Air Medical Mattress

the idea of the mattress: a device that blow the air at the beginning and then the device to move air in & out of mattress to prevent bedsores for those people who have a health paralyze condition.Preferably with a cloth of cotton over the airways place to prevent abrasion.Electrically operated 220 volts.Sizes: length of 2 meters and width of 90 cm.The excess part wrapped around the core position.