Provided is a medical fluid supply valve for injecting medical fluids. According to the present invention, the medical fluid supply valve comprises: a valve housing which includes a flow path connecting a first port for injecting the medical fluid and a second port connected to a medical fluid storage unit, and further includes a valve chamber provided on the flow path and a valve member which is accommodated in the valve chamber while the valve member travels back and forth from a medical fluid inlet end to a medical fluid outlet end, and closes the medical fluid inlet end after moved to a side of the medical fluid inlet end or opens the medical fluid inlet end after moved to the side of the medical fluid outlet end, depending on difference in pressure at the sides of the medical fluid inlet end and the medical fluid outlet end.COPYRIGHT KIPO 2016본 발명은, 약액이 주입되는 제1 포트와 약액 저장유닛과 연결되는 제2 포트를 연결하는 유로 및 유로 상에 마련된 밸브실을 갖춘 밸브 하우징과 밸브실에 약액 유입단과 약액 유출단을 왕복 가능하게 수용됨으로써 약액 유입단 측과 약액 유출단 측의 압력 차이에 따라 약액 유입단 측으로 이동되어 약액 유입단을 폐쇄하거나 약액 유출단 측으로 이동되어 약액 유입단을 개방하는 밸브부재로 구성된, 약액 주입기용 약액 공급밸브를 제공한다.
