1. to insert a catheter into (a body part, especially the bladder) for medical purposes
Usage: chiefly British spelling; American English typically uses 'catheterize'; medical/clinical term

Examples

• The patient needed to be catheterised before surgery.
• The doctor will catheterise the urinary bladder to relieve the obstruction.
• Nurses are trained to catheterise patients safely and with minimal discomfort.
• The procedure to catheterise the heart requires specialized equipment.
• After the accident, the injured man had to be catheterised in the emergency room.