ABSTRACT MEDICAL KNIFE A work 10 made of a hard wire rod of austenitic stainless steel is pressed at a rolling reduction of 60 % or greater, into a paddle-shaped end lOb, and then subjected to work hardening, making the hardness of the end lOb 550 Hv or greater. Afterwards, the paddle-shaped end lOb is cut through machining, forming a main body lOc of a medical knife and cutting blades lOd. As a result, a medical knife, which is easily fabricated, is corrosion resistant, has sufficient hardness and sharpness, high toughness preventing cracks, can be provided. Dated this 25th day of September 2006. (CRETAN CHADHA) PATENT AGENT Jo The Controller of Patents The Patent Office At New Delhi.
