CN210521129U - Negative pressure suction device and system for oral treatment - Google Patents
Negative pressure suction device and system for oral treatment Download PDFInfo
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- CN210521129U CN210521129U CN201921058218.7U CN201921058218U CN210521129U CN 210521129 U CN210521129 U CN 210521129U CN 201921058218 U CN201921058218 U CN 201921058218U CN 210521129 U CN210521129 U CN 210521129U
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Abstract
The utility model discloses a negative pressure suction device and system for oral treatment can all aspirate at any time, need not interrupt and waits for the waste liquid to discharge. A negative pressure suction device for oral treatment, comprising: a source of negative pressure; a separator assembly in communication with the negative pressure source to draw a gas-liquid mixture within an oral cavity into the separator assembly; the separator assembly includes: the gas-liquid separator comprises a shell, a gas-liquid separator and a gas-liquid separator, wherein a cavity for containing a gas-liquid mixture is formed in the shell, and an exhaust port and a liquid discharge port are formed in the shell; the impeller is rotatably arranged in the cavity of the shell and used for gas-liquid separation and pushing the separated sewage to the liquid outlet; and the driving motor is used for driving the impeller to rotate.
Description
Technical Field
The utility model belongs to oral cavity medical equipment field, especially a negative pressure suction device and system for oral treatment, it uses with the cooperation of dentistry comprehensive treatment platform for handle the gas-liquid mixture that has saliva, hemorrhage, gas, treatment waste liquid and piece constitution that produces in patient's oral cavity at the dentistry treatment in-process.
Background
At present, the negative pressure suction device for oral treatment mainly comprises a negative pressure source set 1 'and a separation tank 2', as shown in figure 1. The separating tank 2 'is not only communicated with the negative pressure source unit 1' through a closed and hollow pipeline, but also communicated with a negative pressure suction terminal on the dental comprehensive treatment table through a closed and hollow pipeline. The negative pressure source unit 1 ' generates continuous suction force after running, vacuum negative pressure is formed in the separation tank 2 ', and the gas-liquid mixture in the oral cavity of a patient is sucked into the separation tank 2 ' through a suction terminal positioned at the dental comprehensive treatment table due to large air pressure difference. The separation of gas and liquid is realized to the gas-liquid mixture in knockout drum 2 ', and wherein waste gas is handled the back, directly discharges by the cavity pipeline of negative pressure source unit 1 ', and the waste liquid is overstocked at the knockout drum and is stored to rely on the self priming pump that knockout drum 2 ' minimum water level department set up to discharge the waste liquid, when too much and trigger liquid level inductive switch (it is used for the liquid level protection, prevents that liquid from being inhaled to negative pressure source unit) of waste liquid that is sucked, then the work of sucking is interrupted and is obtained enough time and discharge the waste liquid. So far, the work of negative pressure suction and discharge is realized.
The defects of the current negative pressure suction device are as follows: after the gas-liquid mixture is sucked into the separation tank, the separated waste liquid can be separated and discharged only by the dead weight of the waste liquid and the limited suction of the self-sucking pump, and once the waste liquid is too much, the suction work can be interrupted, so that the dental comprehensive treatment table cannot perform the suction work of full suction and full discharge.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, it is an object of the present invention to provide a negative pressure suction device and system for oral treatment, which can perform suction at any time without interruption for waiting for the discharge of waste liquid.
In order to achieve the above object, the utility model discloses a technical scheme do:
a negative pressure suction device for oral treatment, comprising:
a source of negative pressure;
a separator assembly in communication with the negative pressure source to draw a gas-liquid mixture within an oral cavity into the separator assembly;
the separator assembly includes:
the gas-liquid separator comprises a shell, a gas-liquid separator and a gas-liquid separator, wherein a cavity for containing a gas-liquid mixture is formed in the shell, and an exhaust port and a liquid discharge port are formed in the shell;
the impeller is rotatably arranged in the cavity of the shell and used for gas-liquid separation and pushing the separated sewage to the liquid outlet;
and the driving motor is used for driving the impeller to rotate.
Preferably, the impeller includes a rotating impeller and a drain impeller.
Preferably, the inner wall of the housing is provided with a spiral guide groove.
Preferably, the impeller and an output shaft of the drive motor are coaxially connected or connected by a coupling.
Preferably, the negative pressure source communicates with the cavity through the exhaust port.
More preferably, the negative pressure suction device further comprises a secondary separator for further separating gas drawn into the negative pressure source, the secondary separator being connected between the separator assembly and the negative pressure source.
Further, the secondary separator comprises an inlet pipe section, a diameter increasing pipe section and a diameter reducing pipe section which are communicated in sequence and used for gas to flow through, the inner diameter of the diameter increasing pipe section is larger than that of the inlet pipe section and that of the diameter reducing pipe section, the inlet pipe section is communicated with the cavity, and the diameter reducing pipe section is communicated with the negative pressure source.
Still further, the increased diameter pipe section is provided with a check valve for discharging liquid.
The utility model discloses a further technical scheme do:
a negative pressure aspiration system for oral treatment, comprising:
one or more of said negative pressure suction devices;
a suction manifold connected to the one or more negative pressure suction devices for distributing a gas-liquid mixture into the cavity of the negative pressure suction device;
an exhaust manifold connected to the one or more negative pressure suction devices for exhausting the gas separated from the negative pressure suction devices;
and the sewage discharge header is connected with the one or more negative pressure suction devices and is used for discharging the sewage separated from the negative pressure suction devices.
The utility model adopts the above technical scheme, compare prior art and have following advantage:
the driving motor is adopted to drive the impeller to carry out active gas-liquid separation, and the pumping work can be carried out at any time (except for faults) in the treatment process, so that the smooth proceeding of the treatment process is ensured, and the oral treatment efficiency is improved; the whole-suction and whole-discharge suction can be carried out at any time, so that the gas-liquid mixture in the oral cavity of the patient can be effectively and timely cleared, the patient can be prevented from swallowing the gas-liquid mixture, the treatment interference caused by excessive waste liquid in the treatment process of the doctor is avoided, and the risk of cross infection in a consulting room is further reduced; due to the adoption of active gas-liquid separation, waste liquid can be discharged in time, so that the cavity of the shell can be small enough, and the use of a separating tank with larger volume in the prior art is avoided, so that the shell has better convenience in the aspects of volume, transportation and installation.
Drawings
Fig. 1 is a block diagram showing a negative pressure suction apparatus in the prior art;
fig. 2 is a block diagram of a negative pressure suction system for oral treatment according to an embodiment of the present invention;
fig. 3 is a block diagram of a negative pressure suction device for oral treatment according to an embodiment of the present invention;
fig. 4 is a block diagram of a separator assembly according to an embodiment of the invention;
fig. 5 is a diagram illustrating a physical structure of a separator assembly according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a negative pressure suction device for oral treatment according to an embodiment of the present invention;
fig. 7 shows a flow chart of a negative pressure suction system for oral treatment according to an embodiment of the present invention;
fig. 8 shows a flow chart of a stop of a negative pressure suction system for dentistry according to an embodiment of the present invention.
In the above-described figures of the drawings,
1', a negative pressure source machine set; 2', a separation tank;
1. a negative pressure suction device; 11. a negative pressure pump; 12. a separator assembly; 121. a housing; 122. an impeller; 123. a drive motor; 13. a secondary separator;
2. a suction manifold;
3. an exhaust manifold;
4. a sewage discharge header.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables the advantages and features of the invention to be more readily understood by those skilled in the art. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, the present embodiment provides a negative pressure suction system for oral treatment, which includes:
one or more negative pressure suction devices 1 capable of realizing full suction and full discharge;
a suction manifold 2 connected to the one or more negative pressure suction devices 1 for distributing the gas-liquid mixture to the negative pressure suction devices 1;
an exhaust manifold 3 connected to the one or more negative pressure suction devices 1 for exhausting the gas separated from the negative pressure suction devices 1;
and a sewage discharge header 4 connected with the one or more negative pressure suction devices 1 for discharging sewage separated from the negative pressure suction devices 1, wherein the sewage refers to liquid, solid and turbid substances except gas in the gas-liquid mixture.
The gas-liquid mixture is directly sucked into each negative pressure suction device 1 from the suction header 2 under the action of negative pressure suction force, the gas-liquid mixture is directly separated into sewage and gas in a separator assembly of the negative pressure suction device 1, the gas is sucked and discharged from an exhaust port to a set exhaust passage, and the sewage is directly discharged from the negative pressure suction device 1 to a set sewage discharge passage.
Referring to fig. 2, each negative pressure suction device 1 includes:
a negative pressure source, specifically a negative pressure pump 11;
a separator assembly 12 in communication with the negative pressure source to draw the gas-liquid mixture within the oral cavity into the separator assembly 12.
The negative pressure pump 11 is a vacuum pump motor, generally a gas ring vacuum pump, and is a negative pressure source for providing power for negative pressure suction of the negative pressure suction device 1, and provides negative pressure (also called vacuum degree, which refers to a pressure difference between gas in the vacuum pump and the external atmospheric pressure when the gas is sucked) and gas flow (refers to the gas flow pumped in or exhausted by the vacuum pump in a unit time) as a key power component for generating the negative pressure. At the air inlet of the vacuum pump, the relationship between the air flow and the negative pressure is that the larger the air flow is, the smaller the negative pressure is; the smaller the air flow, the greater the negative pressure.
Referring to fig. 3-5, the separator assembly 12 includes:
a housing 121, in which a cavity for accommodating a gas-liquid mixture is formed, the housing 121 is provided with an exhaust port and a liquid discharge port, the negative pressure pump 11 is communicated with the cavity through the exhaust port, and the inner wall of the housing 121 is provided with a spiral guide groove;
the impeller 122 is rotatably arranged in the cavity of the shell 121 and used for gas-liquid separation and pushing sewage to the liquid discharge port, and the impeller 122 comprises a rotating impeller 122 and a drainage impeller 122;
and a driving motor 123 for driving the impeller 122 to rotate.
The housing 121 is mounted on a motor cover of the driving motor 123, the impeller 122 is mounted on an output shaft of the driving motor 123, and a rotating shaft of the impeller 122 is coaxially connected with the output shaft of the driving motor 123 or connected with the output shaft through a coupling. The output power of the driving motor 123 is greater than the drain power of the separator assembly 12.
Each negative pressure suction device 1 further comprises a secondary separator 13 for further separating the gas sucked into the negative pressure pump 11, the secondary separator 13 being connected between the separator assembly 12 and the source of negative pressure. The secondary separator 13 comprises an inlet pipe section, a diameter increasing pipe section and a diameter reducing pipe section which are communicated in sequence and used for gas to flow through, the inner diameter of the diameter increasing pipe section is larger than that of the inlet pipe section and that of the diameter reducing pipe section, the inlet pipe section is communicated with the cavity, and the diameter reducing pipe section is communicated with the negative pressure source. The diameter-increasing pipe section is provided with a check valve for discharging liquid. The secondary moisture separator is to further separate liquid water that may be contained in the air sucked into the negative pressure pump 11, thereby further drying the air sucked into the negative pressure pump 11. The principle of sudden change of the pipe diameter of the channel is adopted, namely, the pipeline where the gas is located undergoes one sudden increase of the pipe diameter and one sudden decrease of the pipe diameter, in the process, liquid water contained in the gas can be separated out and accumulated in the large-pipe-diameter channel, and then the accumulated water pushes away a check valve in the pipeline under the action of gravity to be discharged.
Referring to fig. 6, the negative pressure pump 11 provides a negative pressure source to the separator assembly 12 through the connection of the pipes, the gas-liquid mixture is directly sucked into the cavity of the separator assembly 12 from the suction port under the action of the negative pressure suction force, the gas-liquid mixture is directly separated into liquid (or liquid and solid mixed into turbid matter) and gas in the separator assembly 12, the gas is sucked to the negative pressure pump 11 and discharged to a predetermined exhaust passage from the exhaust port, and the liquid is directly discharged to a predetermined sewage discharge passage.
The pipeline connection of each component in the negative pressure suction device 1 can be a hard pipe or a hose connection.
The active gas-liquid separation principle of the negative pressure suction device 1 is as follows: the impeller 122 is driven by the driving motor 123 to rotate in the housing 121, and in combination with the functions of the guide groove on the inner wall of the housing 121 and the centrifugal impeller 122, after the gas-liquid mixture is sucked into the housing 121, the gas-liquid mixture firstly enters the centrifugal movement guide groove to perform centrifugal spiral rotation movement and is spirally guided to the impeller 122 in operation, so that the sewage is directly discharged under the centrifugal force of the impeller 122.
The negative pressure suction device 1 is applied to the oral medical industry, and is used for sucking and discharging saliva, bleeding and other waste liquid and debris generated by a patient during oral treatment in the oral medical industry, such as an oral (dental) clinic or an oral (dental) hospital, wherein the patient can diffuse into germs in the air and air in the atmosphere from the oral cavity, and sewage is separated and discharged to a preset sewage pipeline in the system device. And a separation tank is not needed, so that the cost and the space are reduced, and the full-pumping and full-discharging pumping work is realized.
The negative pressure suction system collectively provides negative pressure suction power to each dental apparatus. For example, a hand-held saliva suction device of a dental unit is provided with a negative suction power, and the saliva suction device sucks waste liquid from the mouth.
The suction system pipeline is arranged in advance in an oral clinic or a hospital, and the negative pressure suction system is directly connected to the suction system main pipeline interface.
Referring to fig. 7, the operation flow of the negative pressure suction system includes:
s11, powering on the system, and preparing the pumping work at any time on the premise of correct input of the power supply;
s12, closing the signal control line by a user, and starting the operation of the negative pressure suction system;
s13, the separator assemblies 12 of the respective negative pressure suction devices 1 are preferably started simultaneously, i.e., the respective drive motors 123 are started simultaneously;
s14, the negative pressure pumps 11 of the negative pressure suction devices 1 are started at the same time in a delayed mode for 1-60 seconds;
at this time, the gas-liquid mixture starts to be sucked, and the gas-liquid mixture is sucked into the system to be separated into sewage and gas, and is directly discharged.
Referring to fig. 8, the shutdown process of the negative pressure suction system includes:
s21, the user disconnects the signal control line, and the negative pressure suction system starts a shutdown process;
s22, the negative pressure pumps 11 of the respective negative pressure suction devices 1 are stopped preferentially at the same time;
s23, the separator assemblies 12 of the negative pressure suction devices 1 are stopped in a delayed mode at the same time for 1-300S, namely, the driving motors 123 are stopped in a delayed mode at the same time;
at this time, the negative pressure suction system stops operating, but the suction operation of the system is ready whenever the power supply is not disconnected.
Above-mentioned negative pressure suction system and suction device have mainly used the suction theory of taking out the whole row entirely, replace passive form gas-liquid separation among the prior art by active gas-liquid separation to this realizes letting the customer can all carry out suction work at any time (except that the trouble) in the treatment process, guarantees going on of treatment, has directly promoted oral treatment's efficiency.
Because of the suction work of taking out the row entirely, can be used to suction work at any time, can effectively in time clear away patient's intraoral waste liquid, prevent that the patient from swallowing it, guarantee simultaneously that the doctor has avoided the too much treatment that leads to of waste liquid to disturb in the treatment process, so also further reduce the risk of cross infection in the consulting room.
Due to the use of active water-gas separation, a separation tank with large volume is omitted, so that the convenience in the aspects of volume, transportation and installation is improved.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and are a preferred embodiment, which is intended to enable persons skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. A negative pressure suction device for oral treatment, comprising:
a source of negative pressure;
a separator assembly in communication with the negative pressure source to draw a gas-liquid mixture within an oral cavity into the separator assembly;
characterized in that the separator assembly comprises:
the gas-liquid separator comprises a shell, a gas-liquid separator and a gas-liquid separator, wherein a cavity for containing a gas-liquid mixture is formed in the shell, and an exhaust port and a liquid discharge port are formed in the shell;
the impeller is rotatably arranged in the cavity of the shell and used for gas-liquid separation and pushing the separated sewage to the liquid outlet;
and the driving motor is used for driving the impeller to rotate.
2. The negative pressure suction device for oral treatment according to claim 1, wherein the impeller includes a rotating impeller and a water discharge impeller.
3. The negative pressure suction device for oral treatment according to claim 1, wherein the inner wall of the housing is provided with a spiral guide groove.
4. The negative pressure suction device for oral treatment according to claim 1, wherein the impeller and the output shaft of the drive motor are connected coaxially or by a coupling.
5. The negative pressure suction device for oral treatment according to claim 1, wherein the negative pressure source communicates with the cavity through the exhaust port.
6. The negative pressure suction device for use in oral treatment according to claim 5, further comprising a secondary separator for further separating gas drawn into the negative pressure source, the secondary separator being connected between the separator assembly and the negative pressure source.
7. The negative pressure suction device for oral treatment according to claim 6, wherein the secondary separator comprises an inlet pipe section, a diameter increasing pipe section and a diameter reducing pipe section which are communicated in sequence and are used for gas to flow through, the diameter increasing pipe section has a larger inner diameter than the inlet pipe section and the diameter reducing pipe section, the inlet pipe section is communicated with the cavity, and the diameter reducing pipe section is communicated with the negative pressure source.
8. The negative pressure suction device for oral treatment according to claim 7, wherein the diameter-increased pipe section is provided with a check valve for discharging liquid.
9. A negative pressure aspiration system for oral treatment, comprising:
one or more negative pressure aspiration devices of any one of claims 1-8;
a suction manifold connected to the one or more negative pressure suction devices for distributing a gas-liquid mixture into the cavity of the negative pressure suction device;
an exhaust manifold connected to the one or more negative pressure suction devices for exhausting the gas separated from the negative pressure suction devices;
and the sewage discharge header is connected with the one or more negative pressure suction devices and is used for discharging the sewage separated from the negative pressure suction devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058218.7U CN210521129U (en) | 2019-07-08 | 2019-07-08 | Negative pressure suction device and system for oral treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058218.7U CN210521129U (en) | 2019-07-08 | 2019-07-08 | Negative pressure suction device and system for oral treatment |
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| CN210521129U true CN210521129U (en) | 2020-05-15 |
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| CN201921058218.7U Active CN210521129U (en) | 2019-07-08 | 2019-07-08 | Negative pressure suction device and system for oral treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269709A (en) * | 2019-07-08 | 2019-09-24 | 天逸瑞狮（苏州）口腔医疗科技股份有限公司 | Negative suction system, system and method for dental care |
-
2019
- 2019-07-08 CN CN201921058218.7U patent/CN210521129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269709A (en) * | 2019-07-08 | 2019-09-24 | 天逸瑞狮（苏州）口腔医疗科技股份有限公司 | Negative suction system, system and method for dental care |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210226 Address after: 215000 No.10 factory building, no.225 Huajin Road, Tong'an Town, high tech Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU JUNWEI MEDICAL EQUIPMENT Co.,Ltd. Address before: 215163 2-202, 2-203, 2-201 (1), 2-204 (1), building 1, microsystem Park, No. 2, Peiyuan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: TIANYI RUISHI (SUZHOU) ORAL HEALTH CARE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |