JP2013034867A - 可変直径イントロデューサシースを有する送給装置 - Google Patents
可変直径イントロデューサシースを有する送給装置 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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Abstract
【解決手段】イントロデューサシース10は、所望の直径に拡張・収縮可能な管状構造体を有する。第1形態では、当該管状構造体は、第1直径と軸方向の第1長さを有する。第2形態では、当該管状構造体は、より大きな第2直径と軸方向のより短い第2長さを有する。作動装置には、内側部材と外側部材が含まれる。両部材と管状構造体の間の第1方向又は第2方向の相対的な動きに応じて、管状構造体は、第1形態あるいは第2形態の間のそれぞれに動くことができる。当該管状構造体は網状構造であることができる。当該内側及び外側部材は、反転した管状スリーブを形成する。外側スリーブの近位端は、内側スリーブの近位端に対して移動可能である。ロッキングシステムによって、イントロデューサシース10を所望の直径に固定することができる。
【選択図】図1
Description
本出願は、2011年8月2日に出願された米国仮特許出願第61/514,241号の優先権を主張する通常特許出願であり、その内容を完全な形で本明細書に引用して援用する。
Claims (20)
- イントロデューサシースを備える送給装置であって、前記イントロデューサシースは、
貫通するルーメンを形成する壁を有する管状構造体であって、第1形態と第2形態の間を可動で、第1形態では、第1直径と軸方向の第1長さを有し、第2形態では、より大きな第2直径と軸方向のより短い第2長さを有する調節可能な管状構造体と、
前記第1形態と前記第2形態の間で前記管状構造体を動かす作動装置とを
有し、
前記作動装置は、前記管状構造体を囲むために互いに連結する内側部材と外側部材を備え、前記内側部材は、管状構造体の内壁に沿って配置し、外側部材は、前記管状構造体の外壁に沿って配置し、前記外側部材と前記内側部材は、前記管状構造体に対して可動であり、
前記作動装置は、前記外側及び内側部材と前記管状構造体の間の第1方向での相対的な動きに応じて前記管状構造体が前記第1形態へ動くことを許容し、第2方向での相対的動きに応じて、前記管状構造体が前記第2形態へ動くことを許容するようなされている、
送給装置。 - 前記管状構造体は、網状構造を備える、請求項1に記載の送給装置。
- 前記管状構造体は、第1形態にバイアスするバイアス力を有する、請求項1に記載の送給装置。
- 前記管状構造体は遠位端を備え、前記作動装置は、管状構造体の遠位端あたりで反転点において反転して内側部材と外側部材を形成する環状スリーブを備え、前記反転点は、外側部材と内側部材と管状構造体の間の前記第2方向への相対的な動きに応じて管状構造体の遠位端に軸方向の力を加えるよう作動する、請求項1に記載の送給装置。
- 前記外側部材と前記内側部材の各々が近位端を備え、前記内側部材の近位端は、前記外側部材の近位端から軸方向に間隔を空けている、請求項1に記載の送給装置。
- 内側部材の近位端は固定されており、外側部材の近位端は、内側部材の固定された近位端に対して可動である、請求項5に記載の送給装置。
- さらに、前記管状構造体、前記内側部材、及び前記外側部材と連結するハブアセンブリを備える、請求項6に記載の送給装置。
- 前記管状構造体は、近位端を有し、前記管状構造体の前記近位端と前記内側部材の前記近位端は、前記ハブアセンブリの遠位端に連結している、請求項7に記載の送給装置。
- 前記ハブアセンブリの前記遠位端に連結するカニューレ筐体を更に備える、請求項8に記載の送給装置。
- 前記外側部材の近位端は、カニューレ筐体内を摺動可能なリング支持体と連結されている、請求項9に記載の送給装置。
- 前記カニューレ筐体は、そこに形成されるスロットを備え、前記リング支持体は、前記スロットを通って外側に伸びるトリガエレメントを備える、請求項10に記載の送給装置。
- 前記カニューレ筐体と可動的に連結されるカラー(a collar)と、前記カラーと前記カニューレ筐体の間の相対的位置を固定するために、前記カラーに連結されるロック可能なピンを更に備える、請求項11に記載の送給装置。
- 前記外側部材と前記内側部材は、前記管状構造体に連結されておらず、選択的に前記管状構造体を所望の直径に動かすために、前記管状構造体の各壁に沿って前記第1方向と前記第2方向の両方向に摺動可能とされている、請求項1に記載の送給装置。
- 細長い本体を有するキャリアと、
前記キャリアの領域に搭載され、サブアセンブリを形成する人工器官と、
内部に通路を有する外側シースと
を有する送給装置であって、
前記通路は、前記サブアセンブリを摺動自在に収納するように構成され、前記外側シースは、第1位置と第2位置の間を可動である操作可能部材と、貫通するルーメンを形成する壁を有する管状構造体であって、前記操作可能部材と連結された近位端を有する管状構造体と、前記管状構造体の内壁に沿って配置された内側部材であって、前記操作可能部材と連結する近位端と、遠位端とを有する内側部材と、前記管状構造体の外壁に沿って配置される外側部材であって、前記操作可能部材に連結された近位端と前記内側部材の遠位端に連結し反転可能な部材を形成する遠位端を有する外側部材とを有し、
前記第1位置と前記第2位置の間の操作可能部材の動きに応じて、前記内側部材の前記近位端と前記外側部材の前記近位端が相対的に動き、前記管状構造体の直径を選択的に変化させる、
送給装置。 - 前記外側シースは、更に、カニューレ筐体を備え、前記操作可能部材は、外側部材の近位端に連結され、カニューレ筐体に対して摺動可能に動かされるリング構造体を備える、請求項14に記載の送給装置。
- 前記操作可能部材素は、ロッキングシステムを備え、前記カニューレ筐体に対して前記リング構造体の位置を選択的に固定し、前記管状構造体の前記直径が選択的に固定されるようにした、請求項15に記載の送給装置。
- 前記管状構造体は、収縮形態となるようにするバイアス力を有する、請求項14に記載の送給装置。
- 前記管状構造体は遠位端を備え、前記反転可能部材は、前記管状構造体の前記遠位端あたりで反転点において反転する管状スリーブを備え、
第1位置への操作可能部材の動きに応じて、前記管状構造体が収縮形態に動くことができ、
第2位置への操作可能部材の動きに応じて、前記反転点が前記管状構造体の遠位端へ軸方向の力を加え、前記管状構造体を短縮し、半径方向に拡張させる、請求項17に記載の送給装置。 - イントロデューサシースの直径を変える方法であって、
ハブアセンブリに連結されたシース本体であって、、互いに連結されて、調節可能な管状構造体を囲み、反転可能な部材を形成する内側部材と外側部材を有し、前記管状構造体は、第1形態と第2形態の間を可動的で、前記第1形態では、前記管状構造体は、第1直径と軸方向の第1長さを有し、前記第2形態では、前記管状構造体は、より大きな第2直径と軸方向のより短い第2長さを有するようにされている、シース本体を提供し、
前記管状構造体に対して前記外側部材と前記内側部材を動かし、前記管状構造体が前記第1形態と前記第2形態の間で動いて、前記管状構造体の前記直径を変えるようにすることを含む、
イントロデューサシースの直径を変える方法。 - 前記管状構造体に対して前記反転可能部材の位置を固定し、前記管状構造体の前記直径を固定することを更に含む、請求項19に記載の方法。
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