noun
- thin flexible tubes inserted into the body to remove fluids or deliver medication
Usage: medical
Examples
- The nurse inserted catheters to drain fluid from the patient’s lungs.
- Urinary catheters help patients who cannot urinate normally.
- The doctor used catheters to deliver chemotherapy directly to the tumor.
- Heart catheters allow surgeons to perform procedures without open surgery.
- The hospital sterilizes all catheters before use.
- Patients with catheters require careful monitoring to prevent infection.