Patent ID: 7905860

Claim:
A syringe pump, comprising: a housing; a syringe saddle attached to the housing; a syringe barrel clamp attached to the housing; a slidable track connected to the housing; a plunger holding device attached to the slidable track; a first movable retainer bar and a second movable retainer bar connected to the plunger holding device, the first movable retainer bar defining a first longitudinal axis and the second movable retainer bar defining a second longitudinal axis, the first longitudinal axis being parallel to the second longitudinal axis; and an activation mechanism connected to the plunger holding device for moving the first movable retainer bar and the second movable retainer bar away from the plunger holding device and away from each other such that the first longitudinal axis is moved away from the second longitudinal axis while maintaining the first longitudinal axis parallel with the second longitudinal axis, wherein a disc of a plunger can be held by the first movable retainer bar and the second movable retainer bar and between the first and second movable retainer bars and the plunger holding device.