Surgery – Truss – Perineal
Patent
1976-09-17
1978-10-17
Kamm, William E.
Surgery
Truss
Perineal
128395, 330 43, A61B 600
Patent
active
041202937
ABSTRACT:
A laser system employs a laser amplifier doped with Neodymium ions having a planar input surface receiving a laser beam having a wavelength of 1.06 microns from a laser generator also employing a Neodymium doped crystal. The laser amplifier provides an output face axially aligned with the input face and having a diameter of approximately one-fifth of the input face diameter. Approximately 88 percent of the axial length of the amplifier crystal is tapered to provide a continuously decreasing cross-section from a point near the input face to a point near the output face and forming a tapered spontaneous pumping zone of substantially reduced diameter adjacent the output face. A special retainer encloses the laser amplifier which direct output pulses from the output face through a bronchoscope to vaporize carbon and possibly other particles located on alveoli within a lung of a living mammal. X-ray producing particles may be introduced to the alveoli for subsequent vaporization by the amplified laser beam which is sensed to provide an output for diagnosis purposes.
REFERENCES:
patent: 3467098 (1969-09-01), Ayres
patent: 3471215 (1969-10-01), Snitzer
patent: 3659613 (1972-05-01), Bredemeier
patent: 3777742 (1973-12-01), Aumiller et al.
patent: 3834391 (1974-09-01), Block
patent: 3974454 (1976-08-01), Sturel
Dulberger et al., "Electronics" Nov. 24, 1961, pp. 54-57.
A. Ward Ford Memorial Institute, Inc.
Kamm William E.
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