Patent ID: 8574216

Claim:
A method for infusing a fluid into a user's 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 being configured to be worn by the user and including a reservoir to hold fluid, a pump to pump the fluid from the reservoir, and an alarm, and the second module, the second module including a display and being removably attachable to the first module so as to form a unitary portable device, wherein the unitary portable device is configured to be worn under the user's clothing; and programming pump flow commands to be communicated from the second module, wherein the first module dispenses the fluid through the pump in the first module in accordance with the pump flow commands received from the second module, and wherein the alarm is triggered when the user's blood glucose level value goes beyond an allowed value range.