Surgery – Instruments – Light application
Patent
1995-11-03
1999-01-19
Lacyk, John P.
Surgery
Instruments
Light application
606 16, 606 17, 607 93, A61B 1736
Patent
active
058609687
ABSTRACT:
A laser scanning method and apparatus having a scanning hand piece 18 connected at the free end 20 of a hollow wave guide 14 to scan a beam of laser energy 22 in a predetermined pattern to uniformly ablate in an enlarged target area. The hand piece 18 includes a hollow shaft motor 40 having a conduit mounted therein for conducting the beam of laser energy 22. The conduit 54 has a proximal end 56 in axial alignment with the longitudinal axis 60 of the hollow shaft 48 and in light energy communication with the laser energy generator 12. The distal end 58 of the conduit 54 is mounted in the hollow shaft 48 so that it is eccentrically positioned with respect to the axis 60 of the hollow shaft 48. When the motor 40 is energized, the hollow shaft 48 rotates the distal end 58 of the conduit 54 in a predetermined circular pattern to scan the laser energy uniformly and thoroughly over the tissue in the target area.
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Levy Michael B.
Schieferstein Edward S.
Wojcik Steven E.
Lacyk John P.
Luxar Corporation
Yarnell Bryan K.
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