MEDICAL OPTICAL INSTRUMENT Russian patent published in 2000 - IPC

FIELD: medicine. SUBSTANCE: the instrument has the functional and auxiliary fastening components in the form of a non-detachable monolithic construction. The instrument is coated with a protective layer of material resistant to climatic and chemical effects showing themselves while in transit, storage and disinfection treatment. The protective material does not absorb optical radiation within 0.4 to 0.9 mkm.. The functional component may be made flat, or concave, or convex. The working surface of the functional component under the protective layer may be treated up to surface finish class 11-12. A layer of metal with a high reflecting surface from 0.5 to 1.0 mkm. may be applied between the protective layer and the surface of the functional component. EFFECT: prolonged service life and enhanced degree of patient's safety due to immunoprotection and toxic safety of the instrument. 7 cl, 1 dwg