ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,591, issued on July 14, was assigned to CLPH LLC (West Valley City, Utah).

"Catheters and methods for making them" was invented by Stephen A. Leeflang (Sandy, Utah) and Christian S. Eversull (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Catheters, sheaths, or other tubular devices are provided that include a proximal end, a distal end sized for introduction into a patient's body, and a steerable distal portion carrying a plurality of electrodes. The tubular device includes a primary lumen extending between the proximal and distal ends; a steering element lumen adjacent the primary lumen; a plurality of wires extending proximally ...