Establishment of skin pressure ulcer model in miniature pigs and the pathological analysis

Objective To observe the effects of different magnitudes of pressure and time on the skin of miniature pig , and make a suitable animal model for skin pressure ulcer. Methods Four miniature pigs, male, 5-6 months old, and 35-40 kg weight.The 5 cm skin incision perpendicular to the long axis of back was made on both sides of spine. A self-made pressure mode was placed beneath the incision after blunt dissection. There were 8 wounds on each...