Ball, wide-angle illuminator for eye surgery

Details Ball, wide-angle illuminator for eye surgery Ball, wide-angle illuminator for eye surgery

1996-02-09

1998-07-21

Healy, Brian

Optical waveguides

With optical coupler

Input/output coupler

385 33, 385 35, 385 38, 385 77, 385 78, 385 84, 606 4, 606 15, 606 16, 606 17, G02B 626, A61B 1736

Patent

active

057845085

ABSTRACT:
The illuminator of the invention takes relatively coherent light exiting from a fiber optic cable and spreads it in an even manner over a wide viewing area of an eye retina, and by securing a transparent ball to face the light output of the fiber optic cable with an air gap in-between, thus allowing a large light index differential between the fiber material and the light refracting material while having the second surface of the ball immersed in vitreous eye fluid.

REFERENCES:
patent: 4889399 (1989-12-01), Mariani et al.
patent: 4989943 (1991-02-01), Yoshinaga et al.
patent: 5190536 (1993-03-01), Wood et al.
patent: 5246436 (1993-09-01), Rowe
patent: 5359685 (1994-10-01), Waynant et al.
patent: 5361316 (1994-11-01), Tanaka et al.

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