What is a drainage catheter

<p>The <a href="https://www.leadgemcatheter.com/drainage-catheter" rel="noopener noreferrer" target="_blank">drainage catheter</a> is a medical device used for clinical surgical drainage to guide the pus, blood, and fluid accumulated between human tissues or body cavities to the outside of the body to prevent postoperative infection and promote wound healing. There are many types of surgical drainage tubes used clinically, some for urinary catheterization, some for wounds, chest cavity, brain cavity, gastrointestinal tract, biliary tract and so on. Surgical drainage is to guide the pus, blood and fluid accumulated in the body tissue or body cavity to the outside of the body to prevent postoperative infection and affect wound healing.</p><p><br></p><p>The basic structure of the drainage catheter:</p><p>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 the wound surface, and the other end can be connected to other in vitro devices such as drainage nozzles in vitro, and drains to the outside of the body through the action of pressure in the body, gravity, negative pressure or other suction. Provided aseptically and for single use. Used to drain the patient's effusion, exudate or gas to the outside of the body. Common chest drainage catheters, ventricle drainage catheters, cerebrospinal fluid drainage catheters, lumbar drainage catheters, extracranial drainage catheters, abdominal drainage tubes, thoracic drainage tubes, ventricular drainage tubes, bile duct drainage tubes, bile drainage tubes, etc.</p><p><br></p><p>Working principle of drainage catheter</p><p>Using the principle of siphon or negative pressure suction, it is placed in the surgical area or body cavity of the human body and penetrates the body through the skin incision to guide the pus, oozing blood, tissue fluid and other liquids accumulated in the human tissue or body cavity to the outside of the body to prevent the accumulation of liquid Postoperative infection. Promote wound healing and disease recovery.</p>