ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,334, issued on July 29, was assigned to MAQUET CRITICAL CARE AB (Solna, Sweden).

"Ventilator arrangement and method for controlling a ventilator arrangement" was invented by Magnus Hallback (Danderyd, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a ventilator arrangement might be suitable for maintaining or achieving a desired end expiratory lung volume, EELV, of a subject when an external manoeuvre is performed on the subject ventilated by the ventilator arrangement. The ventilator arrangement applies a set positive end-expiratory pressure, PEEP, level for performing the ventilation."

The patent was filed on April ...