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Cushioning pads filled with air that are designed to reduce pressure on specific areas of the body. These pads consist of a sealed plastic (e.g., vinyl) enclosure filled with air; the enclosure may include a valve to inflate and deflate the pad. Dedicated air pressure relief pads may be conformed in a variety of shapes and sizes. They are mainly used to distribute localized pressure to larger body areas or to shift the body weight to a different position, especially to prevent or alleviate pressure sores. Air pads are frequently used on top of chairs, wheelchairs, tables, and beds.
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