A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/12 (2006.01)
Patent
CA 2435915
A process and apparatus for occluding a vascular site. A catheter (12) having a highly distensible occlusion balloon (10) detachably mounted at a distal end thereof; is provided to the vascular site and at least partially filled with an aqueous balloon (10) inflation fluid which allows the balloon (10) placement to be imaged. The balloon is porous to the aqueous inflation fluid and the inflation fluid is gradually displaced through the balloon pores (20) by a liquid filling composition which is solidifiable on contact with the aqueous inflation fluid to produce a mass to which the balloon (10) is nonporous. The filling composition is injected to bring the balloon wall into contact with the vessel wall at the vascular site. The balloon (10) is detached from the catheter (12) after the filling composition has at least substantially solidified and the catheter (12) removed from the body.
L'invention concerne un procédé et un appareil destinés à boucher un site vasculaire. Un cathéter doté d'un ballonnet d'occlusion hautement dilatable, monté de façon détachable à une extrémité distale du cathéter, est fourni au site vasculaire et rempli au moins partiellement d'un fluide aqueux de gonflement du ballonnet qui permet de visualiser l'emplacement du ballonnet. Ce dernier est poreux au fluide de gonflement et ledit fluide est progressivement déplacé à travers les pores du ballonnet par une composition liquide de remplissage qui est solidifiable au contact du fluide aqueux de gonflement pour produire une masse à laquelle le ballonnet est non poreux. La composition de remplissage est injectée pour amener la paroi du ballonnet au contact de la paroi vasculaire au niveau du site vasculaire. Le ballonnet est détaché du cathéter après solidification substantielle de la composition de remplissage et ablation du cathéter du corps.
Chan Huey Quoc
Chien Thomas Yung-Hui
Porter Stephen Christopher
Boston Scientific Limited
Piasetzki & Nenniger Llp
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