Surgical sutures; wearable walking assistive robots for medical use; artificial skin for surgical purposes; bone substitutes for surgical use; surgical grafts comprised of artificial materials, namely, synthetic bone, stent, and vascular grafts for use in surgery; contraceptive devices; feeding bottles; cooling patches for medical purposes; radiological apparatus for medical purposes; dental apparatus and instruments, namely, dental drills, dental prostheses, dental picks, dental handpieces, ...