walkin stick that calls an ambulance

a walking stick that calls an ambulance if its owner is injured has been developed by scientist.the revolutionary walking aid is packed with sensors that can recognise whether it is in a vertical or horizontal position.if these detect the stick is lying flat a tiny mocroscop automatically plays a recorded message prompting the owner to pick it up. if the message is repeately ignored the sensors send a asignal to programmed computer to call an ambullance.