A method of subcutaneously injecting and anchoring a device to a bone, a muscle, and/or a tissue in a patient, the device having a clip configured to anchor the device to the bone, the muscle, or the tissue, includes making an incision in the patient. An instrument pre-loaded with the device is inserted through the incision. The instrument is advanced to the bone, the muscle, and/or the tissue upon which the device is to be anchored. A clip of the device is pushed onto the bone, the muscle, and/or the tissue using the instrument. The device is anchored to the bone, the muscle, and/or the tissue using the clip on the device.