Oral impression tray capable of preventing mistaken suction and negative pressure

Abstract

The oral cavity impression tray comprises a tray body provided with a tray handle and a tongue-shaped plate, the tray body is provided with a first notch and a second notch which correspond to dentitions on the two sides, and a plurality of blocking strips which are used for blocking impression materials and are of the same structure are arranged on the outer sides of the first notch and the second notch. One side of the first notch is connected with a positive pressure pipe for blowing air to the first notch and the second notch, a first overflow frame and a second overflow frame which are located behind the blocking strip are fixedly arranged on the outer side of the first notch and the outer side of the second notch correspondingly, and one side of the second notch is connected with a negative pressure pipe. The negative pressure pipe is provided with a first suction pipe and a second suction pipe which extend into the first overflow frame and the second overflow frame. According to the utility model, the impression material can be prevented from being mistakenly swallowed and sucked at the throat part, the safety of a patient is ensured, the strong negative pressure formed by ultrahigh adaptation of the tray body and mouth mucosa after the impression material is solidified can be removed, and the tray body is ensured to be smoothly taken out.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity impression technology field especially, relates to a prevent misinspiration prevent negative pressure's oral cavity impression tray. BACKGROUND

[0002] In oral surgery, the correction of teeth, repair is the most common kind of operation at present, in clinic, the production of oral cavity prosthesis usually needs to obtain the model of internal structure of oral cavity, that is, the internal structure of oral cavity needs to be printed model. Oral cavity impression tray is commonly used in orthodontics, repair special oral surgery room appliance, it is used for obtaining patient's tooth model, when impression, generally need to place the impression material in fluid state on the impression tray, then put into the patient's oral cavity, and press to the alveolus, let the impression material fill the oral cavity, after the impression material dries, the oral cavity model of patient can be obtained.

[0003] However, the existing impression process needs to fill the impression material in fluid state in the oral cavity, since the impression material is converted from fluid to solid, so the existing impression tray has two problems: first, when taking the model, the patient's head is backward, the impression material in fluid state is easy to flow to the throat, and during the process of converting to solid state, a very strong foreign body sensation is produced immediately, resulting in model taking failure, and even causing the patient to swallow and misinspiration; second, after the impression material is converted from fluid to solid, since the impression material fills the entire oral cavity and is very close, therefore, when taking out, strong negative pressure is often produced in the oral cavity, resulting in difficulty in taking out the impression, nausea and vomiting, and even sucking the mucosa of the patient, resulting in subcutaneous blood vessel rupture, hematoma and other conditions. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the technical problems that the impression material in fluid state is easy to flow to the throat, causing the patient to swallow and misinspiration, and after the impression material is converted from fluid to solid, strong negative pressure is produced in the oral cavity when taking out, resulting in difficulty in taking out the impression, the utility model provides the following technical scheme.

[0005] The utility model discloses a prevent misinspiration prevent negative pressure's oral cavity impression tray, including the tray handle and the tongue type board who are equipped with the tray body, the tray body is equipped with with two sides the first slot and the second slot who correspond to dentition, the first slot and the second slot outside all are equipped with the structure same for blocking the impression material a plurality of blocking strips, the first slot one side is connected with the positive pressure pipe who blows to the first slot and the second slot, the first slot and the second slot outside are fixed with respectively the first overflow frame and the second overflow frame located the blocking strip rear, the second slot one side is connected with the negative pressure pipe, the negative pressure pipe is equipped with the first suction tube and the second suction tube who extend to the first overflow frame and the second overflow frame.

[0006] As a further technical scheme, the positive pressure pipe is provided with a first blowing pipe corresponding to the first notch and a second blowing pipe corresponding to the second notch.

[0007] As a further technical scheme, the tongue-shaped plate is provided with a fixing plate outside, and the upper and lower sides of the fixing plate are connected to the positive pressure pipe and the negative pressure pipe respectively.

[0008] As a further technical scheme, the blocking strips are fixedly connected to the first notch and the second notch respectively, and the blocking strips are uniformly distributed on the upper and lower sides or the left and right sides.

[0009] As a further technical scheme, the negative pressure pipe is connected to an anti-blocking component away from the blocking strips, and the anti-blocking component is connected to a dental chair strong suction pipe.

[0010] As a further technical scheme, the positive pressure pipe is connected to a dental chair air gun.

[0011] The first notch and the second notch of the tray body are provided with the blocking strips, the blocking strips can prevent the impression material from flowing to the throat, the second notch is connected to the negative pressure pipe, the negative pressure pipe is connected to the first overflow frame and the second overflow frame outside the first notch and the second notch, the impression material overflowing after breaking through the blocking strips can be sucked by negative pressure, the impression material in the throat is prevented from being inhaled or sucked by mistake by the patient, and the safety of the patient is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structure diagram of the oral impression tray of the utility model for preventing mis-suction and negative pressure;

[0013] Figure 2 is another perspective view of the oral impression tray of the utility model for preventing mis-suction and negative pressure;

[0014] Figure 3 is an exploded view of the oral impression tray of the utility model for preventing mis-suction and negative pressure;

[0015] In the figure: 1-tray body; 101-tray handle; 102-tongue plate; 103-first notch; 104-second notch; 2-barrier; 3-negative pressure pipe; 301-first suction pipe; 302-second suction pipe; 4-anti-blocking component; 5-dental chair strong suction pipe; 6-positive pressure pipe; 601-first blowing pipe; 602-second blowing pipe; 7-fixing plate; 8-first overflow frame; 9-second overflow frame. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model. It should be noted that the examples in the utility model and the features in the examples can be combined with each other without conflict.

[0017] In the description of the utility model, it should be understood that the terms "upper", "lower" are based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not to indicate or imply that the devices or elements referred to must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implying the number of the indicated technical features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0018] As Figure 1 shown, the utility model discloses a misinsertion-preventing and negative pressure-preventing oral impression tray, which comprises a tray body 1 provided with a tray handle 101 and a tongue plate 102, after the tray body 1 is filled with impression material, the tray handle 101 is held in hand, and then the tray body 1 can be inserted into the oral cavity of a patient, the tray body 1 is provided with a first notch 103 and a second notch 104 corresponding to the dentition on both sides, and is used for taking the impression of the oral cavity of the patient. The structure of the tray body 1 adopts the prior art, and the detailed structure will not be repeated here.

[0019] In a preferred embodiment, a plurality of barrier bars 2 are arranged on the outer sides of the first notch 103 and the second notch 104, and the barrier bars 2 are fixedly connected to the outer sides of the first notch 103 and the second notch 104, and the plurality of barrier bars 2 are uniformly distributed on the upper and lower sides or the left and right sides, the barrier bars 2 can be made of stainless steel or silicone, as long as they can block the flow of the fluid-like impression material in the first notch 103 and the second notch 104 to the throat, of course, the barrier bars 2 can be integrally formed with the tray body 1, and the utility model does not make special limitation thereto.

[0020] As Figure 2 And Figure 3 As shown in the preferred embodiment, the first notch 103 and the second notch 104 are respectively fixed with the first overflow frame 8 and the second overflow frame 9 behind the barrier strip 2, and when the impression material breaks through the barrier strip 2, it will flow to the first overflow frame 8 and the second overflow frame 9. At this time, the second notch 104 is connected with the negative pressure pipe 3, and the negative pressure pipe 3 can suck the excess impression material in the first overflow frame 8 and the second overflow frame 9, preventing the impression material from blocking the throat.

[0021] Specifically, the negative pressure pipe 3 is connected with the anti-blocking component 4 away from the barrier strip 2, the anti-blocking component 4 is connected with the dental chair strong suction pipe 5, and the dental chair strong suction pipe 5 provides negative pressure for the negative pressure pipe 3. The anti-blocking component 4 adopts the existing structure, the inner cavity of which can collect the fluid-like impression material, and the inner cavity is provided with a filter screen to prevent the impression material from entering the dental chair strong suction pipe 5 and to prevent the solidified impression material from blocking the dental chair. The negative pressure pipe 3 is provided with the first suction pipe 301 and the second suction pipe 302 extending into the first overflow frame 8 and the second overflow frame 9, and when the impression material breaks through the barrier strip 2, the first suction pipe 301 and the second suction pipe 302 can respectively suck the excess impression material in the first overflow frame 8 and the second overflow frame 9, preventing the impression material from being mistakenly swallowed or inhaled by the patient in the throat, and ensuring the safety of the patient.

[0022] In the preferred embodiment, the first notch 103 is connected with the positive pressure pipe 6 for blowing air to the first notch 103 and the second notch 104, the other end of the positive pressure pipe 6 is connected to the dental chair air gun, and the positive pressure pipe 6 is provided with the first blowing pipe 601 corresponding to the first notch 103 and the second blowing pipe 602 corresponding to the second notch 104. The positive pressure pipe 6 can blow air to the first notch 103 and the second notch 104, remove the strong negative pressure formed by the high adhesion of the tray body 1 to the oral mucosa after the impression material solidifies, open the gap at the buccal sulcus and the soft palate tremor line, and easily take out the tray body 1, ensuring the smooth taking out of the tray body 1. It should be known that the outer side of the tongue plate 102 is provided with the fixing plate 7, and the upper and lower sides of the fixing plate 7 are respectively connected to the positive pressure pipe 6 and the negative pressure pipe 3, preventing the positive pressure pipe 6 and the negative pressure pipe 3 from falling off.

[0023] In use, the tray body 1 is first filled with impression material, the medical staff holds the tray handle 101 to put the tray body 1 into the patient's oral cavity, and at the same time, the negative pressure pipe 3 is turned on; the tongue in the patient's oral cavity is placed on the tongue plate 102, the first notch 103 and the second notch 104 correspond to the two sides of the dentition, and the medical staff forces the impression material on the tray body 1 to be pressed on the dentition on both sides of the patient; after the impression material solidifies, the negative pressure pipe 3 is turned off, the positive pressure pipe 6 is started, the negative pressure is eliminated, and the medical staff takes out the formed impression.

[0024] The preferred specific embodiments and examples of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments and examples, and various changes or equivalent replacements can be made within the knowledge range possessed by the person skilled in the art without departing from the concept of the utility model, therefore, the utility model is not limited by the specific embodiments disclosed herein, and all the embodiments falling within the scope of the claims of the application belong to the range protected by the utility model.

Claims

1. A dental impression tray for preventing aspiration and negative pressure, comprising a tray body (1) with a tray handle (101) and a tongue plate (102), wherein the tray body (1) has a first groove (103) and a second groove (104) corresponding to the two lateral dentitions, characterized in that: Both the first slot (103) and the second slot (104) are provided with several barrier strips (2) of the same structure for blocking the molding material. A positive pressure pipe (6) for blowing air into the first slot (103) and the second slot (104) is connected to one side of the first slot (103). A first overflow frame (8) and a second overflow frame (9) located behind the barrier strips (2) are fixedly provided on the outside of the first slot (103) and the second slot (104). A negative pressure pipe (3) is connected to one side of the second slot (104). The negative pressure pipe (3) is provided with a first suction tube (301) and a second suction tube (302) extending into the first overflow frame (8) and the second overflow frame (9).

2. The oral impression tray for preventing aspiration and negative pressure according to claim 1, characterized in that: The positive pressure pipe (6) is provided with a first air blowing pipe (601) corresponding to the first slot (103) and a second air blowing pipe (602) corresponding to the second slot (104).

3. The oral impression tray for preventing aspiration and negative pressure according to claim 1, characterized in that: The tongue-shaped plate (102) is provided with a fixing plate (7) on its outer side, and the upper and lower sides of the fixing plate (7) are respectively connected to the positive pressure pipe (6) and the negative pressure pipe (3).

4. The oral impression tray for preventing aspiration and negative pressure according to claim 1, characterized in that: The barrier strips (2) are fixedly connected to the first slot (103) and the second slot (104) respectively, and a plurality of the barrier strips (2) are evenly distributed vertically or horizontally.

5. The oral impression tray for preventing aspiration and negative pressure according to claim 1, characterized in that: The negative pressure tube (3) is connected to an anti-clogging component (4) on the side away from the barrier strip (2), and the anti-clogging component (4) is connected to a dental chair suction tube (5).

6. The oral impression tray for preventing aspiration and negative pressure according to claim 1, characterized in that: The positive pressure tube (6) is connected to the dental chair jet gun.

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