A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/10 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2281625
The invention concerns a catheter (1) designed to be inserted in a corporeal duct and comprising a flexible elongated body, rigid in traction, including a sealed tubular sheath (3) for transmitting a fluid under pressure and capable of being subjected to radial collapse. Said catheter is characterised in that said sheath (3) is made at least partially of a flexible material and has a thin wall (4) with uneven surface, such that, when said sheath (3) is subjected to such a radial collapse, the irregularities at the surface thereof maintain a fluid communication (7) between said sheath (3) ends.
La présente invention concerne un cathéter (1) destiné à être introduit dans un canal corporel et comportant un corps allongé flexible, rigide en traction, qui comprend une gaine tubulaire étanche (3) pour la transmission d'un fluide sous pression et qui est susceptible de subir un collapsus radial. Selon l'invention, ce cathéter est remarquable en ce que ladite gaine (3) est réalisée au moins en partie en une matière souple et présente une paroi mince (4) à surface irrégulière, telle que, lorsque ladite gaine (3) subit un tel collapsus radial, les irrégularités de surface (5) de celle-ci laissent subsister une communication fluide (7) entre les extrémités de ladite gaine (3).
Boussignac Georges
Lesperance & Martineau
LandOfFree
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