paraffin bath

paraffin bath [L, parum, little, affinis, related] , the application of heat to a specific area of the body through the use of paraffin. The part is quickly immersed in heated liquid wax and then withdrawn so that the wax solidifies to form an insulating layer. The procedure is repeated until the layer is 5 to 10 mm thick, and then the entire area is wrapped in an insulating material, such as a loose-fitting plastic bag or paper towels. The technique is effective for heating traumatized or inflamed areas, especially the hands, feet, and wrists, and is used primarily for patients with arthritis and rheumatism or any joint condition. Also called wax bath.