CN113143517A - Integrative scaling equipment of dentistry sandblast supersound - Google Patents
Integrative scaling equipment of dentistry sandblast supersound Download PDFInfo
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- CN113143517A CN113143517A CN202110478466.2A CN202110478466A CN113143517A CN 113143517 A CN113143517 A CN 113143517A CN 202110478466 A CN202110478466 A CN 202110478466A CN 113143517 A CN113143517 A CN 113143517A
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- handle
- main control
- circuit board
- control circuit
- blasting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
- A61C3/025—Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth
Abstract
The invention relates to a dental sandblasting and ultrasonic integrated scaling device which comprises a water supply bottle, a sandblasting bottle, a main control circuit board, a shell, a water pump, a sandblasting handle and a piezoelectric ceramic transducer handle, wherein the water supply bottle and the sandblasting bottle are inserted on the shell; the water inlet of the water pump is communicated with the water supply bottle through a pipeline, and the water outlet of the water pump is respectively communicated with the sand blasting handle and the piezoelectric ceramic transducer handle through pipelines; the sand blasting bottle is communicated with the sand blasting handle through a pipeline; the water pump and the handle of the piezoelectric ceramic transducer are respectively and electrically connected with the main control circuit board. The invention has the beneficial effects that: two unifications of two major functions of sandblast, supersound will help dentist to accomplish more comprehensively on the oral cavity part gum, under the gum, the clean treatment of calculus dental plaque bacterial plaque, whole small, during the switching function, only need correspond the function key through touch display interface and can trigger main control circuit board and accomplish convenient operation.
Description
Technical Field
The invention relates to the field of dental medical instruments, in particular to dental sand blasting and ultrasonic integrated scaling equipment.
Background
The more commonly used equipment in dental treatment includes sand blasting machine and supersound scaler, and sand blasting machine and supersound scaler are two sets of equipment that independently use usually, and when two sets of equipment need use simultaneously, the space that occupies is great, and is very inconvenient during the switching.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a dental sandblasting and ultrasonic integrated scaling device, so as to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a dental sandblasting and ultrasonic integrated scaling device comprises a water supply bottle, a sandblasting bottle, a main control circuit board, a shell, a water pump, a sandblasting handle, a piezoelectric ceramic transducer handle and a touch display screen, wherein the water supply bottle and the sandblasting bottle are inserted on the shell; the water inlet of the water pump is communicated with the water supply bottle through a pipeline, and the water outlet of the water pump is respectively communicated with the sand blasting handle and a water pipe in the tail wire of the piezoelectric ceramic transducer handle through pipelines; the air outlet of the sand blasting bottle is communicated with an air pipe in the sand blasting handle through a pipeline; the touch display screen, the water pump and the piezoelectric ceramic transducer handle are respectively and electrically connected with the main control circuit board.
The invention has the beneficial effects that: two unifications of two major functions of sandblast, supersound will help dentist to accomplish more comprehensively on the oral cavity part gum, under the gum, the clean treatment of calculus dental plaque bacterial plaque, whole small, during the switching function, only need correspond the function key through touch display interface and can trigger main control circuit board and accomplish convenient operation.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, still include the air-vent valve, the gas outlet of air-vent valve passes through the pipeline and communicates with the air inlet of sandblast bottle, and the air-vent valve is connected with the main control circuit board electricity.
Adopt above-mentioned further beneficial effect to do: can adjust atmospheric pressure through the air-vent valve, satisfy different user demands.
The air outlet of the filter is communicated with the air inlet of the air valve group, and the air outlet of the air valve group is communicated with the air inlet of the pressure regulating valve.
Adopt above-mentioned further beneficial effect to do: the filter can filter the compressed gas who gets into the sandblast handle, avoids the water and the oil that exist to make the sandblast powder wet the caking in the compressed air of access.
And the heating rod and the temperature sensor in the heating water tank are respectively electrically connected with the main control circuit board.
Adopt above-mentioned further beneficial effect to do: the heating rod is used for heating water entering the heating water tank so that the water reaches a preset temperature range and discomfort of a patient in treatment, particularly a person sensitive to teeth, is reduced, the temperature sensor is used for measuring the temperature of the heated water and transmitting the measured temperature information to the main control circuit board, the main control circuit board judges whether the water temperature reaches the preset range, and if not, a control instruction is sent to regulate and control the heating rod.
Furthermore, the multifunctional sand blasting machine further comprises a first handle support and a second handle support, wherein the first handle support and the second handle support are respectively arranged on two sides of the shell, and the sand blasting handle and the piezoelectric ceramic transducer handle are respectively inserted into the first handle support and the second handle support.
The sand blasting device further comprises a first magnetic induction identification unit, a second magnetic induction identification unit and a magnet, wherein the magnet is embedded in the sand blasting handle and the piezoelectric ceramic transducer handle; the first magnetic induction identification unit and the second magnetic induction identification unit are respectively arranged in the first handle bracket and the second handle bracket; the first magnetic induction identification unit and the second magnetic induction identification unit are respectively electrically connected with the main control circuit board.
The beneficial effects of the two steps are as follows: when the sand blasting handle embedded with the magnet is inserted on the first handle support, the first magnetic induction identification unit senses that the magnetic field close to the position becomes strong, high level signals are output and transmitted to the detection port corresponding to the main control circuit board, the main control circuit board judges that the sand blasting handle is inserted, when the sand blasting handle is lifted and taken out, the first magnetic induction identification unit in the first handle support senses that the magnetic field becomes weak, low level signals are output and transmitted to the detection port corresponding to the main control circuit board, and the main control circuit board judges that the sand blasting handle is lifted, so that the main control circuit board automatically switches to a working mode corresponding to the sand blasting handle;
similarly, when the piezoelectric ceramic transducer handle embedded with the magnet is inserted into the second handle support, the second magnetic induction recognition unit senses that the magnetic field at the close position becomes stronger, outputs a high level signal and transmits the high level signal to the detection port corresponding to the main control circuit board, the main control circuit board judges that the piezoelectric ceramic transducer handle is inserted, when the piezoelectric ceramic transducer handle is lifted and taken out, the second magnetic induction recognition unit in the second handle support senses that the magnetic field becomes weaker, outputs a low level signal and transmits the low level signal to the detection port corresponding to the main control circuit board, and the main control circuit board judges that the piezoelectric ceramic transducer handle is lifted, so that the main control circuit board automatically switches to the working mode corresponding to the piezoelectric ceramic transducer handle;
the structure is simple and effective, the magnetic induction detection is sensitive, and the operation error is avoided.
Further, the first magnetic induction identification unit and the second magnetic induction identification unit are both Hall sensors.
Further, still include switching power supply, switching power supply is connected with the main control circuit board electricity.
Adopt above-mentioned further beneficial effect to do: all the devices in the scaling device can be powered.
Furthermore, the touch display screen comprises a display panel and a touch glass panel, the display panel is embedded in the front side of the shell, and the display panel is electrically connected with the main control circuit board; the touch glass panel covers the front of the display panel.
Adopt above-mentioned further beneficial effect to do: the key and the display are integrated, so that the operation is more convenient and faster.
Furthermore, the intelligent control device also comprises a pedal interface socket, and the pedal interface socket is electrically connected with the main control circuit board.
Adopt above-mentioned further beneficial effect to do: the pedal interface socket is used for being externally connected with a pedal switch, and can meet the habit of a dentist controlling through pedaling.
Drawings
FIG. 1 is a structural diagram of the dental blasting ultrasonic integrated scaling device of the present invention;
fig. 2 is an exploded view of the dental blasting ultrasonic integrated scaling device of the invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 and 2, the dental sandblasting ultrasonic integrated scaling device comprises a water supply bottle 1, a sandblasting bottle 2, a main control circuit board 3, a shell 4, a water pump 5, a sandblasting handle 7 and a piezoelectric ceramic transducer handle 8, wherein the water supply bottle 1 is inserted into the shell 4, and the sandblasting bottle 2 is inserted into the shell 4;
the water pump 5 is arranged in the shell 4, a water inlet of the water pump 5 is communicated with a water outlet of the water supply bottle 1 through a pipeline, a water outlet of the water pump 5 is communicated with a water pipe in a tail line of the sand blasting handle 7 through a pipeline, and a water outlet of the water pump 5 is also communicated with a water pipe in a tail line of the piezoelectric ceramic transducer handle 8 through a pipeline, namely, the water in the water supply bottle 1 can be conveyed to the water pipe in the tail line of the sand blasting handle 7 through the water pump 5, and the water in the water supply bottle 1 can also be conveyed to the water pipe in the tail line of the piezoelectric ceramic transducer handle 8;
the air outlet of the sand blasting bottle 2 is communicated with an air pipe in the sand blasting handle 7 through a pipeline, compressed air is conveyed to the sand blasting bottle 2 by compressed air supply equipment, sand blasting powder in the sand blasting bottle 2 is blown into the pipeline by the compressed air entering the sand blasting bottle 2, and finally the sand blasting powder enters the air pipe in the sand blasting handle 7 through the pipeline;
the water pump 5 is electrically connected with the main control circuit board 3, and the piezoelectric ceramic transducer handle 8 is electrically connected with the main control circuit board 3, namely the water pump 5 and the piezoelectric ceramic transducer handle 8 can be controlled through the main control circuit board 3.
Example 2
As shown in fig. 1 and fig. 2, the present embodiment is a further improvement on embodiment 1, and specifically includes the following steps:
the dental sand blasting ultrasonic integrated scaling device further comprises a pressure regulating valve 9, an air outlet of the pressure regulating valve 9 is communicated with an air inlet of the sand blasting bottle 2 through a pipeline, the pressure regulating valve 9 is electrically connected with the main control circuit board 3, and air pressure can be regulated through the pressure regulating valve 9.
Example 3
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on embodiment 2, and specifically includes the following steps:
the integrative clean treatment equipment of dentistry sandblast supersound still includes filter 10 and gas valve group 6, the gas outlet of filter 10 passes through the tube coupling with the air inlet of gas valve group 6, the gas outlet of gas valve group 6 passes through the tube coupling with the air-vent valve 9 air inlet, the gas outlet of air-vent valve 9 passes through the air inlet intercommunication of pipeline and sandblast bottle 2, the gas outlet of sandblast bottle 2 passes through pipeline and 7 interior gas pipes of sandblast handle intercommunication, compressed gas supply apparatus carries compressed gas to filter 10, filter 10 can filter the compressed gas that gets into in sandblast handle 7, filter 10 sets up in the side of shell 4 usually.
Example 4
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on embodiment 3, and specifically includes the following steps:
the dental sand blasting ultrasonic integrated scaling equipment also comprises a heating water tank 11, a water outlet of a water supply bottle 1 is communicated with a water inlet of a water pump 5 through a pipeline, a water outlet of the water pump 5 is communicated with a water inlet of the heating water tank 11, a water outlet of the heating water tank 11 is communicated with a water pipe in a tail wire of a sand blasting handle 7 through a pipeline, a water outlet of the heating water tank 11 is communicated with a water pipe in a tail wire of a piezoelectric ceramic transducer handle 8 through a pipeline, a heating rod in the heating water tank 11 is electrically connected with a main control circuit board 3, a temperature sensor in the heating water tank 11 is electrically connected with the main control circuit board 3, the heating rod is used for heating water entering the heating water tank 11 so as to enable the water to reach a preset temperature range, discomfort of a patient during treatment, particularly a person sensitive to teeth is reduced, the temperature sensor is used for measuring the temperature of the heated water and transmitting the measured temperature information to the main control circuit board 3, the main control circuit board 3 judges whether the water temperature reaches a preset range, and if not, a control instruction is sent to regulate and control the heating rod.
Example 5
As shown in fig. 1 and fig. 2, the present embodiment is a further improvement on embodiment 1, and specifically includes the following steps:
the integrated cleaning and treating device for dental sandblasting and ultrasound also comprises a first handle support 12 and a second handle support 13, wherein the first handle support 12 and the second handle support 13 are respectively arranged at two sides of the shell 4, and the sandblasting handle 7 and the piezoelectric ceramic transducer handle 8 are respectively inserted into the first handle support 12 and the second handle support 13.
In addition, the dental sandblasting and ultrasonic integrated scaling equipment further comprises a first magnetic induction identification unit 14, a second magnetic induction identification unit 15 and a magnet 16, wherein the magnet 16 is embedded on the sandblasting handle 7, and the magnet 16 is also embedded on the piezoelectric ceramic transducer handle 8; the first magnetic induction identification unit 14 is arranged in the first handle support 12, the second magnetic induction identification unit 15 is arranged in the second handle support 13, the first magnetic induction identification unit 14 is electrically connected with the main control circuit board 3, and the second magnetic induction identification unit 15 is electrically connected with the main control circuit board 3;
when the sand blasting handle 7 embedded with the magnet 16 is inserted on the first handle support 12, the first magnetic induction recognition unit 14 senses that the magnetic field close to the position becomes strong, outputs a high level signal and transmits the high level signal to the detection port corresponding to the main control circuit board 3, the main control circuit board 3 judges that the sand blasting handle 7 is inserted, after the sand blasting handle 7 is lifted and taken out, the first magnetic induction recognition unit 14 in the first handle support 12 senses that the magnetic field becomes weak, outputs a low level signal and transmits the low level signal to the detection port corresponding to the main control circuit board 3, and the main control circuit board 3 judges that the sand blasting handle 7 is lifted, so that the main control circuit board 3 automatically switches to the working mode corresponding to the sand blasting handle 7;
similarly, when inlaying piezoceramics transducer handle 8 of establishing magnet 16 and pegging graft on second handle support 13, second magnetic induction recognition cell 15 senses the magnetic field that closes to the position and strengthens, output high level signal and transmit the corresponding detection port of main control circuit board 3, main control circuit board 3 judges piezoceramics transducer handle 8 and inserts, when piezoceramics transducer handle 8 lifts up and takes out the back, second magnetic induction recognition cell 15 in second handle support 13 senses the magnetic field and weakens, output low level signal and transmit the corresponding detection port of main control circuit board 3, main control circuit board 3 judges piezoceramics transducer handle 8 and mentions, thereby by main control circuit board 3 automatic switch to the mode that piezoceramics transducer handle 8 corresponds.
Example 6
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on embodiment 5, and specifically includes the following steps:
the first magnetic induction recognition unit 14 is preferably a hall sensor, and the second magnetic induction recognition unit 15 is preferably a hall sensor.
Example 7
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on any one of embodiments 1 to 6, and specifically includes the following steps:
the dental sand blasting and ultrasonic integrated scaling equipment further comprises a switch power supply 17, the switch power supply 17 is electrically connected with the main control circuit board 3, and the switch power supply 17 can supply power to all devices in the scaling equipment.
Certainly, the dental sandblast and ultrasound integrated scaling device can be externally connected with a mains supply, and at the moment, the dental sandblast and ultrasound integrated scaling device further comprises a power socket 21, the power socket 21 is electrically connected with the main control circuit board 3, and the power socket 21 is externally connected with the mains supply through a power line for supplying power.
Example 8
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on any embodiment of embodiments 1 to 7, and specifically includes the following steps:
the touch display screen comprises a display panel 18 and a touch glass panel 19, the display panel 18 is embedded in the front side of the shell 4, and the display panel 18 is electrically connected with the main control circuit board 3; the touch glass panel 19 covers the front of the display panel 18, so that the key and the display are integrated into a whole, and the operation is more convenient and faster.
Example 9
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on any one of embodiments 1 to 8, and specifically includes the following steps:
integrative scaling equipment of dentistry sandblast supersound still includes pedal interface socket 20, and pedal interface socket 20 is connected with main control circuit board 3 electricity, and pedal interface socket 20 is used for external foot switch, can satisfy dentist's custom through pedal control.
Example 10
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on any one of embodiments 1 to 9, and specifically includes the following steps:
the dental sandblasting and ultrasonic integrated scaling device further comprises a loudspeaker 22, wherein the loudspeaker 22 is electrically connected with the main control circuit board 3, and the loudspeaker 22 is used for responding to an operation prompt.
Example 11
As shown in fig. 1 and fig. 2, this embodiment is a further improvement on any one of embodiments 1 to 10, and specifically includes the following steps:
the housing 4 includes a bottom case 410, an upper cover 420 and a bottom plate 430, the upper cover 420 is disposed above the bottom case 410, the upper cover 420 is fixed to the bottom case 410 by screws, the bottom plate 430 is fixed to the bottom case 410, the water supply bottle 1 and the sand blast bottle 2 are inserted into the upper cover 420, and the main control circuit board 3 is fixed to the bottom plate 430.
Example 12
In this embodiment, a replacement is made on the basis of embodiment 5, according to the dental blasting ultrasonic integrated scaling device, the handle sensing manner is infrared pair tube detection, that is, the first infrared sensing identification unit and the second infrared sensing identification unit are used to replace the first magnetic sensing identification unit 14, the second magnetic sensing identification unit 15 and the magnet 16, the first infrared sensing identification unit and the second infrared sensing identification unit are respectively arranged in the first handle support 12 and the second handle support 13, and the first infrared sensing identification unit and the second infrared sensing identification unit are respectively electrically connected with the main control circuit board 3;
when the sand blasting handle 7 is inserted on the first handle support 12, the sand blasting handle 7 blocks the light path of the first infrared induction recognition unit, the first infrared induction recognition unit outputs a corresponding signal to the detection port corresponding to the main control circuit board 3, the main control circuit board 3 judges that the sand blasting handle 7 is inserted, when the sand blasting handle 7 is lifted and taken out, the light path of the first infrared induction recognition unit is restored to be conducted, meanwhile, the first infrared induction recognition unit outputs a corresponding signal to the detection port corresponding to the main control circuit board 3, the main control circuit board 3 judges that the sand blasting handle 7 is lifted, and therefore the main control circuit board 3 is automatically switched to the working mode corresponding to the sand blasting handle 7;
similarly, the second infrared sensing identification unit is matched with the handle 8 of the piezoelectric ceramic transducer, and further description is omitted here.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The dental sandblasting and ultrasonic integrated scaling equipment is characterized by comprising a water supply bottle (1), a sandblasting bottle (2), a main control circuit board (3), a shell (4), a water pump (5), a sandblasting handle (7), a piezoelectric ceramic transducer handle (8) and a touch display screen, wherein the water supply bottle (1) and the sandblasting bottle (2) are inserted into the shell (4); a water inlet of the water pump (5) is communicated with the water supply bottle (1) through a pipeline, and a water outlet of the water pump (5) is respectively communicated with the sand blasting handle (7) and a water pipe in a tail line of the piezoelectric ceramic transducer handle (8) through pipelines; the air outlet of the sand blasting bottle (2) is communicated with an air pipe in the sand blasting handle (7) through a pipeline; the touch display screen, the water pump (5) and the piezoelectric ceramic transducer handle (8) are respectively electrically connected with the main control circuit board (3).
2. The dental sand-blasting ultrasonic integrated scaling device as claimed in claim 1, further comprising a pressure regulating valve (9), wherein an air outlet of the pressure regulating valve (9) is communicated with an air inlet of the sand-blasting bottle (2) through a pipeline, and the pressure regulating valve (9) is electrically connected with the main control circuit board (3).
3. The dental abrasive blasting and ultrasonic integrated scaling equipment as claimed in claim 2, further comprising a filter (10) and a gas valve set (6), wherein an air outlet of the filter (10) is communicated with an air inlet of the gas valve set (6), and an air outlet of the gas valve set (6) is communicated with an air inlet of the pressure regulating valve (9).
4. The dental sand-blasting ultrasonic integrated scaling equipment as claimed in claim 3, further comprising a heating water tank (11), wherein a water outlet of the water pump (5) is communicated with a water inlet of the heating water tank (11), a water outlet of the heating water tank (11) is respectively communicated with water pipes in tail lines of the sand-blasting handle (7) and the piezoelectric ceramic transducer handle (8) through pipelines, and a heating rod and a temperature sensor in the heating water tank (11) are respectively and electrically connected with the main control circuit board (3).
5. The integrated scaling device for dental blasting ultrasound according to claim 1, further comprising a first handle holder (12) and a second handle holder (13), wherein the first handle holder (12) and the second handle holder (13) are respectively disposed at two sides of the housing (4), and the blasting handle (7) and the piezoceramic transducer handle (8) are respectively inserted into the first handle holder (12) and the second handle holder (13).
6. The integrated scaling device for dental blasting ultrasound according to claim 5, further comprising a first magnetic induction recognition unit (14), a second magnetic induction recognition unit (15) and a magnet (16), wherein the magnet (16) is embedded on the blasting handle (7) and the piezoelectric ceramic transducer handle (8); the first magnetic induction recognition unit (14) and the second magnetic induction recognition unit (15) are respectively arranged in the first handle support (12) and the second handle support (13); the first magnetic induction identification unit (14) and the second magnetic induction identification unit (15) are electrically connected with the main control circuit board (3) respectively.
7. The dental blasting ultrasonic integrated scaling apparatus as claimed in claim 6, wherein the first magnetic induction recognition unit (14) and the second magnetic induction recognition unit (15) are both Hall sensors.
8. The integrated dental blasting ultrasonic scaling apparatus as claimed in claim 1, further comprising a switching power supply (17), wherein the switching power supply (17) is electrically connected with the main control circuit board (3).
9. The dental sandblasting ultrasonic integrated scaling device as claimed in claim 1, wherein the touch display screen comprises a display panel (18) and a touch glass panel (19), the display panel (18) is embedded in the front side of the housing (4), and the display panel (18) is electrically connected with the main control circuit board (3); the touch glass panel (19) covers the front of the display panel (18).
10. The dental blasting ultrasound integrated scaling apparatus as claimed in claim 1, further comprising a foot interface socket (20), wherein the foot interface socket (20) is electrically connected with the main control circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478466.2A CN113143517A (en) | 2021-04-30 | 2021-04-30 | Integrative scaling equipment of dentistry sandblast supersound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478466.2A CN113143517A (en) | 2021-04-30 | 2021-04-30 | Integrative scaling equipment of dentistry sandblast supersound |
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| Publication Number | Publication Date |
|---|---|
| CN113143517A true CN113143517A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110478466.2A Pending CN113143517A (en) | 2021-04-30 | 2021-04-30 | Integrative scaling equipment of dentistry sandblast supersound |
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| CN (1) | CN113143517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024430A1 (en) * | 2021-08-24 | 2023-03-02 | 桂林市啄木鸟医疗器械有限公司 | Dental powder-jet handpiece |
-
2021
- 2021-04-30 CN CN202110478466.2A patent/CN113143517A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024430A1 (en) * | 2021-08-24 | 2023-03-02 | 桂林市啄木鸟医疗器械有限公司 | Dental powder-jet handpiece |
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