Sick bed ventilation system has ventilation unit moved under patient by belts round rollers to deliver controlled ventilation air for increased comfort in hot weather and to prevent bed sores

摘要

Ventilation system has a ventilation unit (20) under a patient, with belts (23) moved by rollers (11, 12) at a frame (10) and operated by cranks (111, 121) to position it. The ventilation unit (20) has a polished upper surface with ventilation holes (21) and an internal air guide path. The air supply system has a switch and a connecting hose between the supply and the ventilation unit (20). Ventilation system has a ventilation unit (20) under a patient, with belts (23) moved by rollers (11, 12) at a frame (10) and operated by cranks (111, 121) to position it. The ventilation unit (20) has a polished upper surface with ventilation holes (21) and an internal air guide path. The air supply system has a switch and a connecting hose between the supply and the ventilation unit (20). The supply delivers a specific volume of air or disconnects the air delivery. The ventilation unit (20) is within an upper woven layer and an underlay, secured to the frame (10).