A device and method for delivering a therapeutic substance to the body of a mammal are provided. The device includes a pump adapter, a pump, and an infusion set having a distal connector and a proximal connector. The proximal connector and the pump adapter have connecting electrical contacts which can be connected to one another in a single action when the proximal connector and pump are being secured to the pump adapter. The distal connector of the infusion set can be connected to a catheter housing, which can be secured to the mammals skin. The distal connector and the catheter housing have additional connecting electrical contacts which can be connected to one another in a single action when connecting the distal connector to the catheter housing.
