ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,346, issued on Dec. 9, was assigned to Boston Scientific Medical Device Ltd. (Galway, Ireland).

"Transseptal puncture apparatus and method for using the same" was invented by Paul Kurth (Santa Barbara, Calif.), Andrew Armour (Swarthmore, Pa.), Andrzej J. Chanduszko (Weymouth, Mass.) and Carol A. Devellian (Topsfield, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and methods for performing a transseptal puncture procedure using a device which includes either an untapered or tapered blunt end cannula disposed in an introducer carrying a sharp guidewire disposed longitudinally through the lumen of the blunt cannula, and a blunt end dilato...