ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,717, issued on March 3, was assigned to Boston Scientific Neuromodulation Corp. (Valencia, Calif.).

"Paresthesia-free spinal cord stimulation occurring at lower frequencies involving perception threshold determinations" was invented by Que T. Doan (West Hills, Calif.) and Luca Antonello Annecchino (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for testing and treating spinal cord stimulation (SCS) patients are disclosed. Patients are eventually treated with sub-perception (paresthesia free) therapy. However, supra-perception stimulation is used during "sweet spot searching" during which a stimulation location in an electr...