ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,446, issued on May 6, was assigned to Lento Medical Inc. (Houston).
"Customized knee prosthesis and arthritic knee restoration process" was invented by Ilwhan Park (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-aided method, using a pre-operative planning software tool and patient-specific images, establishes implant parameters that customize selection of a total knee replacement prosthesis. The computer system determines from coronal, axial and sagittal image slices of a knee joint a neutral boundary axis, a set of epicondylar and trochlear features that define an elliptical cam, and a medial-lateral tibial slope, then defin...