ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,383, issued on April 14, was assigned to Applied Medical Resources Corp. (Rancho Santa Margarita, Calif.).

"Actuation shaft retention mechanism for surgical stapler" was invented by Jonathan Von Stein (Rancho Santa Margarita, Calif.), Kimball B. McGinley (Rancho Santa Margarita, Calif.), Robert Bradshaw (Irvine, Calif.), Alan Bylund (Rancho Santa Margarita, Calif.), Christian A. Halvorsen (Rancho Santa Margarita, Calif.) and Jonathan R. Nash (Rancho Santa Margarita, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powered handle for a surgical stapler can have a drive system including an electric motor. The powered handle can include a manua...