PROBLEM TO BE SOLVED: To provide an artificial hip arthroplasty tool for performing more efficient total hip arthroplasty. SOLUTION: In a canal finder according to the present invention, a tip portion, an intermediate portion and a grip portion are connected via a bending portion, respectively, and the tip portion, the intermediate portion, and the bending portion between the tip portion and the intermediate portion are connected. In addition, a crevice is formed. Further, the hip joint surgical retractor according to the present invention has a first frame having a rod-shaped member having a gear groove and a first arm member fixed to the rod-shaped member, and a rod-shaped member in the first frame. A second frame having a moving member meshed with the gear groove of the member, a second arm member fixed to the moving member, and a pair of claw members attached to the tips of the first arm member and the second arm member, respectively. It is equipped with. [Selection diagram] Fig. 1
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