Apparatus for performing diagnostic and therapeutic modalities in the biliary tree

摘要

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 (20) carries a cutting wire (31) for performing a sphincterotomy. A third lumen (17) 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. <IMAGE> <IMAGE>