Patent ID: 9138294
Filing Date: 2015-09-22
Classification: A61B,A61N

Abstract:
1. A method for treating a region of interest (ROI) of a patient's body, the method comprising: identifying an ROI of skin of the patient's body, said identified ROI including at least one venous malformation; treating the identified ROI with light having an operational wavelength at which blood in a typical vein in human skin has an absorption coefficient that at least 3.7 times higher than an absorption coeffiecient of a typical artery in human skin such as to photocoagulate a vein by selective photothermolysis of the at least one venous malformation while avoiding damage to an artery within the skin of the ROI; said blood containing about 30 percent deoxyhemoglobin and about 70 percent oxyhemoglobin.