US Patent Issued to Alcon on May 12 for "Otological surgery under perfluorocarbon liquids" (Texas Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,812, issued on May 12, was assigned to Alcon Inc. (Fribourg, Switzerland).

"Otological surgery under perfluorocarbon liquids" was invented by Paul R. Hallen (Colleyville, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Certain embodiments described herein provide a method of performing an otological surgical procedure including surgically accessing a middle ear, injecting a perfluorocarbon liquid into the middle ear, and suctioning the isolated blood from the middle ear without removing the perfluorocarbon liquid. The perfluorocarbon liquid is immiscible with blood for isolating blood in the middle ear from the perfluorocarbon liquid. In certain...