ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,169, issued on Aug. 12, was assigned to ViOptix Inc. (Newark, Calif.).

"Oximetry probe with tissue depth analysis" was invented by Kate LeeAnn Bechtel (Pleasant Hill, Calif.), Jennifer Elizabeth Keating (Campbell, Calif.) and Scott E. Coleridge (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oximeter probe includes a probe unit or a base unit and a probe tip where the probe tip has a number of sources and detectors that can be accessed individually or in differing combinations for measuring tissue oxygen saturation at different tissue depth in tissue. A processor of the oximeter probe controls a multiplexer that is coupled to the detecto...