Patent ID: 6979326

Claim:
An external infusion device for infusion of a liquid into a body from a reservoir, the external infusion device comprising: a drive mechanism to operatively couple with a reservoir to infuse a liquid into a body; a housing adapted for use on an exterior of the body, wherein the housing is sized to contain at least a portion of the reservoir, wherein the drive mechanism is at least partially contained within the housing, wherein the drive mechanism operatively couples with the at least a portion of the reservoir within the housing, and wherein the housing is capable of being concealed from view on an individual; a processor coupled to the housing; a memory coupled to and used in conjunction with the processor to store at least two bolus infusion types; wherein at least one of the two bolus types is square wave bolus; a data receiving mechanism used in conjunction with the processor to select one of the at least two bolus types; and an indication device that provides primarily tactile sensations to indicate the selected bolus type is being utilized or set, wherein the processor controls the external infusion device in accordance with the selected one of the at least two bolus types.