Patent ID: 7255917

Claim:
A filler material of discrete randomly placed open celled reticulated polyurethane foam pieces for use in pillows adapted to support a person who applies pressure to the filler material, the filler material comprising a plurality of reticulated 100% open cell structured foam pieces having a reticulated structure and an elongated flattened shape having an outer surface defining open regions and the pieces are of a size from approximately 1/16 to ¼ inches thick by ⅛ to ¾ inch wide by 1 to 2 inches long, the cross sectional area having sufficient flex to allow the foam piece to flexibly bend under pressure applied by a portion of the person, the foam pieces having a yield strength sufficient to enable the foam pieces to repeatedly reposition back to their original shape after removal of pressure applied by a portion of the person, wherein the filler material is adapted to let air freely pass therethrough with no obstruction between the reticulated structure members from the center region of the filler material to the exterior portion of the filler material.