The main advantages of using Titanium Grade 2 Round Bar and titanium alloys as human implants are: (1) Density (20°C) = 4.5g/cm3, light weight. Implanted into the human body: reduce the burden on the human body, as a medical device: reduce the operating load of medical personnel. (2) Low elastic modulus, pure medical titanium plate is 108500MPa, implanted in the human body: it is closer to the natural bone of the human body, which is beneficial to bone joint and reduces the stress shielding effect of bone on the implant. (3) Non-magnetic, not affected by electromagnetic fields and thunderstorms, which is beneficial to human safety after use. (4) Non-toxic, as an implant, it has no toxic and side effects on the human body. (5) Corrosion resistance (biologically inert metal material), which has excellent corrosion resistance in the immersion environment of human blood, ensures good compatibility with human blood and cell tissue, does not produce human pollution as an implant, and does not Allergic reactions will occur, which is the basic condition for the application of titanium and titanium alloys. (6) High strength and good toughness. Due to trauma, tumors and other factors that cause bone and joint damage, in order to establish a stable bone support, arc-shaped plates, screws, artificial bones and joints must be used. These implants should be left in place for a long time. In the human body, it will be subjected to bending, torsion, extrusion, muscle contraction and other effects of the human body, requiring implants to have high strength and toughness.
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