Patients with urinary retention, benign prostatic hyperplasia or neurogenic bladder disease are common cases that require placement of a bladder drainage catheter in clinical practice. In addition, before certain types of surgery, most commonly cesarean section, patients also need to have their urine drained through a bladder catheter through the urethra.

In many cases of bladder-urethral trauma, urinary obstruction due to prostate enlargement, etc., urine cannot be expelled on its own. These cases will be resolved by the suprapubic bladder drainage method, also known as drainage, to bring urine out.