ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,286, issued on Sept. 15, was assigned to Carl Zeiss Meditec AG (Jena, Germany).
"Ophthalmic surgical device" was invented by Christoph Kuebler (Oberkochen, Germany), Philipp Madlinger (Aalen, Germany) and Susanne Kohlhammer (Blaustein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic surgical device includes an irrigation line for irrigation fluid flowing from an irrigation container to a handpiece and an aspiration line for aspiration fluid flowing from the handpiece to a collecting container. A first volumetric flow rate determination apparatus is arranged upstream of the handpiece and determines a first volumetric flow rate i...