剛直性改善材料(192)は、前記拡張可能置換心臓弁プロテーゼ(100)が前記拡張位置にある場合には前記内方フレームアンカリング特徴部(124)に対して張力を印加し、前記拡張可能置換心臓弁プロテーゼ(100)が前記圧縮位置にある場合には前記内方フレームアンカリング特徴部(124)に対して張力を印加しない、請求項1または2に記載の拡張可能置換心臓弁プロテーゼ。
  4. 前記複数の内方フレームアンカリング特徴部(124)は、径方向外方におよび次いで近位方向に延在し、前記複数の内方フレームアンカリング特徴部(124)のそれぞれが、アンカリング先端部(124a)で終端する、請求項1から3のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  5. 前記外方フレーム(140)の遠位端部が、前記アンカリング先端部(124a)のそれぞれの上方に長手方向に離間される、請求項4に記載の拡張可能置換心臓弁プロテーゼ。
  6. 前記外方フレーム(140)の遠位端部が、前記2列以上のセル(134a,134b)の遠位端部の近位にて終端する、請求項1から5のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  7. 前記内方フレーム(120)は、前記複数の長手方向延在ストラット(138)の中の少なくとも1つの近位端部にマッシュルーム形状タブ(104)を備える、請求項1から6のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  8. 前記内方フレーム(120)および前記外方フレーム(140)のそれぞれが、前記内方フレーム(120)および前記外方フレーム(140)の近位端部にまたはその付近に複数のアパーチャを備え、前記内方フレーム(120)の前記複数のアパーチャのそれぞれが、前記外方フレーム(140)の前記複数のアパーチャの中の1つのアパーチャに略整列する、請求項1から7のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  9. 前記外方フレームは、径方向外方に延在する複数の外方フレームアンカリング特徴部(144)を備える、請求項1から8のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  10. 前記繊維スカート(180)は、前記内方フレーム(120)と前記外方フレーム(140)との間に位置決めされる、請求項1から9のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  11. 前記複数の内方フレームアンカリング特徴部(1624)のそれぞれが、一対のL字形状アンカー(1627,1629)で終端し、前記対のL字形状アンカー(1627,1629)は、相互から径方向にオフセットされる、請求項1から10のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  12. 前記外方フレーム(140)は、隣接する連結された第1のv字形状ストラットの連結部間に延在する複数の近位方向延在ストラット(156b’)を備える、請求項1から11のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
  13. 前記外方フレーム(140)は、前記外方フレーム(140)の近位端部および遠位端部から離間された周方向ショルダ(146,148)を備え、前記周方向ショルダは、前記外方フレームの径方向最外部分である、請求項12に記載の拡張可能置換心臓弁プロテーゼ。
  14. 前記近位方向延在ストラット(156b’)は、前記周方向ショルダ(146b)から径方向内方に離間され、前記複数の第1のv字形状ストラット(156a)のそれぞれの遠位端部が、前記周方向ショルダ(146b)から径方向内方に離間される、請求項13に記載の拡張可能置換心臓弁プロテーゼ。
  15. 前記拡張可能置換心臓弁プロテーゼは、9個の内方フレームアンカリング特徴部(124)を備える、請求項1から14のいずれか一項に記載の拡張可能置換心臓弁プロテーゼ。
JP2020545129A 2018-02-28 2019-02-28 改良されたアンカーおよびシールを有する人工僧帽弁 Active JP7362633B2 (ja)

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US201862636672P 2018-02-28 2018-02-28
US62/636,672 2018-02-28
US201862781817P 2018-12-19 2018-12-19
US62/781,817 2018-12-19
US16/286,436 2019-02-26
US16/286,436 US11051934B2 (en) 2018-02-28 2019-02-26 Prosthetic mitral valve with improved anchors and seal
PCT/US2019/019976 WO2019169087A1 (en) 2018-02-28 2019-02-28 Prosthetic mitral valve with improved anchors and seal

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EP (1) EP3758652B1 (ja)
JP (2) JP7362633B2 (ja)
CN (2) CN118141569A (ja)
AU (2) AU2019228527B2 (ja)
CA (1) CA3091452A1 (ja)
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