ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,076, issued on March 25, was assigned to Cosinuss GmbH (Munich).

"Apparatus, which is insertable into an ear canal, for detecting physiological parameters" was invented by Johannes Kreuzer (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an apparatus for recording physiological parameters, which can be inserted in an ear canal. The apparatus is designed with a tube, which is to be introduced into the ear canal, and a housing, which is connected to the tube. The tube comprises a largely cylindrical portion at a distal end that faces toward the eardrum when being worn. At least one sensor device for recording physiologi...