Method of hair depilation
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United States of America Patent
Stats
-
Jul 31, 2001
Grant Date -
N/A
app pub date -
Jun 18, 1999
filing date -
Oct 8, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of hair depilation using an Nd:YAG laser which causes local heating at the hair bulb due to the absorption of the oxyhemoglobin contained in the capillaries. The Nd:YAG laser operates at 1060 nanometers. Each pulse is a special pulse having a first portion and a second portion, where power output in the first portion is 20 times greater than power output in the second portion. That way, the first portion of each pulse is used to quickly heat up the tissue to a damaging temperature, and the second portion maintains that temperature to cause hair removal for the tissue.
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