Anti-skid and anti-infection percutaneous puncture biliary drainage catheter

The utility model relates to an anti-skid and anti-infection percutaneous puncture biliary tract drainage catheter, and belongs to the technical field of medical instruments. Antibacterial films are arranged on the inner side wall and the outer side wall of the drainage catheter; the outer wall of the drainage catheter body at one end far away from an operator is smooth in surface, and an anti-skid layer is arranged on the outer wall of the drainage catheter body at one end close to the operator; the anti-skid layer is provided with barb-shaped protrusions. The utility model provides a biliary tract drainage tube product which integrates skid resistance and infection resistance and is suitable for long-term drainage of a PTBD patient with a tube on the basis of nursing in a PTBD operation and a drainage tube perioperative period. The antibacterial coating layer and the anti-skid layer can effectively reduce complications of PTBD postoperative drainage tube slippage, secondary biliary tract infection and punct