US Patent Issued to Stryker on July 28 for "Sinus balloon dilation catheters and sinus surgery tools" (Minnesota Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,268, issued on July 28, was assigned to Stryker Corp. (Portage, Mich.).

"Sinus balloon dilation catheters and sinus surgery tools" was invented by Thomas V. Ressemann (St. Cloud, Minn.), John R. Drontle (Monticello, Minn.), Anthony J. Hanson (Chaska, Minn.) and Peter T. Keith (Lanesboro, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Inventive embodiments disclosed herein include a catheter for dilating a sinus cavity lumen. The catheter includes a guide tube, having a proximal end and a distal end, that terminates in a distal tip; a sleeve member annularly positioned over the guide tube, wherein the sleeve member is movable relative to the gu...