Method and apparatus for rapidly inflating an inflatable chamber in particular a chamber of a support device such as a mattress
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United States of America Patent
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Aug 31, 1999
Grant Date -
N/A
app pub date -
Jan 9, 1998
filing date -
Jan 13, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for rapidly inflating an inflatable chamber. The apparatus comprises inflation means 50 for inflating an inflatable chamber 14 defined by a support device 12 for supporting a patient P. The apparatus 10 comprises at least one first inflation means 52 for performing inflation at a high flow rate and at a low pressure so as to fill the volume of said chamber 14 substantially fully at a low pressure, and a second inflation means 54 for inflating at a low flow rate but at a high pressure to obtain said predetermined inflation pressure in said chamber 14. The invention makes it possible to inflate the chamber 14 rapidly, which is particularly important in medical applications.
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