A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/01 (2006.01) A61B 17/22 (2006.01) A61F 2/01 (2006.01) A61M 25/06 (2006.01) A61M 29/02 (2006.01)
Patent
CA 2433078
A rapid exchange sheath comprising an elongate tubular member (10), a guidewire (21), and support wire (32). The guidewire passes through a first opening (21) at a distal end of the tubular member and a second opening (16) a short distance proximal from the distal end. The support wire is received in a lumen (11) of the tubular member, or, in certain embodiments, extends proximally through a third opening a short distance proximal from the distal end. The support wire (32) is adapted to receive an endoluminal medical device such as an expandable filter at a distal end. Methods of using the sheaths for deploying and/or exchanging medical device(s) in a patient's vessel are also disclosed.
L'invention concerne une gaine de remplacement rapide comprenant un élément tubulaire allongé, un fil-guide et un fil de support comprenant un filtre expansible sur son extrémité distale, le fil-guide passe à travers une première ouverture située à l'extrémité distale de l'élément, à une faible distance de cette dernière. Le fil de support est inséré dans une lumière de l'élément tubulaire ou, dans certaines formes de réalisation, passe du côté proximal à travers une troisième ouverture proximale à l'extrémité distale de l'élément tubulaire et située à une faible distance de cette dernière. L'invention concerne également des procédés consistant à utiliser ces gaines pour l'implantation et/ou le remplacement de dispositifs médicaux dans un vaisseau sanguin d'un patient.
Belef W. Martin
Tsugita Ross S.
Boston Scientific Limited
Oyen Wiggs Green & Mutala Llp
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