Tornado cleaning technique for food impaction in gastroduodenal stent using a high-rotational spiral basket catheter

E-VideosVideo 1 Tornado cleaning technique for food impaction in gastroduodenal stent using a novel basket catheter. Fig. 1 Structure of the novel basket catheter.a The basket catheter has a rotation function.The width of the basket is 20 mm.b The basket is formed by eight spiral wires.c The rotating handle and basket are connected using a special catheter shaft.The catheter shaft is composed of four layers of coil springs, and the direction of the springs alternates for each layer.This structure allows for a high torque response.