Patent ID: 8182462

Claim:
A method for infusing a fluid into a body from an external infusion device, comprising: activating one or more icons displayed on a second module of an external infusion device to select one or more program menus formed by the one or more icons, the external infusion device having a first module, the first module including a first housing, an alarm in the first housing, a reservoir in the first housing to hold fluid, and a pump in the first housing to pump the fluid from the reservoir, and the second module, the second module including a second housing and a display in the second housing, wherein the second module communicates with the first module to provide a fluid delivery program for the flow of the fluid from the first housing; and programming pump flow commands to be communicated to the first module, wherein the first module dispenses the fluid through the pump in the first module in accordance with the pump flow commands of the second module, and wherein the second module is easily attachable to and removable from the first module without interrupting fluid delivery from the first module, wherein the alarm is triggered when a user's blood glucose level value goes beyond an allowed value range.