Easy to catch Easy to release

The spiral upward design facilitates the entry of stones into the extractor, the efficiency of successful stone removal is greatly improved, (spiral) Smooth and soft outer sheath, smooth in and out, balanced between strength and softness, large holes between extractor, easy to retrieve and place repeatedly, suitable for larger diameter stones. Safer to use, less traumatic, easier to locate, easier to approach and capture stones, ensuring a clear surgical field of view, (four-wire type) Superior elasticity, memory and resistance to kinking allow for multiple unfolding /dosing, which facilitates...