An interactive computer assisted method compiles comprehensive health care information on patients in a central repository, assesses and analyzes this information, and identifies high utilizers of health care services using a computer and a user associated therewith. The device includes a process probe, which has a reflection element. The lock is configured to transmit optical signals to a key. When the male plug is inserted into the female housing, at least one first contact terminal contacts a corresponding one of the first plurality of wires and at least one second contact terminal contacts a corresponding one of the second plurality of wires.