Patent 8226606 was granted and assigned to Calibra medical on July, 2012 by the United States Patent and Trademark Office.
A wearable infusion device comprises a reservoir that holds a liquid medicament, an outlet port that delivers the liquid medicament to a patient, a pump that delivers a volume of the liquid medicament from the reservoir to the outlet when actuated, and a tactile indicator representing the volume of the liquid medicament delivered to the outlet with each actuation of the pump.