FIELD: medicine.
SUBSTANCE: invention refers to medicine, namely to surgery, and can be used for percutaneous transhepatic gingival intraductal biopsy. Percutaneous transhepatic cannulation of bile ducts is performed by Seldinger's method. Introducer is installed. Introducer introduces biopsy forceps for flexible endoscopy with ligature fixed at the distal end. Performing the first stage is biopsy without thread tension. Second stage involves a polypositional biopsy due to suture tension. After the biopsy is performed, the introducer is removed on the conductor. Dawson-Muller drainage is inserted along the guide into the bile duct lumen and the guide is removed.
EFFECT: method enables reducing injuries, increasing the accuracy of morphological diagnosis.
1 cl, 2 dwg
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