Rotary external guiding and internal fixing configuration configuring device for femoral head and neck
A technology of fixed configuration and device configuration, which is applied in medical science, surgery, etc., can solve the problems of inaccurate positioning guide needle position, iatrogenic damage, low accuracy, safety and effectiveness, and solve the problem of inaccurate operation. The effect of stability, improved accuracy, and low device cost
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Embodiment 1
[0030] like figure 1 , figure 2 As shown, the device of the present invention includes: a guide sleeve 1 , a rotating slider 2 , a connecting guide rail 3 , a locking nut 4 , a mounting plate 5 , and an indicator needle 6 .
[0031] The rotating slider 2 is provided with a hollow groove 21 , and a positioning boss 22 is arranged above the rotating slider 2 .
[0032] The connecting guide rail 3 includes an arc portion 31 and a connected plane portion 32, the angle β between the chord of the arc portion 31 and the plane where the plane portion 32 is located is 110°-140°, and the arc portion 31 is provided with a strip-shaped slot hole 33, the plane part 32 is connected and fixed with the mounting plate 5; the mounting plate 5 is provided with at least two mounting holes 51, and the present embodiment is provided with three rows and three columns of mounting holes 51 evenly arranged, which is convenient for adjustment according to different human bone femoral installation loc...
Embodiment 2
[0043] The device in this embodiment includes: a guide sleeve 1 , a rotating slider 2 , a connecting guide rail 3 , a lock nut 4 , a mounting plate 5 , and an indicator pin 6 .
[0044] In this embodiment, the structures of the guide sleeve 1 , the rotating slider 2 , the connecting guide rail 3 , the lock nut 4 , and the indicator needle 6 are the same as those in Embodiment 1.
[0045] like Figure 4 As shown: the inner side of the mounting plate 5 in this embodiment is an arc-shaped curved surface 52, and several concave-convex stripes 53 are arranged on the arc-shaped curved surface 52. The upper and lower surfaces of the mounting plate 5 are provided with concave grooves 54 for holding or holding tools. The plane portion 32 of the connecting guide rail 3 is arranged parallel to the mounting plate 5 , and the included angle γ between the arc chord of the curved surface 52 and the plane where the plane portion 32 is located is 12°-15°.
[0046] When the present invention ...
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