CN219782771U

CN219782771U - Improved front tractor

Info

Publication number: CN219782771U
Application number: CN202321016281.0U
Authority: CN
Inventors: 刘永钦; 袁文钧; 郑洁; 杨嘉怡; 蔡子蕙
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-03
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to an improved front tractor, and belongs to the technical field of tooth correction. The front tractor comprises a hook plate and a chin pocket, wherein a plurality of hooks are arranged on the hook plate and used for pulling rubber bands fixedly arranged in the oral cavity of a patient to generate correction force, hanging holes are formed in two ends of the hook plate, and elastic ear hooks are connected in the hanging holes; the chin pocket is detachably connected to the hook plate and is used for being attached to the chin of a human face. The elastic ear hanger passes through the hanging holes arranged at the two ends of the hanging hook plate, and can be tied on the ear part, so that the hanging hook plate is fixed on the face. The wearing mode avoids a plurality of inconveniences brought to patients by the original head-wearing traction device. In actual use, the hook arranged on the hook plate is connected with the rubber band connected with the traction hook of the appliance in the mouth of the patient to generate correction force, the chin pocket below the hook plate is detachably connected with the hook plate, and the chin pocket is attached to the chin of the face, so that the stability can be improved for the fixed use of the device.

Description

Improved front tractor

Technical Field

The utility model relates to the technical field of tooth correction, in particular to an improved front tractor.

Background

An's class III mismatching deformity, commonly known as "inverse jaw", is one of the common three mismatching deformities of the oral cavity, which is manifested by underdevelopment of the upper jaw and/or excessive development of the lower jaw, which can not only reduce the appearance of the patient to be attractive, but also cause great negative effects on the oral function and psychological health of the patient. An anderson class III mismatching deformity is an "emergency" of oral orthopedic treatment, and is to be intervened upon discovery. Anterior distraction is an effective treatment modality for patients with an ambroxol class iii mismatching deformity during the growth and development phase. The device can effectively stimulate the development of the maxilla of a patient, further solve the problem of the imbalance of the maxilla and the mandible, and realize the correction of the inverse jaw.

Most of the existing front traction devices are head hat chin pocket type traction devices, and although the curative effect is good, the existing front traction devices have the following defects. Firstly, the structure is huge and complex, and inconvenience is brought to the wearing of patients; the rod piece structure arranged in the middle of the second surface from top to bottom is easy to interfere with the sight of a patient, so that the patient faces eyes; thirdly, the reserved adjusting rod is longer, and patients or other people are easily injured by mistake. In addition, because the device is attractive, the traditional front traction device is easy to bring mind and mind pressures to the patient of low age, is unfavorable for the physical and psychological development of the patient, and also indirectly influences the curative effect. Therefore, it is necessary to develop a new aesthetic, comfortable and safe anterior traction appliance that improves the existing anterior traction devices.

Disclosure of Invention

The embodiment of the utility model provides an improved front tractor, which aims to solve the problem that in the related art, the traditional traction device is worn to bring inconvenience to a patient.

The embodiment of the utility model provides an improved front tractor, which comprises:

the device comprises a hook plate, wherein a plurality of hooks are arranged on the hook plate and used for pulling rubber bands fixedly arranged in the oral cavity of a patient to generate correction force, hanging holes are formed in two ends of the hook plate, and elastic ear hooks are connected in the hanging holes;

the chin pocket is detachably connected to the hook plate and is used for being attached to the chin of a human face.

In some embodiments, the chin pocket is connected to the hanger plate by a connector.

In some embodiments, the connector is a clasp.

In some embodiments, a shielding plate is detachably connected to one side, far away from the oral cavity, of the hook plate, the shielding plate is of a convex structure, the shielding plate protrudes to one side, far away from the hook plate, and the cross section of the shielding plate is arc-shaped.

In some embodiments, the hook plate is provided with a clamping groove, and the bottom of the shielding plate can be clamped in the clamping groove.

In some embodiments, the chin pocket is provided with a two-layer detachable structure, the outer side of the chin pocket is a hard plate, the inner side of the chin pocket is a flexible gasket, and the hard plate is positioned around the flexible gasket.

In some embodiments, the flexible gasket is a latex gasket, and the flexible gasket is provided with ventilation holes.

In some embodiments, the rigid plate is a plastic plate.

In some embodiments, the hook plate is provided with an elastic neck strap, and a magic tape is adhered on the elastic neck strap for fixing the device and preventing the hook plate from twisting when worn.

In some embodiments, the number of hooks is at least 4.

The technical scheme provided by the utility model has the beneficial effects that:

the embodiment of the utility model provides an improved front tractor, which comprises a hook plate and a chin pocket, wherein a plurality of hooks are arranged on the hook plate and are used for pulling rubber bands fixedly arranged in the oral cavity of a patient to generate correction force, hanging holes are formed in two ends of the hook plate, and elastic ear hooks are connected in the hanging holes; the chin pocket is detachably connected to the hook plate and is used for being attached to the chin of a human face.

The elastic ear hanger passes through the hanging holes arranged at the two ends of the hanging hook plate, and can be tied on the ear part, so that the hanging hook plate is fixed on the face. The simple wearing mode avoids a plurality of inconveniences brought to patients by the original head-wearing traction device. In actual use, the teeth on the upper part of the oral cavity of the patient are provided with correction equipment fixed on the teeth and rubber bands fixedly connected to the correction equipment, and the hooks arranged on the hook plates are connected to the rubber bands connected to the traction hooks of the intraoral correction equipment for generating correction force. Simultaneously, the chin pocket below the hook plate can be detachably connected to the hook plate, and the chin pocket is attached to the chin of a human face, so that the stability can be improved for the fixed use of the device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a rear view of a device structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the shield of FIG. 1;

FIG. 3 is a schematic view of the hook plate of FIG. 1;

fig. 4 is a schematic view of the chin pocket of fig. 1.

Reference numerals:

1. a shielding plate; 2. a hook plate; 3. chin pocket; 4. a hanging hole; 5. an elastic ear hook; 6. a hook; 7. a hard plate; 8. a flexible gasket; 9. an elastic neck strap.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides an improved front tractor which can solve the inconvenience brought to a patient by wearing a traditional traction device in the related technology.

Referring to fig. 1 to 3, an embodiment of the present utility model provides an improved front retractor, comprising: the device comprises a hook plate 2 and a chin pocket 3, wherein a plurality of hooks 6 are arranged on the hook plate 2 and used for pulling rubber bands fixedly arranged in the oral cavity of a patient to generate correction force, hanging holes 4 are formed in two ends of the hook plate 2, and elastic ear hooks 5 are arranged in the hanging holes 4; the chin pocket 3 is detachably connected to the hook plate 2 and is used for being attached to the chin of a human face. The elastic ear hook 5 passes through the hanging holes 4 arranged at the two ends of the hanging hook plate 2, and can be tied on the ear, so that the hanging hook plate 2 is fixed on the face.

The simple wearing mode avoids a plurality of inconveniences brought to patients by the original head-wearing traction device. In actual use, the teeth on the upper part of the oral cavity of a patient are provided with correction equipment fixed on the teeth and rubber bands fixedly connected to the correction equipment, and the hooks 6 arranged on the hook plate 2 are connected with the rubber bands connected to the traction hooks of the intraoral appliance of the patient to generate correction force. Simultaneously, the chin pocket 3 of couple board 2 below can dismantle and connect on couple board 2, and the laminating of chin pocket 3 is in the people's face chin portion, can improve stability for the fixed use of device.

Under some use conditions, the number of the hooks 6 is at least 4, so that traction requirements in different directions can be met, and the force control for correction is facilitated. Under some use conditions, the appliance fixed in the oral cavity of the patient is provided with two traction hooks which respectively drag one end of the rubber band, and the other end of the rubber band is connected to the hook 6 in a surrounding manner so as to ensure the correction efficiency. In use, 5 or 6 or even more hooks can be arranged according to actual conditions, so that the aim of correcting is fulfilled, and the strength of correcting force is better controlled.

Referring to fig. 1, the embodiment of the utility model provides an improved front tractor, wherein a chin pocket 3 is connected with a hook plate 2 through a connecting piece. The connector may be a clasp. The hook plate 2 and the chin pocket 3 are connected and fixed in a buckling mode, so that the structure is simple, the clamping and the disassembly are convenient, and the use of a patient is convenient.

Referring to fig. 1 and 2, an embodiment of the present utility model provides an improved front tractor, wherein a shielding plate 1 is detachably connected to a side of a hook plate 2 away from an oral cavity, the shielding plate 1 has a convex structure, the shielding plate 1 protrudes to a side away from the hook plate 2, and a cross section of the shielding plate 1 is in a circular arc shape. The shielding plate 1 can shield the upper part of the oral cavity of a patient, improve the aesthetic property of wearing the tractor by the patient and lighten the psychological burden of the patient. Generally, the chin pocket 3 and the hook plate 2 are sequentially arranged from the oral cavity of a patient to the outside, and the shielding plate 1 is positioned on one side, far away from the oral cavity, of the hook plate 2 and can shield the oral cavity of the patient.

In the day, the patient often needs to wear the tractor for a long time, and for younger children, the aesthetic property is not enough when traditional place ahead tractor wears, causes the self mental of child easily, and for the treatment of growing development period III class of ann mismatching deformity, it is crucial to wear the tractor, therefore with this kind of gauze mask formula tractor, replace traditional wear the tractor, can avoid the person's emergence to reject the mind to can improve the security when wearing.

Meanwhile, in use, cartoon patterns can be arranged on the shielding plate 1, so that the acceptance of children is improved, and the rejection psychology of the children is reduced.

Under some use cases, the clamping groove is formed in the hook plate 2, the bottom of the shielding plate 1 can be clamped in the clamping groove, hooks on the hook plate 2 and the oral cavity of a patient are shielded, clamping and dismounting of the shielding plate 1 are facilitated, and the use efficiency of the device is improved.

Referring to fig. 4, the embodiment of the utility model provides an improved front tractor, wherein a chin pocket 3 is provided with a two-layer detachable structure, the outer side of the chin pocket is provided with a hard plate 7, the inner side of the chin pocket is provided with a flexible gasket 8, and the hard plate 7 is positioned around the flexible gasket 8. In actual use, the hard plate 7 is a plastic plate, the stability of the structure is improved, the flexible gasket 8 is a latex gasket, and the flexible gasket 8 is provided with ventilation holes. The latex gasket has good hygroscopicity and bacteriostasis, and the gasket is provided with honeycomb small holes to increase air permeability, so that the comfort of a patient during wearing can be improved.

Referring to fig. 1, the embodiment of the utility model provides an improved front tractor, an elastic neck strap 9 is arranged on a hook plate 2, and a magic tape is adhered on the elastic neck strap 9 and used for fixing a device, so that the rotation of the device during wearing is prevented, the overall stability of the device can be improved, and the twisting or tilting of the device caused by shaking of the head of a patient during wearing is prevented.

When the device is used, the chin pocket 3 is connected with the hook plate 2, the elastic ear hook 5 and the elastic neck strap 9 are worn, after the rubber band arranged in the oral cavity of a patient is connected to the hook 6, the shielding plate 1 is clamped into the clamping groove formed in the hook plate 2, correction is carried out under the combined action of the chin pocket 3, the elastic ear hook 5, the rubber band and the elastic neck strap 9, the elastic neck strap 9 surrounds the neck of the patient, and the device is used for fixing the device and preventing the device from rotating due to traction of the rubber band.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An improved front retractor, comprising:

the device comprises a hook plate (2), wherein a plurality of hooks (6) are arranged on the hook plate and used for pulling rubber bands fixedly arranged in the oral cavity of a patient to generate correction force, hanging holes (4) are formed in two ends of the hook plate (2), and elastic ear hooks (5) are connected in the hanging holes (4);

the chin pocket (3), the detachable connection of chin pocket (3) in couple board (2) is used for laminating in the people's face chin portion.

2. An improved front retractor according to claim 1 wherein:

the chin pocket (3) is connected with the hook plate (2) through a connecting piece.

3. An improved front retractor according to claim 2 wherein:

the connecting piece is a buckle.

4. An improved front retractor according to claim 1 wherein:

one side of the hook plate (2) far away from the oral cavity is detachably connected with a shielding plate (1), the shielding plate (1) is of a convex structure, the shielding plate (1) protrudes towards one side far away from the hook plate (2), and the cross section of the shielding plate (1) is arc-shaped.

5. The improved front retractor of claim 4 wherein:

the hook plate (2) is provided with a clamping groove, and the bottom of the shielding plate (1) can be clamped in the clamping groove.

6. An improved front retractor according to claim 1 wherein:

the chin pocket (3) is of a two-layer detachable structure, the outer side of the chin pocket is a hard plate (7), the inner side of the chin pocket is a flexible gasket (8), and the hard plate (7) is positioned around the flexible gasket (8).

7. The improved front retractor of claim 6 wherein:

the flexible gasket (8) is a latex gasket, and ventilation holes are formed in the flexible gasket (8).

8. An improved front retractor according to claim 6 or 7 wherein:

the hard plate (7) is a plastic plate.

9. An improved front retractor according to claim 1 wherein:

the hook plate (2) is provided with an elastic neck strap (9), and the elastic neck strap (9) is adhered with a magic tape for fixing the device and preventing the hook plate from twisting when being worn.

10. An improved front retractor according to claim 1 wherein:

the number of the hooks is at least 4.