Stan Stage 4 Sacral Pressure Injury Model™VATA Inc.s 0970 0975 Stan Stage 4 Pressure Injury Model features a large sacral Stage 4 pressure injury and Stage 3 pressure injury with subcutaneous fat and granulation tissue. This model also features eschar, subcutaneous fat, undermining, tunneling, slough, eschar and exposed bone with osteomyelitis. The wounds are positioned so that they can be individually dressed or a bridging dressing can be applied to cover both, demonstrating and allowing the