CN218792552U - Orthodontic intermaxillary push-and-pull device - Google Patents
Orthodontic intermaxillary push-and-pull device Download PDFInfo
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- CN218792552U CN218792552U CN202222426313.6U CN202222426313U CN218792552U CN 218792552 U CN218792552 U CN 218792552U CN 202222426313 U CN202222426313 U CN 202222426313U CN 218792552 U CN218792552 U CN 218792552U
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Abstract
The utility model relates to a technical field of ware is rescued to the tooth, especially relates to a push-and-pull device between just abnormal jaw. The orthodontic intertooth push-pull device comprises a first push rod and a second push rod, wherein the first push rod is used for being fixed with an upper molar belt ring, the second push rod is used for being connected with a lower jaw arch wire, a spring is sleeved on the second push rod, one end of the second push rod is provided with a circular ring which is integrally formed with the second push rod and a stop block used for preventing a spring wire from winding into the first circular ring, and the other end of the second push rod is fixedly connected with a first limiting device used for limiting the amount of exercise of the second push rod and the spring. The elastic mode and the blocking mode of the structure ensure that the structure is simpler, the diameter is thinner, a user is more comfortable and the manufacturing cost is lower compared with the traditional single-spring jaw push-pull device under the condition of ensuring the traction force; compared with the traditional double-spring intermaxillary push-pull device, the lower limit of the selectable traction force is reduced, and the width is thinner and the wearer is more comfortable because a part of the sliding rod is not provided with a spring.
Description
Technical Field
The utility model relates to an occlusal appliance, in particular to an orthodontic intertooth push-and-pull device.
Background
In the oral clinical orthodontic treatment, some malocclusion patients have the abnormal jaw position relationship or the abnormal tooth occlusion relationship, and the abnormal occlusion relationship needs to be prevented by adjusting the position relationship between upper and lower jaws or the occlusion relationship between upper and lower teeth by using an inter-jaw force applying device or performing anchorage control. The existing force application devices between the jaws in the fixing and correcting process, such as Forsus, herbst and the like, have good orthodontic correction effect, but are produced by precision casting, have higher cost and complex installation, and need to be installed and disassembled by an orthodontist.
The invisible correcting process is that the patient can take and wear shell-shaped correcting devices in sequence, until the teeth reach the target positions in regular arrangement along with the change of a series of shell-shaped correcting devices. Therefore, the inter-jaw force application device matched with the shell-shaped appliance for correcting the malposition needs to meet the requirement of facilitating the patient to take off and wear the shell-shaped appliance by himself, and the next shell-shaped appliance is replaced according to the treatment sequence; or the production cost is reduced, and the inter-jaw force application device is arranged on each sub-shell-shaped appliance, so that the inter-jaw force application device and the upper and lower shell-shaped appliances can be integrally taken off from the tooth jaw by a patient.
The existing inter-jaw push-pull device has the following problems:
1. the common intertite push-pull device is matched with two force application devices, so that the traction force is greatly increased, discomfort or excessive orthopedic is caused, and the cost is higher;
2. some intermaxillary pushers (such as forsus) are single springs, but due to structural problems in the design, the product can be thicker, with the band being too wide in the mouth and uncomfortable;
3. the common barrier of the inter-jaw push-pull device is a curve or a ring or a tube, the structure has poor tensile capability and is easy to deform, the spring wire is easy to twist into the structure, and in addition, due to the bending capability of the structure, the inner ring has larger clearance and is easy to shake and bend the push rod, so that the product fails.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects and provides a push-pull device between orthodontic jaws.
In order to overcome the defect that exists among the background art, the utility model provides a technical scheme that its technical problem adopted is: the orthodontic intertooth push-pull device comprises a first push rod and a second push rod, wherein the first push rod is used for being fixed with an upper jaw molar belt ring, the second push rod is used for being connected with a lower jaw arch wire, a spring is sleeved on the second push rod, a first circular ring which is integrally formed with the second push rod and a stop block used for preventing a spring wire from winding into the first circular ring are arranged at one end of the second push rod, a first limiting device used for limiting the amount of exercise of the second push rod and the spring is fixedly connected to the other end of the second push rod, a through hole used for being connected with the first limiting device is formed in the first limiting device, a second circular ring which is integrally formed with the first push rod is arranged at the other end of the first push rod, a first connecting ring used for being connected with a buccal tube or a bracket is connected to the first circular ring, and a second connecting ring used for being connected with the buccal tube or the bracket is connected to the second circular ring.
According to the utility model discloses a another embodiment, further include stop device one is spacing cubic or spacing slice.
According to the utility model discloses a another embodiment, further include the tail end of ring one, ring two is welded for sealing the circle with whole.
According to the utility model discloses a another embodiment, further include go-between two, go-between one are including being the ring body and the sliding closure of "U" type, and the one end of sliding closure is equipped with the sliding closure boss, and the one end that is equipped with the sliding closure boss on the one end of ring body and the sliding closure is connected to this junction includes track groove and boss hole, is equipped with the shell fragment on the groove arm in track groove, and the other end of ring body is equipped with the connecting hole of connecting the sliding closure other end and connects the thimble hole of outside extension on the connecting hole.
The utility model has the advantages that:
1. the design of a single spring is adopted, and the sintered spring is selected to prolong the service life of the spring, so that the traction force is smaller, the application range is wide, and the smaller traction force is milder and more friendly to the use of infants;
2. the single spring design of the structure is simpler and more convenient than forsus in structure, and compared with other common intertaxillary push-pull devices, the width is increased, namely the diameter of the single-side elastic device can be controlled to be about 2mm, and the experience feeling of a user is improved;
3. the width of the blocking piece is larger than that of a processing piece of the spring device, for example, a piece or a block is welded to improve the tensile strength, and then a hole is formed in the blocking piece or the block, so that the longitudinal moving range of the push-pull rod is limited, and the service life of a product is ensured; and because the platform effect of piece and piece plays spacing effect, the difficult winding of spring wire is in blockking the piece.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of a connection ring in the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the present invention;
wherein: 1. the device comprises a connecting ring II, a push rod I, a stop dog, a stop device I, a stop device 5, a spring, a stop dog 6, a push rod II, a stop dog 7, a connecting ring I, a stop dog 8, a ring II, a stop dog 9, a ring I, a stop device II, a stop dog 11, a sliding cover 12, a thimble hole 13, a ring body 14, a sliding cover boss 15, a track groove 16, a spring sheet 17 and a boss hole.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The embodiments of the basic utility model, and all other embodiments obtained by those skilled in the art without creative efforts, all belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the orthodontic intermaxillary push-pull device comprises a first push rod 2 fixed with an upper molar band ring and a second push rod 6 connected with a lower jaw arch wire, wherein a spring 5 is sleeved on the second push rod 6, a first ring 9 integrally formed with the second push rod 6 and a stop 3 used for preventing a spring wire from winding into the first ring 9 are arranged at one end of the second push rod 6, a first limit device 4 used for limiting the amount of exercise of the second push rod 6 and the spring 5 is fixedly connected to the other end of the second push rod 6, a through hole used for connecting one end of the first push rod 2 is formed in the first limit device 4, a second limit device 10 is also fixedly connected to one end of the first push rod 2, a through hole used for connecting the other end of the second push rod 6 is formed in the second limit device 10, the second limit device 10 is positioned on the inner side of the first limit device 4 on the second push rod 6, a second ring 8 integrally formed with the first push rod 2 is arranged at the other end of the first push rod 2, a first ring 9 is connected with a first limit device 7 used for connecting a buccal tube or a connecting ring, and a second buccal tube or a bracket is connected with a second buccal tube or a connecting ring 1 for connecting ring. The connecting ring is sleeved on the buccal tube or the bracket and is positioned below the dental floss to play a role in fixing the appliance between the jaws, and the connecting ring is connected with the circular ring on the push rod; the spring 5 is used as a force application piece and sleeved on the second push rod 6 and is arranged between the stop block and the limiting block; one hole of each limiting block is welded with the push rod, and the other hole of each limiting block penetrates through the second push rod, so that the problem that the movement amount of the push rod or the spring is limited to be too large is solved.
As shown in fig. 3, the connecting rings at the two ends of the spring are connected between the second bicuspid and the first molar to fix the push rod, and when the patient opens the mouth, the spring is in a pre-pressing state and has almost no thrust; when the patient is occluded, the spring is gradually compressed and generates thrust, the push rod device is pushed, and the thrust generated by the spring can be used as the correcting force between the jaws.
Wherein the first limiting device 4 is a limiting block or a limiting sheet. According to the practical use, blocky or flaky limiting devices can be selected, and the flaky limiting devices enable the overall structure to be smaller.
Wherein the tail ends of the first circular ring 9 and the second circular ring 8 are welded with the whole to form a closed circle.
The connecting ring II 1 and the connecting ring I7 comprise a U-shaped ring body 13 and a sliding cover 11, a sliding cover boss 14 is arranged at one end of the sliding cover 11, one end of the ring body 13 is connected with one end, provided with the sliding cover boss 14, of the sliding cover 11, the connection position comprises a track groove 15 and a boss hole 17, an elastic sheet 16 is arranged on a groove arm of the track groove 15, the other end of the ring body 13 is provided with a connection hole for connecting the other end of the sliding cover 11, and a thimble hole 12 extending outwards is connected to the connection hole. When the push rod and the tooth are well installed and the connecting ring needs to be closed, the sliding cover boss 14 of the sliding cover is pushed into the boss hole 17, and the boss hole is larger than the track groove, so that a self-locking effect is achieved; when the connecting ring is required to be opened, the needle or the toothpick is used for propping against the sliding cover, the boss on the sliding cover is used for extruding the elastic sheet to deform so as to eject out the boss, and the connecting ring can be taken down by bypassing the dental floss after being opened. In addition, due to the small hole design of the thimble hole, the sliding cover cannot be ejected out through the small hole by external force, and the risk that the connecting ring is easy to open is reduced.
The elastic mode and the blocking mode of the structure ensure that the structure is simpler, the diameter is thinner, a user feels more comfortable and the manufacturing cost is lower compared with the traditional single-spring inter-jaw push-pull device under the condition of ensuring the traction force; compared with the traditional double-spring intermaxillary push-pull device, the lower limit of the selectable traction force is reduced, and the width is thinner and the wearer is more comfortable because a part of the sliding rod is not provided with a spring.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides an orthodontics push-and-pull between jaw device, is used for with the push rod one (2) of upper jaw molar belt ring fixed and be used for with push rod two (6) of lower jaw arch wire connection, its characterized in that: the spring (5) is sleeved on the second push rod (6), a first ring (9) which is integrally formed with the second push rod (6) and a stop block (3) which is used for preventing a spring wire from winding into the first ring (9) are arranged at one end of the second push rod (6), a first limiting device (4) which is used for limiting the second push rod (6) and the amount of exercise of the spring (5) is fixedly connected to the other end of the second push rod (6), a through hole which is used for connecting the other end of the second push rod (6) is formed in the first limiting device (4), a second limiting device (10) is also fixedly connected to one end of the first push rod (2), a through hole which is used for connecting the other end of the second push rod (6) is formed in the second limiting device (10) on the second push rod (6), the second limiting device (10) is located on the inner side of the first limiting device (4), a second ring (8) which is integrally formed with the first push rod (2) is arranged at the other end of the first push rod (2), and the first ring (9) is connected with a first connecting ring (7) which is used for connecting a buccal tube or a second buccal bracket (1).
2. The orthodontic intermaxillary push-pull device of claim 1, wherein: the first limiting device (4) is in a limiting block shape or a limiting sheet shape.
3. The orthodontic intermaxillary push-pull of claim 1, wherein: the tail ends of the first circular ring (9) and the second circular ring (8) are welded with the whole to form a closed circle.
4. The orthodontic intermaxillary push-pull of claim 1, wherein: the connecting ring II (1) and the connecting ring I (7) comprise a U-shaped ring body (13) and a sliding cover (11), a sliding cover boss (14) is arranged at one end of the sliding cover (11), one end of the ring body (13) is connected with one end, provided with the sliding cover boss (14), of the sliding cover (11), the joint comprises a track groove (15) and a boss hole (17), an elastic sheet (16) is arranged on a groove arm of the track groove (15), the other end of the ring body (13) is provided with a connecting hole for connecting the other end of the sliding cover (11), and a thimble hole (12) which extends outwards is connected to the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426313.6U CN218792552U (en) | 2022-09-14 | 2022-09-14 | Orthodontic intermaxillary push-and-pull device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426313.6U CN218792552U (en) | 2022-09-14 | 2022-09-14 | Orthodontic intermaxillary push-and-pull device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218792552U true CN218792552U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222426313.6U Active CN218792552U (en) | 2022-09-14 | 2022-09-14 | Orthodontic intermaxillary push-and-pull device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218792552U (en) |
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2022
- 2022-09-14 CN CN202222426313.6U patent/CN218792552U/en active Active
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