Patent ID: 8109906

Claim:
A pump system, comprising: a. a pump housing comprising a motor driven pump, a user-selectable prime input, a user-selectable infusion input, and a central controller in communication with said prime input, said infusion input, and said motor driven pump; and b. a cartridge removably coupled to said pump housing comprising at least one infusion tubing and an air-trap in fluid communication with said at least one infusion tubing; wherein: said central controller is configured to automatically prime said at least one infusion tubing by causing said motor driven pump to pump fluid through said at least one infusion tubing at a first positive flow rate and at a second positive flow rate different than the first flow rate when fluid reaches a predetermined level in said air-trap in response to the selection of said prime input; and said central controller is further configured to cause said motor driven pump to pump fluid through said at least one infusion tubing and said air-trap to a patient in response to the selection of said infusion input.