Triple lumen catheter with occlusion resistant tip

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/14 (2006.01) A61B 1/012 (2006.01) A61M 1/38 (2006.01)

Patent

CA 2519388

A catheter is provided that includes an elongated tubular body extending to a distal end. The tubular body has a first and a second lumen with a septum disposed therebetween. The tubular body includes a first wall that defines the first lumen and a second wall that defines the second lumen. A portion of the septum extends distally beyond the first lumen and the second lumen. The first wall includes a first wall extension that extends distally beyond the first lumen and is spaced apart from the portion of the septum. The first wall extension defines a concave surface facing the portion of the septum. In an alternate embodiment, the catheter includes a tip with spiraled configuration. The catheter may include a third lumen.

L'invention concerne un cathéter qui comprend un corps tubulaire allongé s'étendant vers une extrémité distale. Le corps tubulaire comprend une première lumière et une seconde lumière séparées par une cloison. Le corps tubulaire comprend une première paroi qui définit la première lumière et une seconde paroi qui définit la seconde lumière. Une partie de la cloison s'étend distalement au-delà de la première lumière et de la seconde lumière. La première paroi comprend un premier prolongement de paroi qui s'étend distalement au-delà de la première lumière et qui est à distance de la partie de la cloison. Le premier prolongement de paroi définit une surface concave faisant face à la partie de la cloison. Dans une variante, le cathéter comprend une pointe en spirale. Le cathéter peut comprendre une troisième lumière.

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