Such commodes have large rear wheels like those on a wheelchair. The user can wheel themselves to the bathroom and position the commode over the regular toilet. They can relieve themselves in privacy.

Joyce Meyer says $23,000 'commode' is not a toilet (RNS) Joyce Meyer Ministries said it plans to respond to a Senate investigation into lavish spending, and clarified reports of a $23,000 "commode." ...

Back in 1991, WLKY did a story on a woman with a different kind of collection featuring loads of commodes. She showed us photos from toilets around the world, from Florida to England to Japan.