ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,394, issued on April 8, was assigned to Conformal Medical Inc. (Nashua, N.H.).

"Devices and methods for excluding the left atrial appendage" was invented by David A. Melanson (Hudson, N.H.), Andy H. Levine (Newton Highlands, Mass.), James H. Loper (Wales, Mass.), Michael T. Radford (Nashua, N.H.), Carol Devellian (Topsfield, Mass.), Aaron V. Kaplan (Norwich, Vt.) and Ronald B. Lamport (Pelham, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices and methods for occluding the left atrial appendage (LAA). The device excludes the LAA from blood flow. The implantable device is delivered via transcatheter delivery into the LAA and secured...