A disposable patient transfer mattress includes a rectangular top sheet, a rectangular bottom sheet, internal baffles, and a receptacle configured to receive a connector for supplying air to inflate the mattress. The linear motor comprises a set of inner laminations, forming the stator, mounted around the outer circumference of a fixed member, and a set of outer laminations mounted spaced from the inner laminations. Each tubular antenna includes an induction coil being a spiral spring shape, and a dielectric sleeve having a hollow through hole for putting in the induction coil.