Conforming thermal pack
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United States of America Patent
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Feb 27, 2007
Grant Date -
May 1, 2003
app pub date -
Nov 1, 2001
filing date -
Nov 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flexible thermal pack to be intimately applied to a patient's body is in the form of a plastic container enclosing a chemical compound capable of an endo- or exo-thermic reaction when intermixed with a catalyst. The plastic container has a vent in one wall covered by a semipermeable membrane for passage of gas but not liquid. Also enclosed in the container is another frangible container housing a suitable catalyst for the compound.
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