This document discusses various comfort devices used in healthcare. It defines comfort and comfort devices as mechanical tools that provide optimal comfort and relieve pain, discomfort, tension and anxiety. Some key comfort devices mentioned include pillows, back rests, bed cradles, cardiac tables, mattresses, trapeze bars, footboards, trochanter rolls, sandbags, and side rails. The document explains the purpose of each device and factors that promote or inhibit patient comfort. It emphasizes that comfort devices are important for supporting patients' bodies, allowing freedom of movement, and maintaining correct positioning and alignment.