A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/10 (2006.01) A61M 29/02 (2006.01)
Patent
CA 2166463
This invention is directed to a balloon dilatation catheter (1) which comprises (i) a first, inflation lumen (2) extending therethrough and having distal and proximal ends, the distal end of said first lumen (2) opening into and being in fluid communication with the interior of an expandable dilatation balloon (4) having distal and proximal ends, and (ii) a second lumen (3) extending coextensively with the first lumen (1) and having proximal and distal portions, wherein the proximal portion of the second lumen (3) has an opening adjacent or distal to the proximal end of the first lumen (2), the distal section of the second lumen (3) is exterior to the balloon (4), the distal end of the second lumen (3) is open, and the second lumen (3) is capable of receiving a guidewire (9) in a sliding fit. The proximal end of the guidewire (9) may have a removably mounted slitter (20), and optionally there may be a hub means in fluid communication with the distal end of the second lumen (3).
Cette invention concerne un cathéter (1) à dilatation de ballon, comprenant: (i) un premier canal de gonflage (2) s'étendant sur toute sa longueur et ayant une extrémité distale et une extrémité proximale, l'extrémité distale dudit premier canal (2) s'ouvrant sur l'intérieur d'un ballon dilatable (4) en étant en communication fluide avec lui, ce ballon ayant une extrémité distale et une extrémité proximale, et (ii) un second canal (3) disposé le long du premier canal (1) et ayant une portion proximale et une portion distale. La portion proximale du second canal (3) a une ouverture adjacente ou éloignée de l'extrémité proximale du premier canal (2). La section distale du second canal (3) est externe au ballon (4). L'extrémité distale du second canal (3) est ouverte et le second canal (3) peut recevoir un fil de guidage (9), en coulissant sans jeu. L'extrémité proximale du fil de guidage (9) peut comporter un dispositif pour fendre (20) monté de manière amovible et, éventuellement, on peut prévoir un embout en communication fluide avec l'extrémité distale du second canal (3).
Solar Ronald J.
Cordis Corporation
Osler Hoskin & Harcourt Llp
Solar Ronald J.
LandOfFree
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