The present invention is drawn to apparatus for transcutaneous photodynamic therapy (“PDT”) of a target tissue or compositions in a mammalian subject, which includes a light source that is external to the subject and is selected from among one or a plurality of laser diodes; light emitting diodes;...http://www.google.fr/patents/US7511031?utm_source=gb-gplus-shareBrevet US7511031 - Noninvasive vascular therapy
