Compact laser device and method for hair removal
Compact laser device and method for hair removal
Patent Office
Publication number: US2007100401
Publication date: 2007-05-03

Inventor: LIN J T (US)
- international: A61N5/06; A61B18/18; A61N5/06; A61B18/18;
- European: A61N5/067
Application number: US20050242187 20051101
Priority number(s): US20050242187 20051101

Abstract of US2007100401

A device for hair removal includes the use of infrared laser having wavelength of about 0.7 to 1.1 microns, energy per pulse of about 0.5 to 5.0 J on the skin surface and operated at about 1.0 to 5.0 Hz. The treated area includes one or more than one of the following: the hair shaft, root, hair follicle, papilla, blood vessels feeding the papilla, or blood vessels in the papilla. The delivery means includes an optical fiber or fiber bundle which delivers said laser beam to said treated skin, where the optical fibers is further connected to a hand piece containing the laser unit and optics. The laser beam is generated from a laser unit consisting of about 1 to 5 diode arrays having the same wavelength at about 0.7 to 1.1 microns, or a combination of 2 to 3 different wavelengths selected from the ranges of about 700 to 760 nm, 780 to 820 nm, 900 to 930 nm, or 970 to 990 nm.

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