1. “Two-devices-in-one-channel method” in a Roux-en-Y patient
Yohei Koyama, MD, Takao Itoi, MD, Mitsuyoshi Honjo, MD, Kenjiro Yamamoto, MD 
VideoGIE 
Volume 2, Issue 12, Pages (December 2017)
DOI: /j.vgie
Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
A, CT image showing impacted common bile duct stones. B, Short-type single-balloon enteroscope (SIF-H290S). C, Insertion of cholangioscopy forceps and catheter in the accessory channel of single-balloon endoscope. D, The 2-devices-in-1-channel method. E, Successful performance of selective biliary cannulation.
VideoGIE 2017 2, DOI: ( /j.vgie )
Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions