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Updated: Jun 18, 2026
A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
Published on: September 13, 2022
New kid on the block: development of a partially disposable system for cholangioscopy
Krishnavel V Chathadi1, Yang K Chen
1Division of Gastroenterology and Hepatology, Department of Medicine, University of Colorado Denver, MS 735, 1653 Aurora Court, Room AIP 2.031, Aurora, CO 80045, USA.
Abstract:
The SpyGlass Direct Visualization System is a significant step forward in bringing optical visualization to the pancreatobiliary system by providing dedicated irrigation and therapeutic channels and 4-way steerability. Peroral cholangioscopy using the SpyGlass System may be safely performed by a single operator and provides reliable access to target sites for visual inspection and stone therapy using electrohydraulic lithotripsy or holmium laser lithotripsy. In addition, the SpyBite Biopsy Forceps has been shown to obtain adequate histologic tissue specimens reliably.