A system comprises an implantable medical device and an actively
deployable clip attached to the implantable medical device to restrict
movement of the implantable medical device once the clip is deployed
within a body of a patient. The clip includes an electrically conductive
portion. The implantable medical device may be implanted proximate to any
suitable tissue site within the patient, and in one embodiment, the
implantable medical device is implanted proximate to an occipital nerve
or a trigeminal nerve of the patient.