Adjustable thoracolumbar vertebral fracture reduction recovery three-dimensional retractor
A thoracolumbar spine, adjustable technology, used in gymnastics equipment, non-surgical orthopaedic surgery, sports accessories, etc., can solve the problems of lack of lumbar spine, soft tissue compression, change in the direction of traction force, etc. Exercise, the effect of ensuring comfort
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[0016] See figure 1 , The embodiment of the present invention is provided with an adjustable tension bow device, a cable tie, a movable pulley group 30, a fixed pulley group 40, a fixing member 50 and a draw rope 60.
[0017] The adjustable tension bow device is provided with a six-bar linkage mechanism, a left screw 10, a right screw 11 and a central adjustment screw 12. The lower part of the left screw 10 and the right screw 11 is triangular. The six-bar linkage mechanism is provided with first to sixth rods (marked 13-18 in order). The lower end of the first rod 13 is screwed to the upper end of the left screw 10 and fixed by the left lock nut 19, and the lower end of the third rod 15 Screwed to the upper end of the right screw 11 and fixed by the right lock nut 20, the two ends of the second rod 14 are hinged with the upper end of the first rod 13 and the upper end of the third rod 15, respectively, and the upper end of the fourth rod 16 is hinged to the third rod The membe...
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