ghosh, has travelled to switzerland to meet him and his family. let s race. david m zee is about to have a race with his one year old daughter zoe. ready, set, go! yes, oh, you re fast. david is paralysed. wait for me! ..but he can walk because of an electrical implant. using a control panel on his walker, he can send signals to his spine. it enables him to stand and to walk slowly. yeah, way faster! but he cannot keep up with his daughter. wait for me, zoe! it has changed his life. she said bye bye . david, how is it going? it is great. it is a good feeling, especially walking with my daughter. she with her walker, i with mine. nice. david has continued to improve since he first had his implant. he can now do things he could only imagine when he first had his accident. the hope is that many more people can benefit. wait for daddy. david had a gymnastics accident 12 years ago when he was just 22. he was paralysed, unable to walk and unable to have a child. you push the button. the imp