Gradient index surgical illuminator

Details Gradient index surgical illuminator Gradient index surgical illuminator

2007-10-01

2010-11-02

Truong, Bao Q (Department: 2875)

Illumination

Light fiber, rod, or pipe

Medical

C362S573000

Reexamination Certificate

active

07824089

ABSTRACT:
A gradient index wide-angle illuminator is disclosed, one embodiment comprising: a light source for providing a light beam; an optical cable, optically coupled to the light source for receiving and transmitting the light beam; a handpiece, operably coupled to the optical cable to receive the light beam; an optical fiber, operably coupled to the handpiece, wherein the optical fiber is optically coupled to the optical cable to receive and transmit the light beam; an optical element, optically coupled to a distal end of the optical fiber, for receiving the light beam and transmitting the light beam to illuminate a surgical field, wherein the optical element comprises a gradient index lens; and a cannula, operably coupled to the handpiece, for housing and directing the optical fiber and the optical element. The optical element can be a small-gauge, divergent gradient index lens having a distal surface co-incident with the distal end of the cannula. For example, the optical element can be a 19, 20 or 25 gauge optical element. Further, the cannula and the handpiece can be fabricated from biocompatible materials.

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patent: 4887190 (1989-12-01), Sadamune et al.
patent: 5624438 (1997-04-01), Turner
patent: 5738676 (1998-04-01), Hammer et al.
patent: 2005/0078910 (2005-04-01), Hickingbotham
patent: 10249674 (2004-05-01), None
patent: 1522290 (2005-04-01), None

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