Crank hospital beds are designed with a simple yet effective mechanism that allows caregivers to manually adjust the position of the mattress using hand-operated cranks. This feature enables healthcare providers to raise or lower the head and foot of the bed, facilitating patient comfort and enhancing medical care. The ability to adjust the bed positioning can assist in various medical procedures, improve circulation, and alleviate pressure on vulnerable areas of the body. This adaptability is especially beneficial for elderly patients or those recovering from surgeries, as it can help prevent the development of bedsores and other complications associated with prolonged immobility.