A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/10 (2006.01) A61B 17/22 (2006.01)
Patent
CA 2613713
The present invention is primarily directed to a balloon catheter system comprising outer and inner conduits, wherein said inner conduit is capable of being moved along its longitudinal axis in relation to said outer conduit. An angioplastic balloon is connected between the distal portions of the two conduits, such that the distal and/or proximal end portions of said balloon is/are capable of intussusception upon proximal movement of said inner conduit in relation to said outer conduit. Finally, the system further comprises means for the introduction of an expansion fluid into the annular space formed between the inner surface of the outer conduit and the outer surface of the inner conduit as well as means for preventing pressure changes within said annular space upon axial movement of said inner conduit in relation to said outer conduit.
La présente invention concerne un système de cathéter à ballonnet doté de conduites externe et interne, ladite conduite interne étant capable d'être déplacée sur son axe longitudinal en relation avec ladite conduite externe. Un ballonnet angioplastique est rattaché entre les parties distales des deux conduites, de telle manière que les parties d'extrémités distale et/ou proximale dudit ballonnet peuvent effectuer une invagination, suite au mouvement proximal de ladite conduite interne par rapport à la conduite externe. Enfin, ce système comporte un dispositif d'introduction d'un fluide de dilatation dans l'espace annulaire formé entre la surface interne de la conduite externe et la surface externe de la conduite interne, ainsi qu'un dispositif de prévention de changements de pression au sein de l'espace annulaire, suite au mouvement axial de ladite conduite interne en fonction de ladite conduite externe.
Dubi Shay
Hirszowicz Eran
Angioslide Ltd.
Integral Ip
LandOfFree
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