ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,389, issued on Feb. 3, was assigned to Seigla Medical Inc. (Buffalo, Minn.).

"Catheters and related devices and methods of manufacture" was invented by Chad J. Kugler (Buffalo, Minn.) and Ross A. Olson (Anoka, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for making medical devices and portions of medical devices (e.g., intravascular catheters, catheter shafts, and tubular guiding members) are provided. Example methods may include cutting a thin film extruded thermoplastic sheet into at least one ribbon and forming a first assembly by positioning the ribbon inside a shrink tube and urging the ribbon to assume a tubular shape in which t...