The basic structure of the drainage tube

It is generally made of materials such as silicone rubber or polyurethane. When in use, one end of the catheter is inserted into the drainage site of the body or wound surface, and the other end can be connected to other in vitro devices such as drainage nozzles outside the body, and the drainage can be drained to the body through the action of pressure such as in vivo pressure, gravity or negative pressure suction. Supplied sterile for single use. Used to drain patient fluids, exudates, or gas out of the body. Common thoracic drainage catheters, ventricular drainage catheters, cerebrospinal fluid drainage catheters, lumbar drainage catheters, cranial drainage catheters, abdominal drainage catheters, thoracic drainage catheters, ventricular drainage catheters, bile duct drainage catheters, bile drainage catheters, etc.