STONE REMOVAL DEVICE DEDICATED TO ERCP POST-OPERATIVE RESIDUAL BILE DUCT STONES

摘要

Provided is a stone removal device dedicated to ERCP post-operative residual bile duct stones, comprising a core rod (1), a slider (2), a booster rod (3), a luer connector (6), an outer tube (7) and a transmission wire (9); the core rod (1) is in the shape of a hollow rod, and is connected with the outer tube (7) through threads, the booster rod (3) is arranged inside the core rod (1), and the slider (2) is nested on the core rod (1), the booster rod (3) is connected to the slider (2), two cavities (12, 13) are provided inside the outer tube (7) and the luer connector (6) is arranged at one end, close to an operating handle, of the outer tube (7) for a guide wire to pass through; and the stone removal device further comprises a sponge block (8), wherein the sponge block (8) is detachably connected to the tail end of the transmission wire (9) through a connecting portion (4). The stone removal device can non-invasively remove the quicksand-like stones in a patient's bile duct without causing damage to the patient's bile duct wall.