ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,045, issued on March 25, was assigned to Ascensia Diabetes Care Holdings AG (Basel, Switzerland).

"Tracking insertion and removal times of a continuous glucose monitoring sensor" was invented by Anthony P. Russo (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "In response to insertion of a continuous glucose monitoring (CGM) sensor into the skin of user, a CGM system compares an identifier of the sensor to any previously-stored identifiers of previously-inserted sensors. If the identifier does not match a previously-stored identifier, indicating a newly-inserted sensor, the identifier and a time stamp are stored and CGM may begin. Upon remo...