ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,643, issued on Sept. 23, was assigned to Coherex Medical Inc. (Salt Lake City).

"Medical device for modification of left atrial appendage and related systems and methods" was invented by Daryl R. Edmiston (Draper, Utah), Clark C. Davis (Holladay, Utah) and Scott D. Miles (Sandy, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a medical device includes an occluder portion and an anchor portion. The occluder portion includes a hub that defines an axis, the occluder portion extending between a proximal...