Parkes Osteotome is a specialized rhinology tool that surgeons can use to cut, reshape, and divide nasal surfaces, especially during rhinoplasty procedures and other nasal reconstructive surgeries. Atraumatic Guarded Beveled Blade for Preventing Local Damage. Parkes Osteotome is a useful tool in rhinoplasty procedures. The instrument is ideal for performing lateral osteotomies. The sharp tip allows for detailed work of the bony surface and more precise control by the surgeon. The guard is present to prevent injury to surrounding tissue.