Patent ID: 9393073
Filing Date: 2016-07-19
CPC Classification: A61B,A61N

Claim Text:
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 vein in human skin has an absorption coefficient that is k times higher than an absorption coefficient of a typical artery in human skin such as to photocoagulate said vein by selective photothermolysis of the at least one venous malformation while avoiding damage to an artery within the skin of the ROI, a value of k being between 2.77 and 3.50 or greater than or equal 3.6, said blood containing about 30 percent of deoxyhemoglobin and about 70 percent oxyhemoglobin.