ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,244, issued on July 28, was assigned to Convergence Medical Sciences Ltd. (Calgary, Canada).

"Device and process for extending a ventilator circuit" was invented by Steven Daniel Roy (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for enclosing a positive end valve (PEEP valve) and converting the PEEP valve to an inline valve for use in a differential multi-ventilation system is described. The device includes a housing configured to enclose the PEEP valve. The housing also includes a ventilator-side arm, a pass-through arm and a patient-side arm. The pass-through arm permits extension of the multi-ventilation system to add o...