Photodynamic therapy

Details Photodynamic therapy Photodynamic therapy

A - Human Necessities

61

N

A61N 5/06 (2006.01)

Patent

CA 2535815

The present invention relates to a photodynamic method of treating tattoos. The method comprises: (i) intradermally delivering photosensitizer into tattooed target tissue; and (ii) irradiating the target tissue with energy at a wavelength appropriate to activate the photosensitizer. The present method causes the tattoo inks to fade or disappear completely. In preferred embodiments the tattoo will fade by at least 25%, more preferably at least 50%, even more preferably at least 75%.

L'invention concerne un procédé photodynamique de traitement des tatouages. Ce procédé consiste : (i) à injecter un photosensibilisant par voie intradermique dans un tissu cible tatoué ; et (ii) à irradier le tissu cible avec une énergie à une longueur d'onde appropriée pour activer le photosensibilisant. Ce procédé permet de décolorer les encres de tatouage ou de les faire disparaître complètement. Dans des modes de réalisation préférés, le tatouage perd au moins 25 % de sa couleur, de préférence au moins 50 %, idéalement au moins 75 %.

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