Patent ID: 7434282
Filing Date: 2008-10-14
Classification: A61G,B29C,B29D,B29L

Abstract:
1. A cellular cushion comprising: a base comprising at least a first layer and a second layer; a plurality of hollow cells coupled to, and extending outward from, only one of said first layer and said second layer, each of said plurality of cells extends from a root defined at only one of said first layer and said second layer outwardly to a tip, said plurality of cells coupled together in flow communication via a plurality of channels extending between adjacent said cells, said plurality of channels aligned substantially within the same plane; and a sealing layer coupled to at least one of said base first and second layers, at least one of said sealing layer and said base defining a plurality of cavities therein, each of said plurality of cavities is positioned between adjacent said hollow cells such that each of said pluralities of cavities is positioned against at least one of said plurality of channels extending between adjacent said hollow cells, each of said plurality of cavities is configured to be pressurized for controlling flow communication independently to each of said plurality of hollow cells extending from the same base layer and coupled together by said at least one channel within said cellular cushion.