CN219166711U - Front tooth traction device - Google Patents

Abstract

The utility model discloses an anterior tooth traction device which comprises a first fixing piece, an adjusting piece and a second fixing piece which are sequentially connected. The first fixing piece is used for fixing the adjusting piece and the second fixing piece on the skull, and the second fixing piece is used for connecting the teeth to be pulled. At this time, the adjusting piece is used for adjusting the distance between the first fixing piece and the second fixing piece, so that the second fixing piece pulls the teeth to be pulled to a proper position. The front tooth traction device provided by the utility model has a simple structure and a small volume, and can be used for traction of small bones of a single tooth or two teeth. In addition, when the anterior tooth traction device provided by the utility model is used, the traction direction is determined according to the three-dimensional model data of the skull of the patient, so that personalized customization is realized, and the treatment effect is good and stable.

Description

Front tooth traction device

Technical Field

The utility model relates to the technical field of medical devices, in particular to an anterior tooth traction device.

Background

Tooth deformity, decayed teeth and periodontitis are listed as three common diseases of the oral cavity, on one hand, the tooth deformity can affect the beauty, and on the other hand, other oral diseases such as periodontitis and the like can be caused by abnormal occlusion of teeth, so that the health of a patient is affected. At the same time, tooth deformity also severely affects social and work, especially teenagers and children, often becoming spelt from being jeer by students or buddies, affecting the mental health of the child. Therefore, people have a clean and beautiful tooth, and more people attach importance to the tooth, and more people perform orthodontic correction on the tooth.

The external part is used for pulling the teeth to the target position, so that the method is a common orthodontic means and is suitable for clinical symptoms such as insufficient eruption of the dental crowns, tooth incarceration caused by wounds, tooth implantation and the like. However, such orthodontic means cannot be used for some cases where there is an inability to move teeth, such as adhesion of the root to the alveolar bone, swelling of the root canal bone islands, etc.

In this case, it is conceivable to incise a small alveolar bone surrounding the tooth and then to perform distraction osteogenesis. However, the conventional distractors mostly have the following problems, thereby making them unavailable for distraction of small alveolar bones:

1. the size is larger, small bones of a single tooth or two teeth cannot be pulled, and the sizes are not matched;

2. when the alveolar bone is pulled, the pulling direction is difficult to control accurately, and the treatment effect is poor;

3. the retractor is difficult to accurately place, and a small deviation of the final curative effect can generate larger errors.

Therefore, how to improve the technical defects existing in the prior art is a problem to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide an anterior tooth traction device which has a simple structure and a small volume and can be used for traction of small bones of a single tooth or two teeth.

The technical scheme provided by the utility model is as follows:

an anterior tooth distraction device comprising:

the first fixing piece, the adjusting piece and the second fixing piece are connected in sequence;

the first fixing piece is used for fixing the adjusting piece and the second fixing piece to the skull;

the second fixing piece is used for being connected with teeth to be pulled;

the adjusting piece is used for adjusting the distance between the first fixing piece and the second fixing piece, so that the second fixing piece can pull the teeth to be pulled to a proper position.

In some embodiments, the adjusting member includes a first connecting portion for connecting the first fixing member, a first connecting rod disposed below the first connecting portion, and a slider and an operating portion slidably sleeved on the first connecting rod;

the side wall of the sliding block is provided with a second connecting rod, the second connecting rod extends to the position of the tooth to be pulled, and the second fixing piece is fixed at the position of the second connecting rod corresponding to the tooth to be pulled;

the operation part can be operated to drive the sliding block to move along the length direction of the first connecting rod, so that the second connecting rod and the second fixing piece fixed on the second connecting rod are driven to move, and teeth to be pulled are driven to move.

In some embodiments, an end of the second link remote from the slider is parallel to a tooth surface of the tooth to be pulled.

In some embodiments, the sliding block comprises a first split body and a second split body, the first split body and the second split body are fixedly connected through a third connecting rod, and a gap is formed between the first split body and the second split body for placing the operation part;

the first connecting rod is provided with external threads, the operating part is a nut provided with internal threads, and the operating part can be operated to move to a certain position of the first connecting rod through threaded fit, so that the first split body and the second split body are driven to move to a certain position.

In some embodiments, the second connecting rod is fixed to the second split, and the slider, the second connecting rod, and the second fixing member are integrally formed.

In some embodiments, the outer side wall of the operating portion is provided with a plurality of adjusting holes uniformly distributed around the operating portion at intervals.

In some embodiments, the first fixing member includes a fixing piece and a second connecting portion for connecting the adjusting member;

the fixing piece is provided with at least one fixing hole, and the fixing piece is fixed on the skull by the fastening piece through the fixing hole.

In some embodiments, the fixing piece and the second connecting portion are disposed at an angle.

In some embodiments, the number of the fixing holes is two, and the fixing holes are respectively positioned at two opposite ends of the fixing piece; a kind of electronic device with high-pressure air-conditioning system

The fixing piece and the fastening piece for fixing the fixing piece are made of titanium alloy.

In some embodiments, the first securing member is hinged to the adjustment member;

and/or

The first fixing piece, the adjusting piece and the corner of the second fixing piece are in arc transition.

The utility model has the technical effects that:

1. in this patent, through setting up the regulating part, make it can adjust the distance between first mounting and the second mounting, will wait to pull the tooth to the suitable position until the second mounting, convenient operation and simple structure are favorable to manufacturing. Simultaneously, every wait to pull its specific traction direction of tooth different, the anterior tooth draw gear volume that this patent provided is less relatively, and only the second mounting is connected in waiting to pull the tooth, can realize the orthodontic traction of single tooth, and the treatment is better, more stable. In contrast, when two adjacent teeth need orthodontic traction, the front tooth traction device provided by the patent can be used for traction on the small bones connected with two teeth, orthodontic traction can be carried out on the two teeth respectively, and the treatment effect is better and more stable.

2. In this patent, through set up the external screw thread at first connecting rod lateral wall to set up the operating portion into the nut, make the position of operating portion on first connecting rod is adjusted to user's accessible rotation operating portion, thereby adjust the position of slider and second connecting rod, and then adjust the second mounting and connect in the position of the tooth of second mounting, convenient operation, swift. Meanwhile, the distance between the first fixing piece and the second fixing piece is adjusted through the cooperation between the threads, fine adjustment is facilitated for users, and the treatment effect is better.

3. In this patent, the operating portion lateral wall is equipped with the regulation hole, and the user can insert this regulation hole with bolt or screwdriver to drive the operating portion and rotate, it is more convenient to adjust.

4. In this patent, the quantity of fixed orifices is two, and is located the both ends that the stationary blade is relative respectively, can confirm the position of stationary blade accurately for the stationary blade does not take place the skew in the course of treatment. This kind of setting is when guaranteeing the steadiness of stationary blade, restricts the fastener quantity that will need to minimum, simple structure, and the installation of being convenient for and with low costs.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a schematic perspective view of an anterior traction device according to the present utility model in one state;

FIG. 2 is a schematic perspective view of the front tooth traction device in another state;

FIG. 3 is a schematic diagram of the operation of the anterior traction device provided by the present utility model;

FIG. 4 is a schematic perspective view of the anterior traction device of the present utility model in yet another state;

FIG. 5 is a schematic perspective view of a first fixing member according to the present utility model;

FIG. 6 is a schematic perspective view of an adjusting member and a second fixing member according to the present utility model;

FIG. 7 is a partial cross-sectional view of an adjustment member and a second securing member provided by the present utility model;

fig. 8 is an enlarged schematic view at a shown in fig. 7.

Reference numerals illustrate:

100. a first fixing member; 110. a fixing piece; 111. a fixing hole; 120. a second connecting portion;

200. an adjusting member; 210. a first connection portion; 220. a first link; 230. a slide block; 231. a first split; 232. a second split; 233. a third link; 240. an operation unit; 241. an adjustment aperture; 250. a second link;

300. and a second fixing member.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; 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 will be understood in specific cases by those of ordinary skill in the art.

In the embodiment shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various components of the utility model are not absolute but relative. These descriptions are appropriate when the components are in the positions shown in the drawings. If the description of the location of these components changes, then the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

According to an embodiment of the present utility model, referring to fig. 1 to 8, an anterior traction device may include a first fixing member 100, an adjusting member 200, and a second fixing member 300 sequentially connected. The first fixing member 100 is used for fixing the adjusting member 200 and the second fixing member 300 to the skull, the second fixing member 300 is used for connecting the teeth to be pulled, and the adjusting member 200 is used for adjusting the distance between the first fixing member 100 and the second fixing member 300, so that the second fixing member 300 pulls the teeth to be pulled to a proper position.

In this embodiment, by setting the adjusting member 200, the distance between the first fixing member 100 and the second fixing member 300 can be adjusted until the second fixing member 300 pulls the tooth to be pulled to a proper position, which is convenient to operate and simple in structure, and is beneficial to production and manufacture.

Generally, the specific traction direction of each tooth to be traction is different, so the front tooth traction device provided in the embodiment has smaller volume, and only the second fixing piece 300 is connected to the tooth to be traction, so that orthodontic traction of a single tooth can be realized, and the treatment effect is better and more stable.

In contrast, referring to fig. 1 and 2, when two adjacent teeth need orthodontic traction, the front tooth traction device provided by the embodiment can be used for traction of the small bones connected with the two teeth, and orthodontic traction can be performed on the two teeth respectively, so that the treatment effect is better and more stable.

If a patient has three continuous teeth and needs orthodontic traction, three front tooth traction devices provided by the embodiment are needed, at the moment, two small bones are cut, one is connected with one tooth, and the other is connected with two teeth. Because, as mentioned above, the specific traction direction is different for each tooth to be traction, if only a small piece of bone is cut and three continuous teeth are connected thereto, individual traction of each tooth cannot be achieved, and the therapeutic effect is greatly compromised.

In view of treatment cost and economic benefit, if three or more teeth in succession need orthodontic traction, a common tractor can be adopted to carry out orthodontic traction, and the front tooth traction device provided by the embodiment is more suitable for the situation that one or two adjacent teeth need orthodontic traction.

Specifically, referring to fig. 1, 2, 4 and 6 to 8, the adjusting member 200 includes a first connecting portion 210 for connecting with the first fixing member 100, a first link 220 disposed below the first connecting portion 210, and a slider 230 and an operating portion 240 slidably sleeved on the first link 220. The side wall of the sliding block 230 is provided with a second connecting rod 250, the second connecting rod 250 extends to the tooth to be pulled, and the second fixing piece 300 is fixed at the position of the second connecting rod 250 corresponding to the tooth to be pulled.

At this time, the operation portion 240 can be operated to drive the slider 230 to move along the length direction of the first link 220, so as to drive the second link 250 and the second fixing member 300 fixed on the second link 250 to move, and further drive the tooth to be pulled to move.

Preferably, the end of the second link 250 away from the slider 230 is parallel to the tooth surface of the tooth to be pulled, and the second fixing member 300 is fixed to the end of the second link 250 parallel to the tooth surface of the tooth to be pulled and disposed toward the tooth to be pulled.

In this embodiment, referring to fig. 2, the second connecting rod 250 disposed on the slider 230 extends to the tooth to be pulled away from one end of the slider 230, and is disposed parallel to the tooth surface of the tooth to be pulled, so that the surface of the second fixing member 300 can be better attached to the tooth surface of the tooth to be pulled, the bonding effect is better, and the cut small bones and the corresponding teeth can move with the second fixing member 300 more stably, so that the treatment effect is better. In addition, the end of the second connecting rod 250 far away from the sliding block 230 is parallel to the tooth surface of the tooth to be pulled, so that the inner wall of the oral cavity of the patient can be prevented from being worn by the end part of the connecting rod protruding outwards, and the comfort level of the patient during treatment is improved.

Further, referring to fig. 1 and 6 to 8, the slider 230 includes a first split 231 and a second split 232, wherein the first split 231 and the second split 232 are fixedly connected through a third link 233, and a gap is formed between the first split 231 and the second split 232 for placing the operation part 240. At this time, the first connecting rod 220 is provided with external threads, and the operation portion 240 is a nut provided with internal threads, and the operation portion 240 can be operatively moved to a certain position of the first connecting rod 220 through threaded engagement, so as to drive the first split 231 and the second split 232 to move to a certain position.

In this embodiment, by providing the external thread on the outer sidewall of the first link 220 and providing the operation portion 240 as a nut, the user can adjust the position of the operation portion 240 on the first link 220 by rotating the operation portion 240, thereby adjusting the positions of the slider 230 and the second link 250, and further adjusting the positions of the second fixing member 300 and the teeth connected to the second fixing member 300, which is convenient and quick to operate. Meanwhile, the distance between the first fixing member 100 and the second fixing member 300 is adjusted through the cooperation between the threads, so that fine adjustment is facilitated for the user, and the treatment effect is better.

Specifically, referring to fig. 1 and fig. 6 to 8, in the present embodiment, the second connecting rod 250 is fixed to the second split 232, and the slider 230, the second connecting rod 250 and the second fixing member 300 are integrally formed, so that the structural strength is higher. In assembly, the first split 231 may be first sleeved on the first link 220, and then the operation part 240 may be screwed on the first link 220 before the second split 232 is sleeved on the first link 220. Then, the operation part 240 is rotated continuously to drive the slider 230 to move, so that the second split 232 is sleeved on the first link 220. After the first fixing member 100 is fixed to the skull, the operation part 240 is adjusted so that the second fixing member 300 is positioned at a proper position.

Further, referring to fig. 1, 4 and 6, the outer side wall of the operating portion 240 is provided with a plurality of adjusting holes 241 uniformly spaced around the operating portion 240, so that a user can insert a bolt or a screwdriver into the adjusting holes 241, thereby driving the operating portion 240 to rotate, and adjusting more conveniently. The number of the adjusting holes 241 may be flexibly set according to the radial size of the operating portion 240, which is not described herein, and it is ensured that the operating portion 240 is always provided with two adjusting holes 241 on a side of an outer side wall thereof away from the skull no matter which position is rotated, so that a user can always rotate the operating portion 240 through the adjusting holes 241 to adjust the distance between the first fixing member 100 and the second fixing member 300.

Of course, in actual production, a sliding rail for sliding the sliding block 230 may be further disposed on the first link 220, and a plurality of clamping blocks capable of being selectively clamped and fixed with the sliding block 230 are disposed in the sliding rail. At this time, the slider 230 should be of an integrated structure, and the operation part 240 is disposed at a side of the slider 230 away from the skull of the patient, so that the user can adjust the distance between the first fixing member 100 and the second fixing member 300 by pulling the operation part 240. Therefore, the specific structure of the adjusting member 200 can be flexibly set according to the actual needs, and the adjustment of the distance between the first fixing member 100 and the second fixing member 300 can be achieved, which is not limited herein and is within the scope of the present utility model.

Specifically, referring to fig. 1, 4 and 5, the first fixing member 100 includes a fixing piece 110 and a second connecting portion 120 for connecting with the adjusting member 200. The fixing piece 110 is provided with at least one fixing hole 111, and the fixing piece 110 is fixed on the skull by the fastening piece through the fixing hole 111.

The fixing piece 110 and the second connecting portion 120 form an included angle, and the size and the direction of the included angle should be determined according to the traction direction of the front tooth traction device.

Preferably, referring to fig. 1, 4 and 5, the number of the fixing holes 111 is two, and the fixing holes are respectively located at opposite ends of the fixing piece 110. This arrangement allows for accurate determination of the orientation of the anchor tab 110 such that the anchor tab 110 does not shift during treatment. Moreover, the arrangement can limit the number of fasteners required to a minimum while ensuring the stability of the fixing piece 110, and has a simple structure, convenient installation and low cost.

Preferably, the fixing piece 110 and the fastening piece for fixing the fixing piece 110 are made of titanium alloy, so that the strength is high, the weight is light, the load feeling of a patient is reduced as much as possible while the front tooth traction device is ensured to stably traction, and the comfort level is improved.

Specifically, referring to fig. 1, 2 and 4, the first fixing member 100 and the adjusting member 200 are hinged, and at this time, the user can adjust the angle between the first fixing member 100 and the adjusting member 200 according to the shape of the patient's skull so that the adjusting member 200 fits to the patient's skull.

Preferably, the corners of the first fixing member 100, the adjusting member 200 and the second fixing member 300 all adopt arc transition, so that the oral cavity of the patient can be prevented from being scratched or rubbed, the safety is better, and the comfort is higher.

The application method of the anterior tooth traction device provided by the utility model specifically comprises the following steps:

s1, importing skull data into three-dimensional software, establishing a skull model, and determining teeth to be pulled;

s2, segmenting and reconstructing a skull model, and determining a bone cutting area and the traction direction of the anterior tooth traction device;

s3, osteotomy is carried out according to the osteotomy region, and an anterior tooth traction device is produced and fixed according to the traction direction;

s4, the distance between the first fixture 100 and the second fixture 300 is increased every day by the adjusting member 200 until the teeth are pulled to the proper position.

In the embodiment, the traction direction of the osteotomy region and the anterior tooth traction device is determined on the basis of the three-dimensional model, so that the most suitable and optimal treatment scheme can be provided for different patients, the practicability is high, and the treatment effect is better and more stable. In addition, the traction direction of the osteotomy region and the anterior tooth traction device obtained through the three-dimensional model analysis is more accurate, the treatment error is small, and the ideal treatment effect is easier to achieve.

Specifically, the step S3 "producing and fixing the anterior traction device according to the osteotomy region and according to the traction direction" may further include the steps of:

s31, the osteotomy area is trapezoid and comprises teeth to be pulled, a trapezoid bone block connected with the teeth to be pulled is formed after osteotomy, and the length of one side of the bone block connected with the teeth to be pulled is larger than that of one side of the bone block far away from the teeth to be pulled;

s32, drilling holes in the skull, and fixing the first fixing piece 100 to the skull through a fastener;

s33, fixing the teeth to be pulled on the second fixing piece 300, and fixing the bone blocks on the second fixing piece 300 through the teeth to be pulled.

In this embodiment, the length of the trapezoid bone block formed after osteotomy is greater than the length of the side of the bone block, which is connected with the tooth to be pulled, away from the tooth to be pulled, so that when the second fixing piece 300 drives the corresponding tooth to move, the osteotomy will not interfere with and collide with the skull, which is more beneficial for the front tooth traction device to pull the tooth into bone.

Specifically, step S4 "increase the distance between the first fixture 100 and the second fixture 300 by the adjusting member 200 every day until the teeth are pulled to the proper position" should be increased by a distance of 0.5mm-1mm every day, which is advantageous in that blood cells fill the gap between the bone mass formed after osteotomy and the skull of the patient in time and are transformed into bone, and the therapeutic effect is good.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and the parts of a certain embodiment that are not described or depicted in detail may be referred to in the related descriptions of other embodiments.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. An anterior tooth distraction device comprising:

the first fixing piece, the adjusting piece and the second fixing piece are connected in sequence;

the first fixing piece is used for fixing the adjusting piece and the second fixing piece to the skull;

the second fixing piece is used for being connected with teeth to be pulled;

the adjusting piece is used for adjusting the distance between the first fixing piece and the second fixing piece, so that the second fixing piece can pull the teeth to be pulled to a proper position.

2. The anterior traction device of claim 1, wherein,

the adjusting piece comprises a first connecting part, a first connecting rod, a sliding block and an operating part, wherein the first connecting part is used for connecting the first fixing piece, the first connecting rod is arranged below the first connecting part, and the sliding block and the operating part are slidably sleeved on the first connecting rod;

the side wall of the sliding block is provided with a second connecting rod, the second connecting rod extends to the position of the tooth to be pulled, and the second fixing piece is fixed at the position of the second connecting rod corresponding to the tooth to be pulled;

the operation part can be operated to drive the sliding block to move along the length direction of the first connecting rod, so that the second connecting rod and the second fixing piece fixed on the second connecting rod are driven to move, and teeth to be pulled are driven to move.

3. The anterior traction device of claim 2, wherein,

one end of the second connecting rod, which is far away from the sliding block, is parallel to the tooth surface of the tooth to be pulled.

4. An anterior traction device according to claim 2 or 3, wherein,

the sliding block comprises a first split body and a second split body, the first split body and the second split body are fixedly connected through a third connecting rod, and a gap is reserved between the first split body and the second split body and used for placing the operation part;

the first connecting rod is provided with external threads, the operating part is a nut provided with internal threads, and the operating part can be operated to move to a certain position of the first connecting rod through threaded fit, so that the first split body and the second split body are driven to move to a certain position.

5. The anterior traction device of claim 4, wherein,

the second connecting rod is fixed on the second split body, and the sliding block, the second connecting rod and the second fixing piece are integrally formed.

6. The anterior traction device of claim 4, wherein,

the outer side wall of the operating part is provided with a plurality of adjusting holes which are uniformly distributed around the operating part at intervals.

7. An anterior traction device according to any one of claims 1-3, wherein,

the first fixing piece comprises a fixing piece and a second connecting part used for connecting the adjusting piece;

the fixing piece is provided with at least one fixing hole, and the fixing piece is fixed on the skull by the fastening piece through the fixing hole.

8. The anterior traction device of claim 7, wherein,

the fixing piece and the second connecting part are arranged at an included angle.

9. The anterior traction device of claim 7, wherein,

the number of the fixing holes is two, and the fixing holes are respectively positioned at two opposite ends of the fixing piece; a kind of electronic device with high-pressure air-conditioning system

The fixing piece and the fastening piece for fixing the fixing piece are made of titanium alloy.

10. An anterior traction device according to any one of claims 1-3, wherein,

the first fixing piece is hinged with the adjusting piece;

and/or

The first fixing piece, the adjusting piece and the corner of the second fixing piece are in arc transition.

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