CN103239297A

CN103239297A - Medical bracket

Info

Publication number: CN103239297A
Application number: CN2013101713783A
Authority: CN
Inventors: 王光良
Original assignee: 王光良
Current assignee: Zhejiang Xinya Medical Technology Co., Ltd.
Priority date: 2013-04-02
Filing date: 2013-04-02
Publication date: 2013-08-14
Anticipated expiration: 2033-04-02
Also published as: CN103239297B

Abstract

The invention discloses a medical bracket which comprises a bracket body with an arch wire groove and a bracket opening, wherein a front shaft hole and a rear shaft hole are respectively formed in operating wings of the front and rear ends of the bracket opening; a bracket cover is arranged in the bracket opening; a kidney-shaped hole is formed in the rear end of the bottom surface of the bracket cover; an open groove is formed at the front end of the bracket cover; an upper flange and a lower flange which are horizontally arranged are respectively formed at the upper and lower ends of the open groove; the length of the upper flange is larger than that of the lower flange; a front pin shaft and a rear pin shaft which transversely penetrate through the bracket opening are respectively inserted into the front shaft hole and the rear shaft hole; the rear pin shaft is simultaneously inserted into the kidney-shaped hole of the bracket cover; the front pin shaft is matched with the open groove; and the rear pin shaft is always inserted into the kidney-shaped hole and is fixed; and along with the back-and-forth sliding of the bracket cover, the rear pin shaft can be positioned at different positions of the kidney-shaped hole, and the front pin shaft can be clamped in or separated from the open groove along with the movement of the bracket cover, and therefore, the bracket cover is positioned in a closed or opened state.

Description

A kind of medical bracket

Technical field

The present invention relates to the orthodontic technical field, particularly a kind of just abnormal medical bracket.

Background technology

At present, in the orthodontic treatment process of Buccodental, orthodontic bracket is fixed on the facing, arch wire passes the archwire slot (having another name called square shred groove) on the bracket, and by ligation rubber ring or steel ligature with the direct ligation of arch wire on bracket tie wings, the corrective force of arch wire is delivered to tooth by bracket, makes tooth produce the movement of expecting, to reach the purpose of proofreading and correct tooth.

Because at present used ligation rubber ring or steel ligature ligation directly force in arch wire on the tie wings of bracket, arch wire has been produced bigger pressure, hindered the normal movement of arch wire, thereby shadow are to the just abnormal effect of tooth.At present, also occurred multiple self-locking bracket on the market, active and passive type two big series have been arranged, but structure more complicated all, manufacture difficulty is big, and the cost height is expensive, operating difficulties.

Summary of the invention

The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of easily manufactured, simple to operate, reliable and stable medical bracket.

Technical scheme of the present invention is achieved in that

A kind of medical bracket, comprise the supporter groove with arch wire groove, arch wire groove both sides are provided with the work wing, on supporter groove, intersect with the arch wire groove and be provided with the bracket mouth, bracket mouth and the arch wire groove wing of will working is divided into four fritters, offer front-axle hole respectively on the work wing of this bracket mouth rear and front end, back axis hole, described front-axle hole, back axis hole and bracket mouth intersect and perforation bracket mouth, in the bracket mouth, be provided with the bracket lid, the rear and front end of bracket lid bottom surface respectively is provided with a flange, flange at the bracket cover back-end is provided with slot, flange at bracket lid front end is provided with open slot, the two ends up and down of open slot form the horizontally disposed rib of going up respectively, following rib, and the length of last rib is greater than following rib; Be equipped with preceding bearing pin, the rear pin shaft that crosses the bracket mouth respectively in front-axle hole, back axis hole, rear pin shaft is located in the slot of bracket lid simultaneously, and preceding bearing pin matches with open slot;

When promoting the bracket lid backward, rear pin shaft is in the front end of slot, and preceding bearing pin then breaks away from open slot and reaches rib down, and the bracket lid can overturn around rear pin shaft, and expose the arch wire groove this moment, and the arch wire groove can be put into or take out to arch wire, and the bracket lid is in open mode;

The bracket that overturns in the other direction covers supreme rib and rides on the preceding bearing pin, promote the bracket lid more forward, this moment, rear pin shaft was in the rear end of slot, and preceding bearing pin snaps in the open slot, the last rib of open slot, down rib is spacing by preceding bearing pin backstop, the bracket lid can not be overturn again open, the bracket lid is in the closed-lock state.

For the bracket lid is not opened easily, as preferably, be provided with at least one at the middle part of slot rear pin shaft is carried out spacing arc convex.Being arranged on when the bracket lid slides of arc convex increased resistance, prevents that the situation of sliding automatically and opening from use appearring in the bracket lid.

As preferably, formation one is in order to block the slope of arch wire between the flange of the flange of bracket lid front end and rear end.When the bracket lid was closed, arch wire can be blocked in the slope, prevents that it from moving, thereby forms active bracket.

Adopted design philosophy of the present invention and the beneficial effect of technique scheme to be:

The present invention adopts the slide lock tabs structure; bracket covers in the bracket mouth and normally slides; be respectively equipped with preceding bearing pin, rear pin shaft in bracket mouth rear and front end; the bracket cover back-end forms the slot that cooperates with rear pin shaft; bracket lid front end has formed the open slot that cooperates with preceding bearing pin; rear pin shaft is located in the slot all the time and rear pin shaft maintains static; but along with sliding in the front and back of bracket lid; can make rear pin shaft be in the diverse location of slot; and preceding bearing pin can snap in along with the movement of bracket lid or break away from open slot, thereby makes the bracket lid be in closure or open mode.

Supporter groove of the present invention and bracket lid are made simple, can adopt line cutting once-forming, and be easy to operate.When installing simultaneously bracket lid is put into supporter groove, the bracket lid can rotate around rear pin shaft, open or closure all very convenient.Removed the troublesome operation of steel ligature in the clinical practice from.Simultaneously can as steel ligature or ligation rubber ring, directly not force in arch wire again, so can not influence the normal movement of arch wire in the orthodontic treatment process, make the orthodontic treatment better effects if.

Because the part bracket has certain axial rake, supporter groove of the present invention and bracket lid will have certain gradient, and bracket covers when opening, and the bracket lid had both rotated around rear pin shaft; Simultaneously bracket covers that its slot also has relative slip with rear pin shaft when being pushed; Because the present invention adopts the slot structure, and slot is open state, makes function of the present invention and purpose be achieved easily.

Description of drawings

Fig. 1 is the structural representation of supporter groove of the present invention;

Fig. 2 is that the A of Fig. 1 is to view;

Fig. 3 is the plan structure sketch map of Fig. 1;

Fig. 4 is the structural representation of bracket lid among the embodiment 1;

Fig. 5 is the plan structure sketch map of Fig. 4;

View when Fig. 6 packs supporter groove into for bracket among the embodiment 1 covers;

Fig. 7 covers the sketch map that is in open mode in supporter groove for bracket among the embodiment 1;

Fig. 8 covers the sketch map that is in closure state in supporter groove for bracket among the embodiment 1;

Fig. 9 is the structural representation of bracket lid among the embodiment 2;

Figure 10 covers the sketch map that is in open mode in supporter groove for bracket among the embodiment 2;

Figure 11 covers the sketch map that is in closure state in supporter groove for bracket among the embodiment 2.

The specific embodiment

The specific embodiment of the present invention is as follows:

Embodiment 1: a kind of medical bracket, shown in Fig. 1～3, comprise the supporter groove 2 with arch wire groove 1, arch wire groove 1 both sides are provided with the work wing 3,4, on supporter groove 2, intersect with arch wire groove 1 and be provided with bracket mouth 5, bracket mouth 5 and arch wire groove 1 wing 3 of will working, 4 are divided into four fritters, offer the front-axle hole 6 that wired cutting forms on the work wing of these bracket mouth 5 rear and front ends respectively, back axis hole 7, front-axle hole 6, back axis hole 7 also can adopt the electric spark processes to form, described front-axle hole 6, back axis hole 7 intersects with the bracket mouth and perforation bracket mouth 5, shown in Fig. 4～6, in bracket mouth 5, be provided with bracket lid 8, the rear and front end that bracket covers 8 bottom surfaces respectively is provided with a flange, flange 9 at the bracket cover back-end is provided with the slot 10 that the line cutting forms, flange 11 at bracket lid front end is provided with the open slot 12 that the line cutting forms, and the two ends up and down of open slot 12 form the horizontally disposed rib 13 of going up respectively, following rib 14, and the length of last rib 13 is greater than following rib 14; Be equipped with preceding bearing pin 15, the rear pin shaft 16 that crosses the bracket mouth respectively in front-axle hole 6, back axis hole 7, preceding bearing pin 15, rear pin shaft 16 are cylindrical, and rear pin shaft 16 is located in the slot 10 of bracket lid 8 simultaneously, and preceding bearing pin 15 matches with open slot 12; As shown in Figure 4, slot 10 upper center be provided with one extend downwards rear pin shaft 16 is carried out spacing arc convex 17, the existence of arc convex 17 has been divided into preceding hole 18 and metapore 19 two parts with slot 10.Among the present invention, the opening 21 that links to each other with front-axle hole 6, back axis hole 7 and slot 10 separately on supporter groove 2 and bracket lid 8 is the line cutting and forms.

As shown in Figure 7, when promoting bracket backward and cover 8, rear pin shaft 16 enters in the preceding hole 18 of slot front end, preceding 15 disengaging open slots of bearing pin 12 reach rib 14 down, bracket lid 8 can be around rear pin shaft 16 upsets, expose arch wire groove 1 this moment, and arch wire groove 1 can be put into or take out to arch wire 20, and bracket lid 8 is in open mode;

As shown in Figure 8, the bracket that overturns in the other direction covers 8 supreme ribs 13 and rides on the preceding bearing pin 15, spur bracket lid 8 more forward, the resistance that this moment, rear pin shaft 16 overcame arc convex 17 enters in the metapore 19 of slot rear end, and preceding bearing pin 15 snaps in the open slot 12, the last rib 13 of open slot 12, down rib 14 is spacing by preceding bearing pin 15 backstops, bracket lid 8 can not be overturn again open, and this moment, the bracket lid 8 was in the closed-lock state.The part that bracket covers between two flanges of front and back, 8 bottom surfaces leaves gap 22 with arch wire 20, forms the passive type bracket.

Embodiment 2: the difference of present embodiment and embodiment 1 is: as shown in Figure 9, and formation one slope 23 in order to block arch wire 20 between the flange 9 of the flange 11 of bracket lid front end and bracket cover back-end.Shown in Figure 10,11, the operation principle of present embodiment bracket lid 8 is identical with embodiment 1, and just when bracket lid 8 closures, slope 23 can prop up arch wire 20, forms active bracket.

Claims

1. medical bracket, comprise the supporter groove with arch wire groove, arch wire groove both sides are provided with the work wing, it is characterized in that: on supporter groove, intersect with the arch wire groove and be provided with the bracket mouth, bracket mouth and the arch wire groove wing of will working is divided into four fritters, offer front-axle hole respectively on the work wing of this bracket mouth rear and front end, back axis hole, described front-axle hole, back axis hole and bracket mouth intersect and perforation bracket mouth, in the bracket mouth, be provided with the bracket lid, the rear and front end of bracket lid bottom surface respectively is provided with a flange, flange at the bracket cover back-end is provided with slot, flange at bracket lid front end is provided with open slot, the two ends up and down of open slot form the horizontally disposed rib of going up respectively, following rib, and the length of last rib is greater than following rib; Be equipped with preceding bearing pin, the rear pin shaft that crosses the bracket mouth respectively in front-axle hole, back axis hole, rear pin shaft is located in the slot of bracket lid simultaneously, and preceding bearing pin matches with open slot;

2. a kind of medical bracket according to claim 1 is characterized in that: be provided with at least one at the middle part of slot rear pin shaft is carried out spacing arc convex.

3. a kind of medical bracket according to claim 1 is characterized in that: formation one is in order to block the slope of arch wire between the flange of the flange of bracket lid front end and rear end.