This device for an injection syringe including a cylindrical body (2) closed at one of its ends by a transverse wall in which the needle (6) is implanted, is such that the end of the cylindrical body is fitted with a slideway (7) for a needle protector (8) that includes a first tubular portion (9) of...http://www.google.de/patents/US5429612?utm_source=gb-gplus-sharePatent US5429612 - Syringe with a slidable needle protection device
