ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,381, issued on April 7, was assigned to K2INOV8 INC. (Felton, Del.).
"Safety syringe" was invented by Kambiz Kohani (San Diego) and Jason Swanson (Albuquerque, N.M.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dental safety syringe with a plunger assembly, push lever slidably coupled to the piston rod, a carpule retainer slidably coupled to the piston rod, a barrel assembly detachably coupled to the plunger assembly with a carpule barrel sized to receive a carpule. A needle adapter is coupled to the carpule barrel and a sliding barrel slidably coupled to the carpule barrel. Finger grips extend from the sliding barrel, and an optional trigger is ...