Fig. 3.
Different types of knives used for endoscopic submucosal dissection. (A) Insulation-tipped diathermic knife. (B) Hook knife. (C) Flex knife. (D) Dual knife.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.