Amputation of both arms deprives patients of an elbow what establishes a major factor of limitation of autonomy and makes patients totally dependent for the realization of the essential gestures of the current life requiring the prehension (dress, dressing, food, hygiene of the elimination). The various equipments are not always adaptable and usable. Psychologically, an amputation in arm is unanimously considered as an infringement very badly accepted of the physical integrity and establishes a major handicap factor of family, professional and social exclusion.