Acetabulum posterior column reverse motion percutaneous lag screw guiding device
A technology of guiding device and rear column, which is applied in medical science, surgery, etc., can solve the problems of expensive navigation equipment, high equipment cost, and unpopularization of hospitals, and achieve simple structure, low equipment cost, and high nail placement rate. Effect
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[0020] In order to further understand the purpose, structure, features and functions of the present invention, the following provides a detailed description combined with specific embodiments.
[0021] The acetabular posterior column retrograde percutaneous lag screw guiding device according to the present invention, such as figure 1 and figure 2 As shown, the guide device includes a cross bar frame and a longitudinal bar frame. The crossbar 3 spans above the anterior superior iliac spine and the posterior superior iliac spine; the two ends of the crossbar 3 are respectively connected to the crossbar foot 2 by means of the crossbar sliding device, and the crossbar foot 2 at one end can move along with the crossbar sliding device. Slide on the rod 3, and the cross-bar foot 2 at the opposite end is locked on the cross-bar 3 to measure the distance between the anterior superior iliac spine and the posterior superior iliac spine and determine the bone sex of the anterior superio...
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