A bone healing monitoring system (10), which includes a probe configured to measure at least one physical condition. The system includes an optical fiber (20) and a control unit (30) attached to the optical fiber (10). The system (10) also includes a surgically implantable device (40, 140, 240, 340) having a channel extending along at least a portion of the implantable device and is configured to receive the optical fiber (20) therein.