US Patent Issued to Roche Diagnostics Operations on Oct. 20 for "Detection of air bubbles in optical detection unit" (Swiss, German Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,797, issued on Oct. 20, was assigned to Roche Diagnostics Operations Inc. (Indianapolis).

"Detection of air bubbles in optical detection unit" was invented by Juergen Hildenbrand (Hunenberg, Switzerland), Alexander Kramlich (Kussnacht am Rigi, Switzerland) and Michael Lambertson (Mannheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An in-vitro diagnostic analyzer includes an optical detection unit comprising a cuvette for optical measurement of a biological sample, a piezo actuator arranged on one side of the cuvette configured to transmit ultrasonic waves through the cuvette, a piezo receiver arranged on the opposite side of the cuvette...