Patent ID: 9271709
Filing Date: 2016-03-01
CPC Classification: A61B

Claim Text:
1. A medical system for illuminating a surgical field, said system comprising: a light guide formed of a light conducting material, the light guide having proximal and distal ends; a flexible input formed of a light conducting material, the flexible input coupled to the proximal end of the light guide; a plurality of micro structures disposed along a longitudinal axis of the light guide, the plurality of micro structures configured to shape light passing therethrough and direct the light onto the surgical field while reducing shadowing; and at least some of the plurality of microstructures form at least two stair steps each having a riser surface and a step surface, the riser surface and the step surface cooperatively defining an angle therebetween, wherein the angle changes from one stair step in the at least two stair steps to another stair step in the at least two of stair steps so that light is emitted from the one stair step at a first angle and light emitted from the another stair step is emitted at an increased angle relative to the light emitted at the first angle.