Photochemical ablation of gastro-intestinal tissue

Details Photochemical ablation of gastro-intestinal tissue Photochemical ablation of gastro-intestinal tissue

A - Human Necessities

61

N

A61N 5/00 (2006.01) A61B 17/00 (2006.01) A61K 41/00 (2006.01)

Patent

CA 2182010

The use of a technique for organ augmentation with gastro-intestinal tissue which is, or will be transplanted into a human or animal subject's organ. The gastro- intestinal tissue is sensitized with an effective amount of a photosensitive composition. The sensitized tissue is exposed to a source of electromagnetic radiation energy for a predetermined time, wavelength and intensity sufficient to cause cellular and/or mucosal tissue function of the sensitized tissue to diminish or cease.

L'invention concerne un procédé de traitement d'un être humain ou d'un animal amené à subir un agrandissement d'organe par l'intermédiaire du tissu gastro-intestinal (30) qui est, ou sera, transplanté par intervention chirurgicale dans l'organe du patient. Le tissu gastro-intestinal (30) est sensibilisé avec une dose efficace d'une composition photosensible. Le tissu sensibilisé est exposé à une source d'énergie (28) à rayonnement électro-magnétique sur une durée prédéterminée, une longueur d'onde et une intensité suffisantes pour faire diminuer ou cesser la fonction du tissu cellulaire et/ou muqueux du tissu sensibilisé.

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