专利名称：INJECTION NEEDLE ARRANGEMENT发明人：HJERTMAN, Birger,WESTPHAL, Otto申请号：EP92920187.9申请日：19920831公开号：EP0557507B1公开日：19970102
摘要：device for limiting the penetration of the injection needle when injectingapparatus with an injection, the device comprises an external sheath (1) located on thefront part of the injection apparatus (2).in its most advanced position, the sheath (1)completely surrounds the needle (8) and the shaft can be moved rearward to release theneedle (8), when it receives a force greater than that of the control (6).
申请人：PHARMACIA & UPJOHN AKTIEBOLAG
代理机构：Onn, Thorsten
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