A bed is provided including a frame, an accessory mount coupled to the frame, a siderail, and an ambulatory assist arm assembly. The accessory mount is configured to removably couple the siderail to the frame so that the siderail can be removed and replaced with the ambulatory assist arm assembly....http://www.google.sh/patents/US6397416?utm_source=gb-gplus-sharePatent US6397416 - Ambulatory assist arm for a bed