Safety filter for an ophthalmic therapeutic and/or diagnostic in

Details Safety filter for an ophthalmic therapeutic and/or diagnostic in Safety filter for an ophthalmic therapeutic and/or diagnostic in

1995-03-20

1997-06-03

Shay, David M.

Surgery

Instruments

Light application

606 4, 606 13, 351213, A61N 506

Patent

active

056349238

ABSTRACT:
The invention is directed to a safety filter for an ophthalmic therapeutic and/or diagnostic unit into which a laser beam is coupled for therapeutic purposes. The safety filter is optically dimensioned in such a way that no change in the focal intercept results when the filter is swung into the viewing beam path. The filter largely absorbs the particular laser wavelength.

REFERENCES:
patent: 4520816 (1985-06-01), Schachar et al.
patent: 4753525 (1988-06-01), Gaul et al.
patent: 4865441 (1989-09-01), Reis
patent: 5042939 (1991-08-01), Zayek
patent: 5300062 (1994-04-01), Ueno
patent: 5342351 (1994-08-01), Blaha et al.

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