Method and apparatus for vacuum-assisted light-based treatments of the skin
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United States of America Patent
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Aug 10, 2010
Grant Date -
Nov 16, 2006
app pub date -
Apr 11, 2006
filing date -
Dec 10, 2001
priority date (Note) -
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Abstract
A method and apparatus are disclosed for enhancing the absorption of light in targeted skin structures and for the inhibition of pain transmission during light based treatments of the skin. After applying a vacuum to a vacuum chamber placed on a skin target and modulating the applied vacuum, the concentration of blood and/or blood vessels is increased within a predetermined depth below the skin surface of the skin target. Optical energy associated with light directed in a direction substantially normal to a skin surface adjoining the skin target is absorbed within the predetermined depth. The apparatus is suitable for treating vascular lesions with a reduced treatment energy density level than that of the prior art and for evacuating condensed vapors produced during the cooling of skin. The vacuum chamber may also have a skin flattening transmitting element which inhibits pain transmission upon applying a sufficiently high vacuum.
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