CN219397670U

CN219397670U - Traction seat and traction assembly for orthodontics

Info

Publication number: CN219397670U
Application number: CN202320077471.7U
Authority: CN
Inventors: 栾歆睿; 范琳慧; 姜延军
Original assignee: Ningbo Stomatological Hospital Group Co ltd
Current assignee: Ningbo Stomatological Hospital Group Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-25
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a traction seat and a traction assembly for orthodontics. The fifth wheel comprises: the clamping frame is provided with a clamping groove and is used for clamping and connecting the archwire. From the protruding regulation pole of clamping frame one side and set up in adjust the terminal annular spacing ring of pole, the spacing ring is provided with the installation breach, the installation breach is kept away from adjust the pole, the installation breach is used for guiding the traction rope knot goes into the spacing ring. The clamping frame slides along the arch wire through the clamping groove so as to conveniently adjust the position of the traction seat on the arch wire and the adjustment is convenient. The installation gap of the limiting ring is far away from the adjusting rod, so that the traction rope cannot be separated from the limiting ring no matter the traction rope is subjected to pressure on the side of the adjusting rod, and the traction rope is convenient to use and high in traction stability.

Description

Traction seat and traction assembly for orthodontics

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a traction seat and a traction assembly for orthodontics.

Background

The orthodontic treatment adopts a mode that a bracket piece is fixed on the tooth surface of an oral cavity, and an arch wire is bent to form an approximate arch structure according to the shape of the oral cavity. The archwire connects the plurality of brackets in series to form a continuous orthotic structure. The arches of the archwires lie in the same plane, however, the teeth in each individual's mouth are of different heights, particularly with height differences between some teeth and adjacent teeth, which can be pulled to deflect by tightening the flexible archwire. And the rigid arch wire is used for tensioning, so that the tension wire is matched with a traction piece for use, and the correction of the ectopic teeth is realized.

Chinese patent CN218106095U discloses a clinical long free towing hook comprising a towing bar and a sliding block arranged at the bottom of the towing bar. Through setting up the sliding block, and set up the opening on the rear panel of sliding block, this opening communicates with the slip butt joint groove in the sliding block, under the normality, the opening is the same with the width of slip butt joint groove, after the installation, the clamp makes the opening closure of sliding block with pliers, can be with traction hook slidable mounting on the archwire of straight wire arch appliance, through set up two arc inserting grooves that stretch into slip butt joint inslot downwards on the sliding block roof, and set up the screens piece in the arc inserting groove, after the arc inserting strip of screens piece inserts slip butt joint groove, extrude slip butt joint groove inner wall and archwire, restriction sliding block displacement on the archwire, realize being fixed to the traction hook, simple to operate can be fast to fix spacingly on the archwire from the traction hook, avoid its condition that slips appears in the traction process, influence tooth correction.

However, the existing pulling hook opening is provided at the side, the pulling rope connected to the teeth can only be hooked to the pulling hook, and the pulling direction is directional. The traction rope is easy to be pushed to be separated from the opening in the tooth brushing process of a user, so that the traction of the traction rope is invalid, and the technical problem of the correction effect cannot be achieved is solved. In addition, the traction hook can only draw from one side away from the opening direction, so that the direction of the traction hook needs to be identified when the traction hook is used, and the technical problem of inconvenient use is solved, and therefore, improvement is needed.

Disclosure of Invention

The utility model aims to provide a traction seat and a traction assembly for orthodontics.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the first aspect of the present disclosure: there is provided a fifth wheel for orthodontics, the fifth wheel being secured to an archwire and connected to an orthodontic tooth by a traction wire, the fifth wheel comprising:

the clamping frame is provided with a clamping groove and is used for clamping and connecting with the arch wire;

from the protruding regulation pole of clamping frame one side and set up in adjust the terminal annular spacing ring of pole, the spacing ring is provided with the installation breach, the installation breach is kept away from adjust the pole, the installation breach is used for guiding the traction rope knot goes into the spacing ring.

In one embodiment, the opening direction of the clamping groove and the extension direction of the adjusting lever intersect.

In an embodiment, the clamping frame comprises a first clamping plate, a second clamping plate and a connecting plate for connecting the first clamping plate and the second clamping plate, a clamping groove is formed among the first clamping plate, the connecting plate and the second clamping plate, and the adjusting rod is intersected with the connecting plate or the first clamping plate.

In an embodiment, an end of at least one of the first clamping plate and the second clamping plate is protruded or bent into the clamping groove.

In an embodiment, the first clamping plate and the second clamping plate are provided with anti-skid patterns towards the plane of one side of the clamping groove.

In an embodiment, the opening direction of the mounting notch and the adjusting rod are arranged opposite to each other.

In one embodiment, the limiting ring forms a spherical end surface at the mounting notch; or, the limiting ring forms a horn mouth at the mounting notch.

In one embodiment, the minimum opening width of the mounting notch is set to be B, wherein B is more than or equal to 0.5mm and less than or equal to 1mm.

In an embodiment, the limiting ring is arc-shaped or rectangular, and the size of the tail end of the adjusting rod is smaller than or equal to the cross-section shaft diameter of the limiting ring.

The second aspect of the present disclosure: the traction assembly is used for traction of the correction teeth and comprises an arch wire, a traction rope, a bracket piece and the traction seat, wherein the bracket piece is fixed on the correction teeth, the traction seat is fixed on the arch wire, the traction rope is connected with the bracket piece and the limiting ring, and the protruding direction of the traction seat and the correction teeth deviate from each other.

By adopting the structure, compared with the prior art, the utility model has the following advantages: the clamping frame slides along the arch wire through the clamping groove so as to conveniently adjust the position of the traction seat on the arch wire and the adjustment is convenient. The installation gap of the limiting ring is far away from the adjusting rod, so that the traction rope cannot be separated from the limiting ring no matter the traction rope is subjected to pressure on the side of the adjusting rod, and the traction rope is convenient to use and high in traction stability.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

fig. 1 is a schematic perspective view of a fifth wheel of the present utility model.

Fig. 2 is a schematic view of a fifth wheel of the annular stop collar of the present utility model.

Fig. 3 is a schematic drawing of a fifth wheel of a rectangular stop collar of the present utility model.

Fig. 4 is a schematic structural view of the clamping seat provided with ribs in the present utility model.

Fig. 5 is a schematic view of the structure of the clamping seat of the present utility model with the opening at the end of the traction seat.

Fig. 6 is a schematic view of the traction assembly of the present utility model in use.

In the figure, a clamping frame 10; a clamping groove 11; a first clamping plate 12; a second clamping plate 13; a connection plate 14; the convex ribs 15 are clamped; an adjusting lever 20; a stop collar 30; a mounting notch 31; a traction rope 40; a bracket 50; an archwire 60; a corrective tooth 70; a bracket 80; balance teeth 90.

Detailed Description

The following description is of the preferred embodiments of the utility model, and is not intended to limit the scope of the utility model.

Examples, see fig. 1 to 6: a fifth wheel for orthodontics is disclosed, the fifth wheel being secured to an archwire 60 and connected to the orthodontic tooth 70 by a traction wire 40.

The traction seat comprises a clamping frame 10 provided with a clamping groove 11, an adjusting rod 20 protruding from one side of the clamping frame 10, and an annular limiting ring 30 arranged at the tail end of the adjusting rod 20. Wherein, the clamping frame 10, the adjusting rod 20 and the limiting ring 30 are of an integrated structure, and the whole is made of metal materials.

The clamping groove 11 is a groove structure formed by recessing from one side surface of the clamping frame 10, and penetrates the clamping frame 10. The clamping frame 10 is used for clamping and clamping the archwire 60; wherein the archwire 60 penetrates laterally from the clamping slot 11; alternatively, the archwire 60 snaps into the mouth of the clamping slot 11. After the traction seat moves to the corresponding correction position of the archwire 60, the clamping frame 10 is clamped by a tool, so that the clamping frame 10 is deformed and the archwire 60 is clamped, and the traction seat is fixed on the archwire 60, so that the fixing is convenient.

The spacing ring 30 and the clamping frame 10 are respectively positioned at two ends of the adjusting rod 20, the adjusting rod 20 is used for adjusting the spacing between the spacing ring 30 and the clamping frame 10, so that the spacing between the spacing ring 30 and the correcting teeth 70 is adjusted, the sufficiency of the traction connection space of the traction rope 40 is improved, and the convenience of fixing the traction rope 40 is improved.

Wherein, the limiting ring 30 is provided with a mounting notch 31, the mounting notch 31 is far away from the adjusting rod 20, and the mounting notch 31 is used for guiding the traction rope 40 to be buckled into the limiting ring 30. The mounting notch 31 cuts the stop collar 30 to form an open annular structure. That is, the stop collar 30 includes a first end extending from the adjustment lever 20 to one side of the mounting notch 31 and a second end extending from the adjustment lever 20 to the other side of the mounting notch 31, the mounting notch 31 is formed between the end of the first end and the end of the second end, and the traction rope 40 is sleeved from the mounting notch 31 and abuts against the stop collar 30. Preferably, the protruding direction of the spacing ring 30 of the traction seat and the corrective teeth 70 are respectively positioned at two sides of the archwire 60, and the traction rope 40 can be in tension connection with the corrective teeth 70 and the traction seat no matter which direction the traction rope 40 is subjected to during tooth brushing, so that the traction reliability is high. The traction rope 40 is sleeved on the traction seat from the mounting notch 31, and the traction effect is good.

See fig. 4 to 5: the clamping frame 10 is used for clamping and fixing the arch wire 60, and the arch wire 60 is fixedly connected with the traction seat. In one embodiment, the opening direction of the clamping groove 11 and the extension direction of the adjustment lever 20 intersect. The clamping groove 11 is used for buckling the archwire 60, and the opening direction of the clamping groove 11 is intersected with the extension direction of the adjusting rod 20, so that the archwire 60 is intersected with the extension direction of the adjusting rod 20. Preferably, the opening direction of the clamping groove 11 is perpendicular to the extension direction of the adjusting rod 20, and the opening of the clamping groove 11 is positioned at one side of the adjusting rod 20, so that the clamping frame 10 is buckled into the archwire 60 from the side direction, and the archwire 60 is conveniently clamped and fixed. Preferably, the opening direction of the clamping groove 11 is perpendicular to the extension direction of the adjusting rod 20, and the opening of the clamping groove 11 is located in the back direction of the adjusting rod 20, so that the clamping frame 10 is buckled into the archwire 60 from the end, and the archwire 60 is conveniently clamped and fixed.

In a specific embodiment, the clamping frame 10 includes a first clamping plate 12, a second clamping plate 13, and a connecting plate 14 connecting the first clamping plate 12 and the second clamping plate 13, where a clamping groove 11 is formed between the first clamping plate 12, the connecting plate 14 and the second clamping plate 13. The first clamping plate 12 and the second clamping plate 13 are oppositely arranged, and the tool clamps the first clamping plate 12 and the second clamping plate 13 so that the first clamping plate 12 and the second clamping plate are relatively folded and clamped on two sides of the archwire 60, thereby fixing the clamping frame 10 and the archwire 60 into a whole. The direction between the first clamping plate 12 and the second clamping plate 13 facing away from the connecting plate 14 forms an opening for the clamping groove 11, from which the archwire 60 can be snapped in or passed through from both ends of the clamping frame 10.

The overall position of the opening of the clamping groove 11 relative to the fifth wheel is determined by adjusting the adjustment lever 20, wherein the opening of the clamping groove 11 is located laterally of the fifth wheel when the adjustment lever 20 intersects the first clamping plate 12. When the adjustment lever 20 intersects the connection plate 14, the opening of the clamping groove 11 is located at the end of the fifth wheel.

The first clamping plate 12 and the second clamping plate 13 are oppositely arranged to form a folding clamping structure. Preferably, the opposing faces of the first and second clamping plates 12, 13 are parallel or slightly flared at their ends to facilitate the threading of the archwire 60. Preferably, the end of at least one of the first clamping plate 12 and the second clamping plate 13 is protruded or bent into the clamping groove 11 to reduce the opening size of the clamping groove 11, and the archwire 60 is inserted from both ends, so that the archwire 60 is prevented from being separated from the clamping groove 11, and the fixing is convenient. Optionally, a snap bead 15 is formed on the surface of the first clamping plate 12 and/or the second clamping plate 13, the snap bead 15 being adjacent or flush with the opening of the clamping groove 11, thereby blocking removal of the archwire 60.

The opening direction of the mounting notch 31 and the adjusting rod 20 are arranged back to back, so that the traction seat reversely protrudes relative to the archwire 60, and the traction seat is abutted to the archwire 60, and the stress is balanced.

Preferably, the first clamping plate 12 and the second clamping plate 13 are provided with anti-slip patterns on a plane facing the clamping groove 11 side. The anti-skid patterns are arranged on the two opposite side surfaces of the first clamping plate 12 and the second clamping plate 13, and can be arranged as linear convex ribs, so that the processing is convenient, and the stability of the clamping back fixed on the archwire 60 is improved. Wherein, the straight convex rib can be a triangular convex rib, a semicircular convex rib or a rectangular convex rib.

See fig. 1 to 6: the spacing ring 30 is spaced apart at the mounting gap 31 to form a gap structure, wherein an end face for the traction rope 40 to pass through is provided between the first end and the second end. In order to improve the convenience of sleeving the traction rope 40, optionally, the limiting ring 30 forms a spherical end surface at the mounting notch 31, specifically, the tail end of the first end and the tail end of the second end are spherical surfaces, so that an open opening with gradually increased opening is formed, and the traction rope 40 is conveniently guided to be smoothly buckled in. Optionally, the stop collar 30 forms a flare at the mounting notch 31. Specifically, the end of the first end and the end of the second end are configured as inclined structures, so as to form an open opening with an opening gradually increasing from the inner ring to the outer ring, so that the traction rope 40 can be guided to be smoothly buckled.

Preferably, the minimum opening width of the mounting notch 31 is set to B, wherein B is 0.5 mm.ltoreq.B.ltoreq.1 mm. The traction rope 40 is provided with cotton ropes, rubber bands and other string structures, and the traction rope 40 is buckled in from the installation notch 31 so as to be tensioned on the limiting ring 30. Preferably, the mounting notch 31 is located in the extending direction of the adjusting rod 20 to symmetrically separate the limiting rings 30, thereby improving the balance and the anti-falling effect of the traction rope 40.

Preferably, the stop collar 30 is circular arc-shaped or rectangular, and the size of the end of the adjusting rod 20 is smaller than or equal to the cross-section shaft diameter of the stop collar 30. The adjusting rod 20 is of a cylindrical structure, the cross section of the limiting ring 30 is of a round shape, the adjusting rod 20 and the limiting ring 30 are intersected, and the shaft diameters of the adjusting rod 20 and the limiting ring 30 are basically the same, so that a smooth transition structure is formed, and foreign body sensation of a user during use is reduced.

In use, the fifth wheel is used as part of a traction assembly to traction correct the ectopic projecting corrective teeth 70. The traction assembly is used for traction of the correction teeth 70, and comprises an arch wire 60, a traction rope 40, a bracket piece 50 and a traction seat disclosed in the embodiment above, wherein the bracket piece 50 is fixed on the correction teeth 70, the traction seat is fixed on the arch wire 60, the traction rope 40 is connected with the bracket piece 50 and the limiting ring 30, and the protruding direction of the traction seat and the correction teeth 70 deviate from each other.

The leveling teeth 70 have relatively flat balancing teeth 90 on either side, with brackets 80 secured to the balancing teeth 90, the brackets 80 being used to secure the archwire 60 to maintain the archwire 60 extending along the shape of the mouth. The protruding direction of the traction seat and the correcting teeth 70 are arranged back to back and are respectively positioned at two sides of the arch wire 60, the traction rope 40 extends from the limiting ring 30 to the bracket piece 50 fixed on the correcting teeth 70, the stroke is long, and the stability of the left-right direction swing of the traction rope 40 can be improved.

Those skilled in the art will recognize that a wide variety of modifications, alterations, and combinations can be made with respect to the above described embodiments without departing from the scope of the utility model, and that such modifications, alterations, and combinations are to be viewed as being within the ambit of the inventive concept.

Claims

1. A fifth wheel for orthodontics, the fifth wheel being secured to an archwire and connected to an orthodontic tooth by a pull cord, the fifth wheel comprising:

2. The fifth wheel of claim 1, wherein the opening direction of the clamping groove and the extension direction of the adjustment rod intersect.

3. The fifth wheel of claim 1, wherein the clamping frame comprises a first clamping plate, a second clamping plate, and a connecting plate connecting the first clamping plate and the second clamping plate, wherein a clamping groove is formed between the first clamping plate, the connecting plate, and the second clamping plate, and the adjusting rod intersects the connecting plate or the first clamping plate.

4. The fifth wheel of claim 3, wherein an end of at least one of the first and second clamping plates is convex or curved into the clamping groove.

5. A fifth wheel according to claim 3, wherein the first and second clamping plates are provided with anti-skid patterns in a plane facing the side of the clamping groove.

6. The fifth wheel of claim 1, wherein the opening direction of the mounting notch and the adjustment lever are disposed opposite.

7. The fifth wheel of claim 1, wherein the retainer ring defines a spherical end surface at the mounting notch; or, the limiting ring forms a horn mouth at the mounting notch.

8. The fifth wheel of claim 1, wherein the mounting notch has a minimum opening width of B, wherein 0.5mm +.b +.1 mm.

9. The fifth wheel of claim 1, wherein the stop collar is circular or rectangular and the terminal dimension of the adjustment rod is less than or equal to the cross-sectional diameter of the stop collar.

10. A traction assembly for traction of a corrective tooth, characterized in that the traction assembly comprises an arch wire, a traction rope, a bracket member and a traction seat according to any one of claims 1 to 9, wherein the bracket member is fixed on the corrective tooth, the traction seat is fixed on the arch wire, the traction rope is connected with the bracket member and the limiting ring, and the protruding direction of the traction seat and the corrective tooth deviate from each other.