Apparatus for the regeneration of stem cells for medical purposes; Artificial teeth; Artificial jaws; Artificial limbs; Biodegradable bone fixation implants; Surgical apparatus and instruments for dental use; Medical apparatus and instruments for treating osteoarthritis and osteoporosis; Medical apparatus and instruments for treating osteotraumatic injuries, degenerative bone diseases and joint diseases; Orthodontic appliances; Pins for artificial teeth; Stents; Surgical apparatus and instrum...