JP5986202B2 - 折畳み可能な心臓弁を装填するためのシステム - Google Patents
折畳み可能な心臓弁を装填するためのシステム Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
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Description
本願は、2012年6月29日に出願された米国仮特許出願第61/666,187号、および2011年7月28日に出願された米国仮特許出願第61/512,637号の出願日の利得を主張するものであり、これらの開示内容は、参照することによって、ここに含まれるものとする。
本開示は、人工心臓弁のような医学装置の移植に関し、さらに詳細には、自己拡張式折畳み可能な心臓弁のような装置を送達装置内に装填するためのアセンブリおよび方法に関する。
***244は、孔230との交点に面取り面246を有しているとよい。代替的に、面取り面246は、設けられていなくてもよい。凹部226は、拡張状態にあるステント102の弁輪区域106の少なくとも一部を受け入れるのに十分な(***244によって画定された)直径および深さを有している。
Claims (22)
- 自己拡張式補綴装置を送達装置内に装填するためのアセンブリにおいて、
長軸、第1の直径を有する第1の開端、前記第1の直径よりも小さい第2の直径を有する第2の開端、および前記第1の開端から前記第2の開端に向かって遠位方向に直径が減少する壁であって、前記補綴装置を受け入れるように適合された開空間を画定している、壁を有する圧縮部材と、
長軸、基部、および前記長軸に沿って延在する貫通孔を有する支持部材であって、前記貫通孔は、挿通される前記送達装置の一部を受け入れるように寸法決めされており、前記支持部材は、前記貫通孔の周りに延在する凹部を備えており、前記凹部は、前記補綴装置の端を受け入れるように適合されており、前記支持部材および前記圧縮部材は、前記支持部材の前記基部が前記圧縮部材の前記第1の開端から比較的遠い初期位置と前記支持部材の前記基部が前記圧縮部材の前記第1の開端に比較的近い作動位置との間で、互いに対して移動可能になっており、前記初期位置から前記作動位置への前記支持部材および前記圧縮部材の移動によって、前記補綴装置が前記開空間内に少なくとも部分的に押し出され、これによって、前記補綴装置の少なくとも一部が、前記補綴装置が前記開空間内を前進するにつれて、前記圧縮部材の前記テーパ壁によって、半径方向に圧縮されるようになっている、支持部材と、
貫通するように画定された管腔を有する拘束部材であって、前記管腔は、近位端および遠位端を有しており、前記管腔の前記近位端は、前記圧縮部材の前記第2の開端を受け入れるように寸法決めされている、拘束部材と、
を備えている、ことを特徴とするアセンブリ。 - 前記管腔の遠位端は、前記送達装置の少なくとも一部を摺動可能に受け入れるように寸法決めされている、ことを特徴とする請求項1に記載のアセンブリ。
- 前記拘束部材は、前記拘束部材の前記管腔内に配置された1対のシールをさらに備えており、前記シールは、前記圧縮部材および前記送達装置を密封するように、構成され、かつ配置されている、ことを特徴とする請求項2に記載のアセンブリ。
- 前記圧縮部材は、前記圧縮部材の前記第2の開端に管状延長部を備えており、前記管状延長部は、貫通管腔を有しており、前記管状延長部は、前記拘束部材の前記近位端と係合可能になっている、ことを特徴とする請求項1に記載のアセンブリ。
- 前記圧縮部材は、前記圧縮部材の前記第2の開端に管状延長部を備えており、前記管状延長部は、貫通管腔を有しており、前記管腔は、前記第2の直径と実質的に等しい直径を有している、ことを特徴とする請求項1に記載のアセンブリ。
- 前記拘束部材の前記管腔の前記近位端は、前記管状延長部に組み込まれるように、寸法決めされ、かつ形作られている、ことを特徴とする請求項5に記載のアセンブリ。
- 前記圧縮部材の前記壁は、前記第1の開端から前記第2の端に向かって均一に直径が減少するようになっている、ことを特徴とする請求項1に記載のアセンブリ。
- 前記圧縮部材を前記支持部材に係止するための係止アセンブリをさらに備えている、ことを特徴とする請求項1に記載のアセンブリ。
- 前記係止アセンブリは、前記支持部材または前記圧縮部材の一方における雄接続部材および前記支持部材または前記圧縮部材の他方における前記雄接続部材と嵌合するための雌接続部材を備えている、ことを特徴とする請求項8に記載のアセンブリ。
- 前記雄接続部材は、前記支持部材または前記圧縮部材の一方の長軸から半径方向に延在する複数のピンを含んでおり、前記雌接続部材は、前記支持部材または前記圧縮部材の他方において前記複数のピンに嵌合するための複数の特徴部を含んでいる、ことを特徴とする請求項9に記載のアセンブリ。
- 前記支持部材は、前記支持部材を前記送達装置から取り外すことを可能にするために、前記貫通孔に連通する長手方向スリットを有している、ことを特徴とする請求項1に記載のアセンブリ。
- 前記送達カテーテルの遠位チップを密封するように構成された遠位プラグをさらに備えている、ことを特徴とする請求項1に記載のアセンブリ。
- 自己拡張式補綴装置を送達装置内に装填するための方法であって、前記送達装置は、遠位チップ、近位円錐端、保持要素、前記近位円錐端と前記保持要素との間に画定され、前記補綴装置を受け入れるように適合された区画、および前記区画を完全に覆う閉位置と前記区画を露出させる開位置との間で移動可能になっている遠位シースを有しており、前記補綴装置は、ステント、および前記ステントの一端における少なくとも1つのリテーナを備えており、拡張状態および折畳み状態を有している、方法において、
前記拡張状態にある前記補綴装置を圧縮部材内に挿入するステップであって、前記圧縮部材は、第1の開端から第2の開端に向かって直径が除々に減少する内面を有している、ステップと、
前記少なくとも1つのリテーナが前記圧縮部材の前記第2の開端から突出するまで、前記補綴装置を前記圧縮部材を通して最初に前進させるステップと、
前記補綴装置の前記少なくとも1つのリテーナが前記送達装置の前記保持要素の近くに配置されるまで、前記送達装置を前記圧縮部材の前記第1の開端を通して前進させ、前記区画を露出させるために、前記送達装置を前記開位置に移動させるステップと、
前記補綴装置の前記少なくとも1つのリテーナを前記送達装置の前記保持要素に取り付けるステップと、
前記送達装置の前記遠位シースを前記閉位置に移動させ、前記補綴装置を前記圧縮部材の前記第2の開端を通してさらに前進させるステップと、
を含んでいる、ことを特徴とする方法。 - 前記送達装置の前記遠位シースを前記閉位置に移動させる前に、前記補綴装置および前記送達装置から空気を除去するために、前記圧縮装置の少なくとも一部を無菌液によって満たすことをさらに含んでいる、ことを特徴とする請求項13に記載の方法。
- 前記補綴装置および前記送達装置からの空気の除去を容易にするために、前記圧縮部材内の前記無菌液を撹拌することをさらに含んでいる、ことを特徴とする請求項13に記載の方法。
- 前記撹拌ステップは、前記送達装置の前記保持要素に隣接する箇所の前記無菌液内において注射器を動かすことを含んでいる、ことを特徴とする請求項15に記載の方法。
- 前記充填ステップの前に、前記送達装置の前記シースを前記圧縮部材に対して密封することをさらに含んでいる、ことを特徴とする請求項14に記載の方法。
- 前記送達装置は、チューブをさらに備えており、前記チューブは、前記遠位チップに延在しており、前記シースの遠位端に隣接する箇所において前記シース内の空間に連通しており、前記方法は、前記チューブを通して無菌液を前記シース内に導くことをさらに含んでいる、ことを特徴とする請求項17に記載の方法。
- 前記チューブは、前記送達装置の前記チップを通る通路に連通しており、前記無菌液を前記チューブを通して導く前に、前記通路を密封するために、遠位プラグを前記送達装置の前記遠位チップに連結させるようになっている、ことを特徴とする請求項18に記載の方法。
- 前記密封ステップは、拘束部材の近位端を前記圧縮部材の第2の開端に組み込み、前記拘束部材の遠位端を前記送達装置の前記シースに対して密封することを含んでおり、前記補綴弁を前記圧縮部材の前記第2の開端を通してさらに前進させる前記ステップは、前記補綴弁を前記拘束部材の管腔を通して前進させることを含んでいる、ことを特徴とする請求項17に記載の方法。
- 前記補綴弁を最初に前進させる前記ステップは、支持部材を用いて、前記補綴装置を前記圧縮部材内に押し込むことを含んでおり、前記支持部材は、前記補綴装置の少なくとも一部を受け入れるように寸法決めされた凹部、孔、および前記支持部材を前記送達装置から取外すことを可能にするための前記孔に連通する長手方向スリットを有している、ことを特徴とする請求項13に記載の方法。
- 前記支持部材を前記長手方向スリットを通して前記送達装置から離脱させるステップをさらに含んでいる、ことを特徴とする請求項21に記載の方法。
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US20170202667A1 (en) | 2017-07-20 |
WO2013016519A2 (en) | 2013-01-31 |
US8931159B2 (en) | 2015-01-13 |
AU2012286789B2 (en) | 2016-10-27 |
EP2736451B1 (en) | 2019-04-17 |
WO2013016519A3 (en) | 2013-04-11 |
CA2842028A1 (en) | 2013-01-31 |
US9642703B2 (en) | 2017-05-09 |
BR112014002002A2 (pt) | 2017-02-21 |
US20130190859A1 (en) | 2013-07-25 |
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