Method and apparatus for optical inhibition of photodynamic...

Details Method and apparatus for optical inhibition of photodynamic... Method and apparatus for optical inhibition of photodynamic...

A - Human Necessities

61

N

A61N 5/06 (2006.01) A61N 5/067 (2006.01) A61K 41/00 (2006.01)

Patent

CA 2724949

A system and method are provided for preventing damage to the epidermis or other epithelial or non-target tissue during photodynamic therapy treatment. For example, an inhibiting radiation can be used to control formation of a photosensitizer from a precursor photosensitizer in the epidermis or epithelial tissue. Subsequent application of a treatment radiation can activate the photosensitizer to damage or destroy target sites while the non-target tissue remains substantially unaffected.

La présente invention concerne un système et un procédé de prévention des dommages pour l'épiderme ou autre traitement thérapeutique photodylanique de l'épiderme ou d'autres tissus épidermiques ou épithéliaux. Par exemple, un rayonnement inhibant peut être utilisé pour contrôler la formation d'un photosensibilisateur à partir d'un photosensibilisateur précurseur dans l'épiderme ou un tissu épithélial. L'application consécutive du rayonnement thérapeutique peut activer le photosensibilisateur de façon à endommager ou détruire les sites cibles alors que les tissus non cibles restent substantiellement non affectés.

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