The present invention is an adjustable re-usable syringe actuator that delivers liquid at a substantially constant rate that is unaffected by a change in the viscosity of the liquid being pumped. The disposable syringe actuator is well suited for the infusion of small to medium volumes of liquid medication...http://www.google.fr/patents/US20040019325?utm_source=gb-gplus-shareBrevet US20040019325 - Syringe Pump
