ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,853, issued on Oct. 6, was assigned to AVERTO MEDICAL INC. (Fremont, Calif.).

"Devices and methods for anchoring a sheath in a tissue cavity" was invented by Kenton D. Fong (Belmont, Calif.), Jan Lee (Pasadena, Calif.) and Jeffrey W. Etter (Hayward, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to some embodiments of the invention, an anchoring system includes a sleeve having an inner surface defining a first lumen, a first annular sealing mechanism disposed at a proximal end of the sleeve, and a second annular sealing mechanism disposed at a distal end of the sleeve. The anchoring system further includes a pressure tube in fluid co...