WO2019210797A1

WO2019210797A1 - Stop bracket and use method therefor

Info

Publication number: WO2019210797A1
Application number: PCT/CN2019/084182
Authority: WO
Inventors: 吉利
Original assignee: 广州欧欧医疗科技有限责任公司
Priority date: 2018-04-30
Filing date: 2019-04-25
Publication date: 2019-11-07
Also published as: ZA202007086B; CN109091254B; CN109091254A

Abstract

An orthodontic stop bracket, comprising a main body portion (1) and a cover body portion (2) mounted on the main body portion (1) and a bottom plate (3) mounted on a bottom surface of the main body portion (1). A transverse arch wire slot is provided on the main body portion (1), an adjustment plate avoidance position (11) is provided on a side wall of the arch wire slot, a receiving position (12) is provided on the adjustment plate avoidance position (11), an adjustment plate (6) is movably mounted on the adjustment plate avoidance position (11), a drive rod (5) is connected to the adjustment plate (6), and the drive rod (5) fits with the receiving position (12). One end of the drive rod (5) is provided with a connector (51) which is fixedly connected to the adjustment plate (6). The stop bracket can adjust the size of the arch wire slot and stop an arch wire (4).

Description

Stop bracket and method of using same

Technical field

The present invention relates to the field of orthodontics, and in particular to an archwire retaining bracket and method of use thereof.

Background technique

Bracket is an important component of orthodontic correction. In the traditional ligation method, the archwire is fixed by the archwire on the bracket to realize the data expression of the bracket and the archwire. Sometimes the doctor needs to be different according to the The treatment process selectively ligates the archwire.

Prior Art 1, Chinese Patent Application No.: 201610264589.5, name: orthodontic bracket system and orthodontic method, which discloses a traction locking element, which can perform traction locking as needed, but for archwire How to lock without a detailed technical point can not achieve the true archwire lock.

Prior Art 2, Chinese Patent Application No.: 201510046931.X, name: traction bracket and orthodontic correction system and its correction method, which discloses a bracket body with a locking hole and a traction member, a traction member It can be used to stop the archwire, but the traction member is approximately one point relative to the size of the main groove of the archwire. The point arch is used to squeeze the archwire, so the archwire cannot be fully pressed and locked in the main slot of the archwire. Inside, and can not achieve the adjustment of the size of the archwire groove, so the data of the archwire and the bracket can not be well expressed.

It can be seen that there is no data in the prior art that can accurately express the archwire and the bracket.

Summary of the invention

In order to achieve accurate expression of archwire and bracket data, the present invention provides a more reliable stop bracket.

The technical scheme of the present invention is as follows:

A retaining bracket includes a main body portion and a cover body portion mounted on the main body portion and a bottom plate mounted on a bottom surface of the main body portion, the main body portion having a transverse arching groove at the bow An adjusting plate avoiding position is opened on the inner wall of the wire groove, and an adjusting plate is movably mounted on the adjusting plate avoiding position, and the adjusting plate is connected with an adjusting mechanism, and the other end of the adjusting mechanism is connected to the main body portion.

Further, the main body portion is provided with a receiving position, and the adjusting mechanism includes a driving rod, and the receiving position is movably engaged with the driving rod.

Further, one end of the driving rod is provided with a connecting head, and the connecting head is fixedly connected to the adjusting plate.

Further, the connecting head is provided with a ring groove, and a convex ring disposed on one end of the ring groove, and the adjusting plate is provided with a ring groove latching plate that is engaged with the ring groove, and avoids the The convex ring of the convex ring avoids the position.

Further, a bevel is disposed on the convex ring of the connecting end end.

Further, the ring groove is provided with a retention protrusion in the circumferential direction.

Further, the other end of the connecting head is provided with a connecting section, and the connecting section is movably engaged with the receiving position.

Further, the connecting section is provided with a thread, the receiving position is provided with an internal thread, and the connecting section is engaged with the receiving position by a thread.

Further, the receiving position is connected with a transition avoidance position penetrating the main body portion, and the connecting segment is movable in the receiving position and the transition portion avoiding position.

Further, the surface of the connecting section is provided with a track groove, and the track groove is a straight track or a spiral track.

Further, at least one gear groove is defined in the track groove, and the gear groove is deeper than the track groove.

Further, a through hole penetrating into a bottom surface of the main body portion is disposed inside the transition portion avoiding position, and a bead screw is mounted in the through hole, and the ball bead screw and the track groove and the gear groove are movable Cooperate.

Further, the other end of the connecting section is provided with a driving head for externally applying force.

Further, a transition section is connected between the driving head and the connecting section.

Further, the adjustment plate avoidance depth is not less than the thickness of the adjustment plate.

Further, the area of the adjusting plate accounts for more than half of the area of one of the inner wall of the archwire slot.

Further, the adjustment plate is provided with a ridge on a surface that is engaged with the archwire.

A method of using the stop bracket:

Step one, placing the archwire into the archwire slot, and closing the cover body portion;

Step 2: driving the driving head on the driving rod to make the connecting section move, the connecting head drives the adjusting plate to move, and the size of the archwire slot is adjusted at this time;

Step 3, continue to drive the driving rod until the adjusting plate touches the archwire, and continue to drive the driving rod, so that the adjusting plate and the sidewall of the archwire slot press the archwire.

In step four, the drive is stopped and the archwire is stopped.

The beneficial effects of the invention:

1. Use the adjustment mechanism to drive the adjustment plate to move, so that the size of the archwire slot is adjusted. After the archwire slot is adjusted, it is convenient for the archwire to penetrate. The drive adjustment structure makes the archwire slot small to the adjustment plate to compress the archwire, and the archwire The data of the bracket and the archwire should be accurately expressed under the action of the adjusting plate and the side wall of the archwire slot.

2. The drive rod is divided into three sections. The connection of the connector ensures reliable connection with the adjustment plate. The connection segment is in active engagement with the receiving position of the main body. At the same time, the drive rod is driven by the drive head to move the adjustment plate to drive the rod. Each part of the division of labor is clear.

3. The transition section can also play a role in pulling the bracket, and use the transition section to achieve traction.

4. Use the form of the socket to use the thread to ensure that the adjustment plate can have enough strength to squeeze the arch wire.

5. The matching of the bead screw with the track groove and the gear groove can precisely adjust the gear position.

6. The raised arrangement allows the adjustment plate to provide greater friction when holding the archwire.

DRAWINGS

Figure 1 is a perspective cross-sectional view showing a first embodiment of the present invention;

Figure 2 is a perspective cross-sectional view of the main body portion of Embodiment 1 of the present invention;

Figure 3 is a perspective view of a driving rod according to Embodiment 1 of the present invention;

Figure 4 is a front elevational view of the adjustment plate of Embodiment 1 of the present invention;

Figure 5 is a perspective view of an adjustment plate according to Embodiment 1 of the present invention;

Figure 6 is a partial enlarged view of a portion A of Figure 1 of the present invention;

Figure 7 is a front cross-sectional view of the archwire of the first embodiment of the present invention;

Figure 8 is a cross-sectional view showing the arch wire after the first embodiment of the present invention;

Figure 9 is a perspective cross-sectional view showing a second embodiment of the present invention;

Figure 10 is a perspective structural view of a drive rod according to Embodiment 2 of the present invention;

Figure 11 is a cross-sectional view showing the mating of the connector and the adjusting plate according to Embodiment 3 of the present invention;

Figure 12 is a schematic view showing the first ridge structure of the adjusting plate of the present invention;

Figure 13 is a schematic view showing the second ridge structure of the adjusting plate of the present invention;

Description of the figures:

1, the main body; 11, the adjustment board avoidance position; 12, the receiving position; 13, the transition section avoidance position; 2, the cover body; 3, the bottom plate; 4, the arch wire; 5, the drive rod; 51, the connector; Ring groove; 512, convex ring; 513, inclined surface; 52, connecting section; 521, track groove; 522, gear groove; 53, transition section; 54, drive head; 6, adjustment plate; Position; 62, convex ring avoidance position; 63, retention protrusion; 64 uplift; 7, wave bead screw.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the present invention, the terms "installation", "connected", "fixed" and the like shall be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly defined and defined. Connection; can be mechanical connection; can be directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

The embodiments of the present invention are described in detail below:

Embodiment 1

As shown in FIG. 1-5, a retaining bracket includes a main body portion 1 and a cover portion 2 mounted on the main body portion 1, and a bottom plate 3 mounted on a bottom surface of the main body portion 1, the main body portion 1 has a traversing archwire slot, and an inner side of the archwire slot is provided with an adjustment plate avoiding position 11, and an adjusting plate 6 is movably mounted on the adjusting plate avoiding position 11, and the adjusting plate 6 is connected with an adjusting mechanism The other end of the adjusting mechanism is connected to the main body portion 1, and the main body portion 1 is provided with a receiving position 12, and the receiving position 12 is connected with the adjusting plate avoiding position 11, the adjusting mechanism comprises a rod shape The driving rod 5 is movably engaged with the driving rod 5, wherein one end of the driving rod 5 is provided with a connecting head 51, and the connecting head 51 is fixedly connected to the adjusting plate 6, and the adjusting plate avoids The depth of the bit 11 is not less than the thickness of the adjusting plate 6, and the area of the adjusting plate 6 occupies more than half of the area of one of the inner wall of the archwire groove. As shown in Figures 12 and 13, the adjustment plate 6 is provided with a ridge 64 on the surface cooperating with the archwire 4, the ridge 64 being provided as a strip-shaped projection or as a point-like projection.

An adjusting plate avoiding position 11 is disposed on one of the side walls of the archwire slot. In this embodiment, the adjusting plate avoiding position 11 is disposed on the side wall of the archwire slot, and the adjusting plate avoiding position 11 can be a groove, or Directly on one side of the archwire slot, the setting of the adjustment plate avoidance position 11 is very flexible to be able to place a vacancy of the adjustment plate 5, and the adjustment plate 6 installed at the adjustment plate avoidance position 11 is guaranteed to completely fall into the adjustment plate avoidance position 11 Therefore, the depth of the adjusting plate avoiding position 11 is greater than the thickness of the adjusting plate 6, and the arch wire 4 can be prevented from being blocked by the adjusting plate 6 when installed, and the adjusting plate 6 is connected to the driving rod 5 through the connecting head 51, which can be used for The drive adjustment plate 6 is moved, and the drive rod 5 cooperates with the receiving position 12 to achieve a movable fit. The area of the adjusting plate 6 occupies more than half of the area of the side wall of the archwire slot, which ensures that after the adjusting plate 6 adjusts the arching groove to become smaller, the gap of the archwire 4 in the archwire slot becomes smaller, so the archwire 4 is opposite The lower movable position is small, which ensures the data expression of the archwire 4. The bulging can effectively increase the friction when the archwire 4 is extruded, so that it is not limited to the state of the present disclosure, and a lattice-like projection is also achievable.

As shown in FIG. 1 and FIG. 6, the connecting head 51 is provided with a ring groove 511, and a convex ring 512 disposed on one end of the ring groove 511. The adjusting plate 6 is provided with the ring groove 511. The snap ring slot 61 is engaged, and the collar avoidance position 62 of the collar 512 is avoided. The ring slot 61 is provided with a retention protrusion 63 in the circumferential direction. The ring groove latching position 61 and the convex ring avoiding position 62 constitute a through hole penetrating through the adjusting plate 6, the through hole has a notch, and the ring groove latching portion 61 is provided with the retaining protrusion 63 in the circumferential direction. The gap.

The groove width of the ring groove 511 is not less than the ring groove 61, so that the ring groove 61 can be clamped to the ring groove 511, and the thickness of the ring 512 is smaller than the depth of the ring avoidance position 62, so as to ensure connection when mated. The section of the head 51 does not protrude to the adjustment plate 6 to affect the engagement of the archwire 4 and the adjustment plate 6. When the connector 51 and the adjustment plate 6 are connected during installation, the retention projection 63 is pressed by the ring groove 511, so that the ring groove is formed. The 511 card is inserted into the ring slot 61. It should be noted that the retaining protrusion 63 in the figure may be disposed at the lower end of the adjusting plate 6 or at the upper end. As shown in FIG. 6, the retaining protrusion 63 is on the adjusting plate 6. Upper end.

As shown in FIG. 1 and FIG. 7 , the other end of the connecting head 51 is provided with a connecting portion 52 , and the connecting portion 52 is movably engaged with the receiving position 12 . Preferably, in the embodiment, the connecting portion 52 is An internal thread is provided, the receiving position 12 is provided with an internal thread, and the connecting section 52 is in a threaded engagement with the receiving position 12. The threaded connection can be reset by fine-tuning the movement of the adjustment plate 6 without being squeezed by the archwire 4.

As shown in FIG. 1 and FIG. 7, the receiving position 12 is connected with a transition avoidance position 13 extending through the main body portion 1, and the connecting portion 52 is movable in the receiving position 12 and the transition portion avoidance position 13. The other end of the connecting section is provided with a driving head for externally applying a force, and a transition section 53 is connected between the driving head 54 and the connecting section 52.

The connecting section 52 moves in the transition section avoiding position 13 and the receiving position 12 to ensure that the threaded structure of the connecting section is not damaged by the outside, and at the same time, by providing the transition section 53, the diameter of the transition section 53 is smaller than the diameter of the transition section avoiding position 13. The value ensures that the transition section 53 can be moved inside the transition section avoidance position 13 while moving, and the transition section 53 can also serve as a traction component during use of the bracket.

As shown in Figure 7 and Figure 8, when in use

Step one, the adjusting plate 6 is retracted in the adjusting plate avoiding position 11, and then the archwire 4 is placed into the archwire slot, and the cover body portion 2 is closed. At this time, the archwire 4 is inside the archwire slot, because the archwire slot is larger than the bow. The size of the wire 4, so the archwire 4 can move in a small range inside the archwire slot, and the data of the archwire 4 and the bracket can not be accurately expressed, but is preliminary expression.

Step 2, but when the archwire 4 and the bracket data are further expressed, the connecting portion 52 of the driving head 54 on the driving drive rod 5 is movably engaged, so that the connecting head 51 drives the adjusting plate 6 to move, and the movable range of the archwire 4 can be changed. The data of the narrow archwire 4 and the bracket are further expressed.

Step 3, continue to drive the drive rod 5 until the adjustment plate 6 touches the archwire 4, and continue to drive the archwire to simultaneously contact and squeeze to the adjustment plate 6 and the side wall of the archwire slot, at which time the archwire 4 is completely squeezed. Can not move freely, that is, the arch wire 4 is completely stopped.

In step four, the drive is stopped and the archwire 4 is stopped.

Advantages of this embodiment:

1. By providing an adjusting plate and a driving rod, the driving rod is used to drive the adjusting plate to press the arch wire to realize the size adjustment of the arch wire groove, and the arch wire accurately expresses the bow wire under the action of the adjusting plate and the side wall of the arch wire groove. The data that the slot has.

2. The movable engagement form of the thread ensures that the adjustment plate can have sufficient force to squeeze the arch wire, and can also adjust the size in the arch wire groove.

Specific embodiment 2:

As shown in FIG. 9 and FIG. 10, the difference between this embodiment and the first embodiment is as follows:

It should be noted that the bead screw 7 of the present embodiment is a prior art, and the internal structure is not shown in detail in the drawings.

The surface of the connecting section 52 is provided with a track groove 521. The track groove 521 is a straight track or a spiral track. In this embodiment, a straight track and a spiral track are combined, and the transition section avoidance position 13 is internally opened to the main body. A through hole of the bottom surface, the through hole penetrating into the transition portion avoiding position 13 in which the bead screw 7 is mounted. The track groove 521 has an arc shape, and the diameter of the arc is larger than the diameter of the ball of the bead screw 7, so that the steel ball of the bead screw 7 slides in the track groove. At least one gear groove 522 is defined in the track groove 521. The ball screw 7 is movably engaged with the track groove 521 and the gear groove 522. In this embodiment, three gear grooves 522 are used. The gear position groove 522 is deeper than the track groove 521, and the gear position groove 522 can be circular, polygonal or irregular. In this embodiment, a circular shape is selected, and the gear groove 522 has a depth ratio to the bead. The radius of the steel ball of the screw 7 is small, and a gear groove 522 is disposed at the boundary between the straight track and the spiral track of the track groove 521, and two gear grooves 522 are disposed on the spiral track, and the position of the installation makes the three gear positions concave. The groove 522 presents three different heights along the axial direction of the drive rod 5.

As shown in FIG. 9, in use, the main body of the drive rod 5 and the adjustment plate 6 are mounted, and the bead screw 7 is attached to the through hole of the bottom surface of the main body portion 1, and the protruding portion is extended to the transition portion avoidance position 13 until the arrival. The track groove 521 is tightened, then the driving head 54 is screwed, the driving rod 5 is moved along the track groove 521, and the adjusting plate 6 is also driven by the driving rod 5 to tighten the archwire slot until after running to the gear position groove 522. The ball of the bead screw 7 is matched with it, and then adjusted to a gear position. If it is necessary to move the adjusting plate 6 again, the driving head 54 is continuously screwed, and the driving head 54 is screwed due to the depth of the gear groove 522. Deeper, the deeper the ball of the bead screw 7 is, the more force it needs to screw the drive head 54 to cause the ball of the clamping bead screw 7 to slip the gear groove 522. The movement of the adjustment plate 6 is effected according to the movement to the different gear position grooves 522, the archwire groove size is never adjusted, and the adjustment plate 6 is pressed against the arch wire 4.

Advantages of this embodiment:

1. The ball of the bead screw 7 slides in the track groove 521 to play a limiting role, and the setting of the gear groove 522 allows the adjusting plate 6 to have multiple positions when the arching wire 4 is pressed, and also has various positions. The size adjustment of the archwire slot can be realized.

2. Cleverly utilize the elastic action of the bead screw 7 to adjust the retention of the drive rod 5.

Specific embodiment 3:

As shown in FIG. 11, the difference between this embodiment and the first and second embodiments is as follows:

A bevel 513 is disposed on the convex ring 512 at the end of the connector 51, and the adjustment plate 6 is not penetrated.

During installation, the inclined surface 513 presses the ring groove latch 61, and the ring groove latch 61 expands along the slope 513, so that the convex ring 512 enters the convex groove avoidance position 62 beyond the annular groove clamp 61, due to the convex ring and the inclined surface. The opposite side of the 513 is disposed as a vertical surface so as to be engaged with the ring groove latch 61, at which time the drive rod 5 and the adjustment plate 6 are mounted and fixed.

The advantage of this embodiment is that the manner in which the adjusting plate 6 and the driving rod 5 are fixedly connected cannot be taken out in reverse, and the structure is more reliable.

The invention is described. In use, the solution of the invention can drive the adjusting plate 6 through the driving rod 5. When the adjusting plate 6 moves, the size of the arching groove is adjusted, and the degree of freedom of the archwire 4 can be used by the doctor during use. The size of the archwire slot is adjusted, for example, the archwire 4 is activated using a fine archwire at the initial stage of correction, which is the size of the archwire slot and the data expression of the archwire 4 does not require high precision, and the teeth need to be defined in the middle of the correction. When moving, the data expression of the high-precision archwire 4 is required, and the thick archwire 4 can be selected to be mounted on the bracket, but the rough archwire has the problem of excessive correction force, so the technical solution provided by the present invention is used to adjust the archwire slot. The size can be used to accurately express the data of the thin archwire. Moreover, the use of the ligation method in the use of the archwire 4 is completely stopped on the bracket, as mentioned in the background art by a small face contact. The archwire 4 simply does not allow the archwire 4 to be truly stopped and accurately expressed, so that the archwire 4 is used to stop the archwire 4 so that the archwire 4 is completely stopped.

In the solution of the present invention, the adjusting plate 6 is mounted on one of the side walls of the archwire slot, but is not limited to this design. In the present invention, the adjusting plate 6 can also be installed at the bottom and the top of the archwire slot. It is also possible to simultaneously design two of the adjustment plates 6 to simultaneously adjust the size of the archwire slot.

The above has described in detail the preferred embodiments of the invention. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art based on the prior art based on the prior art by logic analysis, reasoning or limited experimentation should be within the scope of protection determined by the claims.

Claims

A retaining bracket includes a main body portion and a cover portion mounted on the main body portion and a bottom plate mounted on a bottom surface of the main body portion, wherein the main body portion has a transverse arching groove An adjusting plate avoiding position is opened on the inner wall of the archwire slot, and an adjusting plate is movably mounted on the adjusting plate avoiding position, and the adjusting plate is connected with an adjusting mechanism, and the other end of the adjusting mechanism is connected to the main body portion.
The retaining bracket of claim 1 wherein said body portion is provided with a receiving position, said adjustment mechanism comprising a drive rod, said receiving position being in operative engagement with said drive rod.
The retaining bracket according to claim 2, wherein one end of the driving rod is provided with a connecting head, and the connecting head is fixedly connected to the adjusting plate.
The retaining bracket according to claim 3, wherein the connecting head is provided with a ring groove, and a convex ring disposed on one end of the ring groove, and the adjusting plate is provided with the ring The ring groove of the slot is engaged, and the convex ring of the convex ring is avoided.
The retaining bracket according to claim 4, wherein the convex ring of the end portion of the connecting head is provided with a slope.
The retaining bracket according to claim 4, wherein the ring groove is provided with a retaining projection in the circumferential direction.
The retaining bracket according to claim 3, wherein the other end of the connecting head is provided with a connecting section, and the connecting section is movably engaged with the receiving position.
The retaining bracket according to claim 7, wherein the connecting section is provided with a thread, the receiving position is provided with an internal thread, and the connecting section is movably engaged with the receiving position by a thread.
The retaining bracket according to claim 7, wherein the receiving portion is connected with a transition portion avoiding position penetrating the main body portion, and the connecting portion is within the receiving position and the transition portion avoiding position activity.
The retaining bracket according to claim 9, wherein the surface of the connecting section is provided with a track groove, and the track groove is a straight track or a spiral track.
The retaining bracket according to claim 10, wherein at least one gear groove is defined in the track groove, and the gear groove is deeper than the track groove.
The retaining bracket according to claim 11, wherein a through hole penetrating into a bottom surface of the main body portion is opened inside the transition portion avoiding position, and a bead screw is mounted in the through hole, and the bead screw Cooperating with the track groove and the gear groove.
The retaining bracket according to claim 7, wherein the other end of the connecting section is provided with a driving head for externally applying a force.
The retaining bracket according to claim 13, wherein a transition section is connected between the driving head and the connecting section.
The retaining bracket according to claim 1, wherein the adjusting plate avoidance depth is greater than the thickness of the adjusting plate.
The retaining bracket according to claim 1, wherein the area of the adjusting plate is more than half of an area of one of the inner wall of the archwire slot.
The retaining bracket of claim 1 wherein said adjustment plate is provided with a ridge on a surface that engages the archwire.
A method of using a retaining bracket according to any one of claims 1-17:

Step one, placing the archwire into the archwire slot, and closing the cover body portion;

Step 2: driving the driving head on the driving rod to make the connecting section move, the connecting head drives the adjusting plate to move, and the size of the archwire slot is adjusted at this time;

Step 3, continue to drive the driving rod until the adjusting plate touches the archwire, and continue to drive the driving rod, so that the adjusting plate and the sidewall of the archwire slot press the archwire.

Step four, stop driving, archwire realization.