Patent ID: 9439821
Filing Date: 2016-09-13
CPC Classification: A61G

Claim Text:
1. A mattress overlay system, comprising: a mattress overlay; and a bolster structure, comprised of one or more moveable bolsters configured to be placed beneath the overlay, wherein the bolsters have an elongated shape with a plurality of elongated sides, wherein each bolster includes two opposed ends spaced by the plurality of elongated sides, and wherein the overlay and the bolster structures each further comprise: a core expanse; and a coating structure bonded to the entirety of the outside of said core expanse, with the coating structure in some respiration-window regions being formed to be moisture-pervious and gas-permeable, and in other non-respiration regions being formed to be substantially moisture-impervious and gas-impermeable, and having an outer surface possessing suction-cup-like dimples to provide increased friction against a surface in immediate contact with the outer surface; wherein the coating structure of the bolster structure provides said moisture-pervious, gas-permeable respiration-window regions on the opposed ends; and wherein the non-respiration-window regions that are substantially moisture-impervious and gas-impermeable in the coating structure of the bolster structure being located along at least one of the plurality of elongated sides.