A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 7/12 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01) A61M 5/44 (2006.01)
Patent
CA 2437865
Balloon catheter comprising an elongate distal section and a flexible and expandable balloon accommodating said distal section, further comprising means for the supply of a pressure medium for expansion of said balloon and heating means for heating said medium, further comprising an intermediate section and a a proximal section containing a central tube, whose distal part is provided with at least one outlet for said medium within said balloon, and whose intermediate part is surrounded by an axially extending tube. The catheter has a first annular space containing a heat-insulating medium and a second annular space for a cooling medium. The invention also provides for a method for treatment by pressure and ehat of a mammalian duct or cavity.
L'invention concerne un cathéter à ballonnet comportant une partie distale allongée, ainsi qu'un ballonnet gonflable et flexible recevant ladite partie distale. Ce cathéter comporte également un moyen d'alimentation en fluide sous pression permettant de gonfler ledit ballonnet, ainsi qu'un moyen de chauffage permettant de chauffer ledit fluide. Le cathéter comporte encore une partie intermédiaire et une partie proximale contenant un tube central, dont la partie distale est pourvue d'au moins un orifice de sortie pour ledit fluide, à l'intérieur dudit ballonnet, et dont la partie intermédiaire est entourée par un tube s'étendant axialement. Ce cathéter présente un premier espace annulaire contenant un moyen calorifuge, et un deuxième espace annulaire destiné à un moyen de refroidissement. L'invention concerne également une méthode de traitement d'un conduit ou d'une cavité de mammifère par pression ou chaleur.
Sim & Mcburney
Wallsten Medical S.a.
LandOfFree
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