Antibacterial functionalized artificial joint with silver-loaded nanotube array surface
A nanotube array, artificial joint technology, applied in inorganic chemistry, titanium compounds, chemical instruments and methods, etc., can solve the problem of not involving the surface preparation of metal substrates, and achieve the effect of not easy to produce drug resistance and high sterilization efficiency
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[0027] Example 1
[0028] (1) First select titanium alloy to process the artificial joint;
[0029] (2) Pretreatment of the artificial joint surface: After the surface is polished, ultrasonically wash with acetone, deionized water and absolute ethanol for 10-30 minutes, and then use HF and HNO 3 The mixed solution of water and water (volume ratio is 1:4:5) is chemically polished for 20-40 seconds, and then thoroughly rinsed with deionized water, then dried for use;
[0030] (3) Preparation of aqueous organic electrolyte solution: using ethylene glycol as a solvent, other active ingredients are: water 2vol% (volume percent), phosphoric acid 4vol% (volume percent), ammonium fluoride 0.3wt% (mass percent);
[0031](4) Preparation of titanium dioxide nanotubes by two-step anodic oxidation: the artificial joint with surface pretreatment is used as the anode, and the graphite or platinum sheet is used as the cathode, and the first anodic oxidation is carried out in an aqueous organ...
Example Embodiment
[0035] Example 2
[0036] (1) First select titanium to process the artificial joint;
[0037] (2) Pretreatment of the artificial joint surface: after the surface is polished, ultrasonically wash with acetone, deionized water and absolute ethanol for 30-60 minutes in sequence, and then use HF and HNO 3 The mixed solution of water and water (volume ratio is 1:4:5) is chemically polished for 40-60 seconds, and then thoroughly rinsed with deionized water, and then dried with a hair dryer for use;
[0038] (3) Preparation of aqueous organic electrolyte solution: using ethylene glycol as solvent, other active ingredients are: water 2vol% (volume percent), phosphoric acid 4vol% (volume percent), ammonium fluoride 0.5wt% (mass percent);
[0039] (4) Preparation of titanium dioxide nanotubes by two-step anodic oxidation: the artificial joint with surface pretreatment is used as the anode, and the graphite is used as the cathode, and the first anodic oxidation is carried out in an aque...
Example Embodiment
[0043] Example 3
[0044] (1) First select titanium alloy to process the artificial joint;
[0045] (2) Pretreatment of the artificial joint surface: after the surface is polished, ultrasonically wash with acetone, deionized water and absolute ethanol for 60-90 minutes in sequence, and then use HF and HNO 3 The mixed solution of water and water (volume ratio is 1:4:5) is chemically polished for 60-80 seconds, and then thoroughly rinsed with deionized water, then dried by a hair dryer for use;
[0046] (3) Preparation of aqueous organic electrolyte solution: using ethylene glycol as a solvent, other active ingredients are: water 4vol% (volume percent), phosphoric acid 6vol% (volume percent), ammonium fluoride 0.5wt% (mass percent);
[0047] (4) Preparation of titanium dioxide nanotubes by two-step anodic oxidation: the artificial joint with surface pretreatment is used as the anode, and the graphite or platinum sheet is used as the cathode, and the first anodic oxidation is ca...
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