Device for controlled cooling of a surface
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United States of America Patent
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May 8, 2001
Grant Date -
N/A
app pub date -
Oct 6, 1999
filing date -
Oct 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device is described that uniformly cools a surface to a specified temperature using a mist of cryogenic fluid. The device comprises a cryogenic fluid reservoir, a valve for controllably releasing the fluid through an atomizing nozzle, a non-contact temperature sensor, and a control unit to display the measured temperature and optionally pre-set the desired surface temperature and control the valve. The application of mist can be controlled manually or electronically. This invention provides a portable tool for safely cooling skin for dermatological applications.
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