ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,324, issued on Oct. 21, was assigned to Cygnusmed Inc. (Akron, Ohio).

"Hemostasis valve seal" was invented by Firas Al-Ali (Hudson, Ohio) and Jeff Christian (Morgan Hill, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seal for a hemostasis valve is provided as well as a novel seal stack for use in hemostasis valves. The seal stack includes a plurality of conical or frustoconical members including an anti-prolapse member, and a sealing member. The seal stack may optionally include a diaphragm and/or a second sealing member. The valve body may include a pressure sensing member which may be located in a sidearm."

The patent was filed on Jan. ...