Patent ID: 6058937
Filing Date: 2000-05-09
Classification: A61N

Abstract:
A method for administering photodynamic therapy to a vascularized tissue located within or in contact with a hollow organ in the body of a patient comprising the steps of:(a) presenting a source of light, said source of light providing phototherapeutic light having a wavelength suitable for photoactivating a photosensitive compound; then(b) inflating the organ with gas; and(c) positioning said light source to be in optical communication with said vascularized tissue; then(d) introducing a dosage of said photosensitive compounds into a blood vessel supplying or draining said vascularized tissue within said patient; and(e) prior to or at completion of the step of introducing a dosage of said photosensitive compounds into said blood vessel, illuminating said vascularized tissue with said phototherapeutic light and continuing said illumination for a period of time sufficient to achieve a therapeutic effect.