Laser ophthalmic surgical system

Details Laser ophthalmic surgical system Laser ophthalmic surgical system

1983-11-22

1986-01-21

Gantz, D. E.

Surgery

Truss

Pad

128395, 128397, 128398, 350 9618, 350 9626, 350 9627, 219121L, 219121LS, 219121LU, 219121LM, 372 24, 372101, A61F 506, G02B 2700, A61B 1736, A61N 506

Patent

active

045651973

ABSTRACT:
An aiming beam coincident with a laser beam is provided in a modified slit-lamp apparatus. The aiming beam is resolved into a number of images displaced with respect to the axis of the slit lamp imaging rays bracketing the intersection of the laser beam and the axis of slit lamp rays, which intersection is their common focus. As the common focus is moved close to a target tissue within the eye, the target tissue to be treated renders each of the images successively sharply visible while the other images remain blurry or not visible. Thus an efficient rough or long-range system is provided for focusing the laser on the target tissue.

REFERENCES:
patent: 3653384 (1972-04-01), Swope
patent: 3724924 (1973-04-01), Lenfaut et al.
patent: 4163148 (1979-07-01), Fritsche et al.
patent: 4289378 (1981-09-01), Remy et al.
patent: 4458683 (1984-07-01), Saito et al.

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