An infusion pump and method of operating an infusion pump in which the user of the infusion pump is prompted to input a number of infusion parameters, which include a dose mode, a drug dose, a drug amount, and a drug volume. After the parameters are input by the user, the infusion pump automatically...http://www.google.co.uk/patents/US5609575?utm_source=gb-gplus-sharePatent US5609575 - Infusion pump and method with dose-rate calculation