| 摘要 |
FIELD: medicine. ^ SUBSTANCE: group of inventions relates to medicine. Surgical needle consists of tungsten alloy and has blue, yellow or black coloured surface. Method of manufacturing surgical needle includes stages of formation of workpieces for needles which contain up to 30 weight percent of rhenium and the remaining part of tungsten and impact on manufactured surgical needle. In order to obtain blue, yellow or black colour of the surface, needle is submerged into water solution with pH 7 or lower, and is subjected to impact with electric current with alternating or constant voltage within the range from 1 to 40 V. ^ EFFECT: manufacturing surgical needles. ^ 12 cl, 3 dwg |
