ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,377, issued on June 30, was assigned to Tenex Health Inc. (Malvern, Pa.).

"Subcutaneous wound debridement" was invented by Jagjit Singh Gill (Rochester, Minn.), Lewis Hillel Freed (Scottsdale, Ariz.) and Bernard Francis Morrey (Fayetteville, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are devices and methods of percutaneously treating an ulcerated wound using ultrasonic energy. Some methods include delivering ultrasonic energy to a target tissue located at a position subcutaneous to the ulcerated wound. In some methods, the ultrasonic energy is delivered using an ultrasonic energy delivery device."

The patent was filed on ...