Medical electronic apparatus, namely, implantable prosthetic hearing devices and associated accessories and monitoring equipment, namely, programmable prosthetic hearing implants, multi-channel implantable hearing prosthesis; Interface devices for programming prosthetic hearing implants in the nature of computerized diagnostic programming systems comprised primarily of medical electrode arrays and receiver-stimulator modules,[ promontory stimulators,] speech processors, audio input selectors, cables, headsets, headset coils, headset magnets, headset inserts, headset earhooks, headset microphones, and telephone adaptors