INJECTOR FOR SYRINGE CONSISTING OF TWO CHAMBERS BEFORE ADJUSTMENT,SYRINGE CONSISTING OF TWO CHAMBERS BEFORE ADJUSTMENT,AND ITS ASSEMBLY AND FILLING METHOD

摘要

PROBLEM TO BE SOLVED: To avoid cross contamination during producing and filling up a syringe of two chambers by dividing its barrel into two separated barrels and making a bypath and the first wall section in the first separated chamber. SOLUTION: This syringe barrel 1 for two ingredient injection is closed at its open end with movable syringe plunger l8 with plunger bar 9, is provided with middle stopper to divide room 2a and 3a, and bypath 5 in the front room of this barrel. Front section of barrel 1 is made separated barrel 2 and separated barrel 3, and the first barrel 2 is equipped with bypath 5 and the first wall section. The first wall section is equipped with the first chamber 2a with middle stopper 11 of syringe barrel 1. The second separated barrel 3 is equipped with syringe 1, or the second section of the second chamber 3a. Joint syringe head and joint finger tab is made and the syringe head is attached to the first barrel 2 at its top, and finger tab 6 is attached to the open end of the second barrel 3.