Patent ID: 6138046
Filing Date: 2000-10-24
Classification: A61B,A61N,G01J,G02B

Abstract:
A dosimetry probe for applying treatment light to a target tissue and for providing irradiance measurements to monitor the application of the treatment light to the target tissue, the dosimetry probe comprising a plurality of optical fibers comprising:a light delivery optical fiber having a proximal end for coupling to a source of optical radiation generating the treatment light and a distal end for placing near or into the target tissue, the light delivery optical fiber being operable to transmit the treatment light from its proximal end to its distal end to apply the treatment light to the target tissue, wherein the target tissue absorbs and scatters the treatment light; anda plurality of dosimetry optical fibers arranged substantially coextensive with the light delivery optical fiber, each of the dosimetry optical fibers having a distal end placed at a different predetermined axial distance from the distal end of the light delivery optical fiber such that light scattered by the target tissue may be directed through the plurality of dosimetry optical fibers to proximal ends thereof for providing irradiance measurements to monitor the application of the treatment light to the target tissue.