US Patent Issued to Johnson & Johnson Surgical Vision on Aug. 11 for "Method and system for cataract tissue sensing" (Ohio, California Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,589, issued on Aug. 11, was assigned to Johnson & Johnson Surgical Vision Inc. (Irvine, Calif.).

"Method and system for cataract tissue sensing" was invented by Christopher Waid (Cincinnati), Cameron Nott (Fairfield, Ohio) and Katrina Lieu (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for sensing tissue in a phacoemulsification procedure are provided herein. A method may include generating a sensing signal through a frequency range centered at a local resonant frequency of an ultrasonic handpiece and measuring impedance characteristics of the signal at a distal end of a needle of an ultrasonic handpiece. A method...