A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/24 (2006.01) A61F 2/06 (2006.01)
Patent
CA 2525606
A method of protecting an upper and a lower body of a patient from high venous pressures comprising: providing an elongate valve stent, wherein the stent comprises a first stent member with a first tissue valve secured to a first support structure being disposed at a first end of the stent and a second stent member with a second tissue valve secured to a second support structure being disposed at an opposite second end of the stent, wherein both support structures are collapsibly expandable, the second end being connected to the first end with at least one elongate connecting member; passing the elongate valve stent through a blood vessel with the first and second support structures in a collapsed position; and securing the first support structure to an inferior vena cava and the second support structure to a superior vena cava with both support structures in an expanded shape.
L'invention porte sur un procédé de protection d'un corps supérieur et inférieur d'un patient contre les hautes pressions veineuses, ce procédé consistant à: former un stent allongé à valve comprenant un premier élément de valve tissulaire fixé à une première structure de support placée à une première extrémité du stent et un second élément pourvu d'une seconde valve tissulaire fixée à une seconde structure de support placée à une seconde extrémité opposée du stent. Les deux structures de support sont extensibles et souples, la seconde extrémité étant raccordée à la première par au moins un élément de raccordement allongé. Le procédé consiste ensuite à faire passer le stent allongé à valve dans un vaisseau sanguin, les première et seconde structures de support étant en position pliée; et fixer la première structure de support à une veine cave inférieure et la seconde structure de support à une veine cave supérieure, les deux structures de support se trouvant à l'état étendu.
Mccarthy Patrick M.
Quijano Rodolfo C.
3f Therapeutics Inc.
Mccarthy Patrick M.
Quijano Rodolfo C.
Smart & Biggar
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