Patient support pad
First Claim
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1. A support pad, comprising:
- a first cushion layer;
a second cushion layer; and
a sensing device positioned between the first and second cushion layers, the sensing device comprising;
a plurality of sensing elements; and
a substrate including;
a plurality of row and column sections, each of the column sections comprising one or more expandable portions biased in a contracted position, each expandable portion being configured to move between the contracted position and an expanded position in response to pressure being applied thereto;
a plurality of tab portions, said sensing elements being respectively located on the tab portions; and
a plurality of openings defined by the row sections, the column sections, and the tab portions, said tab portions being moveable within said openings,wherein each of said tab portions has a fixed end attached to one of the row sections and a free end extending from the one of the row sections into a corresponding one of the openings.
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Abstract
A support pad, including a first cushion layer, a second cushion layer, and a sensing device, is provided. The sensing device is positioned between the first and second cushion layers. The sensing device includes a plurality of sensing elements and a substrate. The substrate includes a plurality of tab portions and a plurality of expandable portions. The sensing elements are respectively mounted to the tab portions. The expandable portions are moveable between contracted and expanded positions in response to pressure applied thereto.
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Citations
20 Claims
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1. A support pad, comprising:
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a first cushion layer; a second cushion layer; and a sensing device positioned between the first and second cushion layers, the sensing device comprising; a plurality of sensing elements; and a substrate including; a plurality of row and column sections, each of the column sections comprising one or more expandable portions biased in a contracted position, each expandable portion being configured to move between the contracted position and an expanded position in response to pressure being applied thereto; a plurality of tab portions, said sensing elements being respectively located on the tab portions; and a plurality of openings defined by the row sections, the column sections, and the tab portions, said tab portions being moveable within said openings, wherein each of said tab portions has a fixed end attached to one of the row sections and a free end extending from the one of the row sections into a corresponding one of the openings. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A support pad assembly, comprising:
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a first support pad, comprising; a first cushion layer; a second cushion layer; and a sensing device positioned between the first and second cushion layers, the sensing device comprising; a plurality of sensing elements; and a substrate including; a plurality of row and column sections, each of the column sections comprising one or more expandable portions biased in a contracted position, each expandable portion being configured to move between the contracted position and an expanded position in response to pressure being applied thereto; a plurality of tab portions, said sensing elements being respectively located on the tab portions; and a plurality of openings defined by the row sections, the column sections, and the tab portions, said tab portions being moveable within said openings, wherein each of said tab portions has a fixed end attached to one of the row sections and a free end extending from the one of the row sections into a corresponding one of the openings. - View Dependent Claims (20)
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Specification