ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,291, issued on Dec. 23, was assigned to Oregon Health & Science University (Portland, Ore.).
"Auxetic stents for managing venous stenosis" was invented by Ramsey Al-Hakim (Portland, Ore.), Khashayar Farsad (Portland, Ore.), John Kaufman (Portland, Ore.) and Craig Bonsignore (Pleasanton, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Stents useable for treating venous stenosis are disclosed. In embodiments, a stent is configured to be auxetic, expanding axially as it is expanded radially, to prevent the imposition of tension on portions of a blood vessel adjacent to the stented portion of the blood vessel, and thereby prevent a narrowing of th...