| abstract |
The invention discloses a high-strength bioactive intervertebral fusion device and a manufacturing method thereof, wherein the intervertebral fusion device consists of an outer layer, a middle layer and an inner layer, the middle layer is wrapped inside the outer layer, and the inner layer is arranged in the middle layer; the outer layer is made of soft materials; the middle layer is of a porous structure, and the inner pore passage is completely communicated; the inner layer is a combination of two or more bioactive materials with porous structures, the inner pore channels are completely penetrated, the bioactive materials can be a combination of calcium magnesium silicate, phosphate and the like, and the bioactive materials can also have some special functions. The middle layer comprises an inlet and a track, the inner layer enters the middle layer through the inlet, and the inner layer is movably arranged on the track. The high-strength bioactive intervertebral fusion device has high mechanical strength, good position stability, good bioactivity and multiple functions. |