fig3
![Characteristics and uses of IT knife nano](https://image.oaes.cc/8c06660b-6ce9-4229-98d3-6ad7ca0ef59a/4693.fig.3.jpg)
Figure 3. Submucosal dissection using IT knife nano®. (A, B) The blade is hooked in the edge of the submucosal tissue and moving to the center of submucosal layer (blue arrows) injected by blue-colored solution. (C) Submucosal tissue is resected safely (yellow arrow).