A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/32 (2006.01)
Patent
CA 2545151
A percutaneous harvesting device for the harvesting of tubular body members from a body is disclosed. The percutaneous harvesting device includes an endovascular guide for sufficiently straightening the tubular vessel to be removed and a perivascular cutting tool that is inserted over the endovascular guide. The cutting tool is advanced along the length of the tubular body member to be removed and it cuts body tissue (wherein the tubular body member is positioned inside the body tissue) as it is advanced. The body tissue is thus dissected from the body and can then be extracted percutaneously and rapidly from the body by pulling the endovascular guide, and the tubular body member and surrounding body tissue, from the body. The endovascular guide has one or more openings formed on the surface of the endovascular guide. The openings allow for introduced fluid to escape facilitating the removal of the endovascular guide from a tubular body member.
L'invention concerne un dispositif de prélèvement percutané destiné à prélever des éléments de corps tubulaires dans un corps. Le dispositif de prélèvement percutané comprend un guide endovasculaire destiné à suffisamment redresser le vaisseau tubulaire à retirer et un outil de coupe périvasculaire qui est inséré via le guide endovasculaire. L'outil de coupe est avancé dans le sens de la longueur de l'élément de corps tubulaire à retirer et coupe le tissu corporel (l'élément de corps tubulaire étant placé à l'intérieur du tissu corporel) à mesure qu'il avance. Le tissu corporel est ainsi disséqué et peut ensuite être retiré du corps, de façon percutanée et rapide, par extraction du corps du guide endovasculaire, et de l'élément de corps tubulaire ainsi que des tissus corporels environnants. Le guide endovasculaire comprend une ou plusieurs ouvertures formées sur la surface du guide endovasculaire. Ces ouvertures permettent l'évacuation de fluide introduit, ce qui facilite le retrait du guide endovasculaire d'un élément de corps tubulaire.
Joyce Stephen J.
Opie John C.
Gowling Lafleur Henderson Llp
Medtronic Avecor Cardiovascular Inc.
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