US Patent Issued to Sevro Technologies on July 8 for "Variable length stent" (Iowa Inventor)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,140, issued on July 8, was assigned to Sevro Technologies LLC (Cedar Falls, Iowa).

"Variable length stent" was invented by Eric Askeland (Cedar Falls, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stent comprising a tubular member, a lumen extending through the tubular member, a first retention structure and a second retention structure at opposite ends of the tubular member. The first retention structure comprises multiple coils and a removable anti-coiling material over the multiple coils of the first retention structure to present the multiple coils as an elongated extension of the tubular member, whereupon removal of the removable anti-co...