Patent ID: 8382447

Claim:
An infusion pump, comprising: an inlet valve; an outlet valve; and a shuttle comprising a shuttle stationary portion and a shuttle moveable portion configured for squeezing a length of tubing between the shuttle stationary portion and the shuttle movable portion, wherein the shuttle moveable portion moves toward and away from the shuttle stationary portion to operate the infusion pump, wherein the shuttle stationary portion and the shuttle moveable portion each comprise a symmetrical shuttle groove for holding and squeezing the length of tubing, the shuttle groove symmetrical about a central axis of the shuttle groove and wherein at least one of the inlet valve and the outlet valve comprises a stationary portion and a moveable valve portion, the valve portions each having a valve groove and at least one transverse ridge and at least one transverse recess wherein a height of the at least one ridge above the valve groove is less than an outer diameter of the tubing and wherein the valve portions are configured so that the movable valve portion moves transversely to the length of tubing to occlude the tubing.