Falls from hospital beds as a result of poor mattress design: a case history.
Investigation of a series of falls from hospital beds showed that the cause was the poor design of the particular mattresses. Interior sprung mattresses of this construction are unstable at their edges and are particularly hazardous when used with the modern, rigid base hospital bed.
D001513:Beds; D004865:Equipment and Supplies, Hospital; D006801:Humans; D012449:Safety