Methods and apparatus for dermatology treatment are provided which involve the use of continuous wave (CW) radiation, preheating of the treatment volume, precooling, cooling during treatment and post-treatment cooling of the epidermis above the treatment volume, various beam focusing techniques to reduce...http://www.google.fr/patents/US7077840?utm_source=gb-gplus-shareBrevet US7077840 - Heads for dermatology treatment
