ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,612, issued on April 29, was assigned to Mainstay Medical Ltd. (Dublin).

"Systems and methods for restoring muscle function to the lumbar spine" was invented by Dan Sachs (Minneapolis), Prashant Brijmohansingh Rawat (Blaine, Minn.), Jason Shiroff (Edina, Minn.) and Peter Crosby (Blaine, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for restoring muscle function to the lumbar spine to treat low back pain is provided. The system may include electrodes coupled to an implantable pulse generator (IPG), a handheld activator configured to transfer a stimulation command to the IPG, and an external programmer configured to transfer programming...