Mattress with combination of pressure redistribution and internal air flow guides

摘要

Body support systems such as mattresses include breathing layers that define internal air flow guides and form part of the structure for pressure redistribution. At least one air flow unit is coupled for fluid communication with the breathing layers so that heat and moisture may be drawn away from an uppermost comfort layer or body-supporting layer, through the breathing layers, and exhausted out of the body support system. Alternatively, air may be directed through permeable portions of the layers of the body support system to the uppermost layer, particularly at the torso supporting region.

主权项

1. A body support system, comprising:
an articulated base defining a length and a width and a longitudinal axis, said articulated base having a plurality of channels defining bending locations; a first breathing layer disposed over the articulated base, said first breathing layer defining multiple rows of cellular polymer material wherein cellular polymer material forming at least one row is a reticulated cellular polymer having an has air permeability of at least 5 ft3/ft2/min; a second breathing layer disposed over the first breathing layer, said second breathing layer defining multiple rows of cellular polymer material wherein cellular polymer material forming at least one row is a reticulated cellular polymer having an air permeability of at least 5 ft3/ft2/min, and wherein said at least one row of the second breathing layer is positioned in relation to the at least one row of the first breathing layer to define multiple air flow paths through the first and second breathing layers with at least some of said air flow paths disposed at angles offset from vertical; and at least one air flow unit coupled to the first breathing layer for drawing air and/or moisture vapor through the first breathing layer and the second breathing layer.