Patent ID: 6536425
Filing Date: 2003-03-25
Classification: A61G,F17C

Abstract:
A litter providing a portable supply of medicinal gas comprising:a support platform constructed and arranged to support a patient in a supine position; and a gas storage vessel carried on said support platform, said gas storage vessel comprising: a plurality of hollow chambers, each having a generally ellipsoidal shape and being formed from a polymeric material; a plurality of interconnecting sections formed from a polymeric material, each being positioned between adjacent ones of said plurality of hollow chambers to interconnect said plurality of hollow chambers, each of said interconnecting sections having a maximum interior transverse dimension that is smaller than a maximum interior transverse dimension of each of said hollow chambers; a reinforcing filament wrapped around said hollow chambers and said interconnecting sections; and a housing encasing said gas storage vessel, wherein said gas storage vessel comprises at least one continuous strand of interconnected ones of said plurality of chambers spaced apart by ones of said plurality of interconnecting sections, said continuous strand being arranged in a spiral configuration, and wherein said housing has a generally circular shape conforming to the spiral configuration of said continuous strand.