| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent more the blurring of a plunger rod when the plunger rod is inserted in a syringe through an insertion hole of a cap on the rear end of the syringe which is covered with a radiation shielding container just like the case where a chemical is radiopharmaceutical, and also, to attach the plunger rod in such a manner that the plunger rod may become in parallel with the center line of the cylinder of the pre-filled syringe. <P>SOLUTION: The plunger rod 7 is inserted in the syringe 5 through the insertion hole 37 of the cap 9 being provided on the rear end of the syringe 5 filled with the chemical. The distal end of the plunger rod 7 is screwed into the plunger attaching hole of a gasket 33. In addition, a sleeve 11 which is provided on the insertion hole 37 guides the plunger rod 7. A plurality of claws 39 are formed on the periphery of one end of the sleeve 11, and the claws 39 are pressed into the insertion hole 37 from outside of the cap 9, and thus, the sleeve 11 is attached. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
