Patterned thermal treatment using patterned cryogen spray and irradiation by light
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United States of America Patent
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Aug 24, 2010
Grant Date -
May 24, 2007
app pub date -
Dec 8, 2005
filing date -
Dec 10, 2004
priority date (Note) -
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Abstract
A spray of cryogen is patterned to create a pattern of cooled regions on a target tissue for cosmetic dermatological treatment. In one embodiment, the cryogen is patterned using a heated mask. An optical source is configured to irradiate the target tissue in a region at least partially overlapping the cooled regions to create a pattern of treatment zones. A control unit adjusts the timing of between the cryogen and optical pulses.
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