Patent ID: 6027495
Filing Date: 2000-02-22
Classification: A61B,A61N

Abstract:
A laser treatment method for removal of unwanted leg veins and other vascular lesions from skin of a human, said method comprising the steps of:irradiating on a first occasion a chosen treatment site with a pulsed coherent light, at an exposure spot size of about 0.5-1.0 mm, said treatment site containing vessels having a diameter of about 0.1 to 3.0 mm, said light having:a wavelength in the range of about 700-1000 nm said light having;a power level in the range of about 40-5000 Watts;a pulse duration in the range of about 20-99 milliseconds; anda fluency in the range of above 100 J/cm.sup.2 to about 25,200 J/cm.sup.2 ;allowing the skin to heal for a time period of about 2-16 weeks; andirradiating on about 1-5 subsequent occasions each vessel previously treated with said light in said wavelength, power level and pulse duration ranges.