Lower jaw tray

By designing an adjustable mandibular tray, the problem of traditional trays being unable to adapt to the different mandibular and dental shapes of patients is solved, achieving precise fit and improved comfort.

CN223601557UActive Publication Date: 2025-11-28SICHUAN ELECTRIC POWER HOSPITAL
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Patent Information

Application Number
CN202422887009.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-28
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Traditional mandibular trays have a fixed size and cannot be flexibly adjusted according to the patient's mandibular size and tooth height, resulting in an inability to fit the patient closely and affecting the effectiveness of use.

Method used

A mandibular tray was designed, comprising a tray body, an extension plate, an anterior plate, and a posterior plate. The tray is flexibly adjustable through adjustment and positioning components, including sliding the extension plate and adjusting the height of the anterior and posterior plates, to adapt to the mandibular and dental morphology of different patients.

Benefits of technology

It enables precise adjustment and fixation of the tray, ensuring a close fit to the patient's jaw and teeth, thus improving applicability and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of dentistry, particularly relates to a lower jaw tray, and aims to solve the problems that the size of the conventional lower jaw tray is fixed and the conventional lower jaw tray cannot be flexibly adjusted according to the lower jaw size and the tooth height of a patient. Two extending plates are arranged in the tray body in a sliding mode and used for expanding the use range of the tray body, a set of adjusting assemblies are arranged between the two extending plates and the tray body, and the adjusting assemblies are used for adjusting the two extending plates. The front tooth plate and the two rear tooth plates slide in the tray main body and are used for expanding the height of the tray main body, three groups of positioning assemblies are arranged in the tray main body, and the three positioning assemblies are respectively used for adjusting the heights of the front tooth plate and the two rear tooth plates; by sliding the extension plate, the front dental plate and the rear dental plate, the use range and height of the tray main body can be flexibly adjusted to adapt to the lower jaw sizes and tooth heights of different patients, and the applicability and comfort of the tray are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dental technology field especially, relate to a lower jaw tray. BACKGROUND

[0002] The lower jaw tray is designed to support and fix the lower jaw and the teeth or dentures thereon.

[0003] The conventional lower jaw tray is often fixed in size and cannot be flexibly adjusted according to the size of the lower jaw and the height of the teeth of the patient, which results in that the tray cannot closely fit the lower jaw and the teeth of the patient and affects the use effect. Therefore, a lower jaw tray capable of flexibly adjusting the size and the height to adapt to different patient needs is needed. SUMMARY

[0004] The utility model discloses a lower jaw tray to solve the shortcoming that the conventional lower jaw tray is often fixed in size and cannot be flexibly adjusted according to the size of the lower jaw and the height of the teeth of the patient in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A lower jaw tray, comprising a tray body;

[0007] Among them, two extension plates are slidably arranged in the tray body, and the two extension plates are used to expand the use range of the tray body.

[0008] A front tooth plate and two back tooth plates are slidably arranged in the tray body to expand the height of the tray body.

[0009] In a possible design, each set of positioning components comprises two sliding grooves formed in the tray body, and a same connecting plate is slidably arranged in the two sliding grooves.

[0010] In a possible design, each set of positioning components further comprises a scale table formed on the surface of the front tooth plate.

[0011] In a possible design, the maximum adjustment length of the front tooth plate is 1cm.

[0012] In a possible design, the maximum adjustable length of the two rear tooth plates is 0.5 cm.

[0013] In a possible design, each positioning assembly comprises a limiting slot formed in the tray body, a limiting slide column sliding in the limiting slot, the limiting slide column being fixed to the bottom end of the extension plate, a threaded groove being formed in the limiting slide column, and a bolt being threadedly connected in the threaded groove, the side end of the bolt being fixed with a limiting plate in extrusion contact with the bottom end of the tray body.

[0014] In the application, two extension plates slide in the tray body, the extension of the extension plate can be actuated by loosening the limiting plate to release the extrusion of the bottom end of the tray body, the height of the outer side of the tray body can be adjusted, the V-shaped elastic sheet is opened by moving the two limiting rods in the direction away from each other, the V-shaped elastic sheet is opened to leave the positioning slot, the connecting plate can be actuated to slide, thereby driving the height adjustment of the front tooth plate, after adjustment, the extrusion of the two limiting rods is released, the V-shaped elastic sheet is reset to return to the positioning slot, the connecting plate is positioned, the front tooth plate is positioned after moving, the adjustment mode of the rear tooth plate is the same as that of the front tooth plate, the maximum adjustable distance of the front tooth plate is 1 cm, and the maximum adjustable distance of the two rear tooth plates is 0.5 cm.

[0015] Beneficial effects: in the application, the lower jaw tray can flexibly adjust the use range and height of the tray body through the sliding extension plate, the front tooth plate and the rear tooth plate, so as to adapt to the lower jaw size and tooth height of different patients, and improve the applicability and comfort of the tray.

[0016] In the application, the precise adjustment and fixation of the extension plate, the front tooth plate and the rear tooth plate can be realized through the design of the positioning assembly and the adjustment assembly, so that the tray can be closely attached to the lower jaw and teeth of the patient, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A front view of the lower jaw tray is provided in the application;

[0018] Figure 2 A bottom view of the lower jaw tray is provided in the application;

[0019] Figure 3 A partial exploded view of the lower jaw tray is provided in the application;

[0020] Figure 4 A partial sectional view of the lower jaw tray is provided in the application.

[0021] In the figure: 1, tray body; 2, front tooth plate; 3, rear tooth plate; 4, sliding groove; 5, connecting plate; 6, positioning groove; 7, scale; 8, extension plate; 9, limiting groove; 10, limiting plate; 11, threaded groove; 12, limiting slide column; 13, bolt; 14, first groove; 15, second groove; 16, limiting rod; 17, V-shaped elastic sheet. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Embodiment 1: refer to Figures 1-4 A mandibular tray is applied in the field of dental technology, comprising a tray body 1, two extension plates 8 are slidably arranged in the tray body 1, and the two extension plates 8 are used to expand the use range of the tray body 1 to adapt to the sizes of the lower jaws of different patients. A set of adjusting assemblies is arranged between the two extension plates 8 and the tray body 1, the adjusting assemblies are used to adjust the positions of the two extension plates 8, and ensure that the tray body 1 can closely fit the lower jaw of the patient.

[0024] A front tooth plate 2 and two rear tooth plates 3 are also slidably arranged in the tray body 1, and the front tooth plate 2 and the two rear tooth plates 3 are used to expand the height of the tray body 1 to adapt to the tooth height of different patients. Three sets of positioning assemblies are arranged in the tray body 1, and the three sets of positioning assemblies are respectively used to adjust the height of the front tooth plate 2 and the two rear tooth plates 3, and ensure that the tray can accurately cover the teeth of the patient.

[0025] Each set of positioning assemblies comprises two sliding grooves 4 arranged in the tray body 1, a connecting plate 5 is slidably arranged in the two sliding grooves 4, and the front tooth plate 2 is fixed to the side end of the connecting plate 5. A plurality of positioning grooves 6 are arranged on the surface of the tray body 1, a first groove 14 is arranged in the connecting plate 5, four second grooves 15 are arranged in the first groove 14, two limiting rods 16 are slidably arranged in the four second grooves 15, and a V-shaped elastic sheet 17 is fixed to the surface of the two limiting rods 16. The V-shaped elastic sheet 17 is respectively clamped with the corresponding positioning groove 6, the connecting plate 5 and the front tooth plate 2 are fixed through the clamping of the V-shaped elastic sheet 17 and the positioning groove 6, and thus the height of the front tooth plate 2 is adjusted.

[0026] Each set of positioning assemblies further comprises a scale 7 arranged on the surface of the front tooth plate 2, the adjusting height of the front tooth plate 2 can be directly read through the scale 7, and the accuracy of adjustment is improved.

[0027] In the embodiment, the maximum adjustment length of the front tooth plate 2 is 1cm, and the maximum adjustment length of the two rear tooth plates 3 is 0.5cm, which can adapt to the tooth height of different patients and improve the applicability and comfort of the tray.

[0028] Embodiment 2: Reference Figures 1-4 On the basis of Embodiment 1, the positioning assembly of each set of adjustment extension plate 8 comprises a limiting slot 9 opened in the tray body 1, a limiting slide column 12 sliding in the limiting slot 9, and the limiting slide column 12 is fixed to the bottom end of the extension plate 8. A threaded groove 11 is opened in the limiting slide column 12, a bolt 13 is threadedly connected in the threaded groove 11, and a limiting plate 10 in extrusion contact with the bottom end of the tray body 1 is fixed to the side end of the bolt 13. By rotating the bolt 13, the limiting plate 10 can be pushed into close contact with the bottom end of the tray body 1, so as to fix the extension plate 8 and adjust the position of the extension plate 8.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mandibular tray characterized by, Include: Tray body (1); Wherein, the tray body (1) slides within two extension plates (8), two said extension plates (8) are used to expand the use range of tray body (1), a set of adjusting components is arranged between two said extension plates (8) and tray body (1), the adjusting component is used for adjusting two extension plates (8); Front tooth plate (2) and two rear tooth plates (3), the front tooth plate (2) and two rear tooth plates (3) slide within the tray body (1) for expanding the height of the tray body (1), the tray body (1) is provided with three sets of positioning components, three said positioning components are used for adjusting the height of front tooth plate (2) and two rear tooth plates (3) respectively.

2. A mandibular tray according to claim 1, wherein, Each set of said positioning components includes two slide grooves (4) opened in the tray body (1), the same connecting plate (5) slides within two said slide grooves (4), the front tooth plate (2) is fixed to the side end of the connecting plate (5), the surface of the tray body (1) is provided with a plurality of positioning grooves (6), the first recess (14) is opened in the connecting plate (5), the four second recesses (15) are opened in the first recess (14), two limit rods (16) slide within four said second recesses (15), the same V-shaped elastic sheet (17) is fixed to the surface of two limit rods (16), the V-shaped elastic sheet (17) is respectively connected with the corresponding positioning groove (6).

3. A mandibular tray according to claim 2, wherein, Each set of said positioning components further includes a scale table (7) opened on the surface of the front tooth plate (2).

4. A mandibular tray according to claim 2, wherein, The maximum adjustment length of the front tooth plate (2) is 1cm.

5. A mandibular tray according to claim 4, wherein, The maximum adjustment length of two said rear tooth plates (3) is 0.5cm.

6. A mandibular tray according to any one of claims 1-3, wherein, Each set of said positioning components includes a limiting groove (9) opened in the tray body (1), a limiting slide column (12) slides within the limiting groove (9), the limiting slide column (12) is fixed to the bottom end of the extension plate (8), a threaded groove (11) is opened in the limiting slide column (12), a bolt (13) is threadedly connected within the threaded groove (11), the side end of the bolt (13) is fixed with a limiting plate (10) which is extrudedly contacted with the bottom end of the tray body (1).