Fig. 4From: Safety of endoscopic procedures with monopolar versus bipolar instruments in an ex vivo porcine modelExposed muscularis propria burned by monopolar hemostatic forceps or bipolar hemostatic forceps. (a) The three burning points of the upper row were made using bipolar forceps, and the thee burning points of the lower row were made using monopolar forceps. (b) Histopathology of the burning point using monopolar hemostatic forceps (15 s). (c) Histopathology of the burning point using bipolar hemostatic forceps (15 s)Back to article page