Catheter having plurality of distal inflatable retention means

Details Catheter having plurality of distal inflatable retention means Catheter having plurality of distal inflatable retention means

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61M 25/00 (2006.01) A61M 25/04 (2006.01)

Patent

CA 2300917

The present invention is a catheter (11) to permit injection or withdrawal of fluids or to establish patency of a passageway maintaining a dual lumen tubular catheter body (13) having a drainage lumen (19) in fluid communication with an opening (21) in the catheter body at the distal end of the catheter body, an inflation lumen (25), and further including one or more of the following: inflatable tube sections (23) disposed on the distal end of catheter body for securing the distal end of the catheter body in a desired location when the tube sections are inflated, a valve (29) connected to the inflation lumen (25) for permitting back flow of the inflation fluid from the inflation lumen through the valve (29) when a preset pressure value is reached, and a hollow reservoir (51) for holding a predetermined volume of inflation fluid.

La présente invention concerne un cathéter (11) permettant d'injecter ou de retirer des fluides ou d'établir une perméabilité d'une cavité, et retenant un corps de cathéter (13) tubulaire à deux passages, comportant un passage de drainage (19) en communication fluidique avec une ouverture (21) dans le corps de cathéter à l'extrémité distale du corps de cathéter, un passage de gonflage (25), ainsi qu'un ou plusieurs éléments parmi les suivants: des segments tubulaires gonflables (23) placés à l'extrémité distale du corps de cathéter pour fixer l'extrémité distale du corps de cathéter à un endroit voulu, lorsque les segments tubulaires sont gonflés, une valve (29) reliée au passage de gonflage (25) pour permettre le retour du fluide de gonflage du passage de gonflage à travers la valve (29) lorsqu'une valeur de pression prédéterminée est atteinte, ainsi qu'un réservoir creux (51) destiné à contenir un volume prédéterminé de fluide de gonflage.

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