
US Patent Application No: 2011/0120,461
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TRANS-FILL METHOD AND SYSTEM
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May 26, 2011
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Jan 31, 2011
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13/017,652
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Abstract
A trans-fill method and system comprising obtaining therapeutic gas from a therapeutic gas source, compressing the therapeutic gas from the therapeutic gas source in at least two stages to create an intermediate therapeutic gas stream and a high pressure therapeutic gas stream, supplying therapeutic gas to a patient from the intermediate therapeutic gas stream, and filling a cylinder with the therapeutic gas from the high pressure therapeutic gas stream substantially simultaneously with supplying therapeutic gas to the patient.
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