Patent ID: 7896017

Claim:
A method of operating at least one medical fluid delivery line valve, the method comprising: mechanically interfacing a valve controller with a first medical fluid delivery line valve, wherein the valve controller is operable in a first direction and a second direction, wherein operation of the valve controller causes a first activation member associated with the first medical fluid delivery line valve to move to at least a first position and a second position, and wherein operation of the valve controller in the second direction does not actuate the first medical fluid delivery line valve, and wherein operation of the valve controller in the first direction at least partially actuates the first medical fluid delivery line valve during movement of the first activation member from the first position to the second position; operating the valve controller in the second direction to move the first activation member to the first position, wherein the first medical fluid delivery line valve is not actuated during operation of the valve controller in the second direction; and operating the valve controller in the first direction to move the first activation member to the second position, whereby the first medical fluid delivery line valve is at least partially actuated, wherein the first activation member includes an active interface portion and an inactive interface portion.