…sterile water for the balloon, a drainage bag and a catheter valve, and lubricant containing a local anaesthetic (lidocaine gel) in a pre filled syringe…

…mg/mL), sterile gloves, fenestrated drape; full sterile attire for therapeutic drainage with an indwelling catheter. Lidocaine 10 mg/mL, 5–10 mL, 25 G…