| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a syringe which can straightforwardly and consistently inject a predetermined volume of a medicament, or the like, by stepwise adjusting the dosages of a liquid medicine, or the like. <P>SOLUTION: This syringe comprises an outer cylinder body 1 equipped with a cylinder head section 1B joining to a needle 3 at one end and an opening 1C at the other end, a plunger 7 which is engaged with the inside of the outer cylinder body 1 and encloses the liquid medicine, or the like, within the outer cylinder body 1, and a plunger rod 9 attached to the plunger 7. The plunger rod 9 has a plurality of rib sections 9A, 9B, 9C and 9D placed in positions extending in a longitudinal direction and having a diverging peripheral direction, and locking sections B, C, and D are provided while leaving spaces in the longitudinal direction, respectively, in the rib sections, a locking receiving section 15D is prepared in the opening 1C, the locking sections B, C, and D are locked with the locking receiving section 15D by rotating the plunger rod 9, and the dosages of the liquid medicine, or the like, is stepwise adjusted. <P>COPYRIGHT: (C)2004,JPO |
