CN212593203U - Plasma sterilization device for dentistry - Google Patents
Plasma sterilization device for dentistry Download PDFInfo
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- CN212593203U CN212593203U CN202020530234.8U CN202020530234U CN212593203U CN 212593203 U CN212593203 U CN 212593203U CN 202020530234 U CN202020530234 U CN 202020530234U CN 212593203 U CN212593203 U CN 212593203U
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Abstract
The utility model provides a plasma sterilization apparatus for dentistry, a plasma sterilization apparatus for dentistry includes plasma generating device, air cleaner, control system, water intaking valve, water tank, discharge valve, plasma storage water tank, switch, two-way air pump motor check valve, application port, plasma sterilization apparatus can produce plasma gas and plasma activation water simultaneously, filters the air through air cleaner, and after plasma generating device handles, become the plasmatization gas, can be according to the difference of application port, can carry out plasma air sterilization, plasma water respectively and wash sterilization and plasma air and plasma water and jointly use, and the selectivity carries out plasma water smoke sterilization, in the aspect of the plasma air sterilization, satisfies many-sided dentistry and handles the demand.
Description
Technical Field
The utility model relates to a plasma sterilization device for dentistry belongs to the medical instrument field.
Background
The hospital department of stomatology has dense personnel and large flow of people, and the patients carry pathogens and easily pollute the surfaces of medical instruments; the cross spread of the germs is easy. The sterilization of the surfaces of objects in hospitals is an important measure for ensuring the health of hospitals and avoiding pathogenic infection and germ transmission. In the process of oral diagnosis and treatment, saliva, blood and spray in the oral cavity splash to the periphery due to high-frequency vibration of an ultrasonic dental scaler and rotation of a high-speed turbine, the spray splashes to the surrounding diagnosis and treatment environment, aerosol particles formed by virus and water mist are diffused into the air, and the hidden danger of cross infection is formed. Hands of medical care personnel often directly contact blood, saliva and spray of patients in the treatment and nursing processes. Thus, the hands of oral appliances and medical personnel, and thus the respiratory process, may be contaminated by viruses and pathogenic microorganisms at any time.
At present, the method for improving the quality of the dental medical water mainly comprises the following steps: independent water supply systems, chemical treatment, filtration, sterile water delivery systems and the like, each link needs to be clean, but if corresponding conditions are met, the required maintenance cost and equipment price are very high.
Meanwhile, if the disinfectant is used on the surface of an object, most of the disinfectant has different irritability and corrosiveness to the skin, eyes and respiratory tract of a human body; some disinfectants have strong oxidation capability, so that metal corrosion, rubber aging and fabric fading can be caused; many disinfectants are unstable, and after being stored for a certain period of time, the effective components are decomposed, and the disinfection effect is reduced.
The plasma is an ionized gaseous substance composed of atoms from which part of electrons are deprived and positive and negative electrons generated by ionization of the atoms, and is called a fourth state in which the substance exists except for solid, liquid and gas.
At present, plasma machines usually sterilize corresponding equipment and pipelines by producing plasma water, and the working mode is single, so that the plasma water sterilization modes required by the plasma machines cannot be further flexibly adjusted according to requirements, such as modes of aerial fog, water washing, plasma gas sterilization and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plasma sterilization apparatus for dentistry, wherein, plasma sterilization apparatus for dentistry includes plasma generator, air cleaner, control system, water intaking valve, water tank, exhaust pipe, discharge valve, plasma storage water tank, two-way switch, two-way air pump motor and uses the port;
the control system is used for carrying out signal acquisition and mechanical control on the plasma sterilization device through a circuit;
the plasma generating device comprises a plasma power supply and a plasma generator, wherein the plasma power supply supplies power to the plasma generator;
one end of the plasma generator is connected with the air filter through a pipeline, and the air filter is connected with the application port through a pipeline;
the other end of the plasma generator is connected with the water tank through the exhaust pipeline;
the exhaust pipeline is provided with the bidirectional air pump motor and the bidirectional switch;
the water tank is respectively communicated with the water inlet valve, the exhaust valve and the plasma water storage tank;
the plasma water storage tank is communicated with the application port through a pipeline.
The sterilization device also comprises a power supply device, and the water tank is a place for mixing and activating plasma water, air and water.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, control system includes liquid level control device, temperature control device and plasma water quality sensor.
Preferably, the liquid level control device comprises a liquid level signal collector and a liquid level sensor, and is connected with the water tank, the bidirectional air pump motor and the plasma water storage tank; the temperature control device comprises a water temperature heater, a temperature sensor and a water temperature compensation speed regulating valve, and the water temperature heater and the temperature sensor are arranged in the water tank; the water temperature compensation speed regulating valve is arranged on the plasma water storage tank and used for controlling the water outlet speed; the plasma water storage tank is provided with the plasma water quality sensor.
Plasma gas generated in the plasma generator can directly enter the water storage tank to react to form plasma water, and can also enter the gas circuit of the dental chair through the bidirectional foot switch to form high-pressure plasma spray; after the water is subjected to plasma activation treatment, the water acts on oral cavities and dental instruments in a spraying mode through the dental drill hand piece atomization device, and the design enables gas generated by the plasma generator to flow in two directions, so that the water can be directly used for compressed air sterilization in a gas mode, and the water in the water storage tank can be subjected to plasma activation when the compressed air is not used.
The low-temperature plasma active water produced by the utility model has better sterilization and disinfection effects, can be applied to skin and instruments, and still has sterilization effect after forming water mist. The device can conveniently use the generated activated water for oral disinfection, avoid the reduction of the concentration of active particles caused by standing of the activated water, and realize higher sterilization effect.
The water flow speed is adjusted by adjusting the power of the water pump, so that the treatment efficiency can be improved; the air filtering device component can be detached and the filter element can be replaced, so that the installation is convenient, and the length and the shape can be designed according to the requirement; the activated water sprayed by the dental treatment interface and the gas discharged by the pressure release valve of the plasma water storage tank still have the function of purifying the indoor air, and the rich negative oxygen ions are beneficial to the human body.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, plasma water quality sensor is the ORP sensor.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, use the port for many general interfaces of dental instruments.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, bidirectional switch is two-way foot switch.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, exhaust pipe is porous exhaust pipe.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, the water tank with the plasma storage water tank is linked together through the check valve.
The utility model discloses further provide a plasma sterilization apparatus for dentistry, wherein, the plasma power supply with be equipped with emergency switch between the plasma generator.
To sum up, the utility model aims at providing a plasma activated water is used for dentistry treatment platform isolated plant of hospital department, realizes the high-efficient sterilization to facilities such as patient's oral treatment position, spun water smoke and aerosol, dental drill cell-phone, ultrasonic therapy head, dental chair workstation water route, and the plasma that diffuses the air simultaneously initiatively realizes the clean disinfection to indoor environment such as operating room, clean ward. The low-temperature plasma active disinfection generator developed for the manufacturing technology is adopted, and the low-temperature plasma active disinfection generator is small in size and high in effect. The energy can be converted into the process of generating oxygen ions by excitation. Therefore, the power consumption for treating a square meter of 60 square meters is only within 20W. Because the active air disinfection is realized by adopting high-energy oxygen ions, the surface of an object in an effective disinfection range can also have the surface activity of bacteria and viruses. The total number of surface colonies can be effectively reduced. The high-energy oxygen ions are rapidly diffused and distributed to the space in an active mode, and bacteria, viruses and various harmful gas molecules in the space in an effective range are inactivated and oxidized in an all-around mode, so that dead corners are avoided. The high-energy oxygen ions not only have the function of small toxicity and cleaning of indoor air and object surfaces, but also have positive treatment auxiliary effects on healing of skin wound surfaces, absorption of oxygen in lungs and increase of tolnaftate.
Has the advantages that:
the design creatively combines the traditional plasma gas sterilization and the activated water treatment, can effectively kill the fungus and virus in the dental water, and can effectively prevent the formation of a biological film in a water-gas pipeline of a mobile phone and a comprehensive treatment table and treat the Chinese medicine-derived cross infection in oral cavity treatment.
The design can realize the automatic circulation of opening and closing of the instrument so as to keep the necessary concentration of plasma air and plasma water for sterilization and disinfection and ensure the safety and effectiveness of dental water.
The design solves two inhibition ways of droplet and aerosol transmission of virus and bacteria, can sterilize plasma activated water before droplet formation, and can also capture free aerosol virus in air after formation.
The design creatively provides an integral solution for instantly sterilizing air and water channels of the department of stomatology after the new coronary pneumonia epidemic situation, and the integral solution has the advantages of small pollution to the whole department, less investment and quick sterilization effect. The patient treatment can be resumed without the need for strict isolation and protection by the stomatologist.
The plasma reactor of the original patent is optimized by the design, so that long-distance plasma gas conveying can be realized, and timely switching and control of activated water reaction can also be realized.
Drawings
Fig. 1 is a connection structure view of a plasma sterilization apparatus for dentistry.
1-plasma power supply 2-plasma generator 3-air filter 4-exhaust pipeline 5-water tank 6-porous exhaust pipeline 7-water inlet valve 8-quick exhaust valve 9-plasma water storage tank 10-dental treatment water channel and dental chair control device 11-liquid level signal collector 12-temperature controller 13-two-way pneumatic motor 14-two-way foot switch 15-one-way valve with spring 16-application port 17-temperature compensation speed regulating valve
Single-line arrows indicate gas flow direction, double-line arrows indicate liquid flow direction
Detailed Description
The following experimental examples are used to further illustrate the present invention but are not limited thereto. All the techniques realized based on the above-mentioned contents of the present invention all belong to the scope of the present invention.
Example 1
As shown in fig. 1, the device comprises a plasma power supply 1, a plasma generator 2, an air filter 3, an exhaust pipeline 4, a water tank 5, a porous exhaust pipeline 6, a water inlet valve 7, a quick exhaust valve 8, a plasma water storage tank 9, a dental treatment water circuit, a dental chair control device 10, a liquid level signal collector 11, a temperature controller 12, a bidirectional pneumatic motor 13, a bidirectional foot switch 14, a reed one-way valve 15, an application port 16, a temperature compensation speed regulating valve 17 and the like, wherein the application port 16 can complete dental treatment items: such as cutting with a dental drill handpiece, sterilization in ultrasonic tooth cleaning and root canal treatment, etc.;
wherein:
plasma power supply 1: for supplying power to the plasma generator 2 and providing high voltage pulses or high frequency power signals. The circuit on the circuit board consists of a transformer, a rectifying circuit, a timing circuit and a high-frequency generating circuit, wherein the output end of the transformer is connected with the rectifying circuit, the rectifying circuit is connected with the timing circuit, the output end of the timing circuit is respectively connected with the air pump and the high-frequency generating circuit, the high-frequency generating circuit is connected with the power supply two ends of the plasma generator, and an emergency switch can be arranged.
Plasma generator 2: the plasma generator discharges air to generate plasma, and comprises a gas source inlet, a gas adjusting button, a power supply interface, an insulating protective sleeve, a high-voltage electrode, a medium pipe and the like.
Bidirectional pneumatic motor 13: air enters the equipment through an air filter 3, and forms plasma gas through a plasma generator 2, the plasma gas enters water in a water tank 5 through a porous exhaust pipeline 6 to generate micro bubbles to form plasma activated water, and the plasma activated water is used for generating plasma by utilizing liquid phase discharge so as to activate the water to obtain activated water; can also be used for supplying high-concentration plasma gas to the gas pipeline of the dental treatment table by reverse pressurization. That is, the plasma gas with high concentration can be bidirectionally delivered by the bidirectional foot switch 14, the pipeline and other devices.
The signal acquisition module comprises liquid level signal acquisition, temperature acquisition and the like and is used for acquiring the temperature, the liquid level and the ORP numerical value of the activated water reactor (namely the water tank 5) and the plasma water storage tank 9 and providing the main control electric circuit for carrying out liquid level control on the rotating speed and the flow pressure of the pneumatic motor.
I.e. comprising the following modules
The temperature controller 12: the water temperatures for the water tank 5 and the plasma storage tank 9 are heated to convert the purified water into activated water, so that the reaction temperature is optimal, and meanwhile, the temperature compensation speed regulating valve 17 is used for regulating and prompting a doctor whether the water supply amount is suitable for gargling of a patient or working of dental chair equipment.
An air filter 3: is used for filtering air impurities in stomatology department and then entering a plasma generator or entering a gas circuit of a dental chair workbench. The plasma generator may also be used to generate sterilizing gas for disinfecting the patient's mouth via a bi-directional foot switch 14. The air filter can be removed, replaced and custom designed to the environment.
And temperature, liquid level and ORP sensors are arranged in the plasma water storage tank 9.
The water tank 5 is provided with a water inlet valve 7, a quick exhaust valve 8 and a liquid level and temperature sensor which are communicated with the plasma water storage tank 9 through a one-way valve 15 with a spring.
The main device connection is 1, and a liquid level signal collector 11 is respectively connected with a water tank 5, a plasma water storage tank 9, a bidirectional air pump motor 13 and the like;
2. the bidirectional air pump motor 13 is connected with the water tank 5, the exhaust pipeline 4, the plasma generator 2, the air filter 3 and the application port 16. Exhaust line 4 and porous exhaust line 6 are part of an exhaust line.
3. The temperature controller 12 is connected with the water tank 5, the temperature compensation speed regulating valve 17, the plasma water storage tank 9 and the like.
4. The water tank 5 is connected with a water inlet valve 7, a quick exhaust valve 8, a porous exhaust pipeline 6 and a plasma water storage tank 9, and is connected with the plasma water storage tank 9 through a one-way valve 15 with a spring.
5. A liquid level sensor, an ORP sensor and a water outlet are arranged in the plasma water storage tank 9. The water outlet is connected with the temperature compensation speed regulating valve 17, and the temperature compensation speed regulating valve 17 is communicated with the dental treatment water path and the dental chair control device 10 and further communicated with the application port 16 for use. The application port 16 comprises a dental drill handpiece interface, an ultrasonic scaler interface, a root canal therapy disinfection interface and the like.
Claims (9)
1. A plasma sterilization device for dentistry is characterized in that the plasma sterilization device for dentistry comprises a plasma generation device, an air filter, a control system, a water inlet valve, a water tank, an exhaust pipeline, an exhaust valve, a plasma water storage tank, a two-way switch, a two-way air pump motor and an application port;
the control system is used for carrying out signal acquisition and mechanical control on the plasma sterilization device through a circuit;
the plasma generating device comprises a plasma power supply and a plasma generator, wherein the plasma power supply supplies power to the plasma generator;
one end of the plasma generator is connected with the air filter through a pipeline, and the air filter is connected with the application port through a pipeline;
the other end of the plasma generator is connected with the water tank through the exhaust pipeline;
the exhaust pipeline is provided with the bidirectional air pump motor and the bidirectional switch;
the water tank is respectively communicated with the water inlet valve, the exhaust valve and the plasma water storage tank;
the plasma water storage tank is communicated with the application port through a pipeline.
2. Plasma sterilisation apparatus for dental purposes according to claim 1, characterised in that the control system comprises a liquid level control device, a temperature control device and a plasma water quality sensor.
3. The plasma sterilization apparatus for dentistry as claimed in claim 2, wherein the liquid level control device comprises a liquid level signal collector and a liquid level sensor, and the liquid level control device is connected with the water tank, the bidirectional air pump motor and the plasma water storage tank; the temperature control device comprises a water temperature heater, a temperature sensor and a water temperature compensation speed regulating valve, and the water temperature heater and the temperature sensor are arranged in the water tank; the water temperature compensation speed regulating valve is arranged on the plasma water storage tank and used for controlling the water outlet speed; the plasma water storage tank is provided with the plasma water quality sensor.
4. The plasma sterilization apparatus for dentistry as set forth in claim 2, wherein the plasma water quality sensor is an ORP sensor.
5. The plasma sterilization apparatus for dentistry as set forth in claim 1, wherein the application port is a multi-dental instrument universal interface.
6. The plasma sterilization apparatus for dentistry as set forth in claim 1, wherein said two-way switch is a two-way foot switch.
7. Plasma sterilisation apparatus according to claim 1, characterised in that said exhaust duct is a porous exhaust duct.
8. The plasma sterilization apparatus for dentistry as set forth in claim 1, wherein said water tank is communicated with said plasma water storage tank through a check valve.
9. The plasma sterilization apparatus for dentistry as set forth in claim 1, wherein an emergency switch is provided between the plasma power source and the plasma generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530234.8U CN212593203U (en) | 2020-04-13 | 2020-04-13 | Plasma sterilization device for dentistry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530234.8U CN212593203U (en) | 2020-04-13 | 2020-04-13 | Plasma sterilization device for dentistry |
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| Publication Number | Publication Date |
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| CN212593203U true CN212593203U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020530234.8U Active CN212593203U (en) | 2020-04-13 | 2020-04-13 | Plasma sterilization device for dentistry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469424A (en) * | 2022-01-25 | 2022-05-13 | 首都医科大学附属北京朝阳医院 | Degassing unit is used in oral treatment |
-
2020
- 2020-04-13 CN CN202020530234.8U patent/CN212593203U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469424A (en) * | 2022-01-25 | 2022-05-13 | 首都医科大学附属北京朝阳医院 | Degassing unit is used in oral treatment |
| CN114469424B (en) * | 2022-01-25 | 2023-11-17 | 首都医科大学附属北京朝阳医院 | Disinfection device for oral treatment |
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Address after: 102629 no.1f10, block a, building 1, 25 Yongxing Road, Daxing biomedical industrial base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee after: Beijing Guanghui Tiancheng Biotechnology Co.,Ltd. Address before: 102629 no.1f10, block a, building 1, 25 Yongxing Road, Daxing biomedical industrial base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee before: BEIJING GUANGHUI TIANCHENG MEDICAL TECHNOLOGY Co.,Ltd. |