ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,369, issued on Oct. 14, was assigned to CONVATEC Ltd. (Flintshire, Great Britain).
"Ostomy appliance" was invented by Marcus Hoggarth Jr. (London) and Oliver Poyntz (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ostomy appliance having an appliance wall of flexible sheet material forming a cavity for containing a stomal output. The wall has a stomal inlet for receiving the stomal output and a gas vent for allowing the stomal gas to migrate out of the cavity. A filter arrangement is mounted to the appliance wall and has a filter channel extending from a filter channel inlet to a filter channel outlet. The filter channel inlet is located in...