It is molded from an old patient, looks and feels realistic, it can help people learn more about decubitus ulcer training, decubitus ulcer staging, decubitus ulcer stages, and decubitus ulcer simulations. This care model shows 4 stages of ulceration formed by pressure ulcer. Shows eschar, subcutaneous fat, undermining, tunneling, slough, eschar and exposed bone (with osteomyelitis). It could be used for incision washing, evaluation and measurement, also the measurement of wound length, depth, undermining and tunneling.