Impact of using scope holder on Interventional Endoscopy (with video).

It is necessary to hold the scope in the optimum position when performing endoscopy, especially when performing treatments such as interventional endoscopy. During interventional endoscopic ultrasound (EUS) such as EUS-guided biliary drainage, it is important to keep the scope position from the time of puncture so as to maintain a good position where the force is most easily transmitted to the devices during puncture route dilation or stent insertion.