Catheters

In medicine, a catheter ( ) is a thin tube made from medical grade materials serving a broad range of functions. Catheters are medical devices that can be inserted in the body to treat diseases or perform a surgical procedure. Catheters are manufactured for specific applications, such as cardiovascular, urological, gastrointestinal, neurovascular and ophthalmic procedures. The process of inserting a catheter is called catheterization.

Catheter placed into a large vein (in for instance neck, chest, groin, arm (PICC line))

insertion of a catheter through the urethra to drain urine

intravenous tube

small medical appliance that is installed beneath the skin

catheter for insertion into a pulmonary artery

medical device

unit of length

catheter that enters the body through the skin (percutaneously) at a peripheral site, extends to the superior vena cava (a central venous trunk), and stays in place (dwells within the veins) for days or weeks

surgical procedure where a long-term opening is created between the urinary bladder and the skin

Medical device

A catheter

medical device

central venous catheter

Medical test.