Gradient index surgical illuminator

Details Gradient index surgical illuminator Gradient index surgical illuminator

A - Human Necessities

61

B

A61B 19/00 (2006.01) A61F 9/007 (2006.01) F21V 13/02 (2006.01)

Patent

CA 2605070

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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