CN211674670U

CN211674670U - Saliva aspirator with memory function

Info

Publication number: CN211674670U
Application number: CN202020044799.5U
Authority: CN
Inventors: 安莹; 马志伟; 刘玲侠; 童钰鑫; 苗辉; 夏宇
Original assignee: Fourth Military Medical University FMMU
Current assignee: Fourth Military Medical University FMMU
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-10-16
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a saliva aspirator with memory function, when the vacuum pump is opened while installing the saliva aspirator in open mouth, the inside of the saliva aspirator will become negative pressure, through the suction tube, can suck and discharge the filth and liquid medicine in the oral cavity that produce in the oral cavity treatment process from a plurality of saliva suction holes that set up in jaw and lower jaw, the patient's tongue will not disturb the treatment yet, and does not contact the rotating cutter; furthermore, the utility model discloses a saliva aspirator has the shape memory function, can resume original shape rapidly, easy operation, and is with low costs, can effectively improve the travelling comfort of patient when using, therefore it has extensive market prospect.

Description

Saliva aspirator with memory function

Technical Field

The utility model belongs to the field of medical appliances, concretely relates to saliva aspirator with memory function.

Background

The patient's oral cavity can often produce saliva in the process of diagnosing and treating in the department of stomatology, need adopt saliva aspirator to inhale saliva, and current saliva aspirator is a transparent saliva aspirator of plastics, and the head of saliva aspirator is connect with the pipe cap of cross opening, and the afterbody of saliva aspirator leaves the interface of breathing in. The existing saliva suction tube has single function, only has the function of sucking saliva, and can not open the oral cavity of a patient while sucking saliva and sewage.

If the saliva suction device is not used in the oral operation, a patient needs to get up to spit spittle blood in the mouth into the spittoon in the treatment process, so that dirt splashes all around, the environment is easily polluted, and the dirt is inconvenient to clean in the later period; especially for the elderly patients or children, the patients are inconvenient to get up during the treatment process, and the spitting of saliva, bloody stool and spitting are easy to interrupt the examination and treatment work of doctors, so that the examination and treatment effects are influenced.

In addition, in the process of supporting and extracting the oral cavity of a patient, the existing saliva aspirator generally works under a pressure environment due to the occlusion of the teeth of the patient, and if the oral operation time is too long, the saliva aspirator generally deforms after being used once, so that an effective supporting effect cannot be achieved in the next use process, the saliva aspirator fails or the patient feels uncomfortable, and the existing saliva aspirator is complicated in the process of reshaping the shape.

SUMMERY OF THE UTILITY MODEL

To the above defect or improvement demand of prior art, the utility model provides a saliva aspirator with memory function provides a dentistry and uses saliva suction tool, and this instrument only needs to adhere to saliva and sewage in the oral cavity and can inhale row saliva and sewage to can separate tongue cheek mucosa and tooth at the treatment position.

The utility model discloses a solve the design that above-mentioned technical problem adopted and do: a saliva sucker with memory function, when a vacuum pump is turned on while the saliva sucker is installed in an open mouth, the inside of the saliva sucker becomes a negative pressure, and dirt and liquid medicine in the oral cavity generated in the oral treatment process can be sucked and discharged from a plurality of saliva suction holes arranged at the upper jaw and the lower jaw through a suction pipe.

The specific technical scheme is as follows:

a saliva aspirator with memory function comprises a suction tube, a confluence tube, an exhaust tube and a vacuum pump; the suction pipe comprises a first suction pipe and a second suction pipe, the first suction pipe is formed by sequentially connecting a first upper jaw part, a first arc part, a first lower jaw part and a first external part, the second suction pipe is formed by sequentially connecting a second upper jaw part, a second arc part, a second lower jaw part and a second external part, and the tail ends of the first upper jaw part and the second upper jaw part are connected through a connecting part; the tail ends of the first external connection part and the external connection part are connected with one end of a junction pipe, the other end of the junction pipe is connected with an exhaust pipe, and the exhaust pipe performs exhaust and liquid pumping operation through a vacuum pump; the interior of the suction pipe is provided with a shape memory alloy, and the interior of the confluence pipe is provided with a disinfection and filtration device; the disinfection and filtration device comprises disinfection sponge and disinfection gauze; the suction pipe is provided with a plurality of suction holes.

With respect to shape memory alloys: in view of the fact that nickel/titanium alloys have superelastic properties, work hardening properties or shape memory properties, by using these properties alone or in combination, excellent usability and wear resistance can be achieved, and although the nickel-titanium alloy wire depends on the composition ratio, the nickel-titanium alloy wire exhibits superelastic properties when heat treated for a long time in the vicinity of 350 ℃ to 400 ℃ and work hardening properties when heat treated for a short time. Therefore, the elasticity can be easily changed by adjusting the heat treatment condition and the wire diameter, and the portion corresponding to the shape memory alloy located in the maxilla and mandible can be flexed by the heat treatment (e.g., solution treatment) to match the height of the patient's maxilla or mandible ridge. In addition to nickel/titanium alloys, copper-aluminum-nickel alloys such as shape memory alloys, copper-zinc-aluminum alloys, and the like can be used as the shape-retaining wire. In addition, if the oral operation time is too long, the saliva aspirator usually deforms after one-time use, the deformed linear shape memory alloy can be quickly restored to the original shape through a heating means, so that the material cannot be directly reported to be discarded, and the restoring means is very simple; further, when the shape memory alloy is slightly deformed, since the shape is easily restored, the uncomfortable feeling of the patient at the time of attachment can be reduced, the attachment of the suction tube to the oral cavity becomes more reliable, and the usability can be improved.

The material of the suction tube comprises polyvinyl chloride resin, silicone resin, latex rubber, polyamide resin, polyamide elastomer, polyester resin, polyester elastomer, polypropylene resin, polypropylene elastomer and polyethylene. Resins, FEP (tetrafluoroethylene-hexafluoropropylene copolymer resin), PFA (perfluoroalkoxy resin), PTFE (polytetrafluoroethylene resin), PVDF (polyvinyl fluoride), and other fluororesins, ABS resins, polycarbonate resins, polyacetal resins, polyacrylate resins, and the like can be used. In addition, the use of these materials can promote the formation of foam by saliva in the mouth, which has a slight massaging effect when broken, reducing patient discomfort.

Drawings

FIG. 1 is a structural view of a saliva aspirator having a memory function;

reference numerals: the medical device comprises a first upper jaw part 1, a second upper jaw part 2, a first arc part 3, a second arc part 4, a first lower jaw part 5, a second lower jaw part 6, a shape memory alloy 7, a connecting part 8, a converging pipe 9, a disinfection sponge 10, disinfection gauze 11, an exhaust pipe 12, a vacuum pump 13, a suction pipe 14, a first external part 15, a second external part 16 and a suction hole 17

Detailed Description

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. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

A saliva aspirator with memory function comprises a suction tube 14, a confluence tube 9, an exhaust tube 12 and a vacuum pump 13;

the suction pipe 14 is composed of a first suction pipe and a second suction pipe,

the suction pipe I is formed by sequentially connecting a first upper jaw part 1, a first arc part 3, a first lower jaw part 5 and a first external part 15, the suction pipe II is formed by sequentially connecting a second upper jaw part 2, a second arc part 4, a second lower jaw part 6 and a second external part 16, and the tail ends of the first upper jaw part 1 and the second upper jaw part 2 are connected through a connecting part 8;

the tail ends of the first external connection part 15 and the external connection part 16 are connected with one end of the converging pipe 9, the other end of the converging pipe 9 is connected with the exhaust pipe 12, and the exhaust pipe 12 performs exhaust and liquid pumping operation through the vacuum pump 13.

The inside of the suction pipe 14 is provided with a shape memory alloy 7, and the inside of the confluence pipe 9 is provided with a disinfection and filtration device; the disinfection filtering device comprises a disinfection sponge 10 and a disinfection gauze 11;

the suction pipe 14 is provided with a plurality of suction holes 17.

The specific implementation process comprises the following steps:

first, a substantially central portion of the suction pipe 14 is bent double to form a substantially C-shaped locking portion, an upper jaw portion substantially parallel to the connection portion and gently bent so as to be upwardly convex, and a curved arc portion having a curvature substantially the same as that of the upper jaw portion, and after the curved arc portion, gently bent so that a lower jaw portion downwardly convex is sequentially bent, and the shape memory alloy 7 in the suction pipe 14 is inserted upwardly into the upper jaw portion, the arc portion, and the lower jaw portion.

A suction extension part is formed on the suction tube 14 behind the mandible part, and a suction confluence tube 9 which connects both ends of the suction extension part together is connected; several saliva suction holes 17 are formed in the maxilla and mandible at predetermined intervals; the saliva aspirator can also be formed by inserting a suction tube 14 from one end of the shape memory alloy 7, each part of which is pre-bent, and when the saliva aspirator is mounted in the mouth locked to any one of the upper teeth by the connection part, the substantially parallel upper jaw parts are located at both sides of the upper jaw ridge.

At the moment, the top of the first cheek part 1 of the patient is positioned near the boundary of the cheek mucosa and the gingiva, and the top of the second maxilla part 2 is positioned between the palate and the gingiva; the mandible part one 5 continues until the curved arc part is guided out of the oral cavity along the two sides of the mandible ridge; the lowest part of the mandible one 5 on the buccal side of the patient is located at the buccal transition part, and the lowest part of the mandible two 6 is located at the boundary between the oral cavity bottom and the gingiva. The buccal suction external connection part is led out from the oral cavity and exceeds the lower lip, and the end part of the external connection part is led out from the oral cavity through the lower jaw anterior teeth. A vacuum pump 13 is connected to the suction merging pipe 9 through an exhaust pipe 12.

When the saliva sucker is installed in the mouth opened as described above and the vacuum pump 13 is turned on, the saliva sucker becomes a negative pressure and sucks saliva in the upper and lower jaw portions. Starting from the suction hole, saliva is generated by submandibular gland, parotid gland and sublingual gland in the dental treatment process, sewage is generated by oral cavity in the treatment process, and cooling water is injected by a rotary cutter in the tooth cutting process to be sucked and discharged.

At this time, the tongue of the patient and oral organs of the oral mucosa are supported by the maxilla portion, the arc portion, and the mandible portion 7, and can be isolated so as not to approach the tooth portion to be treated, and at the same time, the tongue of the patient does not interfere with the treatment, and does not contact the rotary cutter or the like.

Regarding the effect and recovery means of the shape memory alloy 7: if the oral surgery time is too long, the saliva aspirator usually deforms after one-time use, and the deformed linear shape memory alloy can be quickly restored to the original shape by a heating means, so that the material cannot be directly reported to be abandoned, and the restoring means is very simple; further, when the shape memory alloy is slightly deformed, since the shape is easily restored, the uncomfortable feeling of the patient at the time of attachment can be reduced, the attachment of the suction tube to the oral cavity becomes more reliable, and the usability can be improved.

The material of the suction tube 14 includes polyvinyl chloride resin, silicone resin, latex rubber, polyamide resin, polyamide elastomer, polyester resin, polyester elastomer, polypropylene resin, polypropylene elastomer, polyethylene. Resins, FEP (tetrafluoroethylene-hexafluoropropylene copolymer resin), PFA (perfluoroalkoxy resin), PTFE (polytetrafluoroethylene resin), PVDF (polyvinyl fluoride), and other fluororesins, ABS resins, polycarbonate resins, polyacetal resins, polyacrylate resins, and the like can be used. In addition, the use of these materials can promote the formation of foam by saliva in the mouth, which has a slight massaging effect when broken, reducing patient discomfort.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A saliva aspirator with memory function, its characterized in that: it comprises a suction pipe (14), a converging pipe (9), an exhaust pipe (12) and a vacuum pump (13); the suction pipe (14) comprises a first suction pipe and a second suction pipe, the first suction pipe is formed by sequentially connecting a first upper jaw part (1), a first arc part (3), a first lower jaw part (5) and a first external part (15), the second suction pipe is formed by sequentially connecting a second upper jaw part (2), a second arc part (4), a second lower jaw part (6) and a second external part (16), and the tail ends of the first upper jaw part (1) and the second upper jaw part (2) are connected through a connecting part; the tail ends of the external connection part I (15) and the external connection part are connected with one end of a converging pipe (9), the other end of the converging pipe (9) is connected with an exhaust pipe (12), the exhaust pipe (12) performs exhaust and liquid pumping operation through a vacuum pump (13), a shape memory alloy (7) is arranged inside a suction pipe (14), the shape memory alloy (7) is linear, and a disinfection and filtration device is arranged inside the converging pipe (9); the suction pipe (14) is provided with a plurality of suction holes (17); the disinfection filtering device comprises a disinfection sponge (10) and disinfection gauze (11), wherein the number of the suction holes on the first suction pipe and the second suction pipe is the same, and the suction holes are uniformly arranged on the first maxilla (1), the second maxilla (2), the first mandible (5) and the second mandible (6).