ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,557, issued on Feb. 10, was assigned to Abiomed Inc. (Danvers, Mass.).

"Position detection for a circulatory support device" was invented by Adrienne Lee (Danvers, Mass.), Margi Patel (Danvers, Mass.) and Qing Tan (Danvers, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for determining whether a circulatory support device is correctly positioned in a heart of a patient are provided. The method comprises receiving a motor current signal from a motor of the circulatory support device, receiving a pressure signal from a pressure sensor arranged on the circulatory support device, generating a normalized motor current signal b...