CN213526570U - Multifunctional stomatological department comprehensive treatment table pipeline disinfection system - Google Patents
Multifunctional stomatological department comprehensive treatment table pipeline disinfection system Download PDFInfo
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- CN213526570U CN213526570U CN202022009049.7U CN202022009049U CN213526570U CN 213526570 U CN213526570 U CN 213526570U CN 202022009049 U CN202022009049 U CN 202022009049U CN 213526570 U CN213526570 U CN 213526570U
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 114
- 238000011282 treatment Methods 0.000 title claims abstract description 34
- 229960001957 stomatological preparations Drugs 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 210000000214 mouth Anatomy 0.000 claims abstract description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 9
- 238000000108 ultra-filtration Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 3
- 238000011284 combination treatment Methods 0.000 claims 2
- 239000000645 desinfectant Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 238000007605 air drying Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The embodiment of the utility model discloses multi-functional department of stomatology comprehensive treatment platform pipeline disinfection system relates to oral cavity treatment equipment technical field, and its technical scheme includes water route disinfection system, gas circuit disinfection system and control water route disinfection system with the main control circuit board that gas circuit disinfection system intercommunication perhaps closed, water route disinfection system's wherein one end is the water route input for connect the water source, the other end is the water route output, is connected with oral cavity comprehensive treatment platform, gas circuit disinfection system's wherein one end is the gas circuit input, is used for connecting the air supply, and the other end is the gas circuit output, is connected with oral cavity comprehensive treatment platform. Can enough disinfect the water route and can also disinfect to the gas circuit, can also regard as a sterile pure water to make the machine to use simultaneously, the disinfection is efficient, with low costs, pollution-free, simple to operate simply.
Description
Technical Field
The embodiment of the utility model provides a relate to oral treatment equipment technical field, concretely relates to multi-functional department of stomatology comprehensive treatment platform pipeline disinfection system.
Background
The existing pipeline disinfection equipment with single property, such as a dental chair cleaning machine, utilizes disinfection liquid to clean and disinfect the pipeline, and also comprises a waterway disinfection instrument, and utilizes the thrown disinfection liquid to disinfect input water of the equipment.
The disinfection system of the dental chair can only disinfect the water channel, but can not disinfect the air channel, so that the air cross infection is easy.
The disinfection of the pipeline disinfection machine in the existing market has residual disinfectant, and certain corrosion is caused to the internal pipeline of the oral treatment table, the valve body rubber ring and the sealing diaphragm. Greatly shortens the service life of the equipment and has complex installation. The water path disinfection also has residue, which causes corrosion to the equipment pipeline, the valve body rubber ring and the sealing diaphragm and has certain influence on the patient.
The large-scale sterile water purification machines are arranged in a centralized way in hospitals, then pipelines are laid to each consulting room, and the pipelines are not disinfected, so that secondary pollution is caused, and the ideal effect is not achieved.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a multi-functional department of stomatology comprehensive treatment platform pipeline disinfection system can enough disinfect to the water route and can also disinfect to the gas circuit, can also regard as a sterile pure water to make the machine use simultaneously, and disinfection efficiency is high, with low costs, pollution-free, simple to operate is simple.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the embodiment of the utility model provides a multi-functional department of stomatology comprehensive treatment platform pipeline disinfection system, its technical scheme main points include water route disinfection system, gas circuit disinfection system and control water route disinfection system with the main control circuit board that gas circuit disinfection system intercommunication perhaps closed, water route disinfection system's wherein one end is water route input for connect the water source, the other end is water route output, is connected with oral cavity comprehensive treatment platform, gas circuit disinfection system's wherein one end is the gas circuit input, is used for connecting the air supply, and the other end is the gas circuit output, is connected with oral cavity comprehensive treatment platform.
Furthermore, the waterway disinfection system comprises an ultrafiltration membrane water purifier and an ultraviolet disinfector, wherein the ultrafiltration membrane water purifier and the ultraviolet disinfector are positioned between the waterway input end and the waterway output end, and the ultrafiltration membrane water purifier is positioned on one side of the ultraviolet disinfector, which is close to the waterway input end.
Further, a waterway ball valve switch is installed between the ultraviolet sterilizer and the waterway output end, the waterway ball valve switch is controlled by a solenoid valve I, and the solenoid valve I is electrically connected with the main control circuit board.
Furthermore, a one-way valve I is arranged between the waterway ball valve switch and the waterway output end.
Further, the gas circuit disinfection system comprises a water storage bottle between the gas circuit input end and the gas circuit output end and a second electromagnetic valve for controlling the switch of the water storage bottle, wherein the second electromagnetic valve is electrically connected with the main control circuit board, and the second electromagnetic valve is positioned on one side of the water storage bottle close to the gas circuit input end.
Furthermore, a small pressure reducing valve is installed on one side, close to the air path input end, of the second electromagnetic valve.
Further, a gas circuit ball valve switch is further installed at one end, deviating from the second electromagnetic valve, of the small pressure reducing valve, the gas circuit ball valve switch is connected with the main control circuit board through a three-control electromagnetic valve switch, and the third electromagnetic valve is electrically connected with the main control circuit board.
Further, the gas circuit disinfection system further comprises a branch, a branch point of the branch is the small pressure reducing valve and the position between the second electromagnetic valve, the branch is communicated with the gas circuit output end, and an ozone generator is installed on the branch.
Further, the main control circuit board is electrically connected with the ultraviolet sterilizer and the ozone generator respectively.
The embodiment of the utility model provides a have following advantage:
the function diversity can enough disinfect the pipeline and can also use as a sterile pure water manufacturing machine simultaneously, and no disinfection remains, long service life. The ultraviolet disinfection does not generate any secondary pollutant, and has the advantages of high efficiency, broad spectrum, low cost, long service life, large water quantity, no pollution and the like which are incomparable with other disinfection means.
The equipment only has four interfaces of water source input, air source input, water source output and air source output, and is convenient and simple to mount, low in power consumption and free of noise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a working principle diagram of a multifunctional dental department comprehensive treatment table pipeline disinfection system provided by the embodiment of the utility model.
In the figure: 1. a waterway disinfection system; 11. a waterway input end; 12. a waterway output end; 13. an ultrafiltration membrane water purifier; 14. an ultraviolet sterilizer; 15. a waterway ball valve switch; 16. a first electromagnetic valve; 17. a one-way valve I; 2. a gas path disinfection system; 21. an air path input end; 22. an air path output end; 23. a water storage bottle; 24. a second electromagnetic valve; 25. a small pressure relief valve; 26. a gas circuit ball valve switch; 27. a third electromagnetic valve; 28. an ozone generator; 3. the main control circuit board.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example one
The utility model provides a multi-functional department of stomatology comprehensive treatment platform pipeline disinfection system, as shown in figure 1, including water route disinfection system 1, air route disinfection system 2 and control water route disinfection system 1 and the main control circuit board 3 that air route disinfection system 2 communicates or closes, wherein one end of water route disinfection system 1 is water route input 11, be used for connecting the water source, the other end is water route output 12, be connected with the oral cavity comprehensive treatment platform, wherein one end of air route disinfection system 2 is air route input 21, be used for connecting the air supply, the other end is air route output 22, be connected with the oral cavity comprehensive treatment platform.
The waterway disinfection system 1 comprises an ultrafiltration membrane water purifier 13 and an ultraviolet disinfector 14 which are positioned between a waterway input end 11 and a waterway output end 12, wherein the ultrafiltration membrane water purifier 13 is positioned on one side of the ultraviolet disinfector 14 close to the waterway input end 11, and the ultraviolet disinfector 14 is electrically connected with the main control circuit board 3.
A waterway ball valve switch 15 is arranged between the ultraviolet sterilizer 14 and the waterway output end 12, the waterway ball valve switch 15 controls the switch through a first electromagnetic valve 16, and the first electromagnetic valve 16 is electrically connected with the main control circuit board 3.
When pure water is produced, a water source is filtered by the ultrafiltration membrane water purifier 13 to form direct drinking water, and then the direct drinking water flows into the ultraviolet sterilizer 14 to be sterilized and output to medical equipment.
Preferably, a one-way valve 17 is arranged between the waterway ball valve switch 15 and the waterway output end 12. The one-way valve I17 can ensure the flow direction of a water source, and water backflow in the medical equipment is avoided, so that the water source is polluted.
The air path disinfection system 2 comprises a water storage bottle 23 positioned between the air path input end 21 and the air path output end 22 and a second electromagnetic valve 24 for controlling the opening and closing of the water storage bottle 23, the second electromagnetic valve 24 is electrically connected with the main control circuit board 3, and the second electromagnetic valve 24 is positioned on one side of the water storage bottle 23 close to the air path input end 21.
And a small pressure reducing valve 25 is arranged on one side of the second electromagnetic valve 24 close to the air path input end 21. An air path ball valve switch 26 is further installed at one end, away from the second electromagnetic valve 24, of the small pressure reducing valve 25, the air path ball valve switch 26 controls the switch through a third electromagnetic valve 27, and the third electromagnetic valve 27 is electrically connected with the main control circuit board 3.
The working process is as follows: the water and gas pipeline is disinfected by disinfectant, and the water source input and the gas source input inside the disinfection machine are firstly closed to form a one-way closed pipeline. The high-speed motor, the low-speed motor and the dental scaler on the oral treatment table are respectively inserted into the appointed insertion positions of the disinfection disc, the strong and weak suction handles are also simultaneously inserted into the disinfection disc, a special disinfection solution water storage bottle 23 on the pipeline disinfection machine is additionally provided with a proper quantity of disinfection solution (the dosage of the disinfection solution is about 300 milliliters), the first electromagnetic valve 16 and the second electromagnetic valve 24 control the waterway ball valve switch 15 and the air passage ball valve switch 26 to be opened, at the moment, the waterway disinfection system 1 and the air passage disinfection system 2 are in a communicated state, and simultaneously, the pedal water-gas switch of the oral treatment table is stepped down to form a passage. The main control circuit board 3 controls the electromagnetic valve III 27 to automatically open to add about 1.5 kilograms of air pressure to the water storage bottle 23, disinfectant is pressed and flows into a water-air pipeline of the cavity treatment table to be disinfected, the disinfectant is discharged from the joint of the high-speed turbine motor and the low-speed turbine motor and flows into a circulating disinfection disc carried by the disinfection equipment, and then the disinfectant is sucked into a strong and weak suction pipeline through strong and weak suction to form a circulating disinfection system.
The main control board can control the disinfection time (which can be set in 1-99 seconds), when the disinfectant is discharged circularly, the high-pressure air can be input into the water-air pipeline every five seconds by the high-pressure air electromagnetic valve controlled by the main control board in the disinfection process, the disinfectant is input again after five seconds, and the pipeline is flushed, vibrated and disinfected by circulating for three times (the circulation times can be set).
The main control board automatically closes the electromagnetic valve responsible for cleaning the pipeline after the disinfectant is discharged, so as to clean the pipeline with water, and the cleaning time can be set to 1-99 seconds. After cleaning, the control system automatically opens the electromagnetic valve of the high-pressure air and inputs the high-pressure air to the just cleaned pipeline for air drying, and the air drying time can be set to 1-99 seconds. And finishing the pipeline disinfection process after air drying. The whole course is automatically controlled by a microcomputer chip.
Example two
A multifunctional dental department comprehensive treatment table pipeline disinfection system is shown in figure 1 and is different from the first embodiment in that an air path disinfection system 2 further comprises a branch, a branch point of the branch is a position between a small pressure reducing valve 25 and a second electromagnetic valve 24, the branch is communicated with an air path output end 22, an ozone generator 28 is installed on the branch, and the ozone generator 28 is electrically connected with a main control circuit board 3.
The working process is as follows:
1. ozone disinfection of water and gas pipeline
Firstly, a water source input switch and an air source input switch of the sterilizing machine are closed to form a one-way closed pipeline. The high-speed motor, the low-speed motor and the dental scaler on the oral treatment table are respectively inserted into the specified insertion positions of the disinfection plate, the strong and weak suction handles are also inserted into the disinfection plate at the same time, the ozone disinfection specified button on the disinfection machine is turned on, and the pedal water-gas switch of the oral treatment table is simultaneously stepped on to form a passage. The ozone generator 28 starts to work, simultaneously, a low-pressure air source is input into the ozone generator 28, takes away ozone and inputs into a water-gas pipeline of the oral treatment table, a circulating disinfection disk of disinfection equipment is discharged from the interface of the high-speed turbine motor and the low-speed turbine motor through a pipeline of the machine, and then strong and weak suction is carried out on the water-gas pipeline to form a circulating disinfection system. In the disinfection process, the main control board controls the high-pressure air electromagnetic valve to have the high-pressure air pipeline conveyed into the oral treatment table every five seconds, ozone enters again after five seconds, and the pipeline is alternately disinfected by circulating for three times. The corrosion of the pipeline, the sealing rubber ring and the diaphragm caused by the overlong ozone residual time is avoided, the disinfection time can be controlled by the control panel (which can be set in 1-99 seconds), and the pipeline disinfection process is finished. The whole course is automatically controlled by a microcomputer chip.
2. Disinfecting the water channel by using disinfectant, and disinfecting the gas channel by using ozone
Firstly, the water source input and the air source input switches of the sterilizing machine are closed to form a closed area. The high-speed motor, the low-speed motor and the dental scaler on the oral treatment table are respectively inserted into the appointed insertion positions of the disinfection disc, the strong and weak suction handles are also simultaneously inserted into the disinfection disc, a special disinfection solution water storage bottle 23 on the pipeline disinfection machine is additionally provided with a proper amount of disinfection solution (the dosage of the disinfection solution is about 300 milliliters), an ozone disinfection appointed button on the disinfection machine is opened, and a pedal water-gas switch of the oral treatment table is simultaneously stepped on to form a passage. The disinfection liquid of the water pipe is pressed into a waterway of the comprehensive treatment table of the oral department, passes through a circulating disinfection disk of the disinfection equipment which is discharged from the interface of the high-speed turbine motor and the low-speed turbine motor and then is sucked into a strong and weak suction pipeline by strong and weak suction to form a circulating disinfection system. The control panel can control the disinfection time (which can be set in 1-99 seconds), when the disinfectant is circularly discharged, the high-pressure air is input into the water-air pipeline every five seconds by the control panel controlling the high-pressure air electromagnetic valve in the disinfection process, the disinfectant is input again after five seconds, and the pipeline is flushed, vibrated and disinfected by circulating for three times (which can be set for many times). After the control panel automatically closes the disinfectant and discharges the disinfectant, the electromagnetic valve responsible for cleaning the pipeline is automatically opened for cleaning the pipeline, and the cleaning time can be set to be 1-99 seconds. After cleaning, the control system automatically opens the electromagnetic valve of the high-pressure air and inputs the high-pressure air to the just cleaned pipeline for air drying, and the air drying time can be set to 1-99 seconds. And finishing the pipeline disinfection process after air drying. The whole course is automatically controlled by a microcomputer chip.
This application makes aseptic pure water and the integration that the pipeline disinfection unites two into one, gives the oral care therapentic equipment pipeline disinfection earlier, then uses in giving patient's treatment with aseptic pure water, seamless butt joint, and the centre can not secondary bacterial infection, is superior to the secondary pollution of large-scale aseptic water purification machine long distance pipeline.
High-pressure gas and disinfectant are used for alternate disinfection in the disinfection process to form atomization, so that the inner wall of the pipeline can be effectively cleaned, and irregular corners of the valve body inside the treatment table can be effectively disinfected.
The integrative disinfection system of formula is disinfected earlier then washes, air-dries to have unique, has avoided antiseptic solution or ozone concentration too high to the corruption of department of stomatology treatment table internal pipeline, valve body sealing rubber ring, valve body diaphragm, influences the life of equipment.
The ultraviolet water disinfection is pollution-free, no disinfectant is added, the equipment is more stable, and the patient is safer.
The disinfection system has the advantages of high efficiency, broad spectrum, low cost, long service life, large water quantity, no pollution and the like.
The equipment only has four interfaces of water source input, air source input, water source output and air source output, and is convenient and simple to mount, low in power consumption and free of noise.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a multi-functional department of stomatology comprehensive treatment platform pipeline disinfection system which characterized in that: including water route disinfection system (1), gas circuit disinfection system (2) and control water route disinfection system (1) with main control circuit board (3) that gas circuit disinfection system (2) intercommunication perhaps closed, wherein one end of water route disinfection system (1) is water route input (11) for connect the water source, the other end is water route output (12), is connected with the oral cavity comprehensive treatment platform, wherein one end of gas circuit disinfection system (2) is gas circuit input (21) for connect the air supply, and the other end is gas circuit output (22), is connected with the oral cavity comprehensive treatment platform.
2. The multifunctional dental unit pipeline disinfection system of claim 1, wherein: waterway disinfection system (1) is including being located waterway input (11) with ultrafiltration membrane water purifier (13) and ultraviolet disinfector (14) between waterway output (12), ultrafiltration membrane water purifier (13) are located ultraviolet disinfector (14) are close to one side of waterway input (11).
3. The multifunctional dental unit pipeline disinfection system of claim 2, wherein: the ultraviolet sterilizer (14) and install water route ball valve switch (15) between water route output (12), water route ball valve switch (15) are through solenoid valve (16) control switch, solenoid valve (16) with main control circuit board (3) electricity is connected.
4. The multifunctional dental unit pipeline disinfection system of claim 3, wherein: and a one-way valve I (17) is arranged between the waterway ball valve switch (15) and the waterway output end (12).
5. The multifunctional dental unit pipeline disinfection system of claim 2, wherein: gas circuit disinfection system (2) including being located gas circuit input end (21) with water storage bottle (23) and control between gas circuit output end (22) two (24) of solenoid valve of water storage bottle (23) switch, two (24) of solenoid valve with main control circuit board (3) electricity is connected, two (24) of solenoid valve are located water storage bottle (23) are close to one side of gas circuit input end (21).
6. The multifunctional dental unit pipeline disinfection system of claim 5, wherein: and a small pressure reducing valve (25) is arranged on one side of the second electromagnetic valve (24) close to the air path input end (21).
7. The multifunctional dental unit pipeline disinfection system of claim 6, wherein: little relief pressure valve (25) deviate from gas circuit ball valve switch (26) are still installed to the one end of solenoid valve two (24), gas circuit ball valve switch (26) are through three (27) control switch of solenoid valve, three (27) of solenoid valve with main control circuit board (3) electricity is connected.
8. The multi-functional department of stomatology combination treatment table pipeline disinfection system of claim 7, wherein: the gas path disinfection system (2) further comprises a branch, a branch point of the branch is a small pressure reducing valve (25) and between the second electromagnetic valve (24), the branch is communicated with the gas path output end (22), and an ozone generator (28) is installed on the branch.
9. The multi-functional department of stomatology combination treatment table pipeline disinfection system of claim 8, wherein: the main control circuit board (3) is electrically connected with the ultraviolet sterilizer (14) and the ozone generator (28) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022009049.7U CN213526570U (en) | 2020-09-14 | 2020-09-14 | Multifunctional stomatological department comprehensive treatment table pipeline disinfection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022009049.7U CN213526570U (en) | 2020-09-14 | 2020-09-14 | Multifunctional stomatological department comprehensive treatment table pipeline disinfection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114306681A (en) * | 2021-12-25 | 2022-04-12 | 提技贸易(上海)有限公司 | Automatic pipeline disinfection system and method |
| CN114485137A (en) * | 2021-08-02 | 2022-05-13 | 广东丹特思医疗器材有限公司 | Oral cavity comprehensive treatment platform water pipe air-dry system |
| CN114632733A (en) * | 2022-03-11 | 2022-06-17 | 中南大学湘雅医院 | Insert formula dental chair negative pressure joint belt cleaning device soon |
-
2020
- 2020-09-14 CN CN202022009049.7U patent/CN213526570U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485137A (en) * | 2021-08-02 | 2022-05-13 | 广东丹特思医疗器材有限公司 | Oral cavity comprehensive treatment platform water pipe air-dry system |
| CN114306681A (en) * | 2021-12-25 | 2022-04-12 | 提技贸易(上海)有限公司 | Automatic pipeline disinfection system and method |
| CN114632733A (en) * | 2022-03-11 | 2022-06-17 | 中南大学湘雅医院 | Insert formula dental chair negative pressure joint belt cleaning device soon |
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