Three-dimensional printing technology based method for forming medical porous pure titanium implant
A technology of three-dimensional printing and implants, which is applied in the field of preparation of individualized medical porous pure titanium implants, which can solve the problems of inability to achieve individualization, complex shapes and tiny details, and achieve low cost and method Simple, well-matched effect
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Embodiment 1
[0020] A preparation method for forming individualized medical porous pure titanium implants based on three-dimensional printing technology, comprising:
[0021] (1) Mix pure titanium powder with a particle size of about 30 μm and water-soluble bonding material (polyvinyl alcohol) in a weight ratio of 5:95, and then grind it so that the powder does not agglomerate;
[0022] (2) The above-mentioned ground powder is transported to the platform, and the layer is rolled and laminated; the size of the titanium implant specimen is designed to be 36mm×12mm×6mm, and it is input into the supporting software of the three-dimensional printing equipment. According to the cross-section information of each layer of the specimen CAD, the print head sprays the binder (1% polyvinylpyrrolidone concentration) on the titanium powder to form a two-dimensional plane, and sprays each layer of binder twice. After one layer is processed, the workbench is lowered by 0.1mm, and the next layer is process...
Embodiment 2
[0024] A preparation method for forming individualized medical porous pure titanium implants based on three-dimensional printing technology, comprising:
[0025] (1) Mix pure titanium powder with a particle size of about 30 μm and water-soluble bonding material (polyvinyl alcohol) in a weight ratio of 10:90, and then grind it so that the powder does not agglomerate;
[0026] (2) Transport the above-mentioned ground powder to the platform, and roll the layer. The size of the titanium implant specimen was designed to be 36mm×12mm×6mm, and it was input into the supporting software of the 3D printing equipment. According to the cross-section information of each layer of the specimen CAD, the print head sprays the binder (1% polyvinylpyrrolidone concentration) on the titanium powder to form a two-dimensional plane, and sprays each layer of binder twice. After one layer is processed, the workbench is lowered by 0.1mm, and the next layer is processed, and the layers are piled up and...
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