MONOCRYSTAL SILICON CUTTING INSTRUMENT Russian patent published in 2002 - IPC

FIELD: medical engineering. SUBSTANCE: device has monocrystal silicon base partially or completely coated with protection silicon oxide film produceable by thermal silicon oxidation depending on design version. Cutting blade of such instrument has at least one segment built as intersection of two or more crystallographic planes in both design versions. Some electric circuits are optionally mounted on cutting instrument base in both design versions. Light guides are produced from protection silicon oxide film material. EFFECT: high sharpness of cutting instrument. 6 cl, 10 dwg