ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,060, issued on Sept. 23, was assigned to BOSTON SCIENTIFIC Ltd. (Hamilton, Bermuda).

"Direct stream hydrodynamic catheter system" was invented by Michael J. Bonnette (Minneapolis), Eric J. Thor (Arden Hills, Minn.), Debra M. Kozak (Forest Lake, Minn.), Douglas J. Ball (Blaine, Minn.), Stephen E. Weisel (Brook Park, Minn.), David B. Morris (Anoka, Minn.) and Richard R. Prather (St. Michael, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physici...