Invention: Laser Removal
Dr. Patricia Bath, an ophthalmologist from New York, but living in Los Angeles when she received her patent, became the first African American woman doctor to receive a patent for a medical invention. Patricia Bath's patent (no. 4,744,360), a method for removing cataract lenses, transformed eye surgery, using a laser device making the procedure more accurate.
Patricia Bath patentPatricia Bath's passionate dedication to the treatment and prevention of blindness led her to develop the Cataract Laserphaco Probe. The probe, patented in 1988, is designed to use the power of a laser to quickly and painlessly vaporize cataracts from patients' eyes, replacing the more common method of using a grinding, drill-like device ... inventors.about.com