CN204971650U - Tooth row are corrected and are used ligature - Google Patents
Tooth row are corrected and are used ligature Download PDFInfo
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- CN204971650U CN204971650U CN201520706393.8U CN201520706393U CN204971650U CN 204971650 U CN204971650 U CN 204971650U CN 201520706393 U CN201520706393 U CN 201520706393U CN 204971650 U CN204971650 U CN 204971650U
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- ligature
- hook portion
- dentition correcting
- silk
- correcting device
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Abstract
The utility model provides a tooth row are corrected and are used ligature, this ligature have the inflexible hook portion that is difficult to the rupture and has the invariant. Tooth row are corrected and are used ligature (1) comprises 1 silk of turning back, installs in the tooth and is listed as orthotic devices (50), and this tooth row are corrected and are used ligature (1) has: hook portion (2), it is that the portion of turning back of silk is twistd reverse and forms, can block and pull (30) surely, support (3), its a pair of silk by extending from hook portion (2) constitutes, can insert the tooth and be listed as orthotic devices (50), and fastening portion (4), its a pair of silk by extending to one side opposite with hook portion (2) from support (3) constitutes, can be fixed in through twising reverse to be inserted to be listed as orthotic devices (50) in the tooth of support (3).
Description
Technical field
This utility model relates to the Dentition correcting ligature for Dentition correcting.
Background technology
According to patent documentation 1 etc., be known to ligature.Ligature described in patent documentation 1 is made up of the silk of ring-type.The silk of ring-type being installed on Dentition correcting device, forming hook portion by reversing remaining part.By the portion's material card with the ring-type of retractility being called as rubber band is hung on this hook portion, can tooth be drawn and promote Dentition correcting thus.
Patent documentation 1: United States Patent (USP) 6910885
, when using the ligature be made up of the silk of ring-type, the rigidity of hook portion can be inconsistent due to the operation method difference of enforcement operator.Such as, if the power of torque wire is less, form the hook portion that rigidity is less.In addition, the rigidity of hook portion can be inconsistent due to the size of the Dentition correcting device of installation.Such as, when ligature being installed on less Dentition correcting device, the remaining part of ligature is longer.If this longer remaining part is all used and forms hook portion, then form longer hook portion, form the hook portion of less rigidity.
Therefore, the ligature being called as holt hook being formed with hook portion is in advance known to.According to this holt hook, do not rely on and implement operator and the hook portion of intensity constant all the time can be obtained., because this holt hook forms hook portion by being welded to one another by adjacent silk, so welding portion is brittle due to heat effects.
Therefore, exist when to block hang the traction piece such as rubber band and bend hook portion forcibly time weld part easily fracture or when in implementing to perform the operation in order to correct the problem that when lead repeatedly repeats bending, weld part easily fractures.
In addition, this holt hook by reverse be arranged at a pair of the opposition side of hook portion silk more than long portion and fastening Dentition correcting device is fixed.Now, if with long portion more than excessive power torque wire, then also there is the problem of weld part breakage.
Utility model content
Therefore the purpose of this utility model is to provide a kind of ligature, and this ligature has to be not easy to fracture and not rely on to be implemented operator and has the hook portion of constant rigidity.
To achieve these goals, following content is provided according to this utility model.
(1) a kind of Dentition correcting ligature, this Dentition correcting ligature is made up of the silk that 1 is turned back, and is installed on Dentition correcting device, and this Dentition correcting ligature has: hook portion, it is that the return portion of described silk is reversed, can locking traction piece; Support, it is made up of silk described in a pair that extends from described hook portion, can insert Dentition correcting device; And fastening part, it is made up of silk described in a pair that extends from described support to the side contrary with described hook portion, can be fixed on the Dentition correcting device being inserted into described support by torsion.
According to the Dentition correcting ligature that this utility model relates to, because be formed with hook portion in advance, implement operator so do not rely on and the hook portion with constant intensity can be obtained.In addition, because hook portion is formed by reversing, even if so be also not easy to fracture to hook portion effect folding force.
(2) in described Dentition correcting ligature, described silk also can be coated with resin.
The frictional force that the frictional force produced when easily being contacted with each other by resin produces when being set to and contacting with each other than silk is large.Therefore, the torsion of hook portion or fastening part is not easy to restore, and easily maintains higher by the rigidity of hook portion, and easily maintains higher by the fastening strength of fastening part.
Accompanying drawing explanation
Fig. 1 is the figure of the using state that ligature is shown.
Fig. 2 is the figure that the Dentition correcting ligature that the first embodiment of the present utility model relates to is shown.
Fig. 3 is the figure of the process of the ligature illustrated to Dentition correcting device installation diagram 2.
Fig. 4 is the figure of the process of the ligature illustrated to Dentition correcting device installation diagram 2.
Fig. 5 is the figure that the Dentition correcting ligature that the second embodiment of the present utility model relates to is shown.
Label declaration
1: ligature; 2: hook portion; 3: support; 4: fastening part; 11: ligature; 12: hook portion; 13: support; 14: fastening part; 15: twist portion; 30: traction piece; 40: arch wire; 50: Dentition correcting device.
Detailed description of the invention
< first embodiment >
(using state of ligature)
Below, with reference to accompanying drawing, the Dentition correcting ligature (hereinafter referred to as ligature) that embodiment of the present utility model relates to is described.Fig. 1 is the figure of the using state that ligature 1 is shown.
As shown in Figure 1, the rectification of denture is carried out in the following way: Dentition correcting device 50 is installed on many teeth respectively, and 1 arch wire 40 is suspended in each Dentition correcting device 50.Make Dentition correcting device 50 to the direction effect corrective force of wishing straightening of teeth by acting on the elastic restoring force of arch wire 40 to Dentition correcting device 50, the position of straightening of teeth or posture thus.
In addition, by the traction pieces such as elastic tape 30 engaging in the hook portion 2 being arranged at ligature 1, thus also draw Dentition correcting device 50 by the elastic force of traction piece 30 to the direction expected, carry out the rectification of denture to tooth effect corrective force.
Ligature 1 of the present embodiment is for being fixed on each Dentition correcting device 50 by arch wire 40.
In addition, illustrated Dentition correcting device is the type by means of only ligature 1, arch wire being fixed on Dentition correcting device 50, and this utility model is not limited thereto.Such as, also may be used for having and suppress the cover of arch wire or the Dentition correcting device of clamping element, in this case, arch wire is fixed by cover or clamping element and ligature.In addition, illustrated Dentition correcting device is Dentition correcting bracket, but this utility model also can be used in fixing arch wire etc. to Dentition correcting buccal tube.
(structure of ligature)
Fig. 2 is the figure of the state (state of product) before the use that ligature 1 of the present embodiment is shown.
As shown in Figure 2, ligature 1 has the silk of end shape to form by 1 that turns back in midway.Silk can use the silk of such as rustless steel or titanium alloy.Ligature 1 has hook portion 2, support 3 and fastening part 4.
Hook portion 2 is consisted of the return portion of torque wire.As illustrated in FIG, this hook portion 2 is can the position of the traction piece 30 such as locking elastic tape.
Support 3 is the positions forming the space that Dentition correcting device 50 can insert.Support 3 is made up of a pair of extending from hook portion 2.The interval W1 of a pair forming support 3 is configured to the size with Dentition correcting device equal extent.
Fastening part 4 is made up of a pair of extending to the side contrary with hook portion 2 from support 3.By reversing fastening part 4, arch wire 40 can be fixed on and be inserted on the Dentition correcting device 50 of support 3.In the present embodiment, one end (right-hand member in Fig. 2) of fastening part 4 becomes open end.
The interval W1 of a pair that the interval W2 of a pair forming fastening part 4 is set than forming support 3 is large.The interval W2 of fastening part 4 is set larger than Dentition correcting device.
(using method of ligature)
Fig. 3 and Fig. 4 is the figure that situation ligature 1 being installed on Dentition correcting device 50 is shown.As shown in Figure 3, when Dentition correcting device 50 is inserted in support 3, between a pair that first Dentition correcting device 50 is inserted in fastening part 4.Now, when sliding so that when entering between this silk from the open end of fastening part 4 in the right making ligature 1 to Fig. 3, simple to operate.After Dentition correcting device 50 is inserted into fastening part 4, ligature 1 is slided to the right of Fig. 3, thus Dentition correcting device 50 is directed to support 3.
As shown in Figure 4, after Dentition correcting device 50 is positioned at support 3, reverse fastening part 4, with the fastening Dentition correcting device 50 of silk.In the mode making twist part together remain the length of needs, silk is cut off, to keep enough fastening forces.Like this, when ligature 1 is fixed in Dentition correcting device 50, Dentition correcting device 50 is fixed relative to arch wire 40.
In addition, when needing hook portion 2 in the treatment, hook portion 2 is made to the direction of arrow plastic deformation of such as Fig. 4 so that easy locking traction piece 30.After making hook portion 2 plastic deformation, can by traction piece 30 as shown in Figure 1 engaging in hook portion 2.
In addition, in above-mentioned ligature 1, silk is preferably coated with resin.By application of resin, the frictional force produced when the frictional force setting get Bi Si produced when easily being contacted with each other by resin contacts with each other is large.Therefore, the torsion of hook portion 2 and fastening part 4 is not easy to restore, and easily maintains higher by the rigidity of hook portion 2, and easily maintains higher by the fastening strength of fastening part 4.Such as, the coating ligatures 1 such as PEEK resin, fluororesin, mylar, polyorganosiloxane resin, polyurethane resin, allyl resin, polyamide, epoxy resin can be used.In addition, by coating white resin, the taste of ligature 1 can be improved.
(effect)
When ligature twist being formed hook portion after differently ligature being installed on Dentition correcting device with present embodiment, the number of times of twist or twist intensity etc. are inconsistent owing to implementing operator different.Or, when the Dentition correcting device installed is less, because the remaining part of ligature is elongated, so when forming hook portion when this remaining part all being used, form longer hook portion, cause forming the less hook portion of rigidity., ligature of the present embodiment, because be formed with hook portion 2 in advance, so do not rely on enforcement operator, or has nothing to do with the size of the Dentition correcting device 50 installed, can obtain the hook portion with constant intensity.
In addition, when different from present embodiment and as holt hook by weld form hook portion time, hook portion due to heat affecting embrittlement., the ligature 1 related to according to the present embodiment, hook portion 2 is formed by reversing.That is, because hook portion 2 is not brittle, even if so act on larger folding force to hook portion 2 or repeatedly act on folding force, be also not easy to fracture.
< second embodiment >
Fig. 5 is the figure that the ligature 11 that the second embodiment of the present utility model relates to is shown.In the first above-mentioned embodiment, describe the example making one end of fastening part 4 become open end, but this utility model is not limited thereto.Such as, also can the second embodiment as shown in Figure 5 such, by one end twist of fastening part 14 together.According to the ligature 11 that the second embodiment relates to, one end of fastening part 14 is provided with twist portion 15, becomes the shape easily utilizing dental orthotic pliers etc. to hold ligature 11.
Even if in the ligature 11 that this second embodiment relates to, the interval W2 of fastening part 14 also sets wider than the interval W1 of support 13.Therefore, when installing to Dentition correcting device 50, by Dentition correcting device 50 is inserted in fastening part 14, and ligature 11 is slided to the right of Fig. 5, thus can simply Dentition correcting device 50 be guided to support 13.
After Dentition correcting device 50 is positioned at support 13, by fastening for fastening part 14, excision comprises the unwanted part in twist portion 15, fixes arch wire by ligature 11 to Dentition correcting device 50.
Even if in the ligature 11 that this second embodiment relates to, because be formed with hook portion 12 in advance, implement operator so do not rely on and the hook portion 12 with constant intensity can be obtained.
In addition, the ligature 11 related to according to the present embodiment, because hook portion 12 is formed by reversing, even if so act on larger folding force to hook portion 12 or repeatedly act on folding force, be also not easy to fracture.
In addition, in the first above-mentioned embodiment and the second embodiment, show the example being made up of the position connecting support 3,13 and fastening part 4,14 level and smooth curve, but this utility model is not limited thereto.Also can be formed with the shape being bent into right angle the position connecting support 13 and fastening part 14.
Claims (2)
1. a Dentition correcting ligature, this Dentition correcting ligature is made up of the silk that 1 is turned back, and is installed on Dentition correcting device, it is characterized in that,
This Dentition correcting ligature has:
Hook portion, it is that the return portion of described silk is reversed, can locking traction piece;
Support, it is made up of silk described in a pair that extends from described hook portion, can insert Dentition correcting device; And
Fastening part, it is made up of silk described in a pair that extends from described support to the side contrary with described hook portion, can be fixed on the Dentition correcting device being inserted into described support by torsion.
2. Dentition correcting ligature according to claim 1, is characterized in that,
Described silk is coated with resin.
Priority Applications (1)
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CN201520706393.8U CN204971650U (en) | 2015-09-11 | 2015-09-11 | Tooth row are corrected and are used ligature |
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CN201520706393.8U CN204971650U (en) | 2015-09-11 | 2015-09-11 | Tooth row are corrected and are used ligature |
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CN204971650U true CN204971650U (en) | 2016-01-20 |
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CN201520706393.8U Active CN204971650U (en) | 2015-09-11 | 2015-09-11 | Tooth row are corrected and are used ligature |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113616361A (en) * | 2020-05-08 | 2021-11-09 | 知恩爱株式会社 | Self-ligating orthodontic bracket assembly |
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2015
- 2015-09-11 CN CN201520706393.8U patent/CN204971650U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113616361A (en) * | 2020-05-08 | 2021-11-09 | 知恩爱株式会社 | Self-ligating orthodontic bracket assembly |
CN113616361B (en) * | 2020-05-08 | 2022-07-08 | 知恩爱株式会社 | Self-ligating orthodontic bracket assembly |
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