titanium cervical plates neurosurgery
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Skull Titanium Plate
Ti-Ni alloy is a typical shape memory alloy material, which is an intermetallic compound with approximately equal atomic stroke. The density of Ti-Ni alloy is 6.45g/cm3, and its melting point is 1240-1310 ℃. There are two phases in crystal structure: martensite and austenite, which can be transformed into each other under certain conditions, showing shape memory effect and superelasticity in the process. Almost all interventional medical devices with nickel-titanium alloy are ingenious use of these two valuable properties.
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As a material for the preparation of interventional instruments, Ni-Ti alloy is mainly used in organisms, which must meet not only the reliability of mechanical properties, but also the reliability of chemistry, biology and biochemistry. and whether it is compatible with organisms and look at thrombosis, antigenicity and so on.