Method for preparing bone-like structure film layer on surface of titanium

A structural membrane and bone-like technology, applied in the field of biomedical materials, can solve the problems of inability to form a three-dimensional structure, unfavorable protein adhesion, bone cell adhesion and proliferation, prolonged osseointegration, etc., and achieves excellent results in contact angle and surface energy measurement data. , Low production cost, uniform shape effect

Active Publication Date: 2017-06-30
珠海乔丹科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods are currently operated at the micron level, and the diameter of the pits on the titanium surface is about 100-300 μm, which cannot form a good three-dimensional structure and is not conducive to protein adhesion and bone cell adhesion and proliferation, thus prolonging the time of osseointegration

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  • Method for preparing bone-like structure film layer on surface of titanium
  • Method for preparing bone-like structure film layer on surface of titanium
  • Method for preparing bone-like structure film layer on surface of titanium

Examples

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Embodiment 1

[0039] A method for preparing an osteoid structure film layer on a titanium surface, comprising the following steps:

[0040] a. Pretreatment: 3D printing laser casting technology is used to form a smooth spherical structure on the surface of medical titanium metal, which makes the surface of medical titanium metal rough. The diameter of the spherical structure is 20-50 μm, and the distance between the pits on the surface is 100-300 μm. After repeated washing with high-pressure water, ultrasonic oscillation was performed for 30 minutes, and dried for later use.

[0041] b. Electrochemical treatment: the pretreated medical titanium metal is used as the anode, and the copper sheet is used as the cathode, which is placed in the electrolyte solution and anodized by a DC stabilized power supply. The anodic oxidation current is 100mA, and the distance between the two electrodes is 25mm. Electrolyzed for 2 hours, a titanium dioxide-like periosteum layer was formed on the surface; the...

Embodiment 2

[0062] A method for preparing an osteoid structure film layer on a titanium surface, comprising the following steps:

[0063] a. Pretreatment: 3D printing laser casting technology is used to form a smooth spherical structure on the surface of medical titanium metal, which makes the surface of medical titanium metal rough. The diameter of the spherical structure is 20-50 μm, and the distance between the pits on the surface is 100-300 μm. Then use high-pressure water to wash repeatedly, perform ultrasonic oscillation for 20 minutes, and dry it for later use.

[0064] b. Electrochemical treatment: the pretreated medical titanium metal is used as the anode, and the copper sheet is used as the cathode, which is placed in the electrolyte solution and anodized by a DC stabilized power supply. The anodic oxidation current is 80mA, and the distance between the two electrodes is 22mm. After electrolysis for 3 hours, a titanium dioxide-like periosteum layer was formed on the surface; the...

Embodiment 3

[0068] A method for preparing an osteoid structure film layer on a titanium surface, comprising the following steps:

[0069] a. Pretreatment: 3D printing laser casting technology is used to form a smooth spherical structure on the surface of medical titanium metal, which makes the surface of medical titanium metal rough. The diameter of the spherical structure is 20-50 μm, and the distance between the pits on the surface is 100-300 μm. After repeated washing with high-pressure water, ultrasonic oscillation was performed for 40 minutes, and then dried for later use.

[0070] b. Electrochemical treatment: the pretreated medical titanium metal is used as the anode, and the copper sheet is used as the cathode, which is placed in the electrolyte solution, and the anodic oxidation is performed by a DC stabilized power supply. The anodic oxidation current is 120mA, and the distance between the two electrodes is 30mm. After 4 hours of electrolysis, a titanium dioxide-like periosteum ...

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Abstract

The invention discloses a method for preparing bone-like structure film layer on surface of titanium, and belongs to the technical field of biomedical materials. The method comprises the following steps of firstly utilizing three-dimensional printing laser-casting technology to do pretreatment on the surface of the metal titanium, so as to coarsen the surface of the medical metal titanium; then performing electrolytic oxidation to the medical metal titanium after being pretreated, so as to generate a titanium dioxide bone-like film layer on the surface of the medical metal titanium; and finally cleaning and drying the medical metal titanium. The film layer obtained through the method is combined strongly with the titanium base, and its surface has no microcrack and the form is uniform, these conditions are all beneficial to the adhesion of protein and nutrient of bone cells, so as to promote their differentiation and multiplication and improve the ability of bone consolidation. The method has wide application in the field of medical interplantation products such as tooth implantation.

Description

technical field [0001] The invention relates to the technical field of biomedical materials, in particular to a method for preparing an osteoid structure film layer on a titanium surface. Background technique [0002] Among biomedical metal materials, titanium and its alloys have good mechanical properties, corrosion resistance and good biocompatibility. With its excellent comprehensive performance, titanium and its alloys have become medical implants such as artificial joints, bone trauma products, spinal orthopedic internal fixation systems, dental implants, dental trays, dental orthopedic wires, artificial heart membranes, and interventional cardiovascular stents. The preferred material for the product. Improve the bonding ability of titanium metal and bone tissue by modifying the oxide layer on the surface of titanium metal, which is called osseointegration. In order to achieve better, faster and safer osseointegration, scientists have been working on TiO2 on the surfa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L27/06A61L27/30A61L27/50A61L27/56C25D11/26
CPCA61L27/06A61L27/306A61L27/50A61L27/56A61L2400/18A61L2420/02A61L2430/02C25D11/26
Inventor 乔栒柏苏伟峰宁成云
Owner 珠海乔丹科技股份有限公司
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