ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,800, issued on April 22, was assigned to Verve Medical Inc. (Paradise Valley, Ariz.).

"Methods and devices for treating polycystic kidney disease and its symptoms" was invented by Terrence J. Buelna (Scottsdale, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus, systems, and methods for treating PKD by providing access to a patient's renal pelvis of a kidney to treat renal nerves embedded in tissue surrounding the renal pelvis. Access to the renal pelvis may be via the urinary tract or via minimally invasive incisions through the abdomen and kidney tissue. Treatment is effected by exchanging energy, typically delivering heat or extractin...