The sapphire knives are all under strict and accurate processing, they are well known as for their extremely sharped cutter, simplifying the eye operations, no obvious scar left, quick wound healing.

• 兰宝石手术刀片硬度高，刀刃细腻，锐利度高，对神经兴奋性影响小，不易粘附血渍，酸血不浸润，耐腐蚀易消毒。