The present invention enables a bedridden person to perform excretory functions without help from another person. The present invention includes a bed and a movable toilet in which water is provided. A negative pressure propels water and excrements through a bottom hole in a lower part of the toilet,...http://www.google.com/patents/US5513404?utm_source=gb-gplus-sharePatent US5513404 - Excretion apparatus combined into a bed for bedridden person