Laser treatment for reducing wrinkles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 26, 2004
Grant Date -
Jun 20, 2002
app pub date -
Dec 15, 2000
filing date -
Dec 15, 2000
priority date (Note) -
Expired
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Abstract
Skin including wrinkles 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. This promotes deposition 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 wrinkles. The growth of dermal extracellular matrix 'bulks-up' irradiated dermal tissue. This makes the depressions or folds of the wrinkles shallower and less apparent.
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