ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,831, issued on May 27, was assigned to C.R. Bard Inc. (Murray Hill, N.J.).

"Jugular femoral vena cava filter system" was invented by Jonathan D. Miller (Mesa, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embolus filter introducer system has a symmetric introducer sheath with a filter inside. The introducer sheath can be attached at either end to a deployment actuator. The deployment actuator can thereby be used to push the filter out of the introducer sheath. Since the sheath can be oriented in a selectable direction, so can the filter, allowing the sheath to be introduced via a jugular or femoral approach to the vena cava."

The patent w...