A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 5/06 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2307654
A light delivery system (10) for use in irradiating vascular tissue includes a balloon catheter (12) with a working lumen (14) for receiving an optical fiber (28) therein and an inflation/flushing lumen (16) adapted to receive a liquid at a proximal end and leading to a space defined within the balloon member (32) attached to the distal end of the catheter. The balloon member (32) has a pattern of holes or pores (36) in the wall thereof through which the saline solution may flow when the balloon is inflated, causing any blood or other absorbing substances that may interfere with good radiant energy transmission to be flushed away from the treatment area.
Ce système (10) de projection d'un faisceau lumineux, qui sert à irradier les tissus vasculaires, comprend un cathéter à ballonnet (12) pourvu d'un passage de travail (14) destiné à recevoir une fibre optique (28) et d'un passage de gonflage/rinçage (16) destiné à recevoir un liquide au niveau d'une extrémité proximale et débouchant dans un espace délimité à l'intérieur du ballonnet (32) fixé à l'extrémité distale du cathéter. Le ballonnet (32) comporte dans sa paroi un alignement de trous ou de pores (36), à travers lesquels peut s'écouler la solution saline, lorsque le ballonnet est gonflé, de sorte que le sang ou toute autre substance absorbante qui pourrait gêner une bonne transmission de l'énergie rayonnante est évacué par rinçage de la zone de traitement.
Amplatz Curtis A.
Kasinkas Michael
Porter Christopher H.
Rydell Mark A.
Ziebol Robert J.
Illumenex Corporation
Ridout & Maybee Llp
LandOfFree
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