CN110269709A - Negative suction system, system and method for dental care - Google Patents
Negative suction system, system and method for dental care Download PDFInfo
- Publication number
- CN110269709A CN110269709A CN201910609542.1A CN201910609542A CN110269709A CN 110269709 A CN110269709 A CN 110269709A CN 201910609542 A CN201910609542 A CN 201910609542A CN 110269709 A CN110269709 A CN 110269709A
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- Prior art keywords
- negative
- gas
- suction system
- dental care
- negative suction
- Prior art date
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 4
- 210000000214 mouth Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002648 combination therapy Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011350 dental composite resin Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003471 mutagenic agent Substances 0.000 description 1
- 231100000707 mutagenic chemical Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
Abstract
The invention discloses a kind of negative suction systems for dental care, system and method, can all be aspirated when any, are not required to interrupt to wait discharging of waste liquid.A kind of negative suction system for dental care, comprising: negative pressure source；Separator assembly is connected to so that intraoral gas-liquid mixture to be pumped in the separator assembly with the negative pressure source；The separator assembly includes: shell, is formed with the cavity for accommodating gas-liquid mixture, offers exhaust outlet and leakage fluid dram on the shell；Impeller is rotatably arranged in the cavity of the shell, pushes to the leakage fluid dram for gas-liquid separation and by the sewage after separation；Driving motor, for driving the wheel rotation.
Description
Technical field
The invention belongs to dental medical apparatus field, especially a kind of negative suction system for dental care, system
And method, it is used cooperatively with dental unit, for handling having of generating in patient oral cavity in dental treatment process
The gas-liquid mixture that saliva, hemorrhage, gas, treatment waste liquid and clast are constituted.
Background technique
Currently, the negative suction system for dental care mainly includes negative pressure source unit 1 ' and 2 ' two parts of knockout drum,
As shown in Fig. 1.The knockout drum 2 ' is not only connected to negative pressure source unit 1 ' by closed, hollow pipeline, also with dentistry
Negative-pressure ward terminal on combined therapy desk is connected to by closed, hollow pipeline.Negative pressure source unit 1 ' generates after running to be continued
Suction force, negative pressure of vacuum is formed in the knockout drum 2 ', biggish draught head passes through the gas-liquid mixture in patient oral cavity
It is sucked up in knockout drum 2 ' positioned at the suction terminal of dental unit.Gas-liquid mixture realizes gas in knockout drum 2 '
With the separation of liquid, wherein exhaust gas after treatment, is expelled directly out by the hollow pipeline of negative pressure source unit 1 ', and waste liquid is separating
Tank overstocks storage, and discharging of waste liquid is gone out by the self priming pump being arranged at 2 ' lowest water level of knockout drum, when the waste liquid being sucked
Excessively and liquid level inductive switch (it is used for liquid level protection, and liquid is prevented to be sucked into negative pressure source unit) is triggered, then suction operation
It interrupts to obtain enough time discharge waste liquid.So far the work to realize negative-pressure ward and discharge.
The defect of current negative suction system is: useless after separation after gas-liquid mixture is sucked up in knockout drum
Liquid only relies on waste liquid self weight and the limited suction of self priming pump that can just be separated and discharged, once waste liquid will excessively cause to aspirate
Operating interruptions, so as to cause making dental unit be not available for taking out the suction operation arranged entirely entirely.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide it is a kind of for the negative suction system of dental care, system and
Method can all be aspirated when any, be not required to interrupt to wait discharging of waste liquid.
In order to achieve the above objectives, a kind of technical solution that the present invention uses are as follows:
A kind of negative suction system for dental care, comprising:
Negative pressure source；
Separator assembly is connected to so that intraoral gas-liquid mixture to be pumped in the separator assembly with the negative pressure source；
The separator assembly includes:
Shell is formed with the cavity for accommodating gas-liquid mixture, offers exhaust outlet and leakage fluid dram on the shell；
Impeller is rotatably arranged in the cavity of the shell, is pushed to for gas-liquid separation and by the sewage after separation described
Leakage fluid dram；
Driving motor, for driving the wheel rotation.
Preferably, the impeller includes rotary blade and water impeller.
Preferably, spiral guide groove is offered on the inner wall of the shell.
Preferably, the output shaft of the impeller and the driving motor is coaxially connected or is connected by shaft coupling.
Preferably, the negative pressure source is connected to by the exhaust outlet with the cavity.
It is highly preferred that the negative suction system further includes further for carrying out to the gas for being sucked into the negative pressure source
Isolated second-stage separator, the second-stage separator are connected between the separator assembly and the negative pressure source.
Further, the second-stage separator includes the entrance pipeline section flowed through for supplied gas being sequentially communicated, increases diameter pipe
Section and tube reducing pipeline section, the internal diameter for increasing diameter pipeline section are greater than the entrance pipeline section and the tube reducing pipeline section, the entrance pipeline section
It is connected to the cavity, the tube reducing pipeline section is connected to the negative pressure source.
Further, the diameter pipeline section that increases is equipped with the check-valves for liquid to be discharged.
Another technical solution that the present invention uses are as follows:
A kind of negative-pressure ward system for dental care, comprising:
Negative suction system described in one or more；
Suction header is connected for distributing gas-liquid mixture to the negative-pressure ward with one or more described negative suction systems
In the cavity of device；
The gas that vent header is connected with one or more described negative suction systems for will isolate from the negative suction system
Body discharge；
The dirt that blowdown header is connected with one or more described negative suction systems for will isolate from the negative suction system
Water discharge.
The another technical solution that the present invention uses are as follows:
A kind of negative-pressure ward method of the negative suction system, includes the following steps: during startup, to start the drive
After dynamic motor, negative pressure source described in delayed startup；Or, in stopping process, after the negative pressure source is shut down, the driving motor delay
It shuts down.
The present invention by adopting the above technical scheme, has the advantages that compared with prior art
Active gas-liquid separation is carried out using driving motor impeller, when any over the course for the treatment of (except failure) all
Suction operation can be carried out, guarantees going on smoothly for therapeutic process, improves the efficiency of dental care；It is arranged entirely since complete take out can be carried out
Suction, can be aspirated at any time, effectively and understand the intraoral gas-liquid mixture of patient in time, prevent patient from being gulped down
Pharynx, avoid doctor over the course for the treatment of because waste liquid it is excessive caused by treat interference, further decrease cross-infection in consulting room
Risk；Due to using active gas-liquid separation, waste liquid can discharge in time, thus the cavity of shell can be sufficiently small, avoids
Using large volume of knockout drum in the prior art, so all there is preferable convenience in volume, transport, installation.
Detailed description of the invention
Attached drawing 1 shows a kind of structural block diagram of negative suction system in the prior art；
Attached drawing 2 shows a kind of structural block diagram of negative-pressure ward system for dental care of the invention；
Attached drawing 3 shows a kind of structural block diagram of negative suction system for dental care of the invention；
Attached drawing 4 shows a kind of structural block diagram of separator assembly of the invention；
Attached drawing 5 shows a kind of object construction figure of separator assembly of the invention；
Attached drawing 6 shows a kind of schematic diagram of negative suction system for dental care of the invention；
Attached drawing 7 shows a kind of popular flow chart of negative-pressure ward system for dental care of the invention；
Attached drawing 8 shows a kind of shutdown flow chart with the negative-pressure ward system with dentistry of the invention.
In above-mentioned attached drawing,
1 ', negative pressure source unit；2 ', knockout drum；
1, negative suction system；11, negative pressure pump；12, separator assembly；121, shell；122, impeller；123, driving motor；13,
Second-stage separator；
2, header is aspirated；
3, vent header；
4, blowdown header.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be understood by the person skilled in the art.It should be noted that the explanation for these embodiments is used to help
Understand the present invention, but and does not constitute a limitation of the invention.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
Referring to shown in attached drawing 1, a kind of negative-pressure ward system for dental care is present embodiments provided, it includes:
One or more can be realized the negative suction system 1 taken out and arranged entirely entirely；
Suction header 2 is connected with one or more described negative suction systems 1 to be taken out for distributing gas-liquid mixture to the negative pressure
Inhale device 1；
Vent header 3 is connected for that will isolate from the negative suction system 1 with one or more described negative suction systems 1
Gas discharge；
Blowdown header 4 is connected for that will isolate from the negative suction system 1 with one or more described negative suction systems 1
Sewage discharge, sewage herein refers to liquid in above-mentioned gas-liquid mixture in addition to gas, solid and muddy body.
The gas-liquid mixture being sucked directly is drawn into from suction header 2 to each negative under the action of negative-pressure ward power
Suction unit 1 is pressed, gas-liquid mixture is directly separated into sewage and gas, gas in the separator assembly of negative suction system 1
Body is sucked and discharge set exhaust passage from exhaust outlet, and sewage is then directly discharged from negative suction system 1
To set drain outlet.
Referring to shown in attached drawing 2, each negative suction system 1, respectively include:
Negative pressure source, specially negative pressure pump 11；
Separator assembly 12 is connected to so that intraoral gas-liquid mixture is pumped to the separator assembly 12 with the negative pressure source
It is interior.
Negative pressure pump 11 is vaccum pump motor, generally air ring type vacuum pump, is mentioned for the negative-pressure ward of negative suction system 1
For the negative pressure source of power, providing negative pressure (can also claim vacuum degree, refer to big with the external world while gas is sucked in vacuum pump
Air pressure is formed by pressure difference) and throughput (referring to the gas flow that vacuum pump is pumped into or is discharged within the unit time), it is negative pressure
The crucial power part of generation.At air-inlet of vacuum pump, the relationship of throughput and negative pressure between the two is that throughput is bigger, and negative pressure is got over
It is small；Throughput is smaller, and negative pressure is bigger.
Referring to shown in attached drawing 3-5, the separator assembly 12 includes:
Shell 121 is formed with the cavity for accommodating gas-liquid mixture, offers exhaust outlet and row on the shell 121
Liquid mouth, negative pressure pump 11 are connected to by exhaust outlet with the cavity, and spiral guide groove is offered on the inner wall of shell 121；
Impeller 122 is rotatably arranged in the cavity of the shell 121, pushes to the row for gas-liquid separation and by sewage
Liquid mouth, impeller 122 include rotary blade 122 and water impeller 122；
Driving motor 123, for driving the impeller 122 to rotate.
Wherein, shell 121 is installed in the motor cover of driving motor 123, and impeller 122 is mounted on the defeated of driving motor 123
On shaft, the shaft of impeller 122 and the output shaft of driving motor 123 are coaxially connected or are connected by shaft coupling.Driving motor 123
Output power be greater than separator assembly 12 draining power.
Each negative suction system 1 further includes for further being divided the gas for being sucked into the negative pressure pump 11
From second-stage separator 13, the second-stage separator 13 is connected between the separator assembly 12 and the negative pressure source.It is described
Second-stage separator 13 includes the entrance pipeline section flowed through for supplied gas being sequentially communicated, increases diameter pipeline section and tube reducing pipeline section, described
The internal diameter for increasing diameter pipeline section is greater than the entrance pipeline section and the tube reducing pipeline section, and the entrance pipeline section is connected to the cavity, described
Tube reducing pipeline section is connected to the negative pressure source.The diameter pipeline section that increases is equipped with the check-valves for liquid to be discharged.Second level moisture separator,
It is in order to further separate the liquid water that may contain in the air for being sucked into negative pressure pump 11, to make to be sucked into negative pressure pump 11
Air is further dried.It is managed using channel caliber Mutagen, i.e. pipeline where gas, undergoes a caliber to uprush, then pass through
An anticlimax is gone through, in this process, liquid water contained in gas can be precipitated and overstock in Large Diameter Pipeline channel, then accumulate
The water of pressure pushes the check-valves Self-discharged in pipeline open under the effect of gravity.
Referring to shown in attached drawing 6, negative pressure pump 11 provides negative pressure source to separator assembly 12 by the connection of pipeline, is sucked
Gas-liquid mixture is directly drawn into from pump orifice under the action of negative-pressure ward power to the cavity of separator assembly 12, gas-liquid
Mixture is directly separated into liquid (or liquid and solid mix muddy object) and gas, gas in separator assembly 12
It is sucked up to negative pressure pump 11 and discharge set exhaust passage from exhaust outlet, and liquid is then directly discharged to set row
Dirty channel.
The piping connection of each component can be hard tube or hose connection in negative suction system 1.
The active gas-liquid separation principle of negative suction system 1 are as follows: impeller 122 is driven by driving motor 123 and in shell
Rotation in 121, in conjunction with the function of guide groove and centrifugal impeller 122 on 121 inner wall of shell, gas-liquid mixture is sucked up to the shell
After in body 121, initially enters and make centrifugal spiral rotary motion in centrifugal movement guide groove, and the running impeller of spirally-guided
At 122, so that sewage be made directly to be discharged under the centrifugal force pulls of impeller 122.
The negative suction system 1 is applied to oral medical industry, is for aspirating and discharging oral medical industry such as mouth
Patient generates during dental care in chamber (dentistry) clinic or oral cavity (dentistry) hospital saliva is bled and other waste liquids
And clast, patient may diffuse to air in the germ in air and atmosphere, and the sewage quilt in the system and device from oral cavity
Separation is emitted into default sewage conduct.Without knockout drum, reduce cost, space, and realizes the suction taken out and arranged entirely entirely
Work.
The negative-pressure ward system is concentrated to each dental equipment and provides negative-pressure ward power.For example, dental composite is controlled
The handheld device dental pump for treating platform provides negative-pressure ward power, and waste liquid is aspirated by dental pump out of mouth.
Suction system pipeline is arranged in advance in dental clinic or hospital, and the negative-pressure ward system is directly accessed suction system
System general pipeline pipeline joint.
Referring to shown in attached drawing 7, the operational process of above-mentioned negative-pressure ward system includes:
S11, system electrification, under the premise of power supply correctly enters, suction operation is ready to ready；
S12, user's closure signal control line, negative-pressure ward system bring into operation；
S13, each negative suction system 1 separator assembly 12 preferentially start simultaneously, that is, each driving motor 123 starts simultaneously；
S14, each negative suction system 1 negative pressure pump 11 delay simultaneously start, delay 1 ~ 60 second；
At this point, gas-liquid mixture can start to be sucked, gas-liquid mixture is sucked up in the system that be separated into sewage gentle
Body, and direct emission.
Referring to shown in attached drawing 8, the shutdown process of above-mentioned negative-pressure ward system includes:
S21, user's cut-off signal control line, negative-pressure ward system start to shut down process；
S22, each negative suction system 1 negative pressure pump 11 preferentially shut down simultaneously；
S23, the separator assembly 12 of each negative suction system 1 while the shutdown that is delayed, be delayed 1 ~ 300s, that is, each driving motor
123 are delayed shutdown simultaneously；
At this point, negative-pressure ward system stops working, still, as long as power supply does not disconnect, the suction operation of the system is ready to
It is ready.
Above-mentioned negative-pressure ward system and suction unit are mainly to have used the full suction operation principle taken out and arranged entirely, by active
Gas-liquid separation substitutes passive type gas-liquid separation in the prior art, is realized with this (former when making client any over the course for the treatment of
Except barrier) suction operation can be all carried out, guarantee the progress of therapeutic process, directly improves the efficiency of dental care.
Because taking out the suction operation arranged entirely entirely, it can be used for suction operation at any time, can effectively remove waste liquid in patient mouthful in time, prevent
Only patient is swallowed, at the same guarantee doctor avoid over the course for the treatment of waste liquid it is excessive caused by treat interference, so
Further decrease the risk of cross-infection in consulting room.
Because of the use of active aqueous vapor separation, the biggish knockout drum of volume is eliminated, so in volume, transport, installation side
Face all improves convenience.
The above embodiments merely illustrate the technical concept and features of the present invention, is a kind of preferred embodiment, and purpose exists
In those skilled in the art can understand the contents of the present invention and implements accordingly, guarantor of the invention can not be limited with this
Protect range.Equivalent change or modification made by all Spirit Essences according to the present invention, should all cover in protection scope of the present invention
Within.
Claims (10)
1. a kind of negative suction system for dental care, comprising:
Negative pressure source；
Separator assembly is connected to so that intraoral gas-liquid mixture to be pumped in the separator assembly with the negative pressure source；
It is characterized in that, the separator assembly includes:
Shell is formed with the cavity for accommodating gas-liquid mixture, offers exhaust outlet and leakage fluid dram on the shell；
Impeller is rotatably arranged in the cavity of the shell, is pushed to for gas-liquid separation and by the sewage after separation described
Leakage fluid dram；
Driving motor, for driving the wheel rotation.
2. the negative suction system according to claim 1 for dental care, which is characterized in that the impeller includes rotation
Rotary impeller and water impeller.
3. the negative suction system according to claim 1 for dental care, which is characterized in that the inner wall of the shell
On offer spiral guide groove.
4. the negative suction system according to claim 1 for dental care, which is characterized in that the impeller and described
The output shaft of driving motor is coaxially connected or is connected by shaft coupling.
5. the negative suction system according to claim 1 for dental care, which is characterized in that the negative pressure source passes through
The exhaust outlet is connected to the cavity.
6. the negative suction system according to claim 5 for dental care, which is characterized in that the negative-pressure ward dress
Setting further includes second-stage separator for further being separated to the gas for being sucked into the negative pressure source, the second-stage separator
It is connected between the separator assembly and the negative pressure source.
7. the negative suction system according to claim 6 for dental care, which is characterized in that the second-stage separator
It is described to increase the interior of diameter pipeline section including the entrance pipeline section flowed through for supplied gas, increasing diameter pipeline section and tube reducing pipeline section being sequentially communicated
Diameter is greater than the entrance pipeline section and the tube reducing pipeline section, and the entrance pipeline section is connected to the cavity, the tube reducing pipeline section and institute
State negative pressure source connection.
8. the negative suction system according to claim 7 for dental care, which is characterized in that the increasing diameter pipeline section is set
There is the check-valves for discharge liquor body.
9. a kind of negative-pressure ward system for dental care characterized by comprising
One or more are such as the described in any item negative suction systems of claim 1-8；
Suction header is connected for distributing gas-liquid mixture to the negative-pressure ward with one or more described negative suction systems
In the cavity of device；
The gas that vent header is connected with one or more described negative suction systems for will isolate from the negative suction system
Body discharge；
The dirt that blowdown header is connected with one or more described negative suction systems for will isolate from the negative suction system
Water discharge.
10. a kind of negative-pressure ward method of such as negative suction system of any of claims 1-8, which is characterized in that
Include the following steps: during startup, after starting the driving motor, negative pressure source described in delayed startup；Or, in stopping process
In, after the negative pressure source is shut down, the driving motor delay is shut down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609542.1A CN110269709A (en) | 2019-07-08 | 2019-07-08 | Negative suction system, system and method for dental care |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609542.1A CN110269709A (en) | 2019-07-08 | 2019-07-08 | Negative suction system, system and method for dental care |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110269709A true CN110269709A (en) | 2019-09-24 |
Family
ID=67962991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910609542.1A Pending CN110269709A (en) | 2019-07-08 | 2019-07-08 | Negative suction system, system and method for dental care |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110269709A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230243A (en) * | 1996-07-26 | 1999-09-29 | 株式会社横田制作所 | Self-priming type centrifugal pump |
| US6022216A (en) * | 1998-05-29 | 2000-02-08 | Cattani S.P.A. | Fluid separator for dental aspiration apparatus |
| CN201098214Y (en) * | 2007-11-21 | 2008-08-13 | 德国迪尔齿科公司 | Combined suction machine |
| CN103041461A (en) * | 2013-01-09 | 2013-04-17 | 江苏岱洛医疗科技有限公司 | Medical suction device |
| CN206730692U (en) * | 2017-03-30 | 2017-12-12 | 江苏岱洛医疗科技有限公司 | A kind of moisture separator for suction machine |
| CN210521129U (en) * | 2019-07-08 | 2020-05-15 | 天逸瑞狮（苏州）口腔医疗科技股份有限公司 | Negative pressure suction device and system for oral treatment |
-
2019
- 2019-07-08 CN CN201910609542.1A patent/CN110269709A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230243A (en) * | 1996-07-26 | 1999-09-29 | 株式会社横田制作所 | Self-priming type centrifugal pump |
| US6022216A (en) * | 1998-05-29 | 2000-02-08 | Cattani S.P.A. | Fluid separator for dental aspiration apparatus |
| CN201098214Y (en) * | 2007-11-21 | 2008-08-13 | 德国迪尔齿科公司 | Combined suction machine |
| CN103041461A (en) * | 2013-01-09 | 2013-04-17 | 江苏岱洛医疗科技有限公司 | Medical suction device |
| CN206730692U (en) * | 2017-03-30 | 2017-12-12 | 江苏岱洛医疗科技有限公司 | A kind of moisture separator for suction machine |
| CN210521129U (en) * | 2019-07-08 | 2020-05-15 | 天逸瑞狮（苏州）口腔医疗科技股份有限公司 | Negative pressure suction device and system for oral treatment |
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Effective date of registration: 20210223 Address after: 215000 No.10 factory building, no.225 Huajin Road, Tong'an Town, high tech Zone, Suzhou City, Jiangsu Province Applicant 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 Applicant before: TIANYI RUISHI (SUZHOU) ORAL HEALTH CARE TECHNOLOGY Co.,Ltd. |