Anti-infection medical material titanium alloy
A titanium alloy, anti-infection technology, applied in medical science, prosthesis, etc., can solve the problems of heavy economic burden of patients, achieve excellent antibacterial performance and broad application prospects
Active Publication Date: 2018-11-02
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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Problems solved by technology
The increasingly serious problem of bacterial infection at this stage not only brings huge physical and mental pain and heavy economic burden to patients, but also causes varying degrees of negative impact on hospitals and society
Method used
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Embodiment
[0018] Embodiments: Embodiments 1-8 are anti-infection medical material titanium alloys containing Ga element, the chemical composition of which is shown in Table 1. Controlled smelting is carried out according to the chemical composition range of the present invention.
[0019] The forging process used is: the alloy is homogenized at 920°C for 2 hours, the billet is forged, and the diameter is 10mm forged in multiple passes, and the final forging temperature is 820°C;
[0020] The heat treatment process adopted is that the solid solution temperature is 800° C. and the solid solution time is 40 minutes.
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Abstract
The invention relates to the field of medical titanium alloy materials, in particular to an anti-infection medical titanium alloy. The medical titanium alloy comprises chemical components including, by weight percent, 5.5%-6.5% of Al, 3.5%-4.5% of V, 0.2%-4.0% of Ga and the balance Ti and other inevitable impurity elements. The proper amount of Ga element is added in a medical Ti6Al4V alloy matrix, and accordingly the Ti6Al4V medical titanium alloy is endowed with the excellent bacterium infection resisting function. The alloy can be widely applied to various medical titanium alloy medical instruments used in the orthopedics department, the stomatology department and other clinic fields, and bacterium infection risks caused during usage of existing implanted material titanium alloy instruments can be further obviously reduced.
Description
technical field [0001] The invention relates to the field of medical titanium alloy materials, in particular to an anti-infection medical titanium alloy. Background technique [0002] Due to its non-magnetic, non-toxic, excellent biocompatibility, good wear resistance and corrosion resistance and comprehensive mechanical properties, medical titanium alloy is a kind of medical metal material widely used in clinical practice, and has been widely used in artificial joints, Fracture internal fixation devices, spinal orthopedic internal fixation systems, dental repairs and many other implanted devices. Ti6Al4V is the first generation of medical titanium alloy widely used in the manufacture of implant devices, and its main alloying elements are Al (5.5-6.5wt.%) and V (3.5-4.5wt.%). Compared with pure titanium, Ti6Al4V is an α+β titanium alloy with excellent mechanical properties and good processing properties. It has a long history of clinical application as surgical repair mater...
Claims
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IPC IPC(8): C22C14/00C22C1/03C22F1/18A61L27/06A61L27/50
CPCA61L27/06A61L27/50C22C1/03C22C14/00C22F1/183
Inventor 席通赵金龙杨柯杨春光
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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