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Stem cell storage tube and nano-silver coating preparation method based on stem cell storage tube

A stem cell and storage tube technology, which is applied in the field of stem cell storage tube and nano-silver coating preparation based on stem cell storage tube, can solve the problem of no coating being formed, and achieves promotion of repair and regeneration, promotion of wound healing, and elimination of inflammatory response. Effect

Inactive Publication Date: 2021-05-11
西安美丽起点生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, there is no method for forming a coating on the surface of stem cell storage tubes using magnetron sputtering and chemical deposition methods

Method used

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  • Stem cell storage tube and nano-silver coating preparation method based on stem cell storage tube
  • Stem cell storage tube and nano-silver coating preparation method based on stem cell storage tube
  • Stem cell storage tube and nano-silver coating preparation method based on stem cell storage tube

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as Figure 1-3 As shown, a stem cell storage tube includes a tube body 1, and the side wall of the tube body 1 is provided with grooves.

[0035] The grooves include an inner groove 4 arranged on the inner wall of the pipe body 1 and an outer groove 3 arranged on the outer wall of the pipe body 1 .

[0036] The inner groove 4 includes horizontal grooves and vertical grooves.

[0037] The outer groove 3 includes horizontal grooves and vertical grooves.

[0038] The depth of the groove is 0.1-0.5mm.

[0039] A clamping portion 2 is provided at the opening of the tube body 1 .

Embodiment 2

[0041] On the basis of implementing 1, this embodiment provides a method for preparing a stem cell storage tube nano-silver coating, comprising the following steps:

[0042] S1. prepare the silver target according to the size of the stem cell storage tube;

[0043] S2. The silver target is arranged on both sides inside and outside the magnetron sputtering vacuum chamber, the silver target arranged in the magnetron sputtering vacuum is the inner target, and the silver target arranged outside the magnetron sputtering vacuum is Outer target: place the stem cell storage tube on the inner target, then close the vacuum chamber, and finally evacuate the vacuum chamber;

[0044] S3. Input an inert gas into the magnetron sputtering vacuum chamber in the above step S2;

[0045] S4. Using the magnetron sputtering method to form a nano-silver film on the surface of the stem cell storage tube through the internal target to obtain the primary product;

[0046] S5. Using the chemical preci...

Embodiment 3

[0048] On the basis of implementing 1, this embodiment provides a method for preparing a stem cell storage tube nano-silver coating, comprising the following steps:

[0049] S1. Clean the stem cell storage tube by high-frequency oscillation. Both inner and outer sides of the stem cell storage tube are provided with grooves, and the depth of the grooves is 0.5mm. Stem cell storage tubes are supported by high molecular polymers with anti-cell adsorption, such as polyethylene oxide or PEO-like polymers. Then prepare the silver target according to the size of the stem cell storage tube;

[0050] The size of the stem cell storage tube, because the inside and outside of the stem cell storage tube are provided with grooves, so the diameter of the stem cell storage tube is expressed as a, b, c, where a is the maximum outer diameter of the stem cell storage tube , b is the outer diameter of the stem cell storage tube without the groove, and c is the maximum inner diameter of the stor...

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Abstract

The invention belongs to the technical field of medical instruments, and discloses a stem cell storage tube and a nano-silver coating preparation method based on the stem cell storage tube, an outer coating is formed on the stem cell storage tube by using a magnetron sputtering method, and an inner coating of the stem cell storage tube is realized by using a chemical auxiliary precipitation growth method. According to the invention, magnetron sputtering and chemical sedimentation methods are used for forming coatings inside and outside the stem cell storage tube, so that the stem cell storage tube has excellent characteristics of nano-silver. The adopted nano-silver can efficiently kill hundreds of pathogenic microorganisms. Microcirculation of tissues around a wound is improved, wound healing is effectively promoted, repair and regeneration of damaged cells are promoted, and inflammatory response is eliminated. The growth of damaged tissue cells is effectively activated and promoted, the generation of scars is reduced, and the healing of wounds is accelerated. The nano-silver coating has super-strong permeability, belongs to a non-antibiotic bactericide, and overcomes many defects of antibiotic sterilization.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a stem cell storage tube and a method for preparing a nano-silver coating based on the stem cell storage tube. Background technique [0002] Nanometer (nm) is the smallest unit of measurement after the micron in the physics world, with the development of nanotechnology. A large number of nanomaterials have been found to have antiphysical phenomena. As well as the quality and effect of special functions, nano-silver is also after the extensive development of metal nano-materials. an emerging field of research. Silver in the nanometer state has produced a qualitative leap in the bactericidal ability used in biomedicine. A very small amount of nano-silver can produce a powerful bactericidal effect that was unimaginable in the past. Nano-silver can kill more than 650 kinds of bacteria in a few minutes. It can promote the growth of cells, the repair of damaged ...

Claims

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Application Information

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IPC IPC(8): A01N1/02C23C14/35C23C14/20C23C18/00
CPCA01N1/0268C23C14/205C23C14/35C23C18/00
Inventor 刘哲
Owner 西安美丽起点生物科技有限公司
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