Outer-layer porous orthopedic hard implant material with integrated radial structure and function and preparation method and application thereof
An implant material and function technology, applied in prosthesis, medical science, tissue regeneration, etc., can solve the problems of increasing the difficulty of processing and implantation, increasing the cost of material preparation, and changing mechanical properties, so as to maintain the pore structure characteristics and biological activity. Ability, the preparation process is convenient and clean, and the effect of short holding time
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[0034] Example 1
[0035] The present embodiment provides a method for preparing a radial structure-function integrated outer layer porous orthopaedic hard implant material, which specifically includes the following steps:
[0036] (1) According to the mass percentage of Ti: 74%, Nb: 20%, Zr: 6%, weigh Ti, Nb, Zr metal powders (titanium, Scanning electron micrographs of niobium and zirconium metal powders and transmission electron micrographs of HA are as follows figure 1 The weighed Ti, Nb, Zr metal powders are put into the cemented carbide steel ball mill tank, the ball mill dispersant absolute ethanol is added, and the stainless steel ball mill ball is added according to the ball-to-material ratio 4:1 (mass ratio), wherein the stainless steel ball The ball-to-ball ratio of the balls is 2:1 (mass ratio). After the assembly is completed, the tank is sealed, and this step is completed in a vacuum glove box;
[0037] (2) Put the sealed tank of step (1) into a ball mill for b...
Example Embodiment
[0045] Example 2
[0046] The present embodiment provides a method for preparing a porous orthopaedic hard implant material with a uniform radial composition and a changed structure, which specifically includes the following steps:
[0047] (1) According to the mass percentage of Ti: 70%, Nb: 17%, Zr: 13%, weigh Ti, Nb, Zr metal powders with a purity of 99.9% and an average particle size of 50 μm in a vacuum glove box; The Ti, Nb, Zr metal powders are put into the cemented carbide steel ball mill tank, the ball mill dispersant is added with anhydrous ethanol, and the stainless steel ball mill ball is added according to the ball-to-material ratio of 4:1 (mass ratio). is 2:1 (mass ratio). After the assembly is completed, the tank is sealed, and this step is completed in a vacuum glove box;
[0048] (2) Put the sealed tank of step (1) into a ball mill for ball milling and powder mixing. The mechanical ball milling parameters are: rotational speed: 300 r / min, and ball milling ti...
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