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Trephine blades designed to cut and remove circular sections of eye tissues during surgical procedures. These devices typically consist of hollow cylindrical blades in a variety of diameters having circular saw-like edges, a shaft, and a proximal end appropriate for connection to a common rotary handpiece. Dedicated eye surgery trephine blades are available for several ophthalmic procedures, including corneal and scleral implantation and chalazion treatment.
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