A device for the destruction of an injection needle has a sleeve (6; 14) in which the needle (3) mounted on a syringe may be inserted. The sleeve includes projections (9; 16) located beneath one another and projecting from opposite sides towards the path of movement of the needle within the sleeve. The...http://www.google.fr/patents/US4332323?utm_source=gb-gplus-shareBrevet US4332323 - Destruction device for injection needles