Patent ID: 7509698

Claim:
A therapeutic mattress for supporting a body of a user in a prone position, comprising: a base member having first and second opposing longitudinal foam sidewalls extending upwardly from the base member to define a well, the longitudinal foam sidewalls extending in a direction substantially parallel to a longitudinal axis of the therapeutic mattress; and, a patient support member positioned in the well, the patient support member having a non-air cushion portion and an air cushion portion adjacent the non-air cushion portion, wherein the non-air cushion portion and the air cushion portion extend from approximately the first sidewall to the second sidewall, and wherein the air cushion portion comprises a first individually-zoned air cushion member and a second individually-zoned air cushion member, each air cushion member having a plurality of rows and columns of vertically extending, fluidly interconnected and self-equalizing air cells, the air cells being connected to a base of the air cushion member and extending vertically upward and generally perpendicular to the base of the air cushion member, the air cells further being independently moveable in a plurality of directions.