ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,258, issued on Oct. 14, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Systems and methods for treating prostate cancer" was invented by Michael Hoey (Shoreview, Minn.), Grant Mauch (Delano, Minn.) and Mark Schrom (Forest Lake, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vapor delivery needle and method is provided that is adapted for treating prostate cancer. The energy delivery probe can apply condensable vapor energy to tissue, such as a peripheral zone tissue in a human prostate. In one method, a needle is introduced into peripheral zone tissue of a human prostate, and vapor media is delivered through the needle ...