A permanent catheter is a medical device used to provide long-term access to a patient's bloodstream or urinary system. It is typically made of flexible tubing and is inserted into a vein or bladder, allowing for the delivery of medications, fluids, or the removal of waste. These catheters are often used in patients with chronic conditions or those requiring ongoing treatment, such as chemotherapy or dialysis. The placement of a permanent catheter is usually performed by a healthcare professional in a sterile environment. Common types include central venous catheters and foley catheters, each designed for specific medical needs. Proper care and maintenance are essential to prevent infections and ensure the catheter functions effectively.