Patent Number: 8,820,325

Title: Bymixer apparatus and method for fast-response, adjustable measurement of mixed gas fractions in ventilation circuits

Abstract: Bymixer devices and methods for sampling or obtaining data from mixed respiratory gases in a ventilation circuit. Respiratory gasses from a plurality of consecutive breaths become mixed within a mixing chamber of the bymixer and samples or data are obtained from such mixed respiratory gasses. Optionally, the volume of the mixing chamber and/or the resistance to flow into or through the mixing chamber may be selectable or adjustable.

Inventors: Breen; Peter H. (Irvine, CA)

Assignee: The Regents of the University of California

International Classification: A61M 16/00 (20060101); A61M 15/00 (20060101)

Expiration Date: 9/02/12018