ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,236, issued on Feb. 3, was assigned to Alcon Inc. (Fribourg, Switzerland).
"Surgical ear speculums" was invented by Wesley Hastings Elden (Southlake, Texas) and Jasmine Tandace Ainetchian (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Certain embodiments described herein provide a surgical ear speculum comprising a tubular body having an anterior end, a posterior end, and a first length from the anterior end to the posterior end. The tubular body has an inner layer, an outer layer, and a middle layer between the inner layer and the outer layer. The inner layer, the outer layer, and the middle layer are peripherally disposed around a central c...