Over-the-scope suturing (OTSS) requires a double-channel gastroscope, and closure of defects in the right side of the colon may require an overtube. Through-the-scope suturing (TTSS)
Over-the-scope suturing
Over-the-scope suturing
Randomized Controlled Trial of Over-the-Scope Versus Through-the-Scope Suturing of ESD Defects
Randomized Controlled Trial of Over-the-Scope Versus Through-the-Scope Suturing of ESD Defects