| 摘要 |
PURPOSE: An adapter for an injector, an adapter assembly for the injector, the injector, and a method for manufacturing the injector are provided to prevent the adapter from being separated from an injector body. CONSTITUTION: An adapter(120) for an injector includes a cylindrical body unit(111) and an injection unit(112). A needle maintaining member(130) is combined with a fixing unit(141). A screw unit(142) includes a self-tapping screw thread(142a). A male screw(113) is formed on the surface of an injector body(110). The self-tapping screw thread is inserted into the injector body. The self-tapping screw thread is formed on the inner surface of the screw unit. The minimum inner diameter of the self-tapping screw thread is smaller than the minimum outer diameter of the injector body.
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