Clot evacuation catheter

Details Clot evacuation catheter Clot evacuation catheter

A - Human Necessities

61

B

A61B 17/32 (2006.01) A61B 17/22 (2006.01) A61B 19/00 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2376869

A clot evacuation catheter (10) includes a hollow tubular body (12) disposed within an outer lumen (22). The tubular body is elongate, and includes a selectively rotatable cutting blade (14) disposed within a distal portion (20) thereof to cut clots occluded in at least one opening (44) of the cutting blade. The tubular body also includes a fluid conveying irrigation lumen (34) to deliver fluid to a distal end (35) of the catheter at predetermined times. In an alternative embodiment of the present invention, a hood member (16) extends from the distal portion of the tubular body. The hood member has a distal end (28) that is spaced from, but coaxial with, the distal portion of the tubular body through a side portion (19) of the hood member.

Un cathéter d'évacuation (10) de caillots comprend un corps tubulaire creux (12) disposé à l'intérieur d'une lumière externe (22). Le corps tubulaire est allongé et comporte une lame coupante rotative de manière sélective (14) située à l'intérieur d'une partie distale (20) conçue pour couper des caillots occlus dans au moins une ouverture (44) de la lame coupante. Le corps tubulaire comprend également une lumière d'irrigation (34) d'acheminement de fluide servant à transporter un fluide à une extrémité distale (35) du cathéter à des moments prédéterminés. Selon un mode de réalisation différent de cette invention, un élément de garniture frontale s'étend de la partie distale du corps tubulaire. Cet élément présente une extrémité distale (28) qui est éloignée, mais coaxiale à la partie distale du corps tubulaire à travers une partie latérale (19) dudit élément.

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