CN213722584U - Annular mouth gag for collecting droplet aerosol - Google Patents

Abstract

The utility model discloses a collect droplet aerial fog annular mouth gag, straw connection, elastic connection support and arc opening support including inside lining up each other, the bilateral symmetry of straw connecting pipe is provided with the elastic connection support, the elastic connection support that the symmetry set up is connected with arc opening support respectively, the one end of straw connecting pipe is provided with negative pressure straw interface, and the other end is provided with big spraying droplet suction inlet, big spraying droplet suction inlet extend in between the elastic connection support that the symmetry set up, the inboard edge of arc opening support is provided with a plurality of little spraying droplet suction inlets. The utility model provides an among the prior art the problem in the easy splash oral cavity of spraying droplet that produces of oral treatment in-process, protected patient and medical personnel's health.

Description

Annular mouth gag for collecting droplet aerosol

Technical Field

The utility model relates to an oral medical treatment technical field specifically is a collect droplet aerial fog annular mouth gag.

Background

When dentists use the dental handpiece to treat patients during dental comprehensive treatment, aerial fog and spray with pathogenic microorganisms generated by high-speed rotary cutting of the handpiece can enter surrounding air, air pollution is caused to the space within 3 m around, and cross infection is easily caused to doctors or nurses. The structure of present oral cavity comprehensive treatment platform itself does not have any collection measure to aerial fog and droplet, and medical personnel can only block inhaling of droplet through wearing gauze mask and face guard, but not only the protective effect is not good, and spraying and droplet still can spread other people in whole treatment consulting room, causes air pollution and personnel cross infection. Therefore, the problem of spraying and spray cannot be solved only from the viewpoint of how to protect oneself, and the problem should also be solved from the source of spraying and spray generation. Therefore, a corresponding device or apparatus has been developed for this problem, but its popularization and use are not ideal for various reasons.

The prior art devices for collecting aerosol and spray generated during the oral dental treatment are as follows:

1) the aerosol collecting system of the dental comprehensive treatment table comprises: as shown in patent CN209790067U, through two or more aerosol collection units, each of the aerosol collection units is respectively communicated with a multi-way joint through a branch pipe, an outlet of the multi-way joint is communicated with a vacuum negative pressure pump through a main pipe, and a dirt tank is communicated with the main pipe. However, the equipment is too complex, heavy and high in price, and is not suitable for large-area popularization.

2) Saliva suction tube with side opening hole: as shown in patent CN110420068A, the side openings with specific size and number are arranged at specific positions of the saliva suction tube with the opening at the end, and the spray generated during the treatment process are absorbed by the arranged side openings, but the device has a small effective absorption range for the spray and the spray, and poor aerosol prevention capability.

3) Multifunctional mouth gag for dental diagnosis and treatment: as shown in patent CN209966616U, the device includes two support sheets for strutting the lip and the link that is located between two support sheets and is connected with two support sheets, fixedly connected with on the support sheet is used for stretching into the oral cavity inhale the saliva head and is used for absorbing the foam inhale the head, inhales the saliva pipe that is connected with the dental chair on inhaling the head, inhales the head and is connected with the foam pipe that is used for connecting the dental chair. The device is too heavy to place in patient's oral cavity, and patient's comfort level is relatively poor, and spraying and droplet clear away the regional limited, and influence doctor's operation sight.

4) Negative pressure centralized blowdown device of aerosol and droplet pollutant in dentistry: as shown in patent CN208799463U, the device includes that the cross section is fan-shaped gas collection post, and the side at the central angle place of gas collection post lower extreme is provided with handle adaptation block, and the fan-shaped circular arc side of gas collection post lower extreme is provided with the negative pressure interface, and gas collection post top surface is provided with top negative pressure collection hole, and the gas collection post side of handle adaptation block top has set gradually two side negative pressure collection holes. The doctor uses the device, the operation is inconvenient, and the absorption range of the spray and the spray is limited.

In summary, the current aerosol collection devices have the following major drawbacks:

1) the aerosol collecting system of the dental comprehensive treatment table is a whole device based on the whole dental treatment chair, the device can have better spraying and droplet processing capacities, but the device has higher production complexity and cost, and is not suitable for large-area popularization and use. And maintenance is not easy.

2) Although the saliva suction tube with the side opening is simple in process and low in cost and can be popularized by a single facer, the saliva suction tube is too small in range of absorbing spray and spray, and the range of generating spray and spray is often large, so that the spray and spray cannot be effectively removed.

3) The mouth gag for multifunctional dental diagnosis and treatment is simple in manufacturing process and low in price, can be used for popularization, but is too complex and heavy in structure, can be easily uncomfortable for a patient when placed in the oral cavity of the patient, and can easily shield the sight of a doctor at the oral cavity due to the fact that the mouth gag is too complex, so that the operation of medical staff is influenced.

4) The negative pressure centralized blowdown device for dental aerosol and droplet pollutants is not beneficial to doctors to operate instruments flexibly because most components are concentrated on hands of the doctors, and because the dental operation is a treatment operated in a small space, the device seriously affects the flexibility of the doctors during operation and may cause unnecessary medical injury to patients.

In summary, the current devices or apparatuses for eliminating and preventing the generation of spray and spray during oral treatment have the following disadvantages: the device is bulky, expensive, complex in construction, interferes with the medical personnel treatment process, is less comfortable for the patient, has limited ability to eliminate spray and droplets, and the like.

Disclosure of Invention

An object of the utility model is to provide a collect droplet aerial fog annular mouth gag aims at solving prior art, and the droplet is collected the problem that the effect is poor, the price is high, the structure is complicated.

The utility model adopts the technical proposal that: the utility model provides a collect droplet aerial fog annular mouth gag, includes inside straw connection, elastic connection support and the arc opening support that link up each other, the bilateral symmetry of straw connecting pipe is provided with the elastic connection support, the elastic connection support that the symmetry set up is connected with arc opening support respectively, the one end of straw connecting pipe is provided with negative pressure straw interface, and the other end is provided with big spraying droplet suction inlet, big spraying droplet suction inlet extend in between the elastic connection support that the symmetry set up, the inboard edge of arc opening support is provided with a plurality of little spraying droplet suction inlets.

Furthermore, the straw connecting pipe is made of a hollow pipe, and the elastic connecting bracket and the arc-shaped opening bracket are formed by bending the hollow pipe.

Furthermore, the hollow tube is made of plastic materials, so that the material meeting the requirements of medical instruments can be used, the materials are convenient to obtain, and the cost is low.

Further, the elastic connecting support and the arc-shaped opening are both C-shaped.

Furthermore, the large spray droplet suction port is circular or inverted trapezoidal, so that the suction of large-particle spray droplets can be improved.

Furthermore, the small spray droplet suction port is arranged at the inner side edge of the arc-shaped opening bracket, so that the suction of spray droplets in the oral cavity is improved.

Furthermore, the arc opening support 5 is integrally C-shaped in cross section and comprises an arc part and an upper plastic sheet and a lower plastic sheet which are used for supporting lips, and a small spray droplet 4 suction port is opened on the inner side wall of the arc opening support and is communicated with the hollow pipe 2 in the arc opening support.

Compared with the prior art, the utility model has the following beneficial technical effect:

(1) the manufacturing process is simple and the price is low: the manufacturing process of the device is similar to that of a conventional mouth gag, the purpose can be achieved only by slightly changing the structure of the mouth gag through ingenious thinking conversion, the simple manufacturing process and the low production cost are beneficial to large-batch and rapid production of the device, the device is widely popularized in all levels of medical units, the device has the value of replacing the existing mouth gag, can be used as a disposable medical product, and is safe, reliable, time-saving and the like.

(2) The spray droplets have large absorption range and good effect: the device replaces traditional mouth gag through annular mode, around the peripheral round of mouth, can the omnidirectional absorb spray droplet, and the absorption scope is bigger to inhale through lug connection on the negative pressure, suction is sufficient, can effectively absorb the spray droplet that the treatment process produced great scope ground.

(3) Simple and light, small in size and light in weight: the device is similar to a conventional mouth gag, can not cause excessive discomfort to a patient, and can ensure the comfort of the patient in the treatment process. Moreover, the device can not shield the sight of medical personnel, and is convenient for finishing the treatment operation.

(4) The interference is less: because the device is placed on the patient during the device, need not medical personnel and carry outward and hold, liberation medical personnel's both hands let medical personnel can nimble operation in the treatment process, have reduced unnecessary medical injury and have reduced medical personnel's work load.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the annular mouth gag for collecting droplet aerosol of the present invention;

FIG. 2 is a schematic structural view of the annular mouth gag for collecting droplet aerosol of the present invention;

FIG. 3 is a schematic cross-sectional view of a large spray droplet suction port of the present invention;

fig. 4 is a schematic structural view of the cross section in the direction a-a of fig. 2 according to the present invention.

Description of reference numerals: 1. a negative pressure suction pipe interface; 2. the device comprises a hollow pipe, 3 parts of a large spray droplet suction port, 4 parts of a small spray droplet suction port, 5 parts of an arc-shaped opening bracket, 6 parts of a straw connecting pipe and 7 parts of an elastic connecting bracket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Specifically, as shown in fig. 1-4, the utility model discloses a collect droplet aerial fog annular mouth gag includes inside straw connecting pipe 6, elastic connection support 7 and the arc opening support 5 that link up each other, and 5 rows of arc opening support's basic functions of mouth gag strut patient's lips, enlarge the oral cavity field of vision, the medical personnel operation of being convenient for. The two sides of the straw connecting pipe 6 are symmetrically connected with elastic connecting brackets 7, preferably, the elastic connecting brackets 7 are connected to the two sides of the middle lower part of the straw connecting pipe 6; the elastic connection support 7 that the symmetry set up is connected with arc opening support 5 respectively, the one end of straw connecting pipe 6 is provided with negative pressure straw interface 1, and the other end is provided with big spraying droplet suction inlet 3, big spraying droplet suction inlet 3 extend in between the elastic connection support 7 that the symmetry set up, the inboard edge of arc opening support 5 is provided with a plurality of little spraying droplet suction inlets 4, and this mouth gag totality presents the annular, easily with the laminating of oral cavity.

Specifically, the negative pressure suction pipe interface 1 is a strong negative pressure suction pipe interface and is used for connecting the device to a strong negative pressure suction pipe matched with a dental treatment chair, and a negative pressure suction force is provided through a treatment chair position opener through the port to absorb spray droplets and discharge the absorbed spray droplets from the port;

wherein, the big spray droplet suction port 3 is used for absorbing spray droplets generated in the dental treatment process, and because a patient lies and sits, more spray droplets can be gathered in the lower oral vestibule, so the big spray droplet suction port is used at the part, and the spray droplets generated in the treatment process can be effectively absorbed;

the straw connecting pipe 6 is made of a hollow pipe 2, the elastic connecting support 7 and the arc-shaped opening support 5 are formed by bending the hollow pipe 2, and a bending forming mode after heating can be specifically used, an opening is formed at the connecting position of the straw connecting pipe 6 and the elastic connecting support 7, the elastic connecting support 7 and the arc-shaped opening support 5 which are formed by bending are fixedly connected to the middle lower part of the straw connecting pipe 6, and the mode of bonding or hot melting welding can be specifically adopted; the hollow pipe 2 is used for providing negative pressure suction for the large spray suction port and the small spray suction port, transmitting the suction generated by the treatment chair to the mouth gag through the interface, and serving as a recovery channel for absorbing spray droplets which flow back to the waste liquid tank through the built-in hollow pipe.

The hollow tube 2 is made of plastic material, and the selected material meets the standard of medical instruments.

The elastic connecting support 7 is C-shaped, and the arc-shaped opening support 5 is C-shaped. Wherein the C type size of elastic connection support 7 is less than the C type size of arc opening support 5, and elastic connection support 7 adopts less size, can produce the elastic deformation of certain degree, when exerting force to arc opening support 5, because the existence of elastic connection support 7, realize reducing the interval between arc opening support 5 easily, guarantee that the support is convenient put into patient's mouth.

As shown in fig. 3, the large spray droplet suction port 3 is circular or inverted trapezoidal, and the circular large spray droplet suction port 3 is directly formed by the shape of the adopted hollow pipe 2, so that large spray droplets can be quickly sucked away; because the generated spray droplets with smaller diameters move to the upper part of the oral cavity of a patient, in order to ensure better suction efficiency, the end part of the hollow pipe 2 used by the large spray droplet suction port 3 is made into an inverted trapezoid, namely the short side is at the lower part, the long side is at the upper part, and the size of the upper part is larger than that of the lower part, so that the suction effect of the spray droplets can be improved.

As shown in fig. 4, in addition to the large spray droplet suction port 3, a plurality of small spray droplet suction ports 4 are further provided on the inner side surface of the arc-shaped open frame 5 in order to further suck the spray droplets from the inside of the mouth of the patient, and specifically, the small spray droplet suction ports 4 are arranged in an array along the inner side edge of the arc-shaped open frame and may be arranged at equal intervals or at unequal intervals.

In order to improve patient's use comfort, the utility model discloses an arc opening support 5's the whole C type that is in cross-section specifically is formed by arc portion and two upper and lower thin slices, wherein arc portion contact oral cavity mucosa and oral cavity skin juncture, and two upper and lower thin slices of arc portion are located oral cavity outside skin and oral cavity inside mucosa respectively and are used for the maintenance mouth gag to can alleviate patient's oral cavity foreign body sensation.

During the use, will be with the strong negative pressure straw that is furnished with on the dentistry treatment chair of negative pressure straw interface connection earlier, reuse elastic connection support 7's elasticity with 5 interval compression of arc opening support back stretch into patient's oral cavity, adjust the position of support in patient's oral cavity, start the negative pressure pump on the treatment chair, spray and aerial fog that produce are siphoned away by big spray suction mouth 3 and little spray suction mouth 4 in dental treatment, guarantee that spray and aerial fog can not leak outside patient's oral cavity.

The mouth gag of the utility model is opened at the corresponding position and directly connected on the negative pressure saliva suction pipe of the dental treatment chair by using the conventional mouth gag,

the utility model discloses replace the opening support of conventional mouth gag with behind the cavity plastic tubing shaping to design the mouth gag and circularize, become the mouth gag that has the negative pressure appeal, because mouth is encircleed to mouth gag opening in-process, combine these two characteristics, the device has formed one protective screen between patient's oral cavity and the external world, and the effectual spraying droplet that has prevented among the treatment process produces. The device is equivalent to the conventional mouth gag in specification and size, does not influence the operation of medical personnel and does not bring too much discomfort to patients, has the advantages of simple manufacturing process, small volume, low price, no influence on the treatment operation of the medical personnel, no excessive discomfort to the patients, large action range, obvious effect of eliminating spray droplets and the like, solves the problem of pollution of the oral spray droplets and supplements the defects of the related devices before. The oral spray is suitable for large-area popularization in oral medical units at all levels, can effectively eliminate spray droplets generated in the oral treatment process to a certain extent, prevents air pollution, and protects patients and medical care personnel.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a collect droplet aerial fog annular mouth gag which characterized in that, includes inside straw connecting pipe (6), elastic connection support (7) and arc opening support (5) that link up each other, the bilateral symmetry of straw connecting pipe (6) is provided with elastic connection support (7), elastic connection support (7) that the symmetry set up are connected with arc opening support (5) respectively, the one end of straw connecting pipe (6) is provided with negative pressure straw interface (1), and the other end is provided with big spraying droplet suction inlet (3), big spraying droplet suction inlet (3) extend in between elastic connection support (7) that the symmetry set up, the inboard edge of arc opening support (5) is provided with a plurality of little spraying droplet suction inlets (4).

2. The aerosol collection annular opener according to claim 1, characterized in that the straw connection tube (6) is made of a hollow tube (2), and the elastic connection bracket (7) and the arc-shaped opening bracket (5) are bent from the hollow tube (2).

3. The annular opener for collecting aerosols as claimed in claim 2, characterized in that the hollow tube (2) is made of plastic material.

4. An annular opener for collecting aerosols as claimed in claim 3, characterized in that the resilient connecting bracket (7) is C-shaped.

5. The aerosol collection annular mouth gag of claim 4, characterized by the arc-shaped opening bracket (5) being C-shaped.

6. An annular mouth gag for a mist of collected spray according to claim 4 characterised by the fact that the large spray-mist suction opening (3) is circular or inverted trapezoidal.

7. An aerosol collecting annular mouth gag according to one of claims 1-6, characterised by the fact that the small spray droplet suction opening (4) is arranged at the inside edge of the arc shaped opening bracket (5).

8. The aerosol collection ring mouth gag of claim 6, characterized by that the arc opening bracket (5) is C-shaped in cross-section as a whole, comprising an arc part and two plastic foils above and below to support the lips, and the small spray droplet suction inlet (4) opens into the inside wall of the arc opening bracket, which communicates with the hollow tube (2) inside the arc opening bracket.

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