Here is a brief overview of how a bile duct stent is inserted:- The procedure is done under sedation or general anesthesia. An endoscope (long, flexible tube with a camera) is inserted through the mouth, down the esophagus, and into the small intestine.- Using X-ray guidance, a thin tube called a ca

A PTC drain, or percutaneous transhepatic cholangiography drainage catheter, is placed into the biliary system to provide internal-external drainage of bile. The typical placement of a PTC drain is:- Access is gained percutaneously (through the skin) into the liver using a thin Chiba needle, usually