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Biomedical composite material and preparation method thereof

A composite material and biomedical technology, applied in the field of biomedical composite materials, can solve the problems of natural decomposition and inconvenience in use, and achieve the effect of meeting the needs of use, wide source of raw materials, and good antibacterial ability.

Inactive Publication Date: 2018-10-19
HEFEI ZHIHUI LONGTUTENG INTPROP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Biomedical composite materials are biomedical materials composed of two or more different materials. Although the existing biomedical composite materials have good biocompatibility and performance, they still need secondary operations to remove them. It cannot be decomposed naturally in the human body, which brings inconvenience to people's use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A biomedical composite material, comprising the following raw materials in parts by weight: 18 parts of spinel, 10 parts of nano-titanium dioxide, 0.8 parts of sodium alginate, 12 parts of ethylene glycol, 5 parts of water-soluble chitosan, 4 parts of platinum powder, 8 parts of molybdenum powder, 5 parts of magnesium powder, 4 parts of dibutyl phthalate, 2 parts of triphenyl phosphite, 15 parts of vegetable starch, 3 parts of gelatin, 21 parts of phenolic resin, 3 parts of sodium silicate, lecithin 2 parts, polyoxypropylene oxide ethylene glyceryl ether 4 parts and barracuda 5 parts. Vegetable starches include mixtures of mung bean starch, sugar cane starch, and potato starch.

[0021] The preparation method of the biomedical composite material, the specific steps are as follows:

[0022] Step 1, crush the spinel to 180 mesh, then mix the spinel powder, nano-titanium dioxide, platinum powder, molybdenum powder and magnesium powder in a planetary ball mill and add 0.45...

Embodiment 2

[0030] A biomedical composite material, comprising the following raw materials in parts by weight: 21 parts of spinel, 11 parts of nano-titanium dioxide, 1 part of sodium alginate, 14.5 parts of ethylene glycol, 6.6 parts of water-soluble chitosan, 7 parts of platinum powder, Molybdenum powder 10 parts, magnesium powder 5.5 parts, dibutyl phthalate 4.8 parts, triphenyl phosphite 4 parts, vegetable starch 17.5 parts, gelatin 5 parts, phenolic resin 24 parts, sodium silicate 4.5 parts, lecithin 2.8 parts, polyoxypropylene oxide ethylene glyceryl ether 4.6 parts and pike grass 6 parts. The particle size of platinum powder, molybdenum powder and magnesium powder is 30 mesh, and the particle size of nano-titanium dioxide is 60nm.

[0031] The preparation method of the biomedical composite material, the specific steps are as follows:

[0032] Step 1, crush the spinel to 200 mesh, then mix the spinel powder, nano-titanium dioxide, platinum powder, molybdenum powder and magnesium pow...

Embodiment 3

[0040] A biomedical composite material, comprising the following raw materials in parts by weight: 23 parts of spinel, 13 parts of nano-titanium dioxide, 1.4 parts of sodium alginate, 17 parts of ethylene glycol, 7.2 parts of water-soluble chitosan, 8.5 parts of platinum powder, 11 parts of molybdenum powder, 6.4 parts of magnesium powder, 5.5 parts of dibutyl phthalate, 6 parts of triphenyl phosphite, 19 parts of vegetable starch, 7 parts of gelatin, 26 parts of phenolic resin, 5.2 parts of sodium silicate, lecithin 3.6 parts, polyoxypropylene oxide ethylene glyceryl ether 5.5 parts and pike grass 7 parts. Vegetable starches include mixtures of sugarcane starch, potato starch, and sorghum starch.

[0041] The preparation method of the biomedical composite material, the specific steps are as follows:

[0042] Step 1, crush the spinel to 180 mesh, then mix the spinel powder, nano-titanium dioxide, platinum powder, molybdenum powder and magnesium powder in a planetary ball mill...

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PUM

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Abstract

The invention discloses a biomedical composite material and a preparation method thereof. The biomedical composite material is prepared from the following raw materials in parts by weight: 18 to 25 parts of spinel, 10 to 14 parts of nanometer titanium dioxide, 0.8 to 1.5 parts of sodium alginate, 12 to 18 parts of glycol, 5 to 8 parts of water-soluble chitosan, 4 to 10 parts of platinum powder, 8to 12 parts of molybdenum powder, 5 to 7 parts of magnesium powder, 4 to 6 parts of dibutyl phthalate, 2 to 7 parts of triphenyl phosphite, 15 to 20 parts of plant starch, 3 to 8 parts of gelatin, 21to 28 parts of phenolic resin, 3 to 6 parts of sodium silicate, 2 to 4 parts of phosphatidylcholine, 4 to 6 parts of polyoxypropylene oxyethylene glycol ether and 5 to 8 parts of pontederia cordata. Aprepared finished product has good degradation performance, and also has good antibacterial capability on escherichia coli and staphylococcus aureus.

Description

technical field [0001] The invention relates to the field of biomedical materials, in particular to a biomedical composite material. Background technique [0002] With the development of material science, biomedical materials have become an important part of today's biomedical engineering because of their special functions of repairing, replacing and regenerating body tissues. Biomedical materials refer to materials that can be medically implanted into organisms or combined with biological tissues, and can be used for diagnosis, treatment, and replacement of tissues and organs in biological organisms or to enhance their functions. Biomedical materials currently used in clinical practice mainly include biomedical metal materials, biomedical organic materials (mainly referring to organic polymer materials), biomedical inorganic non-metallic materials (mainly referring to bioceramics), bioglass and carbon materials, and biomedical materials. Composite materials, etc. [0003]...

Claims

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Application Information

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IPC IPC(8): C08L61/06C08L3/02C08L89/00C08L71/02C08L5/08C08L5/04C08K13/02C08K3/08C08K3/22C08K5/053C08K5/12C08K5/526C08K3/34
CPCC08K2003/2241C08K2201/011C08L61/06C08L2201/06C08L2203/02C08L2205/035C08L3/02C08L89/00C08L71/02C08L5/08C08L5/04C08K13/02C08K3/08C08K3/22C08K5/053C08K5/12C08K5/526C08K3/34
Inventor 刘佩佩
Owner HEFEI ZHIHUI LONGTUTENG INTPROP CO LTD
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