ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,908, issued on Dec. 30, was assigned to CURRENT HEALTH Ltd. (Edinburgh, Great Britain).
"Apparatus and method for estimating respiration rate" was invented by Christopher Thomas McCann (Edinburgh, Great Britain) and Stewart William Whiting (Edinburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Monitoring apparatus for measuring the respiratory rate of a subject comprises an upper arm unit attached to a subject's upper arm in use and containing at least one movement sensor and a photoplethysmograph configured to monitor blood volume within the subject's upper arm while the upper arm unit is worn on the subject's upper arm. The outpu...