JP5967937B2 - 一時的な塞栓防止デバイスおよびその送達のための医療処置 - Google Patents
一時的な塞栓防止デバイスおよびその送達のための医療処置 Download PDFInfo
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Description
選択的透過性ユニットは、大動脈弓の下行大動脈に向かって第1の方向に、および、大動脈弓の上行大動脈に向かって第2の方向に、接続ポイントから非対称に延出するよう配置される。
Claims (9)
- 患者の大動脈弓(100)への経血管送達のための、および、前記大動脈弓の少なくとも1つの血管側枝を塞栓材料(150)から一時的に保護するための折り畳み式の塞栓防止デバイス(200)であって、
前記デバイスは、防止ユニット(140)を備え、
前記防止ユニットは、
血流を伴う流れからの前記塞栓材料を防ぐために適した血液透過性ユニット(132)を備え、
前記防止ユニット(140)は接続ポイント(131)で経血管送達ユニット(130)に接続可能であり、
前記防止ユニットは、
前記血液透過性ユニット(132)の周辺(180)に少なくとも部分的に配置された前記防止ユニット(140)を支持するための第1の支持部材(133、210)を備え、
前記デバイス(200)の拡張状態で、前記接続ポイント(131)が前記第1の支持部材によって囲まれるか、または、それと一体化し、
前記経血管送達ユニット(130)が前記接続ポイント(131)で前記防止ユニット(140)と中心を外れて接続されるように、前記接続ポイント(131)は前記塞栓防止デバイスに中心を外れて配置され、
前記血液透過性ユニット(132)は非チューブ状であり、前記拡張した状態で、ほぼ平面に延出することを特徴とするデバイス。 - 前記血液透過性ユニット(132)は、前記防止ユニット(140)が前記拡張した状態において大動脈弓内に配置される場合、前記接続ポイント(131)から前記大動脈弓(100)の下行大動脈に向かって第1方向に、および、前記大動脈弓(100)の上行大動脈に向かって第2方向に、非対称に延出するように配置されることを特徴とする請求項1に記載のデバイス。
- 前記血液透過性ユニット(132)は非チューブ状であり、平らな傘、落下傘、または、キノコの形状でほぼ平面に延出し、その開口端部が前記第1の支持部材によって形成され、その開口部は、前記防止ユニット(140)が前記拡張した状態において前記大動脈弓(100)内に配されると、前記大動脈弓(100)の内部から前記大動脈の血管側枝(116、118)に配向され、
前記送達ユニット(130)が左鎖骨下動脈内に少なくとも部分的に配置されることを特徴とする請求項1に記載のデバイス。 - 前記第1の支持部材は前記デバイスの周囲に配置され、前記大動脈弓内での組織に並置されるために前記デバイスの周囲の形状は卵形であり、該卵形は、前記デバイスの遠心端部に向かって幅が増している形状であることを特徴とする請求項1に記載のデバイス。
- 前記送達デバイスは、前記デバイス(200)の長手方向で前記支持部材(133)と角度をなして配置されることを特徴とする請求項1に記載のデバイス。
- 前記デバイスは周囲を有し、デバイスの周囲に少なくとも部分的に提供される組織保護ユニットを含み、
前記組織保護ユニットは、膨張管腔(211)を介して膨張可能なまたはそれ自体が膨張可能なカフ(210)、中空のユニット、多孔性のユニット、海綿状のユニット、または、弾力性のあるユニット、前記防止デバイスの前記周囲の少なくとも一部に沿って配置されたコーティング層または表面層の形態をした柔軟なユニット、または弾性のユニットからなる群から選択される一種であることを特徴とする請求項1に記載のデバイス。 - 前記支持部材から延出するとともにフレームワークの形態で前記血液透過性ユニット(132)を支持するよう配置された複数の支柱を備え、
前記支柱は弾力性を有することを特徴とする請求項1に記載のデバイス。 - 前記遠心端部で遠位翼部分を含み、
前記遠位翼部分は、その端部において、前記大動脈弓(100)から上行大動脈および/または下行大動脈に、特定の距離、下方に延出するように形作られることを特徴とする請求項4に記載のデバイス。 - 請求項1乃至8のいずれか1項に記載の折り畳み式の塞栓防止デバイスのキットであって、
前記キットは、
前記折り畳み式の塞栓防止デバイスを前記大動脈弓(100)の血管側枝(120)を通って前記大動脈弓(100)に送達するのに適した経血管送達ユニットと、
導入器ユニットをさらに含むことを特徴とするキット。
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PCT/EP2009/061509 WO2010026240A1 (en) | 2008-09-04 | 2009-09-04 | Temporary embolic protection device and medical procedure for delivery thereof |
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