CN212416278U - Anti-suck-back device for dental chair - Google Patents

Anti-suck-back device for dental chair Download PDF

Info

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
suck
mounting end
mobile phone
dental chair
pipe body
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
Application number
CN202020279516.5U
Other languages
Chinese (zh)
Inventor
孙二灿
黎昌学
董双双
赵格
朱慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shihezi University
Original Assignee
Shihezi University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shihezi University filed Critical Shihezi University
Priority to CN202020279516.5U priority Critical patent/CN212416278U/en
Application granted granted Critical
Publication of CN212416278U publication Critical patent/CN212416278U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The utility model discloses an anti-suck-back device of an oral dental chair, which belongs to the technical field of oral medicine. The anti-suck-back device 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. The device is used for corresponding the intercommunication in proper order with the body through trachea installation end and work cell-phone installation end and locates 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 the suck-back lamella, blood, pollutant such as cutting piece, and then can prevent that the material that can absorb and spread the pathogen in patient's oral cavity from inhaleing aqueous vapor pipeline and arouse cross infection, the disinfection time has been practiced thrift and the ageing that causes when having reduced the disinfection, improve oral cavity dental chair equipment utilization and rate and life.

Description

Anti-suck-back device for dental chair
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)

1. Anti-suck-back device of oral dental chair, its characterized in that: the anti-suck-back device comprises a pipe body, an anti-suck-back module, a water and gas pipe mounting end and a working mobile phone mounting end; wherein the content of the first and second substances,
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.
2. The anti-suck-back device of the oral dental chair as claimed in claim 1, wherein the anti-suck-back module is an anti-suck-back flap integrally formed 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.
3. The anti-suck-back device for the oral dental chair as claimed in claim 1, wherein the water and air pipe mounting end and the working handpiece mounting end are both threaded members or flange members.
4. The anti-suck back device of the oral dental chair as claimed in claim 1, wherein an isolation protective covering bag is sleeved outside the tube body.
CN202020279516.5U 2020-03-09 2020-03-09 Anti-suck-back device for dental chair Expired - Fee Related CN212416278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020279516.5U CN212416278U (en) 2020-03-09 2020-03-09 Anti-suck-back device for dental chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020279516.5U CN212416278U (en) 2020-03-09 2020-03-09 Anti-suck-back device for dental chair

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 Anti-suck-back device for dental chair

Country Status (1)

Country Link
CN (1) CN212416278U (en)

Similar Documents

Publication Publication Date Title
US20050175961A1 (en) Backflow prevention sleeve for suctioning devices
CN207379034U (en) A kind of medical staff air curtain protective device of anti-aleopation
CN111165940A (en) Mask based on ultraviolet and photocatalyst sterilization
Teanpaisan et al. The usefulness of the modified extra‐oral vacuum aspirator (EOVA) from household vacuum cleaner in reducing bacteria in dental aerosols
CN212416278U (en) Anti-suck-back device for dental chair
CN212416204U (en) Disposable negative pressure isolation hood
CN205108127U (en) Closed sick bed suitable for infect patient
CN204618446U (en) The adaptor of a kind of dental degerming deaeration colloidal sol hydrosol and dental handpiece
CN201208353Y (en) Closed medical nursing bed
CN104739524A (en) Dental adapter for degerming and removing collssol and hydrosol and dental handpiece
CN213208159U (en) Movable negative pressure pipeline air purification and disinfection processing unit
CN212410616U (en) Take full-automatic luminous immunoassay appearance of air disinfection function
CN204319362U (en) With the sputum aspirator of plasma air purifying device
CN212224770U (en) Special diagnosis and treatment room for infectious diseases
CN210988377U (en) Protective clothing for infectious disease of respiratory system
CN111772845A (en) External suction mask
CN1579354A (en) Fully-enclosed medical nursing bed
CN111631883A (en) Disposable negative pressure isolation hood
CN215765541U (en) Device for preventing respiratory infectious disease infection in stomatology department
CN212973132U (en) External suction mask
CN2892033Y (en) Full sealing treating bedcover for infections disease patient
CN205760203U (en) A kind of spittle aerosol processing system
CN204744750U (en) Be applied to exhaust apparatus that airs exhaust of infection branch of academic or vocational study patient bed
CN211882355U (en) Protective mask storehouse is diagnose in oral cavity
CN216835433U (en) Sterilization dustbin

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210129

CF01 Termination of patent right due to non-payment of annual fee