JP5779638B2 - 目標部位を処置する医療デバイス及び関連の方法 - Google Patents
目標部位を処置する医療デバイス及び関連の方法 Download PDFInfo
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Description
Claims (24)
- 身体内の目標部位を処置するための医療デバイスにおいて、前記医療デバイスは、近位端部及び遠位端部並びにそれらの間に延在する中心軸線を有する編組ストランドにより形成された少なくとも1層の編み地を含み、前記医療デバイスは、中央部分によって第2の概ね切頭円錐形の部分に接続された第1の概ね切頭円錐形の部分を含む拡張された予設定形態を有しており、前記医療デバイスは、診断カテーテルを通して送達されるために縮小された形態に拘束されるように構成されている、医療デバイス。
- それぞれの概ね切頭円錐形の部分が、前記拡張された予設定形態の状態で、第1端部及び第2端部、並びに、それらの間に配設された円錐形の部分を含む、請求項1に記載された医療デバイス。
- 前記第1端部が、平坦であり、互いに向き合い、前記第2端部の断面寸法よりも大きい断面寸法を有しており、前記第2端部は、前記医療デバイスの前記近位端部及び前記遠位端部に対応している、請求項2に記載された医療デバイス。
- 少なくとも1つの概ね切頭円錐形の部分が、前記第1端部から延在する円筒形の部分と、前記円筒形の部分から前記第2端部まで延在する円錐形の部分とを含む、請求項3に記載された医療デバイス。
- 前記中央部分が、前記概ね切頭円錐形の部分の前記第1端部の断面寸法より実質的に小さい断面寸法を有する、請求項2から請求項4までのいずれか一項に記載された医療デバイス。
- 前記医療デバイスが、前記拡張された予設定形態に向けて付勢されており、前記医療デバイスが、自己拡張し、拘束を解かれると、前記拡張された予設定形態へ少なくとも部分的に戻るように構成されている、請求項1から請求項5までのいずれか一項に記載された医療デバイス。
- 前記少なくとも1層の編み地が、前記第1直径を有する第1ストランドと、前記第1直径と異なる第2直径を有する第2ストランドとを含む、請求項1から請求項6までのいずれか一項に記載された医療デバイス。
- 前記編み地が、形状記憶材料を含む、請求項1から請求項7までのいずれか一項に記載された医療デバイス。
- 前記診断カテーテルが、5フレンチ以下の外径を有する、請求項1から請求項8までのいずれか一項に記載された医療デバイス。
- それぞれの概ね切頭円錐形の部分が、おおよそ同じ大きさの最大外径を有する、請求項1から請求項8までのいずれか一項に記載された医療デバイス。
- 前記円錐形の部分及び前記円筒形の部分が、同じ層の編み地から一体的に形成され、互いに接触するようになっている、請求項4から請求項10までのいずれか一項に記載された医療デバイス。
- 前記医療デバイスが、10分未満で前記目標部位を閉塞するように構成されている、請求項1から請求項11までのいずれか一項に記載された医療デバイス。
- 前記医療デバイスが、適切な血栓形成剤で被覆されるか、ポリエステル繊維で充填されるか、又は、その組み合わせである、請求項1から請求項12までのいずれか一項に記載された医療デバイス。
- 前記医療デバイスが、編組ストランドにより形成された編み地の2つ以上の層から形成されている、請求項1から請求項13までのいずれか一項に記載された医療デバイス。
- 前記送達カテーテルを通して前記医療デバイスを進行させる、配置する、又は後退させるのに必要とされる力は、0.680kgf(1.5lbf)未満であるように、前記医療デバイスが構成されている、請求項1から請求項14までのいずれか一項に記載された医療デバイス。
- 請求項1に記載された医療デバイスを送達する送達システムにおいて、前記送達システムは、
診断カテーテルと連結されるように構成された連結器組立体と、
前記連結器組立体に連結された外側管と、
前記外側管の中に配設された弾性的で柔軟な部材と、
前記外側管の中に配設された内側管であって、前記内側管は、前記連結器組立体が前記診断カテーテルに連結されるときに、前記内側管と前記診断カテーテルとの係合が容易となるように構成されるようになっている、内側管とを含み、前記内側管及び診断カテーテルが前記医療デバイスを中に受け入れるように構成されている送達システム。 - 前記連結器組立体が穴を画定し、前記内側管が前記穴を通って延在し、前記穴の中を軸線方向に移動可能であるように構成されている、請求項16に記載された送達システム。
- 前記外側管が近位端部及び遠位端部を含み、前記弾性的で柔軟な部材が前記近位端部の付近から延在し、前記連結器組立体が前記遠位端部に連結されている、請求項16に記載された送達システム。
- 前記内側管が近位端部及び遠位端部を含み、前記弾性的で柔軟な部材が、対向する第1及び第2の端部を含み、前記弾性的で柔軟な部材の前記第2の端部と前記内側管の前記近位端部とが互いに連結されている、請求項16に記載された送達システム。
- 前記弾性的で柔軟な部材は、前記連結器組立体が前記診断カテーテルに連結されるときに、前記内側管の前記遠位端部を前記診断カテーテルの管腔に隣接した位置に推進させるように構成されている、請求項19に記載された送達システム。
- 前記内側管が、前記医療デバイスを中に受け入れ、前記医療デバイスを前記診断カテーテルの中へ送達することを容易にするように構成されている、請求項16に記載された送達システム。
- 前記連結器組立体、前記外側管、前記弾性的で柔軟な部材、及び前記内側管が、共通の長手方向の軸線に沿って互いに同軸に配設されている、請求項16に記載された送達システム。
- 前記弾性的で柔軟な部材がばねを含む、請求項16に記載された送達システム。
- 前記連結器組立体が、診断カテーテルと螺合するように構成されている、請求項16に記載された送達システム。
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HK1153111A1 (en) | 2012-03-23 |
US20160151075A1 (en) | 2016-06-02 |
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BRPI0907837A2 (pt) | 2015-07-21 |
CA2714107A1 (en) | 2009-08-27 |
MX2010008528A (es) | 2010-08-31 |
US20200367905A1 (en) | 2020-11-26 |
EP2244666A1 (en) | 2010-11-03 |
WO2009105365A1 (en) | 2009-08-27 |
CN101945620B (zh) | 2014-12-24 |
AU2009215660B2 (en) | 2013-10-10 |
CA2714107C (en) | 2018-03-06 |
JP5449201B2 (ja) | 2014-03-19 |
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