ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,097, issued on Dec. 9, was assigned to Merit Medical Systems Inc. (South Jordan, Utah).

"Systems and methods for coupling and decoupling a catheter" was invented by Nicholas Accisano III (Howell, N.J.) and Kent C. Stalker (San Marcos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drainage stent delivery system is disclosed. The drainage stent delivery system includes a catheter body, a stent member, and a coupling member. In some embodiments the coupling member can include keyed connectors having a non-round shape to facilitate a 1:1 rotation ration of the catheter body and the stent member. In another embodiment, the coupling member can in...