ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,386, issued on March 25, was assigned to MAQUET CRITICAL CARE AB (Solna, Sweden).

"System for detection of leakage or abnormal resistance in a ventilation system" was invented by Fredrik Jalde (Sundbyberg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system is for detection of leakage or abnormal resistance in a ventilation system. The ventilation system includes a breathing apparatus which provides a mechanical ventilation to a patient. The system includes a bioelectric sensor arrangement detecting a bioelectric signal indicative of the patient's effort to breathe and a control computer configured to receive the bioelectric signal detec...