ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,467, issued on March 3, was assigned to PMT Corp. (Chanhassen, Minn.).
"Form stable expandable stent" was invented by Alfred A Iversen (Wayzata, Minn.) and Matthew W Cree (Victoria, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A form stable expandable stent and tissue expander assembly having a sealed outer shell body forming an internal chamber. A form stability member may be provided within the internal chamber of the shell body. Drainage/irrigation tubing extend through the chamber of the shell body and a fill tube is provided in communication with the internal chamber of the outer shell and extends outwardly therefrom. Manipulation struc...