Measurement method of porosity of 3D printed titanium alloy trabecular acetabular cup
A technology of 3D printing and measurement method, applied in measurement device, permeability/surface area analysis, suspension and porous material analysis, etc. question
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[0032] The following implementation examples are only descriptive, not restrictive, and cannot limit the protection scope of the patent of the present invention.
[0033] Firstly, 3D printing technology was used to prepare titanium alloy trabecular bone cup specimens. The specimens included the solid part of the trabecular bone cup and the trabecular bone part. Trabecular bone structure, the size range of the cup is 40-80mm.
[0034] According to the size and specifications of the acetabular cup, the theoretical morphological figure of the trabecular bone at the concentric spherical position of the acetabular cup is created. A theoretical model of the trabecular volume capable of containing the cup is formed using the crystallographic structure or any trabecular structure that favors bone ingrowth through topological expansion. The volume model of the bone trabecula was cut with concentric spheres of different radii to obtain the structural morphology of the surface of the ac...
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