Patent ID: 8246632

Claim:
A device for endoscopic removal of stones or concrements from a bile and pancreatic duct or foreign bodies and polyps subsequent to polypectomy in the upper or lower gastrointestinal tract, said device comprising: a cable guided in a tube; the tube comprising, on a proximal end, an actuation element for an axial displacement of the cable within the tube; said cable comprising, on a distal end, a collecting basket formed by at least four elastic basket wires; said basket wires being bundled at one end on the cable and at another end on a guide element, those basket wires which bear against the end of the tube leading, upon an axial displacement of the cable, to a loop-like contraction or expansion of the collecting basket and to a rotation of the collecting basket about a longitudinal axis of the collecting basket, wherein the tube is configured as a double-lumen tube, the cable being arranged in a first lumen and a guide wire being arranged in a second lumen, and the first lumen extends next to the second lumen within the tube; a distal end of the guide wire extending axially beyond the tube is not guided relative to the collecting basket; and the collecting basket executes the rotation through approximately 130°.