Beam positioning device for an ophthalmological instrument

Details Beam positioning device for an ophthalmological instrument Beam positioning device for an ophthalmological instrument

1993-08-04

1994-08-30

Pellegrino, Stephen C.

Surgery

Instruments

Light application

606 5, 606 11, A61B 1736

Patent

active

053423518

ABSTRACT:
For defined positioning of a laser beam in an ophthalmological instrument with a slit projection device and an optical observation unit, a focusing objective is displaced by a displacement device in a plane parallel to the observation beam path of the optical observation unit. The laser beam path and the slit projection beam path are separately deflected coaxially with the observation beam path in the direction of the target plane. Defined positioning of a laser beam in the patient's eye is achieved by means of the displacement device, which includes a displacement element connected to the focusing objective, and an operating element. The displacement device furthermore offers diverse means of adjustment.

REFERENCES:
patent: 4409979 (1983-10-01), Roussel et al.
patent: 4776335 (1988-10-01), Nakanishi et al.
patent: 5226903 (1993-07-01), Mizuno

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