ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,643, issued on April 15, was assigned to Ecole Polytechnique Federale De Lausanne (EPFL) (Lausanne, Switzerland).

"Apparatus for treating excess intraocular fluid having an elastic membrane" was invented by Nikolaos Stergiopulos (Preverenges, Switzerland) and Constantinos Stergiopulos (Lausanne, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods are provided for treating diseases that produce elevated intraocular pressures, such as glaucoma, wherein the device includes a housing shell defining a cavity between a first end and a second end of the housing shell, and an elastic membrane disposed within the cavity to divide ...