Pressure sore prevention device

The pressure sore prevention device comprises a bottom frame, an adjusting mechanism and an air cushion mechanism, limiting grooves are symmetrically formed in the two sides of the lower portion of the bottom frame, sliding grooves are symmetrically formed in the two sides of the surface of the bottom frame, and limiting rods are rotationally installed in threaded holes in the two sides of the lower end of the bottom frame. The adjusting mechanism comprises adjusting frames symmetrically arranged on the two sides of the bottom frame and shear type telescopic frames installed on the adjusting frames, and the air cushion mechanism comprises a plurality of air bags fixedly connected between the shear type telescopic frames and an inflation device arranged at the left ends of the air bags. The functions of movement and alternate inflation and deflation between the air bags are achieved through the adjusting mechanism and the air cushion mechanism, the skin is prevented from being pressed for a long time, cleaning