| 摘要 |
FIELD: medicine.SUBSTANCE: invention relates to medicine. Cutting instrument has working section on front end of shank, consisting of carbide or ceramics. Shank is made from round stainless steel rod or round instrumental steel rod. Shank and working section are connected by means of soldered section. Soldering surfaces are provided with protruding sections. Each protruding section contains bevelled surfaces. Bevelled surfaces have apex and height in the range 0.5-8% including, of shank soldering surface diameter.EFFECT: medical cutting instrument demonstrates high strength of connection region, obtained by soldering.3 dwg |
