Ophthalmic light irradiation apparatus

Details Ophthalmic light irradiation apparatus Ophthalmic light irradiation apparatus

1992-12-22

1995-04-04

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Support

351205, A61B 300

Patent

active

054041848

ABSTRACT:
An ophthalmic light irradiation apparatus includes a deflection member and an operating section for driving the deflection member to deflect a laser beam to the interior of a patient's eye. The operating member includes an operating lever, a fixed ball member affixed to the operating lever, and a movable ball member integrally mounted on one end of the operating lever and movably engaged with the fixed ball member. The movable ball member is offset along the axial direction of the operating lever, which is supported so that it can be tilted in a desired direction within a plane substantially orthogonal to the axis of the lever. Movement of the movable ball member produced by tilting the operating lever is divided into first and second orthogonal directions for transmission to the deflection member. The apparatus is structurally simple in construction and has good operability enabling the laser beam to be precisely controlled.

REFERENCES:
patent: 4976528 (1990-12-01), Cuda
patent: 5000562 (1991-03-01), Ichihashi et al.
patent: 5291336 (1994-03-01), Miles

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