US Patent Issued to ZOLL Medical on March 31 for "Determining different sleep stages in a wearable medical device patient" (Massachusetts, Pennsylvania Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,827, issued on March 31, was assigned to ZOLL Medical Corp. (Chelmsford, Mass.).

"Determining different sleep stages in a wearable medical device patient" was invented by Gary A. Freeman (Waltham, Mass.) and Shane S. Volpe (Saltsburg, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A patient monitoring device configured to monitor cardiac activity and sleep stage information of a patient is provided. The device includes a plurality of electrodes to acquire electrocardiogram (ECG) signals from the patient, at least one motion sensor configured to generate a motion signal based upon movement of the patient, and at least one processor. The processo...