44 results about "Diamond knife" patented technology

A diamond knife is a very sharp knife in which the edge is made from diamond, invented by Humberto Fernández-Morán in 1955. Diamond knives are used for medical and scientific applications where an extremely sharp and long-lasting edge is essential. The knives are very expensive to initially purchase, depending on the quality and size of the knife; in addition the knives must be professionally sharpened as the edge dulls.