Patient repositioning devices comprised of inflatable sheets, air pumps, body wedges, body cushions and body pads used to facilitate patient movement in beds and to facilitate patient transfers to or from a patient surface; heel protector in the form of an adjustable, cushioned boot used to retard pressure on the heel of a patient in bed; foot and leg stabilizer wedges in the form of a cushion used to retard pressure on patient legs and feet; mobile patient transfer device comprised of a portable inflatable mattress, cart and inflation apparatus sold as a unit; inflatable mattresses used to facilitate movement of patients to or from a patient surface; patient positioning systems comprised of body wedges, body cushions, straps, sheets and body pads used to facilitate patient movement in a bed; patient positioning systems comprised of body cushions, straps and body pads used to facilitate patient movement in a chair