Low profile valve

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/10 (2006.01)

Patent

CA 2392243

An occlusion device for occluding a body conduit including an elongate tubular shaft having an inflatable balloon disposed near the elongate shaft distal end and a proximal seal having a sufficiently small profile to allow a second catheter to pass over the distal occlusion device while the inflatable balloon remains uninflated. One occlusion device includes an elongate fluid displacement rod within the occlusion device elongate shaft, providing both a fluid pressure source and a seal. The elongate rod can be rapidly advanced and retracted, providing rapid and controlled inflation and deflation of the distal balloon. Also provided are alignment devices for aligning inflation fluid sources with occlusion device tubular proximal ends which can inject fluid through the device into the distal balloon.

Un dispositif d'occlusion servant à obturer un conduit corporel comprend une tige tubulaire allongée pourvue d'un ballonnet gonflable placé à proximité de l'extrémité distale de la tige allongée, et un obturateur proximal présentant un profil suffisamment petit pour permettre à un deuxième cathéter de passer sur le dispositif d'occlusion distale quand le ballonnet gonflable est dégonflé. Un dispositif d'occlusion comprend une baguette allongée de déplacement de fluide située dans la tige allongée du dispositif d'occlusion, qui sert à la fois de source de pression de fluide et d'obturateur. La baguette allongée peut être avancée et rétractée rapidement pour permettre un gonflage et un dégonflage rapides et commandés du ballonnet distal. L'invention concerne aussi des dispositifs d'alignement servant à aligner des sources de fluide de gonflage sur l'extrémité proximale tubulaire du dispositif d'occlusion, capable d'injecter un fluide dans le ballonnet distal par l'intermédiaire du dispositif.

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