The present invention includes {HEAD ~ a mattress} having {TAIL ~ a fluid based center portion} encapsulated by a stablizing visco elastic polyurethane covering adapted to prevent lateral or longitudinal movement while a patient is disposed thereon 
having
The present invention includes { HEAD ~ a mattress } having { TAIL ~ a fluid based center portion } encapsulated by a stablizing visco elastic polyurethane covering adapted to prevent lateral or longitudinal movement while a patient is disposed thereon
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH