[Instruments for surgery on the liver and bile ducts].

Newly designed instruments are intended for operations on the liver and bile ducts for cholelithiasis and other abnormalities of the bile tracts. In comparison with the earlier methods they are less invasive and easier in use. Some advantages of the instruments are considered with special reference to the decrease in post-operative complications. As clinical tests have shown, the application of the instruments offers new diagnostic and surgical possibilities in the treatment of various diseases of the liver and bile ducts.