AN APPARATUS FOR REDUCING THE RISK OF DEVELOPING DECUBITUS ULCERS AND ADJUNCT TO TREATMENT THEREOF ON IMMOBILE PATIENTS

摘要

The present invention relates to an apparatus for reducing the risk of developing decubitus ulcers on bedfast or immobile patients and adjunct to the treatment thereof. Said apparatus comprising a bed frame, a plurality of spaced apart pusher assemblies transversely disposed on said bed frame, each said pusher assemblies being defined by a hollow shaft being rotatably secured to said bed frame, a worm and hollow gear combination provided on said hollow shaft, a plurality of slits spacedly provided on said hollow shaft, an internal screw shaft rotatably disposed within said hollow shaft with one end extending outwardly through said hollow gear, said internal screw shaft being provided with secondary worm and gear combination, a plurality of spaced apart internally threaded bushings screwably held along said internal screw shaft, a protruding member projecting outwardly from each internally threaded bushing and through corresponding slit of said hollow shaft, and a pusher member securedly held on each of said protruding member.