Method for depilation using pulsed electromagnetic radiation

Details Method for depilation using pulsed electromagnetic radiation Method for depilation using pulsed electromagnetic radiation

1996-02-09

1999-03-23

Shay, David M.

Surgery

Instruments

Light application

606 2, 606 10, 606 13, A61N 506

Patent

active

058852735

ABSTRACT:
A method and apparatus for removing hair is disclosed. The method includes the step of producing a plurality of pulses of incoherent electromagnetic energy. The delay between pulses is in the range of 0.1 msec to 100 msec. The incoherent electromagnetic energy is then coupled to an area of surface of the tissue that includes more than one hair follicle. One or more filters are used to provide energy having a wavelength selected in accordance with the color of the hair. The method may alternatively include the step of applying a gel on a surface of the tissue to cool the tissue. The energy heats the hairs and hair follicles, without heating the tissue. The apparatus includes a source of pulsed incoherent electromagnetic energy. The source is located within a housing, and a coupler directs the incoherent electromagnetic energy to the surface of the tissue. In an alternative arrangement a gel disposed on the surface of the tissue such that the gel cools the tissue but is not adjacent, and does not cool, the hair follicle.

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patent: 5405368 (1995-04-01), Eckhouse
patent: 5595568 (1997-01-01), Anderson
patent: 5606798 (1997-03-01), Kelman

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