[Non-surgical removal of calculi left in the bile ducts]

The experience with non-surgical treatment of 8 patients with calculi left in the bile ducts in presence of external drainage of the hepatocholedochus is set forth. Various procedures were used: washing ofthe bile ducts, injection of heparinized physiological solution into the bile ducts and removal of the calculi with the help of Dormia's probe. Good results were obtained in all 8 cases. No repeated operations were needed.