1. Scissor-shaped diathermic knife with diverticuloscope assistance for Zenker's diverticulum septotomy 
Federico Iacopini, MD 
Gastrointestinal Endoscopy 
Volume 79, Issue 3, Pages (March 2014)
DOI: /j.gie
Copyright © 2014 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
The diverticuloscope delimits the operative field and fixes the Zenker's septum; the SB knife perpendicularly oriented in the middle of the septum (A) before catching and cutting the tissue (B).
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2014 American Society for Gastrointestinal Endoscopy Terms and Conditions

3. Figure 2
Septotomy is limited to the thickness of the cricopharyngeal muscle fibers. A, Early phase: fibers fully visible. B, Intermediate phase: sparse fibers. (C) Late phase: no fibers in the midline of the cut.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2014 American Society for Gastrointestinal Endoscopy Terms and Conditions