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US 6,805,698 B2Granted
Microkeratome blade
AssigneeAlcon Inc.
InventorsJeffrey T. Shimmel, Alex C. Sacharoff, George A. Kocar, Peter Austin
Life of this patent
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Abstract
A microkeratome blade for use for the removal of the epithelial layer and underlying Basement Membrane while leaving a smooth and undisturbed Bowman's Membrane in preparation for a laser refractive surgical procedure. The blade is capable of cutting through the epithelial layer and Basement Membrane, but not capable of cutting through Bowman's Membrane.
Claims6
A microkeratome blade, comprising:
- a) a blade adapted to be held in a microkeratome;
- b) a flat side on the blade;
- c) a tapered side on the blade, the tapered side having a rounded portion;
- and
- d) a blunt tip connecting the flat side to the tapered side at the rounded section.
2 more elements
Dependencies are inferred from the claim text.