Interbody fusion cage
An intervertebral fusion device, one-half technology, applied in the field of orthopedic internal fixation implants, can solve problems such as easy slipping out of the intervertebral space, achieve good supporting effect, and not easy to shift or fall off as a whole
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[0029] The intervertebral fusion device of the present invention will be further described in detail through specific examples below.
[0030] Such as Figure 1-3 The intervertebral fusion device is made of titanium alloy or PEEK material, and the body is a strip-shaped structure, including an upper surface 1, a lower surface 2, and a side wall 3 connecting the upper and lower surfaces, and a through hole 4 runs through the upper and lower surfaces , the area of the through hole 4 is not less than 60% of the surface area of the upper / lower surface of the cage, and is used for implanting bone graft. A through hole 31 is also provided on the side wall 3 for promoting the blood supply between the implanted bone graft and the human body, so that the graft bone can be better fused with the upper and lower vertebral bodies. The front end of the fusion cage is a streamlined structure with a smooth transition, and a threaded hole or a slot (not shown) that fits into the insertion...
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