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Abstract

Disclosed is a double balloon multiple lumen nasobiliary occlusion catheter including two inflatable balloons positioned about the distal end of the catheter. The catheter comprises several lumens which are used for inflating and deflating the balloons, venting bile, and infusing and aspirating a dissolution solution. When inflated, the balloons occlude the lumen of the bile duct at two points thereby creating a sealed space between the balloons into which a treatment solution may be infused. Since this space is sealed from the remaining biliary tree, the treatment solution will find access to the gallbladder and any stones therein via the cystic duct with the exclusion of bile from the gallbladder fundus, or it will be confined in high concentration around bile duct gallstones located between the inflated balloons. While the treatment solution is applied to the gallstones, bile is excluded from the treatment site.

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First Claim