Minimally Invasive lumbar fusion device and its use method
An intervertebral fusion device and fusion device technology, applied in the field of medical devices, can solve problems such as stress reduction, unsatisfactory bone induction effect, and nerve damage, and achieve the goal of restoring the height of the intervertebral space, reducing human injury, and reducing stress concentration. Effect
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[0039] Please refer to Fig. 1 to Fig. 7, the minimally invasive intervertebral fusion cage, the surfaces between the fusion cage head 1 and the fusion cage tail 2 are two oppositely arranged endplate contact surfaces 5 and oppositely arranged inner insertion surfaces 3 and outer The insertion surface 4 is provided with an opening 6 on the inner insertion surface 3, and the opening 6 leads directly to the interior of the fusion vessel to form an accommodating space inside the fusion vessel; the upper end of the opening 6 is close to the fusion vessel head 1 and the lower end is close to the fusion vessel tail 2. Two openings 7 are provided on the outer insertion surface 4, and the two openings 7 are arranged longitudinally along the fusion device head 1 and the fusion device tail 2 and communicate with the accommodation space; the fusion device head 1 is convex It is arc-shaped and gradually narrows from back to front; the fusion head 1 forms a bullet shape; the transition betwe...
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