Hair removal by selective photothermolysis with an...

Details Hair removal by selective photothermolysis with an... Hair removal by selective photothermolysis with an...

A - Human Necessities

61

N

A61N 5/06 (2006.01)

Patent

CA 2240842

This invention is a hair removal by using an Alexandrite laser (50) emitting energy between 0.2 joules to 40 joules per pulse to provide an energy fluence between 15 joules and 70 joules per centimeter square, and having a pulse duration of between 100 microseconds and 10 milliseconds. A scanner (57) may be used to direct the laser beam on the tissue (60). The skin in the area to be irradiated may be shaved prior to exposure to laser treatment, and may be also covered by a protective substance serving as a heat sink (42).

L'invention concerne un procédé pour éliminer les poils au moyen d'un laser à alexandrite (50) émettant une énergie comprise entre 0,2 joules et 40 joules par impulsion, avec une fluence énergétique de 15 à 70 joules par centimètre carré, la durée de chaque impulsion étant comprise entre 100 microsecondes et 10 millisecondes. Un scanner (75) peut être utilisé pour diriger le faisceau laser sur le tissu (60). La peau dans la région traitée par le laser peut être rasée avant le traitement et elle peut également être couverte par une substance protectrice servant de puits à chaleur (42).

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