JP2015198914A - 哺乳動物の心臓に埋設するためのデバイス - Google Patents
哺乳動物の心臓に埋設するためのデバイス Download PDFInfo
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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
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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
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- 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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Abstract
Description
(i)第1の管状ステント部材が、上大静脈内への埋設に適した寸法および構成を有し、かつ長さと、直径と、第1の端部と、第2の端部とを有すること、
(ii)第2の管状ステント部材が、下大静脈内への埋設に適した寸法および構成を有し、長さと、直径と、第1の端部と、第2の端部とを有し、かつ被覆を含まないこと、
(iii)管状ステントグラフト部材が、哺乳動物の心臓の右心房内への埋設に適した寸法および構成を有し、長さと、直径と、第1の端部と、第2の端部とを有し、ステント要素に取り付けられた被覆を含み、かつ第1の管状ステント部材と第2の管状ステント部材との間にしっかり取り付けられ、ステントグラフト部材の第2の端部が第1のステント部材の第1の端部に取り付けられ、ステントグラフト部材の第1の端部が第2のステント部材の第2の端部に取り付けられていること、ならびに
(iv)ステント弁部材が、ステント要素と該ステント要素に取り付けられた弁とを含み、前記ステントグラフト部材にしっかり取り付けられ、かつ一方向性であって、血液を大静脈から右心房へと流れさせるが逆方向へは流れさせないこと
を特徴とする。
Claims (12)
- 長手軸(12)と、第1の端部(13)と、第2の端部(14)と、血流が流れる管腔(15)とを有する、略管状(11)の、哺乳動物の心臓(50)に埋設するためのデバイス(10)であって、
−上大静脈(52)内への埋設に適した寸法および構成を有し、かつ長さ(17)と、直径(18)と、第1の端部(19)と、第2の端部(20)とを有する第1の管状ステント部材(16)、
−下大静脈(53)内への埋設に適した寸法および構成を有し、長さ(23)と、直径(24)と、第1の端部(25)と、第2の端部(26)とを有し、かつ被覆を含まない第2の管状ステント部材(22)、
−長さ(31)と、直径(32)と、第1の端部(33)と、第2の端部(34)とを有し、ステント要素(36)に取り付けられた被覆(35)を含み、
第1の管状ステント部材(16)と第2の管状ステント部材(22)との間にしっかり取り付けられ、
第2の端部(34)が第1のステント部材の第1の端部(19)に取り付けられ、第1の端部(33)が第2のステント部材の第2の端部(26)に取り付けられていること、および
哺乳動物の心臓(50)の右心房(54)内への埋設に適した寸法および構成を有していること
を特徴とする管状ステントグラフト部材(30)、ならびに
−ステント要素(41)と、該ステント要素(41)に取り付けられた弁(42)とを含み、
前記ステントグラフト部材(30)にしっかり取り付けられていること、および
一方向性であって、血液を大静脈から右心房へと流れさせるが逆方向へは流れさせないこと
を特徴とするステント弁部材(40)
を含むデバイス(10)。 - 前記第1のステント部材(16)もまた被覆を含まない、請求項1に記載のデバイス(10)。
- 視覚化要素(80)、好ましくは放射線不透過マーカーをさらに含み、視覚化要素(80)が、ステントグラフト部材(30)の第1の端部(33)が第2のステント部材(22)の第2の端部(26)に取り付けられている箇所、ステントグラフト部材(30)の第2の端部(34)が第1のステント部材(16)の第1の端部(19)に取り付けられている箇所、および/またはステント弁部材(40)がステントグラフト部材(30)へ固着されている箇所(43)のうち1以上の箇所で取り付けられている、請求項1または2に記載のデバイス(10)。
- 第1のステント部材(16)、第2のステント部材(22)、ステントグラフト部材(30)のステント要素(36)、および/またはステント弁部材(40)のステント要素(41)のうちの少なくとも1つが自己拡張式であること、および哺乳動物の心臓(50)へ導入するための圧縮状態から拡張状態へと心臓(50)内で変形できるように構成されていることを特徴とする、先の請求項のいずれかに記載のデバイス(10)。
- 直径が長手軸(12)に沿って変化する、先の請求項のいずれかに記載のデバイス(10)。
- 先の請求項のいずれかに記載のデバイス(10)であって、拡張された状態で、第1のステント部材(16)の直径(18)が第2のステント部材(22)の直径(24)より小さいデバイス(10)。
- 第1のステント部材(16)、第2のステント部材(22)、および/またはステントグラフト部材(30)それぞれの直径(18、24、32)が各部材(16、22、30)の長さ(17、23、31)に沿って変動する、先の請求項のいずれかに記載のデバイス(10)。
- 弁(42)が、1つ、2つ、または3つの弁尖(44)を含む生体弁である、先の請求項のいずれかに記載のデバイス(10)。
- 生体弁が、動物の心膜(具体的にはブタ、ウシ、ウマの心膜)から、またはヒトの心臓もしくは血管の本来の弁尖から選択される材料を含むか、またはそのような材料から成る、先の請求項のいずれかに記載のデバイス(10)。
- ステントグラフト部材(30)の被覆(35)が、ポリエステル、ポリテトラフルオロエチレン(PTFE)、発泡ポリテトラフルオロエチレン(ePTFE)、ポリビニリデンフルオライド、ポリシロキサン、ポリウレタン、ポリラクチド、ポリグリコリド、およびこれらの共重合体のうちの少なくとも1つから選択される材料を含むか、またはそのような材料から成る、先の請求項のいずれかに記載のデバイス(10)。
- 先の請求項のいずれかに記載のデバイス(10)であって、第1のステント部材(16)、第2のステント部材(22)、ステントグラフト部材(30)のステント要素(36)、および/またはステント弁部材(40)のステント要素(41)のうちの少なくとも1つが織られている、編み組まれている、またはレーザー切断されているデバイス(10)。
- 哺乳動物の三尖弁逆流を治療するための、先の請求項のいずれかに記載のデバイス(10)の使用。
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EP14163731.4A EP2929860B1 (en) | 2014-04-07 | 2014-04-07 | Device for implantation in the heart of a mammal |
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CN104970901B (zh) | 2018-10-02 |
CN104970901A (zh) | 2015-10-14 |
US10028821B2 (en) | 2018-07-24 |
EP2929860B1 (en) | 2017-06-28 |
JP6560507B2 (ja) | 2019-08-14 |
US20150282958A1 (en) | 2015-10-08 |
EP2929860A1 (en) | 2015-10-14 |
PL2929860T3 (pl) | 2018-01-31 |
ES2635438T3 (es) | 2017-10-03 |
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