Multi-chambered sequentially pressurized air mattress with four layers
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United States of America Patent
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Sep 14, 1993
Grant Date -
N/A
app pub date -
Mar 23, 1992
filing date -
Mar 23, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention comprises an inflatable air mattress made up of four similar layers of pressurizable cells. The upper two layers are sequentially pressurizable with air pressure from a pressure generator. The lower two layers are under a constant pressure from the pressure generator. Each layer is divided into three square units containing a transversely disposed interdigitated pair of cells, to provide a wave-like motion to any patient on the mattress.
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