Surgery – Instruments – Light application
Patent
1990-05-02
1991-12-10
Pellegrino, Stephen C.
Surgery
Instruments
Light application
606 10, 128395, 128665, A61B 600
Patent
active
050714163
ABSTRACT:
A laser beam from a tunable solid state laser such as an alexandrite laser passes through a Raman shifter to produce a Raman-emitted beam with wavelength shifted so as to be able to activate a preselected photosensitizer for medical treatment. A combination of a laser and a Raman shifter with or without additionally a harmonic generator such as a frequency doubler may be also selected such that radiation with two different wavelengths can be obtained for treatment and detection.
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patent: 4676639 (1987-06-01), Van Wagenen
patent: 4784450 (1988-11-01), Jain et al.
patent: 4791927 (1988-12-01), Menger
patent: 4832483 (1989-05-01), Verma
patent: 4932934 (1990-06-01), Dougherty et al.
patent: 4957481 (1990-09-01), Gatenby
Anderson Robert S.
Heller Donald F.
Walling John C.
Metalaser Technologies, Inc.
Pellegrino Stephen C.
Shumaker Steven J.
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