ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,136, issued on Aug. 26, was assigned to IPH001 Pty Ltd (Sydney).
"Balloon for expanding an orifice" was invented by Andrew E. James (Sydney).
According to the abstract* released by the U.S. Patent & Trademark Office: "A balloon is disclosed for expanding an orifice. The balloon comprises a hollow body having a head. The body is closed at a distal end and open at a proximal end. The head extends from the distal end. The balloon also comprises a hollow neck positioned between the open proximal end and the distal end of the body. In the balloon, a wall thickness of the neck is greater than a wall thickness of the head. In a variation, the balloon can be configured such that, when th...