US Patent Issued to THE REGENTS OF THE UNIVERSITY OF MICHIGAN on Oct. 7 for "Self-inflating anorectal expulsion device" (Michigan Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,540, issued on Oct. 7, was assigned to THE REGENTS OF THE UNIVERSITY OF MICHIGAN (Ann Arbor, Mich.).

"Self-inflating anorectal expulsion device" was invented by William D. Chey (Ann Arbor, Mich.), James A. Ashton-Miller (Ann Arbor, Mich.), Eric D. Shah (Ann Arbor, Mich.), Jason Baker (Ann Arbor, Mich.), Adrienne Harris (Clinton, Mich.), Gene Parunak (Saline, Mich.) and Aaron Miles Kehrer (Saline, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anorectal expulsion device includes a balloon having a wall that extends between proximal and distal ends of the balloon and defines a balloon interior. The balloon interior contains a self-expanding, l...