A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 29/00 (2006.01) A61B 17/22 (2006.01) A61B 18/08 (2006.01) A61B 18/14 (2006.01) A61M 25/10 (2006.01) A61B 17/32 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2190139
Catheter apparatus (10) for performing diagnostic and therapeutic modalities in the biliary tree includes a catheter (11) with multiple lumens. A first lumen (16) is adapted to receive a guidewire and can serve as a transport lumen for contrast agent. A second lumen (17) carries a cutting wire (31) for performing a sphincterotomy. A third lumen (20) can be used as an inflation lumen for a distally located balloon. Expansion of the balloon occludes a portion of the biliary tree and allows the catheter to sweep any gallstones through the sphincter of Oddi into the duodenum.
L'invention concerne un appareil cathéter (10) pour effectuer un diagnostic et des interventions thérapeutiques sur l'arbre biliaire, constitué d'un cathéter (11) avec des canaux multiples. Un premier canal (16) est conçu pour recevoir un fil de guidage et il peut servir pour le transport de l'agent de contraste. Un second canal (17) porte un fil coupant (31) pour effectuer une sphinctérotomie. Un troisième canal (20) peut être utilisé comme canal pour gonfler un ballon disposé à l'extrémité distale. L'expansion du ballon ferme une portion de l'arbre biliaire et permet au cathéter d'évacuer les calculs biliaires par le sphincter d'Oddi dans le duodénum.
Cotton Peter B.
Eddy Bryan P.
Rowland Christopher A.
Vergano Michael G.
Boston Scientific Corporation
Boston Scientific Limited
Smart & Biggar
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