Dr Panagotacos is Now Offering The World’s Only Robotic Hair Restoration Procedure. The ARTAS iX Robotic Hair Restoration System. Dr Panagotacos has for 40 years kept at the forefront of hair replacement technology keeping with that tradition he is proud to announce the addition of the ARTAS Robotic Hair Transplant System to his practice, the only ARTAS iX in San Francisco. You can now enjoy natural-looking hair –your own hair – that you can wear at any length and style with confidence. *Minimally Invasive * 3D hairline planning * Quickly return to your regular activities * Hair can be worn at any length or style with confidence.