40
Treatment of materials
custom fabrication and production of prosthetics, namely, arms, hands, legs, feet, eyes, ears, and fingers; custom fabrication and production of anatomical components, namely, artificial joints, artificial organs, stents, pacemakers, cochlear implants, and implantable devices for monitoring cardiac, blood serum, and gastrointestinal conditions; custom fabrication and production of valves, namely, artificial heart valves and artificial gastrointestinal valves