Patent ID: 6554798
Filing Date: 2003-04-29
Classification: A61M,G16H,Y02A,Y10S

Abstract:
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 a reservoir, wherein the drive mechanism is contained within the housing, wherein the drive mechanism operatively couples with the at least a portion of a reservoir within the housing, and wherein the housing is sized to fit in a clothing pocket; a processor coupled to the housing; a bolus estimator used in conjunction with the processor and externally supplied values to estimate an amount of liquid to be infused based upon an estimate of a material to be ingested by the body; and an indication device, providing at least one of a visual indication, an audible indication or a tactile indication, to indicate when an amount of fluid to be infused has been calculated.