No! Hell no! No possible way!
It is way too easy for someone in a depressed mood to be pressured into making this kind of a decision. And, how are you going to stop greedy relatives from pressuring the person?
Taking a life is simply wrong, any way that you do it.
We were discussing peeing the bed. Taking a life is wrong but ending your own is a personal choice and asking for it medically is a decision that greedy relatives can't make.