The tube needs to be checked continuously for drainage of clear urine. If it is suspected that the tube is blocked try flushing it before contacting medical staff. If the patient develops pain over the nephrostomy site, this should be investigated as this may be a symptom of a blocked tube. Equipment Clean pouch Sterile water 10 ml (for flushing) Sterile saline/water (for cleaning) 5-10 ml sterile syringe Sterile gloves x 3 Dressing pack Alcohol wipe Apron