Abstract: A pumping method for use with a pump set to deliver fluid through the pump set to a subject includes determining a duration of time for flushing the first fluid out of the pump set with a second fluid different from the first fluid. A compensated flow rate is calculated for delivering the first fluid through the pump set based on the duration of time for flushing the first fluid out of the pump set. The first fluid is delivered through the pump set at the compensated flow rate.

Abstract: A pumping apparatus for use with a pump set to deliver fluid through the pump set to a subject includes a pumping device capable of acting on the pump set to produce a fluid flow within the pump set. A controller is in communication with the pumping device for controlling operation of the pumping device in a feeding configuration and in a flushing configuration. The controller is adapted to store a selected flow rate and a desired fluid volume of a first fluid in the memory and at least one of a flush rate and flush volume of a second fluid. A flush time compensator is capable of being run for determining a compensated feeding configuration of the first fluid based on an amount of time the controller will operate the pump device in the flushing configuration and the desired fluid volume of the first fluid.

Abstract: A pumping apparatus for use with a pump set to deliver fluid through the pump set to a subject includes a pumping device capable of acting on the pump set to produce a fluid flow within the pump set. A controller is in communication with the pumping device for controlling operation of the pumping device in a feeding configuration and in a flushing configuration. The controller is adapted to store a selected flow rate and a desired fluid volume of a first fluid in the memory and at least one of a flush rate and flush volume of a second fluid. A flush time compensator is capable of being run for determining a compensated feeding configuration of the first fluid based on an amount of time the controller will operate the pump device in the flushing configuration and the desired fluid volume of the first fluid.

Abstract: A peristaltic pump is able to deliver accurate volumes over the life of a pump set that is operated on by the pump to drive the flow of fluid. The pump delivers fluid in small volumes or aliquots. In order to deliver fluid at any particular selected flow rate, the pump determines how often the rotor will rotate. The pump is able to calculate aliquot volume based on selected flow rate, but also on a factor that compensates for changes in the dimensions of the pump set over its life.