ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,364, issued on Nov. 25, was assigned to Applied Medical Resources Corp. (Rancho Santa Margarita, Calif.).

"Retractor introducer systems" was invented by Deryk Perez (Rancho Santa Margarita, Calif.), Joel B. Velasco (Rancho Santa Margarita, Calif.), Cesar Pescador (Rancho Santa Margarita, Calif.) and Alicia Lanzoni (Rancho Santa Margarita, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A retractor introducer system is provided that includes a circumferential retractor and a retractor introducer. The circumferential retractor retracts and protects a patient's body opening and the retractor introducer facilitates insertion and positioning of the...