| 摘要 |
PCT No. PCT/EP89/01499 Sec. 371 Date Jul. 17, 1990 Sec. 102(e) Date Jul. 17, 1990 PCT Filed Dec. 6, 1989 PCT Pub. No. WO90/06146 PCT Pub. Date Jun. 14, 1990.The danger of hypodermic syringes is neutralized and they are made monouse by an arrangement including a needle (a), which shall be referred to as the perforated stiletto. This needle is provided with a female hook (k) and a cylindrical container (m), inserted coaxially in the piston rod (v) of the syringe. The cylindrical container can receive the perforated needle (a) by interacting with a male hooking pawl (n) and its support structure (o) and a cylindrical helicoidal pull string (q). |
