US Patent Issued to Johnson & Johnson Surgical Vision on Sept. 30 for "Pulse width modulation (PWM) operated vacuum relief valve in conjunction with an anti-vacuum surge (AVS) module" (Israeli Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,239, issued on Sept. 30, was assigned to Johnson & Johnson Surgical Vision Inc. (Irvine, Calif.).

"Pulse width modulation (PWM) operated vacuum relief valve in conjunction with an anti-vacuum surge (AVS) module" was invented by Yehuda Algawi (Binyamina, Israel), Assaf Govari (Haifa, Israel), Ilya Sitnitsky (Nahariya, Israel) and Eran Aharon (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for controlling aspiration of a phacoemulsification probe inserted into an eye includes an anti-vacuum surge (AVS) module, one or more sensors, a vacuum relief valve, and a processor. The AVS module is coupled with an aspiration channel of th...