Multiple sampling device having molded valve and hub

摘要: A multiple blood sampling device is disclosed together with its method of manufacture. The includes a housing having chamber therein, first cannula attached to one end the housing, second other and one-way valve provided within housing. Part molded around portion securely hold it in place. Another extends into where provides valving action response relative pressures two cannulas. When penetrates vessel patient punctures stopper an evacuated tube, able flow through tube. Backflow prevented by valve.