1. Early experience with use of an endoscopic “hot” scissor-type knife for myotomy during per-oral endoscopic myotomy procedure 
Toshitaka Shimizu, MD, Kyle J. Fortinsky, MD, Kenneth J. Chang, MD 
VideoGIE 
Volume 4, Issue 4, Pages (April 2019)
DOI: /j.vgie
Copyright © 2019 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
The SB knife opening (A) grasping muscle tissue (B), closing on muscle tissue (C), and retracting and cauterizing muscle tissue (D) during a per-oral endoscopic myotomy procedure.
VideoGIE 2019 4, DOI: ( /j.vgie )
Copyright © 2019 American Society for Gastrointestinal Endoscopy Terms and Conditions