| 摘要 |
<p>An injection syringe needle exposure length adjustment device of the present invention includes a first cap having one end mounted on an injection syringe and the other end with a first opening for the passage of an injection syringe needle therethrough; and a second cap having a second opening corresponding to the first opening. The second cap is fitted to the first cap, and adjusts the exposure length of the injection syringe needle in accordance with the position where the second cap is fitted to the first cap. The device according to the invention enables the degree of exposure of the injection syringe needle to be adjusted in a convenient manner even without replacing caps.</p> |
