A device for dispensing a controlled amount of a fluid from a syringe, the syringe having a plunger extending along a linear axis through a syringe flange and into a syringe barrel. The device includes a housing to accommodate at least a portion of the syringe, and a drive wheel attached to the housing to contact a side of the plunger, the housing to press the drive wheel into the side of the plunger between the syringe flange and an end of the plunger.