Rotationally contoured lumbar cushion

Claim 1

A rotationally contoured lumbar cushion for cradling the lumbar area while strapped to the back and facilitating turning while lying in a variety of bedrest positions comprising: a cushion block of resilient polyurethane foam material having a lower base and an upper lumbar cradle; said upper lumbar cradle including a convex surface for engaging a length of the spine along said lumbar area; a concave cradle surface formed in said lumbar cradle spanning the lumbar area laterally from adjacent one side of the back to the other; a winged cradle extension defined by said concave cradle surface extending past said lower base on opposing sides of said lower base for gripping the sides of said back, spanning said lumbar area laterally; a rotationally contoured sidewall tapering outwardly from each said opposing side of said lower base to said winged cradle extension at each side of said cushion block, the sidewalls defining defining angles between said sidewalls and the lower base of between 45° and 75°; said rotationally contoured sidewalls defining a fulcrum at the intersection of said lower base facilitating turning of said cushion block cradling said lumbar area between side rotated fetal and supine positions; said outwardly tapered sidewall and said lower base about which said cushion block rotates; strap means encircling said cushion block and a waist of said person for strapping said cushion block in a lumbar cradling position during turning; and said strap means securing said lateral winged cradle surfaces against side portions of the lower back of said person to facilitate rotation of said person without altering the cradling position of said cushion block while supporting the spine in said lumbar area.