Collapsible aspiration catheter

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/00 (2006.01)

Patent

CA 2272334

A partially collapsible catheter (10) is formed as a substantially-flattened tube (12) of flexible, collapsible plastic; a spacing member (32) disposed within such tube allows the tube to substantially flatten and collapse in the absence of infusion fluid, but maintains at least one channel open within the tube for allowing fluid to be aspirated therethrough. During infusion, infusion fluid expands the catheter to a generally rounded configuration. The spacing member can be incorporated within a single lumen catheter, alternatively, the spacing member can divide the tube into first and second lumens (88, 90) for providing a dual lumen catheter (60).

Un cathéter (10) partiellement repliable et réalisé sous forme d'un tube (12) sensiblement aplati en plastique souple et repliable; un élément (32) d'écartement disposé dans le tube permet à ce dernier de s'aplatir sensiblement et de se replier en l'absence de fluide de perfusion alors qu'au moins un passage reste ouvert à l'intérieur du tube pour permettre au fluide d'y être aspiré. Pendant la perfusion, le fluide de perfusion dilate le cathéter jusqu'à ce qu'il présente une configuration globalement arrondie. L'élément d'écartement peut être introduit dans un cathéter à une seule lumière ou bien il peut diviser le tube en première et deuxième lumières (88, 90) pour définir un cathéter (60) à deux lumières.

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