Apparatus for the prevention of pressure sores; apparatus for the treatment of pressure sores; pads [pouches] for preventing pressure sores on patient bodies; pads for preventing pressure sores on patient bodies; support mattresses for preventing pressure sores; artificial skin; artificial skin for surgical purposes; insoles for corrective treatment of conditions of the feet; apparatus for the prevention of leg ulcers; apparatus for the treatment of leg ulcers; prosthetics and artificial implants; inserts for footwear [orthopaedic]; insoles for footwear [orthopaedic]; insoles for orthopedic footwear; orthopaedic inserts for footwear; orthotic footwear; orthotic inserts for footwear; soles for footwear [orthopaedic]; toe inserts for footwear [orthopaedic].