Introduction. The increase of cholelithiasis incidence and its complicated forms — choledocholithiasis, requires further development and improvement of the diagnosis and treatment of this pathology. Purpose. Definition of indications for laparoscopic fibrocholedochoscopy treatment of gallstone disease complicated by choledocholithiasis and to improve its results by using the developed device. Material and methods. Since 2009 till 2018 at the Department of surgery №1, Ufa City Clinical Hospital №21, there have been 176 fibrocholedochoscopy performed. Since 2013 till 2018, a total of 69 fibrocholedochoscopy followed by choledocholite extraction were performed, 19 of them were carried out using a specially designed «device for removing stones from the extrahepatic bile ducts.» Among these patients there were 11 (57.9%) women, 8 (42.1%) men. Age 25—86 years (mean 45.2 years). Results. The paper presents one of the methods of intraoperative diagnosis and treatment of choledocholithiasis in laparoscopic cholecystectomy — intraoperative fibroholedochoscopy, including the proposed original «device for extracting stones from the extrahepatic bile ducts» use, which contributes to adequate sanitation of the bile ducts, reducing left concretions in the ducts, as well as reducing the time of surgery. Conclusion. One-stage endovideosurgical treatment using fibroholedochoscopy and the author’s device allows to preserve the sphincter apparatus of the large duodenal papilla, without dissection of the latter or the use of highly traumatic open methods of surgical treatment of this pathology. The device allows to perform choledocholithotomy under visual control of choledochoscope without x-ray application.