Balloon catheter having metal balloon and method of making same

Details Balloon catheter having metal balloon and method of making same Balloon catheter having metal balloon and method of making same

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61F 2/84 (2006.01) A61L 29/02 (2006.01)

Patent

CA 2455417

A metal balloon catheter (10) having a main tubular body, a metal balloon (14) proximate a distal end of the main tubular body (12), a central annulus extending along an entire longitudinal aspect of the catheter for accommodating a guidewire therethrough and an inflation annulus adjacent the central annulus which extends along the longitudinal axis of the main tubular body (12) and terminates in fluid flow communication with an inflation chamber of the metal balloon (14). The metal balloon catheter (10) may be either unitary integral metal catheter in which the main tubular body and the balloon are fabricated of metal, or it may consist of a polymeric main tubular body (12) and a metal balloon (14).

L'invention concerne un cathéter à ballonnet métallique comprenant un corps tubulaire principal, un ballonnet métallique placé à proximité de l'extrémité distale du corps tubulaire principal, un espace annulaire central s'étendant sur toute la longueur du cathéter, permettant le passage d'un fil-guide, et un espace annulaire de gonflage adjacent à l'espace annulaire central, qui s'étend le long de l'axe longitudinal du corps tubulaire principal et dont l'extrémité est en communication fluidique avec la chambre de gonflage du ballonnet métallique. Ce cathéter à ballonnet métallique peut être constitué soit d'un cathéter métallique unitaire formé d'une seule pièce, comprenant un corps tubulaire principal et un ballon fabriqués en métal, soit d'un corps tubulaire principal en polymère et d'un ballon métallique.

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