Patent ID: 7887511
Filing Date: 2011-02-15
Classification: A61M,G16H

Abstract:
1. A disposable pump device for dispensing insulin, comprising: a wearable pump housing that defines a space to receive a separate container; an insulin container that is insertable into the space defined by the wearable pump housing, the insulin container having a perforatable dispensing end through which insulin is to be dispensed; a piston rod comprising screw threads on an outer surface portion, the piston rod being movably arranged in the wearable pump housing to dispense the insulin from the insulin container when the insulin container is inserted in the wearable pump housing; a drive system to advance the piston rod toward the insulin container and thereby dispense the insulin when the insulin container is inserted in the wearable pump housing; and a battery to supply electrical power for operation of the disposable pump device, the battery being positioned inside the wearable pump housing, wherein the entire pump device is disposable and non-reusable.