FIELD: medical engineering. SUBSTANCE: device has mattress made of foam material with transverse ribs protruding from its upper side and sloping to its end on side of legs. It also includes pillow made of foam material with transverse ribs protruding from its upper side and sloping to its end on head side. Separating inclined transverse ribs of both parts made of foam material stretch vertebral column in two opposite directions, thus enlarging spaces between vertebras. EFFECT: release of pinched nerve endings and overloaded discs. 11 cl, 7 dwg
