ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,424, issued on March 25, was assigned to KARDION GMBH (Stuttgart, Germany).
"Implantable ventricular assist system and method for operating same" was invented by Thomas Alexander Schlebusch (Renningen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for operating an implanted, ventricular assist system (2), comprising the following steps: a) determine a first impedance parameter at a first point in time by means of the assist system (2), b) determine a second impedance parameter at a second point in time by means of the assist system (2), c) at least determine a change of the impedance parameter using the fi...