CN211689246U - System for be used for clean pure titanium surface of titanium dioxide photocatalysis - Google Patents
System for be used for clean pure titanium surface of titanium dioxide photocatalysis Download PDFInfo
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- CN211689246U CN211689246U CN202020160889.0U CN202020160889U CN211689246U CN 211689246 U CN211689246 U CN 211689246U CN 202020160889 U CN202020160889 U CN 202020160889U CN 211689246 U CN211689246 U CN 211689246U
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- titanium dioxide
- deionized water
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 69
- 239000010936 titanium Substances 0.000 title claims abstract description 69
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 19
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 16
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 10
- 230000001678 irradiating effect Effects 0.000 claims abstract description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 6
- 239000002105 nanoparticle Substances 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 5
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 12
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 11
- 230000002572 peristaltic effect Effects 0.000 claims description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 238000004506 ultrasonic cleaning Methods 0.000 abstract description 7
- 238000010883 osseointegration Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 210000000214 mouth Anatomy 0.000 abstract description 3
- 230000036647 reaction Effects 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 10
- 210000004027 cell Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 230000035605 chemotaxis Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000963 osteoblast Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model relates to a system for titanium dioxide photocatalysis cleaning pure titanium surface, including drive division, irradiation portion, washing portion and stirring portion, irradiation portion is located stirring portion top, and drive division, stirring portion constitute a closed return circuit, and wherein, the drive division is used for making the deionized water solution that has nanometer titanium dioxide granule flow and circulate to reach the adsorption balance to nanometer titanium dioxide granule; the irradiation part is used for irradiating the titanium sheet with the balanced adsorption in a dark environment by ultraviolet light; the cleaning part is used for carrying out ultrasonic cleaning on the titanium sheet irradiated by the ultraviolet light; the stirring part is used for stirring the deionized water solution mixed with the carbon dioxide nanoparticles and the titanium sheets. The utility model provides a device can more effectually get rid of pure titanium surface pollutant, promotes the early cell reaction in pure titanium surface to can promote the establishment of early osseointegration, improve the success rate of the clinical titanium planting body in oral cavity, thereby but the wide application is in medical auxiliary equipment technical field.
Description
Technical Field
The utility model relates to a medical auxiliary assembly technical field specifically indicates a system that is used for clean pure titanium surface of titanium dioxide photocatalysis.
Background
Numerous studies have demonstrated that the surface cleanliness of titanium implants greatly affects their bioactivity and early osteointegration. However, the titanium dioxide film layer on the surface of pure titanium absorbs inorganic ions and organic pollutants in the air within 1 minute or even a few seconds, so that the surface chemical composition is changed, and the pollutants reduce the bioactivity of the surface and are not beneficial to the early formation of osseointegration. In addition, the pure titanium surface has the phenomenon of 'aging', namely the surface bioactivity is reduced along with the prolonging of time, the bone guiding effect is reduced, and the chemotaxis of osteoblasts to the surface and the proliferation and differentiation functions at the later stage are inhibited. However, the packaging of most titanium implants in clinical practice makes the implant inevitably exposed to air, causing surface contamination and aging.
The current methods for cleaning pure titanium mainly comprise mechanical physical cleaning and chemical cleaning, but the methods can cause damage to surface appearance and surface chemical groups. In recent years, a great deal of research proves that organic adsorption pollutants such as part of hydrocarbons adsorbed on the surface can be effectively removed by irradiating the pure titanium surface with ultraviolet rays. However, the photocatalysis effect is still insufficient only by the photocatalysis effect generated by the nano-thickness titanium dioxide film layer formed by spontaneous oxidation of the surface of pure titanium in the air, and a great promotion space is provided.
Therefore, a more effective surface cleaning system for removing contaminants from a pure titanium surface is in need of research.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a technical scheme does:
a system for cleaning the surface of pure titanium by titanium dioxide photocatalysis comprises a driving part, an irradiation part, a cleaning part and a stirring part, wherein the irradiation part is positioned above the stirring part, the driving part and the stirring part form a closed loop, wherein,
the driving part is used for enabling the deionized water solution with the nano titanium dioxide particles to flow and circulate so as to achieve adsorption balance of the nano titanium dioxide particles;
the irradiation part is used for irradiating the titanium sheet with balanced adsorption in a dark environment by ultraviolet light;
the cleaning part is used for ultrasonically cleaning the titanium sheet irradiated by the ultraviolet light;
the stirring part is used for stirring the deionized water solution mixed with the carbon dioxide nanoparticles and the titanium sheets.
Further, the driving part is a peristaltic pump, the irradiation part is an ultraviolet lamp, the cleaning part is an ultrasonic cleaning device, and the stirring part is a magnetic stirrer.
The container is used for containing deionized water solution and is positioned on the stirring part, and the deionized water solution with the nano titanium dioxide particles is stirred.
Further, the number of the magnetic stirrers is two, and the two magnetic stirrers are connected in series in a closed loop; the number of the containers is two, and the containers are respectively placed on the magnetic stirrer.
After the system above adopting, the utility model has the advantages of as follows:
the utility model provides a system can more effectually get rid of pure titanium surface pollutant, promotes the early cell reaction in pure titanium surface to can promote the establishment of early osseointegration, improve the success rate of the clinical titanium planting body in oral cavity.
Drawings
FIG. 1 is a state diagram of the static contact angle of the three groups of titanium sheets according to the embodiment of the present invention;
FIG. 2 is a graph showing the change of the surface X-ray photoelectron spectroscopy spectrum and the binding energy peak of the main element C1s of three groups of titanium sheets in the embodiment of the present invention;
FIG. 3 shows the cell morphology 2h after the three groups of titanium sheet surface cells are inoculated in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses a titanium dioxide photocatalysis is washd pure titanium surface, can effectually get rid of pure titanium surface absorbent pollutant in the air, eliminates these factors that influence early osseointegration, promotes the early cellular reaction in pure titanium surface, promotes the establishment of early osseointegration, reaches and shortens clinical treatment time to the success rate of planting the tooth has been improved.
When cleaning, the method comprises the following steps:
s1, weighing 90-100mg of nano titanium dioxide particles, dissolving in 500ml of deionized water solution of 450-;
s2, putting the deionized water solution obtained in the step S1 into a container, putting a titanium sheet with a certain size into the container, and immersing the titanium sheet into the deionized water solution completely;
s3, performing flow circulation on the deionized water solution immersed with the titanium sheet in the S2 for a certain time;
s4, placing the container of the circulated deionized water solution obtained in the step S3 in a dark environment, and irradiating the container by ultraviolet light;
s5, taking out the titanium sheet, cleaning, and then carrying out ultrasonic cleaning three times to remove titanium dioxide particles on the surface;
s6, placing the titanium sheet obtained in the step S5 after ultrasonic cleaning into a sealed bottle filled with deionized water, disinfecting for 12 hours by gamma rays, and detecting for later use.
Wherein:
in S3, the flow cycle time was 30 min.
In S4, the ultraviolet light irradiation time was 2 hours.
In S5, the time for each ultrasonic cleaning was 15 min.
In S6, the gamma ray was Co60, and the irradiation dose was 25.0 kGy.
The utility model discloses at the in-process of preparation titanium piece, can make into 25cm x 25 cm's specification, be convenient for carry out the experiment operation, perhaps all can realize by other sizes.
When the titanium sheet is cleaned by the above method, the following system is used.
With reference to fig. 4, a system for cleaning the surface of pure titanium by titanium dioxide photocatalysis comprises a driving part 1, an irradiation part 2, a cleaning part and a stirring part 3, wherein the irradiation part 2 is positioned above the stirring part 3, the driving part 1 and the stirring part 3 form a closed loop, wherein,
the driving part 1 is used for enabling the deionized water solution with the nano titanium dioxide particles to flow and circulate so as to achieve adsorption balance of the nano titanium dioxide particles;
the irradiation part 2 is used for irradiating the titanium sheet 4 with ultraviolet light after the adsorption balance in a dark environment;
the cleaning part is used for carrying out ultrasonic cleaning on the titanium sheet 4 irradiated by the ultraviolet light;
the stirring section 3 is used for stirring the deionized water solution in which the carbon dioxide nanoparticles and the titanium flakes are mixed.
The drive part 1 is a peristaltic pump, the irradiation part 2 is an ultraviolet lamp, the cleaning part is ultrasonic cleaning, and the stirring part 3 is a magnetic stirrer.
The system also comprises a water container 5, wherein the container 5 is used for containing the deionized water solution and is positioned on the stirring part to stir the deionized water solution with the nano titanium dioxide particles.
The number of the magnetic stirrers is two, and the two magnetic stirrers are connected in series in a closed loop; the containers 5 are provided in two and are respectively provided on the magnetic stirrer.
In the specific implementation process, the peristaltic pump is connected in series with the containers 5 containing the deionized water solution, the magnetic stirrers are connected in series, the hoses on the peristaltic pump are connected in the two containers 5 respectively, the titanium sheet 4 is suspended in the deionized water solution, and at least a part of the deionized water solution is in contact with the titanium sheet, so that a part of nano titanium dioxide particles are adhered to the titanium sheet 4 in the process of starting the magnetic stirrers for stirring. When the peristaltic pump is started to circulate, the deionized water solution circularly flows under the action of the peristaltic pump until the adsorption is balanced, and then is irradiated by the ultraviolet lamp, wherein the ultraviolet lamp is arranged above the opening of the container 5, and the emitted light is downward. In the specific implementation process, the container 5 is fixed above the container.
The following is to verify the use effect of the method and the device provided by the utility model.
Three groups of titanium sheets are respectively manufactured, and a comparison experiment is carried out:
group A: carrying out sand blasting and acid etching treatment on a pure titanium Surface (SLA);
group B: carrying out ultraviolet irradiation for 2h to treat the sand blasting acid etching pure titanium surface (UV-SLA);
group C: titanium dioxide nano-particle photocatalysis cleaning sand blasting acid etching pure titanium surface (TiO)2-SLA)。
(1) Surface hydrophilicity detection
The static contact angle of 1 μ l of deionized water drop on each set of sample surfaces was measured using a surface contact angle analyzer to obtain the results shown in fig. 1.
Wherein: ultraviolet single irradiation group (SLA) and titanium dioxide photocatalytic cleaning group (TiO)2SLA) can enhance the hydrophilicity of the pure titanium surface, and the contact angles are all 0 degrees, so that the pure titanium surface is a super-hydrophilic surface.
(2) Analysis of chemical state of surface element
And (3) analyzing the surface element chemical state of the surfaces of all groups of titanium sheets by adopting an X-ray photoelectron spectrometer in an ultra-vacuum environment to obtain a result shown in figure 2.
Wherein, C1s in the C element mainly corresponds to C-H and C-C element at 284.8eV of the binding energy peak, mainly comes from the pollution of hydrocarbons in the air, and the surface pollutants of the TiO2-SLA group titanium sheets are least.
(3) Cell morphology observed by scanning electron microscope
Inoculating cells on three groups of titanium sheets according to a certain density, culturing in a constant-temperature incubator at 37 ℃ and 5% CO2 saturation humidity, taking out the titanium sheets at the 2 nd hour, placing the titanium sheets on a new culture plate, washing with PBS, fixing with 2.5% glutaraldehyde for 2 hours, washing with PBS for 6 times (20 min/time), performing gradient dehydration with 30%, 50%, 70%, 90% alcohol and absolute ethanol at room temperature, replacing 3 times (10 min/time) with tert-butyl alcohol, drying at a CO2 critical point for 3 hours, spraying gold on the surfaces of the titanium sheets by adopting a vacuum gold film evaporation technology, and observing by SEM (scanning electron microscope) to obtain the result shown in figure 3.
As can be seen from the results shown in FIG. 3, the surface of the titanium sheet obtained by the device provided by the present invention and the above method is more favorable for the adhesion and stretching of the cells.
Therefore, the utility model discloses can more effectively get rid of pure titanium surface pollutant, can promote the early cell reaction in pure titanium surface to can promote the establishment of early osseointegration, improve the success rate of the clinical titanium planting body in oral cavity.
Claims (5)
1. A system for cleaning the surface of pure titanium by titanium dioxide photocatalysis is characterized by comprising a driving part, an irradiation part, a cleaning part and a stirring part, wherein the irradiation part is positioned above the stirring part, the driving part and the stirring part form a closed loop, wherein,
the driving part is used for enabling the deionized water solution with the nano titanium dioxide particles to flow and circulate so as to achieve adsorption balance of the nano titanium dioxide particles;
the irradiation part is used for irradiating the titanium sheet with balanced adsorption in a dark environment by ultraviolet light;
the cleaning part is used for ultrasonically cleaning the titanium sheet irradiated by the ultraviolet light;
the stirring part is used for stirring the deionized water solution mixed with the carbon dioxide nanoparticles and the titanium sheets.
2. The system for photocatalytic cleaning of pure titanium surface by titanium dioxide as recited in claim 1, wherein said driving part is set as a peristaltic pump, said irradiating part is set as an ultraviolet lamp, said washing part is set as an ultrasonic washing device, and said stirring part is set as a magnetic stirrer.
3. The system for photocatalytic cleaning of pure titanium surface by titanium dioxide according to claim 2, characterized in that said magnetic stirrers are provided in two and connected in series in a closed loop.
4. The system for photocatalytic cleaning of pure titanium surface by titanium dioxide as recited in claim 1, further comprising a container with an opening for holding the deionized water solution and positioned on the stirring section for stirring the deionized water solution with nano titanium dioxide particles.
5. The system for photocatalytic cleaning of pure titanium surface by titanium dioxide according to claim 4, wherein said containers are provided in two and placed on the stirring section, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020160889.0U CN211689246U (en) | 2020-02-11 | 2020-02-11 | System for be used for clean pure titanium surface of titanium dioxide photocatalysis |
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| CN202020160889.0U CN211689246U (en) | 2020-02-11 | 2020-02-11 | System for be used for clean pure titanium surface of titanium dioxide photocatalysis |
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| CN211689246U true CN211689246U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172549A (en) * | 2020-02-11 | 2020-05-19 | 高岩 | Method and system for cleaning pure titanium surface through titanium dioxide photocatalysis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172549A (en) * | 2020-02-11 | 2020-05-19 | 高岩 | Method and system for cleaning pure titanium surface through titanium dioxide photocatalysis |
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Effective date of registration: 20201111 Address after: Stomatological Hospital of Southern Medical University, 366 Jiangnan Avenue South, Haizhu District, Guangzhou City, Guangdong Province Patentee after: Stomatological Hospital of Southern Medical University Address before: 510220 planting center, 7th floor, stomatological hospital, Southern Medical University, No. 366, South Jiangnan Avenue, Haizhu District, Guangzhou City, Guangdong Province Patentee before: Gao Yan |