A device for use in total hip arthroplasty surgery including a first guide member having a substantially semi-circular ring having a top surface and a bottom surface, a plurality of first guide legs protruding vertically downward from the lower surface of the semi-circular ring, the first guide legs including a contact area disposed on the open end of the first guide leg； a plurality of holes disposed on the ring, a plurality of protrusions extending vertically upward from a top surface of the ring. The device also includes a second guide member having an arc having an arc of curvature substantially similar to the semi-circular ring, the arc having a top surface and bottom surface, first and second horizontal brackets connecting ends of the arc and being connected thereto at a termination point, a plurality of second guide legs protruding vertically from either the lower surface of the arc, first or second horizontal brackets； and means for connecting the second guide member to the first guide member. The device also includes third and fourth guide members.
