ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,452, issued on April 8, was assigned to SMITH & NEPHEW INC. (Memphis, Tenn.).

"Systems and methods for patient-based computer assisted surgical procedures" was invented by Michael Dean Hughes (Cordova, Tenn.) and Jeffrey A. Sharp (Salt Lake City).

According to the abstract* released by the U.S. Patent & Trademark Office: "Surgical systems and methods are disclosed for creating a 3D model of a patient's affected area using an imaging device, using the model to determine an implant orientation and position, creating patient-matched instrumentation, placing the patient-matched instrumentation on the patient's anatomy, registering a computer-assisted surgical tool, and acquiring regi...