ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,218, issued on Dec. 2, was assigned to DUOJECT MEDICAL SYSTEMS INC. (Bromont, Canada).

"Method of sterilizing medical device" was invented by Simon Hamel (Knowlton, Canada) and Mathieu Viens (Granby, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of sterilizing a cartridge that has a side wall and a medicant in the cartridge. The cartridge is placed within an outer sleeve and the outer sleeve is sealed to the side wall of the cartridge with a wiper seal to form a hermetic microbial barrier. A breathable microbial membrane is provided over one end of the sleeve. The cartridge and the outer sleeve are subjected to gas sterilization in a...