| 摘要 |
PURPOSE: A dispensing system is provided to control the amount of discharged solutions by controlling the height of a needle through a spacer. CONSTITUTION: A solution storage unit(10) comprises a receiving unit(11) and a solution moving pipe(12). A body(20) is connected to the solution moving pipe. A bearing is combined with a bearing mounting unit. A screw unit includes a fixing unit and a screw bar. A bush(30), a spacer, and a needle are inserted into the insertion hole of the body. A first screw inserting hole is formed inside the bush. The second screw inserting hole is formed inside the spacer. A solution supply line is formed inside the needle. The needle cover supports the lower side of the needle.
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