An IV catheter is a thin, flexible tube inserted into a vein to deliver fluids, medications, or nutrients directly into the bloodstream. It is commonly used in hospitals and clinics for patients who need immediate treatment or hydration. The catheter is typically placed in the arm or hand and is secured with a dressing to prevent movement. The procedure for inserting an IV catheter is usually quick and performed by a trained healthcare professional. Once in place, it allows for easy access to the bloodstream, making it simpler to administer treatments without repeated needle sticks.