APPARATUS FOR TAILORING TRANSPLANT OF COMPLICATED SHAPE OUT OF CORNEA Russian patent published in 1998 - IPC

FIELD: medicine; ophthalmology; instruments for use in cornea transplantation operations. SUBSTANCE: apparatus comprises set of templates-taps, each comprises hollow curved cylinder and handle with ebonite tip piece. Cylinder height is 5 mm, it wall thickness is 0.6 mm, surface area of its curved base is from 45 to 50 sq.mm. Cutting edge on lower base of cylinder is sharpened at an angle 20 deg. Handle of 30 mm long is attached to cylinder, and 20 mm are taken by ebonite tip. Templates-taps are made of stainless steel. They are simple to handle and make it possible to tailor out transplant, which shape and dimensions are identical to those of bed to be filled, while keeping intact to maximum degree healthy corneal tissue. Besides, these templates-taps make it possible to meter out incision depth preventing perforation of patient's cornea. EFFECT: higher efficiency. 7 dwg