| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a constant displacement medical solution filling pump having excellent dimensional stability against temperature change, tough, durable, easily washable at high temperature with steam and having excellent chemical resistance. SOLUTION: A cylinder 2 and a plunger 5 relatively moved forward and backward inside the cylinder 2 are formed of a sintered alloy material. A liquid inlet 8 and a liquid outlet 10 are communicated with a suction space 3 in the cylinder 2, and a fixed quantity of medical solution is sucked into the suction space 3 and discharged by the forward and backward movement of the plunger 5.</p> |
