Stent occlusion | Biliary stent occlusion | Device blockage | Catheter occlusion | Ureteral stent occlusion | Gastrostomy tube obstructed | Catheter blockage | Implant obstruction | Tracheal cannula obstruction | Device occlusion | CSF shunt occlusion | Plastic stent occlusion | Plastic stent reocclusion | Bronchial stent occlusion | Tracheobronchial stent occlusion | Obstructed nephrostomy | Device partial occlusion | Device complete occlusion | Ventricular drain obstruction | Gastrostomy-jejunostomy tube obstruction |