A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01) A61L 29/12 (2006.01) A61L 29/04 (2006.01) A61L 29/18 (2006.01)
Patent
CA 2380113
A reinforced intravascular catheter adapted for use in performing minimally invasive medical procedures. A catheter, in accordance with the present invention, comprising an inner tubular member having an outer surface, a proximal end, a distal end, and a lumen extending therethrough. The catheter further including a support member overlaying the inner tubular member and conforming to the outer surface thereof, the support member including at least one filament forming a plurality of turns. The support member further including at least one multi-layered portion having a first layer and a plurality of additional layers, each layer comprising a plurality of turns formed by at least one filament, the plurality of additional layers each overlaying at least the first layer. The catheter also including an outer layer overlaying both the support member and the inner tubular member. A method of fabricating a catheter in accordance with the present invention is also disclosed.
L'invention concerne un cathéter intravasculaire renforcé utilisable dans des procédés médicaux peu invasifs. Ce cathéter comprend un élément tubulaire interne pourvu d'une surface externe, une extrémité proximale, une extrémité distale et une lumière traversante. Ledit cathéter renferme également un élément de support recouvrant l'élément tubulaire interne et épousant la surface externe dudit élément de support, qui comprend au moins un filament formant une pluralité de spirales. En outre, l'élément de support possède au moins une partie multi-couches comprenant une première couche et une pluralité de couches additionnelles, chaque couche renfermant une pluralité de spirales formées par au moins un filament, lesdites couches additionnelles recouvrant chacune au moins la première couche. Ledit cathéter comprend également une couche externe recouvrant à la fois l'élément de support et l'élément tubulaire interne. La présente invention concerne également un procédé de fabrication d'un cathéter.
Nguyen Simon Ngoc Huu
Nita Henry
Sarge Jeffrey A.
Boston Scientific Limited
Cassan Maclean
LandOfFree
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