Voluntary Cyborg

(/ˈvɑ.lənˌtɛ.ɹi//ˈsbɔːrɡ/)

one who has technological implants embedded beneath the skin for enhancement or augmentation purposes. 

Medical Cyborg

(/ˈmɛdɪkl̩/ˈsbɔːrɡ/)

one who has technological implants embedded beneath the skin for rehabilitative or therapeutic purposes.