A gallstone removing device for hepatobiliary surgery

Abstract

The utility model discloses a kind of gallbladder surgery stone extraction devices, it is related to medical instrument technical field, including sheath, first guide wire, net basket seat, net basket wire, net basket cap, wrapping wire, how many the net basket wire and two upper wrapping wire are with the center of circle of net basket seat as center semicircular distribution.The utility model is by being provided with by multiple net basket wire and upper wrapping wire class "spoon" structure, the large space unobstructed part between two upper wrapping wire can make stone be easily sleeved into "spoon" structure inside, to realize the efficient sleeve connection of stone, then pull second guide wire and make helical wire shrink in L type guide hole, the helical wire far from the end of second guide wire is deformed and turns over upwards, in turn drive upper wrapping wire to turn over upwards, so that two upper wrapping wire turn over to the top of stone and realize the wrapping of stone, to guarantee the smooth extraction of stone.

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