Water Mattress/ Water Bed
When a person is bedridden for an extended period, a waterbed or air mattress is often used to prevent bedsores. This bed shapes itself to the contours of the patient's body and distributes support evenly to prevent pressure points and/or skin irritations from developing.
waterbed, water mattress, or flotation mattress is a bed or mattress filled with water. Waterbeds intended for medical therapies appear in various reports...