CN212416278U - Dental chair anti-suckback device - Google Patents
Dental chair anti-suckback device Download PDFInfo
- Publication number
- CN212416278U CN212416278U CN202020279516.5U CN202020279516U CN212416278U CN 212416278 U CN212416278 U CN 212416278U CN 202020279516 U CN202020279516 U CN 202020279516U CN 212416278 U CN212416278 U CN 212416278U
- Authority
- CN
- China
- Prior art keywords
- suckback
- water
- pipe body
- installation end
- handpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 206010011409 Cross infection Diseases 0.000 abstract description 11
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 11
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 210000003296 saliva Anatomy 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 6
- 239000008280 blood Substances 0.000 abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 5
- 244000052769 pathogen Species 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 239000003814 drug Substances 0.000 abstract description 2
- 210000000214 mouth Anatomy 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000446313 Lamella Species 0.000 description 2
- 208000025157 Oral disease Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 244000000010 microbial pathogen Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000030194 mouth disease Diseases 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000700721 Hepatitis B virus Species 0.000 description 1
- 241000725303 Human immunodeficiency virus Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 208000002672 hepatitis B Diseases 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- -1 saliva Substances 0.000 description 1
Images
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
本实用新型公开了一种口腔牙科椅防倒吸装置，属于口腔医学技术领域。包括管体、防倒吸模块、水气管安装端以及工作手机安装端；其中，所述水气管安装端和所述工作手机安装端分别一一对应设置在所述管体的两端；所述防倒吸模块设置在所述管体的内壁上。该装置用以将管体通过水气管安装端和工作手机安装端依次对应连通设于外部的水气管道和工作手机之间，进而可借助防倒吸瓣有效阻挡工作手机停转时所产生的负压回吸的病员唾液、血液、切割碎屑等污染物，进而可防止病人口腔中的可吸收和传播病源体的物质回吸入水气管道而引起交叉感染，节约了消毒时间并减少了消毒时造成的老化，提高口腔牙科椅设备利用率以及使用寿命。
The utility model discloses an anti-sucking device for an oral dental chair, which belongs to the technical field of oral medicine. It includes a pipe body, an anti-suckback module, a water and gas pipe installation end and a work handpiece installation end; wherein the water and gas pipe installation end and the work handpiece installation end are respectively arranged at both ends of the pipe body in a one-to-one correspondence; the The anti-suckback module is arranged on the inner wall of the pipe body. The device is used to connect the pipe body between the external water and gas pipeline and the working handpiece through the water and gas pipe mounting end and the working handpiece mounting end in turn correspondingly, so that the anti-sucking valve can effectively block the air generated when the working handpiece stops. The patient's saliva, blood, cutting debris and other pollutants that are sucked back by negative pressure can prevent the substances in the patient's mouth that can absorb and spread pathogens from being sucked back into the water and gas pipelines and cause cross-infection, saving disinfection time and reducing disinfection. The aging caused by time, improve the utilization rate and service life of dental chair equipment.
Description
Technical Field
The utility model relates to an oral medicine technical field, concretely relates to oral cavity dental chair prevents suck-back device.
Background
The oral dental chair is a basic device in the diagnosis and treatment of oral diseases and is also a main way and medium for causing cross infection of oral patients. The diagnosis and treatment of oral diseases are mostly performed in the oral cavity, and saliva and blood are usually touched during the diagnosis and treatment. A large number of pathogenic microorganisms, such as hepatitis B virus, AIDS virus and other viruses and bacteria, exist in saliva and blood of patients with infectious diseases. Epidemiological data show that the positive rate of HBSAg of outpatient tooth extraction patients is 7.14 percent, and the positive rate of HCV is 3.3 percent. The data show that the positive rate of HBAg in saliva of hepatitis B patients is 50-60%. They can directly infect various oral medical devices, causing cross-contamination between patients.
The water-air pipeline of the dental chair is most prominent, when the working mobile phone stops rotating, the air at the head of the working mobile phone is in a negative pressure state, and the negative pressure can lead pollutants (substances capable of absorbing and spreading pathogen) in the oral cavity of a patient, such as saliva, blood, cutting debris and the like, to be sucked back into the water-air pipeline. Pathogenic microorganisms can grow and propagate on the side wall of the pipeline. When the working mobile phone is used again, pollutants in the water and gas suction pipeline can enter the oral cavity of a patient along with water mist to cause cross infection, and although the cross infection can be reduced or even avoided through strict disinfection treatment, the pollutants are often used for a plurality of patients in a short time and cannot be used for comprehensively controlling the pollution, so that the pollutants become a medium of the cross infection.
In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and beneficial researches, and the final product has obtained effective results and formed the technical solutions to be described below.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an oral dental chair prevents suck-back device to cross infection's problem appears easily in the aqueous vapor pipeline of dental chair among the solution prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the anti-suck-back device of the dental chair for the oral cavity comprises a pipe body, an anti-suck-back module, a water and gas pipe mounting end and a working mobile phone mounting end; the water gas pipe mounting end and the working mobile phone mounting end are respectively arranged at two ends of the pipe body in a one-to-one correspondence manner;
the anti-suck-back module is arranged on the inner wall of the pipe body.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
furthermore, the anti-suck-back module is an anti-suck-back flap which is integrally arranged on the inner wall of the tube body along a ring shape;
the anti-suck-back flap is made of elastic materials, and when no airflow to the working mobile phone exists, the free end of the annular anti-suck-back flap is closed in a contact manner;
the free end of the anti-reverse suction flap faces one end of the working mobile phone mounting end.
The water gas pipe mounting end and the working mobile phone mounting end are threaded pieces or flange pieces.
The outside cover of body is equipped with the isolation protective sleeve bag.
The utility model has the advantages of as follows:
1. the device is used for correspondingly communicating the pipe body between the external water vapor pipeline and the working mobile phone through the water vapor pipe mounting end and the working mobile phone mounting end in sequence, so that pollutants such as saliva, blood, cutting debris and the like of a patient, which are sucked by negative pressure generated when the working mobile phone stops rotating, can be effectively prevented by means of the anti-reverse suction flap, and further, cross infection caused by the fact that substances capable of absorbing and spreading disease sources in the oral cavity of the patient are sucked into the water vapor pipeline can be prevented.
2. Saves the disinfection time, reduces the aging caused during disinfection, improves the utilization rate of the oral dental chair equipment and prolongs the service life of the oral dental chair equipment.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and the structures, proportions, sizes, etc. shown in the present specification are only used to match the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and any modifications of the structures, changes of the proportion relations, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the functions and the achievable objects of the present invention.
Fig. 1 is a schematic view of the structural state of the embodiment of the present invention during operation;
fig. 2 is a schematic diagram of a structural state after the embodiment of the present invention works.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a pipe body 1, an anti-reverse suction valve 2, a water and gas pipe mounting end 3 and a working mobile phone mounting end 4.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-2, the embodiment of the utility model provides an oral dental chair prevents suck-back device, including body 1, prevent suck-back lamella 2, aqueous vapor pipe installation end 3 and work cell-phone installation end 4, be used for corresponding the intercommunication in proper order with body 1 through aqueous vapor pipe installation end 3 and work cell-phone installation end 4 and locate between outside aqueous vapor pipeline and the work cell-phone, and then can effectively block the patient's saliva of the negative pressure resorption that produces when the work cell-phone stalls with the help of preventing suck-back lamella 2, blood, pollutant such as cutting piece, and then can prevent that the material that can absorb and propagate the pathogen in patient's oral cavity from sucking aqueous vapor pipeline back and arousing cross infection. The specific settings are as follows:
the two ends of the pipe body 1 are respectively fixedly connected with a water-gas pipe mounting end 3 communicated with an external water-gas pipeline and a working mobile phone mounting end 4 communicated with an external working mobile phone; the water gas pipe mounting end 3 and the working mobile phone mounting end 4 can adopt but are not limited to a threaded piece and a flange piece.
The anti-reverse suction flap 2 is integrally arranged on the inner wall of the tube body 1 along the ring shape, the anti-reverse suction flap 2 is made of elastic materials, and when no airflow to a working mobile phone exists, the free end of the ring-shaped anti-reverse suction flap 2 is closed in a contact manner, so that the set function is effectively realized; the free end of the anti-reverse suction flap 2 faces one end of the working mobile phone mounting end 4, so that when the air flow inside the tube body 1 is led to the working mobile phone, the anti-reverse suction flap 2 can be automatically opened under the self elastic action, and when the air flow inside the tube body 1 is sucked back due to negative pressure, the anti-reverse suction flap 2 can be automatically closed under the self elastic action to effectively block the back suction air flow.
Preferably, the pneumatic valve in the anti-suck-back device of the dental chair in the oral cavity can be adjusted and maintained at 0.2-0.25 MPa (2-2.5 kg/cm) according to the material property selected by the anti-suck-back flap 22) Normal operating pressure to this helps preventing that power from causing the car needle rupture too little and power is too strong to produce the noise, arouses that patient's psychology dreads and anxiety, can keep comparatively stable air current simultaneously to pass through, keeps car needle rotational stability, security when improving the operation and guaranteed cutting efficiency.
It should be noted that, the materials used for the tube body 1 and the suck-back prevention flap 2 include, but are not limited to, medical rubber and TPE materials.
When in use, the water-gas pipe mounting end 3 of the pipe body 1 is communicated with a water-gas pipeline, and the working mobile phone mounting end 4 of the pipe body is communicated with a working mobile phone; when the equipment starts to work, the anti-reverse suction valve 2 is opened, and the gas passes through; after the equipment finishes working, the anti-reverse suction flap 2 is automatically closed, and gas can not pass through and flow backwards.
When the next patient uses the device, the anti-suck-back device of the oral dental chair is directly discarded, and the working mobile phone is disinfected, so that cross infection is avoided, and the purpose of controlling hospital feeling is achieved.
Example 2
In embodiment 2, the same reference numerals are given to the same structures as those in embodiment 1, the same description is omitted, and embodiment 2 is improved on the basis of embodiment 1, in which a disposable sterile isolation protection sleeve bag is sleeved outside the pipe body 1, and since a doctor can repeatedly touch the outer side of the water gas system pipeline during operation, the part is also a main medium causing cross infection and needs to be prevented from contacting with a patient, the part which cannot be replaced and disinfected on the water gas system pipeline can be effectively protected by the isolation protection sleeve bag, so that the effect of isolating bacteria is achieved, and the possibility of cross infection is remarkably reduced.
When the protective sleeve is used, the protective sleeve directly slides down to the water and gas pipeline from the outside of the pipe body 1, so that the protective sleeve can be used as a protective device for isolating a water and gas pipeline system.
After the use, the isolation protective sleeve bag is directly discarded along with the anti-suck-back device of the oral dental chair.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279516.5U CN212416278U (en) | 2020-03-09 | 2020-03-09 | Dental chair anti-suckback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279516.5U CN212416278U (en) | 2020-03-09 | 2020-03-09 | Dental chair anti-suckback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212416278U true CN212416278U (en) | 2021-01-29 |
Family
ID=74290840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020279516.5U Expired - Fee Related CN212416278U (en) | 2020-03-09 | 2020-03-09 | Dental chair anti-suckback device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212416278U (en) |
-
2020
- 2020-03-09 CN CN202020279516.5U patent/CN212416278U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |