Bedpan Washer Disinfectors for hospitals, nursing homes and private clinics. Focusing on Ergonomics and the Working Environment. The KEN Bedpan Washer Disinfectors are front operated machines which secures the user an ergonomically correct working posture. Furthermore, the bedpan can be placed directly on the door, to be automatically emptied by door closing. Splashes and odor nuisances are avoided. The door makes it applicable as a slop sink.