ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,238, issued on March 17, was assigned to PATIENT SHIELD CONCEPTS LLC (Denver).

"Catheter and tube assembly and method of use" was invented by Lynn Rosen White (Denver) and Debora I-Ping Ma (Lafayette, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device has a drainage conduit for draining fluids from a patient. The drainage conduit may be flexible. One or more flexible delivery conduits deliver medication to the patient. The one or more flexible delivery conduits are attached to the flexible drainage conduit. The one or more flexible delivery conduits are detachable from the flexible drainage conduits at at-least one end of the drainage co...