ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,388, issued on May 27, was assigned to Techline Technologies Inc. (Willow Grove, Pa.).

"Intraosseous infusion trainer" was invented by Daniel J. Parry (Perkasie, Pa.), David J. Parry Jr. (Yardley, Pa.) and Thomas D. Kelly (Bryn Mawr, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trainer for practicing an intraosseous infusion is presented. The trainer includes a mannequin and an injection-site simulant. The mannequin is in the form of a body, either human or animal, in part or whole. The injection-site simulant further includes a pocket, an insert, and an outer cover. The pocket extends into the mannequin. The insert simulates a hard exterior...