ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,408, issued on March 25, was assigned to Advanced Medical Balloons GmbH (Germany).

"Device for tamponade sealing protection of surgical sutures and wounds, in particular of end-to-end anastomoses of the rectum" was invented by Fred Gobel (Lutzelbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to a device (1) for sealingly protective and at the same time stool-discharging tamponade of a circular anastomosis of two ends of the large intestine, as occur for example in the surgical resection of a rectal carcinoma, wherein a thin-walled balloon body (5) is placed in the region of the anastomosis, and the balloon (5)...