| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a new injector for single use which does not need complex operation and is easily operated. <P>SOLUTION: The injector includes a syringe 2, a piston 4 and a plunger 5. A sleeve member 10 which has a through-path of the plunger 5 and which can be arranged in a through-hole 3 is provided. Groove parts 10c and a step part 10s are provided on the inner circumferential surface 10f<SB POS="POST">1</SB>of the sleeve member 10. On the inner circumferential surface 2c<SB POS="POST">1</SB>of the syringe 2, oblong hole parts A<SB POS="POST">5</SB>and a step part 21 are provided. Projection parts 10p provided in the sleeve member 10 engage with the oblong hole parts A<SB POS="POST">5</SB>from the inside of the syringe 2, with the result that the oblong hole parts A<SB POS="POST">5</SB>block pull-out of the sleeve member 10 with respect to the syringe 2 and guide the sleeve member 10 so as to be pushed out with respect to the syringe 2. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
