Non-occluding catheter bolus

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/14 (2006.01) A61J 15/00 (2006.01) A61M 1/00 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2163622

This invention is an improved catheter and bolus for delivering or suctioning fluids to the body cavity of a patient. The catheter (10) includes a tube with a proximal end for joining it to a source of fluid or suction, and a distal end connected to a bolus (320). The bolus has a tubular shaped body (321) with a tube glue area section (325) at one end, a bullet tip section (327) at the other end, and a flow passage section (326) between the connector and nose sections. The tube glue area section (325) and the flow passage section (326) have an irregularly shaped lower surface. In one aspect of the present invention the irregularly shaped surface forms an arch (328).

L'invention concerne un cathéter et une tête de cathéter améliorés servant à injecter à un patient ou à prélever sur lui des fluides dans une cavité de son corps. Le cathéter (10) comprend un tube dont l'extrémité proximale est reliée à une source ou à un système d'aspiration de fluides et l'extrémité distale est reliée à une tête (320). La tête est composée d'un élément tubulaire (321) comprenant une section (325) de raccordement au tube à une extrémité, un embout (327) à l'autre extrémité et une section (326) pour le passage des fluides entre ces deux extrémités. La section (325) de raccordement au tube et la section (326) de passage ont une surface inférieure de forme irrégulière. Dans un aspect de l'invention, la surface de forme irrégulière a la forme d'une voûte (328).

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