ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,179, issued on Nov. 3, was assigned to K2 Biomicrosystems LLC (Geneva, Ill.).

"Apparatus for tissue lysis under electromagnetic field control" was invented by David P. Klemer (Geneva, Ill.), Melodie L. Putnam (Philomath, Ore.), Jeffrey H. Chang (Corvallis, Ore.) and Michael I. Gordon (Marina, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates generally to the incorporation of a shroud into an apparatus which achieves tissue and/or cellular disruption through the imposition of a time-varying electromagnetic field generated by electrical means and used to direct magnetic beads or other magnetic particles against a tissu...