Laser apparatus for surgery of cataractous lenses

Surgery – Instruments – Light application

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606 3, 606 10, 606 15, A61N 506

Patent

active

059191864

ABSTRACT:
A method and apparatus for removing cataracts in which a flexible line preferably 1 mm or less in diameter is inserted through an incision into the anterior chamber until its end is adjacent the cataract. Coherent radiation, preferably at a frequency between 193 and 351 nm, is coupled to the cataract by an optical fiber in the line. An irrigation sleeve provided about the fiber and an aspiration sleeve extending partially around the irrigation sleeve conduct irrigating liquid to and remove ablated material from the anterior chamber and form with the optical fiber the flexible line.

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C. Davis Belcher III, "The Future", Ophthalmic Laser Therapy, vol. 2, No. 4, 1987.
C. Davis Belcher III, "Phacoablation", Ophthalmic Laser Therapy, vol. 3, No. 1, 1988.
Gailitis et al., "Comparison of Laser Phacovaporization . . . ", '78/SPIE vol. 1744, Ophthalmic Technologies II (1992).

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