Method of treating hypotrophic scars enlarged pores
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United States of America Patent
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Mar 9, 2004
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N/A
app pub date -
Sep 18, 2000
filing date -
Sep 18, 2000
priority date (Note) -
Expired
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Abstract
Skin including hypotrophic scars is irradiated with laser radiation having a wavelength between about 525 and 550 nanometers. The irradiation is delivered at a fluence that stimulates wound healing responses without actually inflicting a wound. The wound healing properties promote growth of dermal extracellular matrix. Absorption properties of hemoglobin and melanin in the 525 to 550 nanometer wavelength range provide that wound healing response is concentrated close to upper regions of the skin and accordingly close to the location of the scars. The growth of dermal extracellular matrix 'bulks-up' irradiated dermal tissue. This makes the depressions of hypertrophic scars shallower and less apparent. The method has also been observed to cause shrinkage of enlarged pores.
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