Definition & Meaning of "catheter"

What is a "catheter"?

A catheter is a flexible tube that is inserted into the body to remove fluids or deliver medications directly into organs or veins. Commonly used in medical procedures, catheters can be made of materials like rubber, plastic, or silicone. They are essential in various medical treatments, including emptying the bladder, giving medications or fluids, measuring bodily functions such as blood pressure in veins or arteries, and examining and treating heart conditions. Proper use and maintenance of catheters are crucial to prevent infections and make sure that treatment is effective.