Several well-known medical device manufacturers produce covered biliary stents. These stents are typically made of metal, such as stainless steel or nitinol, and are coated with materials like polyurethane or ePTFE (expanded polytetrafluoroethylene) to prevent tissue ingrowth and migration. Here are

Yes, sedation is typically needed for biliary stent placement, as the procedure can be uncomfortable, and it often involves the use of endoscopic techniques such as Endoscopic Retrograde Cholangiopancreatography (ERCP). Here's an overview of how sedation is used during the procedure:Types of Sedatio