ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,257, issued on Oct. 21, was assigned to Johnson & Johnson Surgical Vision Inc. (Irvine, Calif.).

"Systems and methods for providing a pulseless peristaltic pump" was invented by Nader Nazarifar (Laguna Niguel, Calif.), John C. Dunne Jr. (Costa Mesa, Calif.), Eric N. Anderfaas (Westminster, Calif.) and John Huculak (Mission Viejo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for a surgical system is disclosed, comprising system for distributing fluid in a surgical cassette, comprising at least one at least partially deformable bladder at least partially disposed on at least one rigid surface, wherein the bladder forms a portion of a...