ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,036, issued on Jan. 27, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Devices and methods for measuring portal pressure" was invented by Douglas Melanson (Natick, Mass.), Peter L. Dayton (Brookline, Mass.), Laura Elizabeth Christakis (Framingham, Mass.), Sean P. Fleury (Princeton, Mass.), Cory P. Wright (Woodbury, Minn.), George Duval (Sudbury, Mass.) and Vanessa Monahan (Natick, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for measuring a pressure in a vein includes a needle sized and shaped to be inserted through a working channel of an endoscope. The needle is extending longitudinally and including a channe...