Was this issue with atheletes not debated recently in the London Olympics with the man who had a blade replacement for a leg who was allowed to compete with non

Was this issue with atheletes not debated recently in the London Olympics with the man who had a blade replacement for a leg who was allowed to compete with non-augmented athletes? I don't want to get into whether I think letting him compete against regular athletes was a good idea or not for that specific event. However I think there needs to be care because where is the line drawn? How advanced do his blades need to become before it's just not fair any longer?