MEDICAL PRODUCTS FOR THERAPEUTIC PURPOSES, NAMELY, BACK SUPPORTS, THERAPEUTIC CUSHIONING FOR LIMBS, INCONTINENT COVERS FOR PRESSURE SORE CUSHIONS AND MATTRESSES; MEDICAL SEATING AND POSITIONING PRODUCTS, NAMELY, PRESSURE SORE CUSHIONS AND COVERS THEREFORE, MATTRESSES FOR MEDICAL PURPOSES, NAMELY THERAPEUTIC MATTRESSES AND PRESSURE SORE MATTRESSES AND COVERS THEREFORE; CUSHIONING INTERFACE FOR FLAT OR CONTOURED SURFACE FORMED FROM AIR CELLS TO PROTECT SOFT TISSUE, ABSORB SHOCK, AND PROTECT AGA...