Abstract: A protective assembly for the arm and leg of a patient to prevent movement and/or displacement of a catheter and the intravenous tubing attached to said catheter by casual movement of the patient within the environment of a hospital room or the home or the like. The assembly comprises a bifurcated assembly defining a mouth communication with a cavity for encompassing a limb of a patient. The two halves of the assembly are hinged together and, when closed defining an opening communicating with the cavity to receive the intravenous tubing leading to a catheter implanted in the arm of the patient. A pair of clips positioned adjacent the opening serve to immobilize the part of the tubing from the clips to catheter when the patient moves the arm.