Apparatus for performing diagnostic and therapeutic modalities in the biliary tree
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United States of America Patent
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Jan 12, 2010
Grant Date -
Dec 2, 2004
app pub date -
Apr 13, 2004
filing date -
May 13, 1994
priority date (Note) -
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Abstract
Catheter apparatus for performing diagnostic and therapeutic modalities in the biliary tree includes a catheter with multiple lumens. A first lumen is adapted to receive a guidewire and can serve as a transport lumen for contrast agent. A second lumen carries a cutting wire for performing a sphincterotomy. A third lumen 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.
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