CN206621430U - A kind of expansion screw on maxilla - Google Patents
A kind of expansion screw on maxilla Download PDFInfo
- Publication number
- CN206621430U CN206621430U CN201621230572.XU CN201621230572U CN206621430U CN 206621430 U CN206621430 U CN 206621430U CN 201621230572 U CN201621230572 U CN 201621230572U CN 206621430 U CN206621430 U CN 206621430U
- Authority
- CN
- China
- Prior art keywords
- screw
- maxilla
- mini
- fixing device
- iron wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/10—Devices having means to apply outwardly directed force, e.g. expanders
Abstract
A kind of expansion screw on the maxilla is the utility model is related to, including is fixed on 3 on the left of maxilla either the left Mini-screw of more than 3, the right Mini-screw of 3 or more than 3 being fixed on the right side of maxilla, side connects the clamp nut that the right fixing device, left side that left fastening bolt side linked together by left fixing device of the arch iron wire with left mode connects for screw together with, the side right fastening bolt side of connection by arch iron wire with right Mini-screw are connected the right fixing bolt of left fixing bolt right side connection.The utility model avoids causing the loosening of tooth during upper jaw bone width is expanded by the way that expansion screw is directly anchored on maxilla.
Description
Technical field
It the utility model is related to a kind of expansion screw.
Background technology
The both ends of existing expansion screw are fixed on tooth, so during upper jaw bone width extending transversely,
The loosening of tooth can be caused.
The content of the invention
The technical problem that the utility model solves is：How to solve to cause tooth during upper jaw bone width is extended
The problem of loosening.
Technical scheme is used by of the present utility model：A kind of expansion screw on maxilla, including it is solid
Be scheduled on 3 on the left of maxilla either the left Mini-screw of more than 3, be fixed on the right side of maxilla 3 or more than 3
Right Mini-screw, side connect what left fastening bolt opposite side was linked together by arch iron wire and left Mini-screw
Left fixing device, side connect the right side that right fastening bolt opposite side is linked together by arch iron wire with right Mini-screw and consolidated
Determine device, left side connects the clamp nut that right fixing bolt is connected on the right side of left fixing bolt, along cross circular section among clamp nut
On be evenly distributed with 4 rotation holes, have upper guide hole in left fixing device and right fixing device, and run through by upper guide posts,
There is lower guide hole in left fixing device and right fixing device, and run through by lower guide posts.
As a kind of preferred embodiment：Point-blank, all right Mini-screws are at one for all left Mini-screws
On straight line.
As a kind of preferred embodiment：Left Mini-screw each other two or 3 link together after reconnect in arch
On iron wire, right Mini-screw each other two or 3 link together after reconnect on arch iron wire.
As a kind of preferred embodiment：There is the plug of projection at two of upper guide posts and lower guide posts.
The beneficial effects of the utility model are：The utility model by the way that expansion screw is directly anchored on maxilla,
Avoid causing the loosening of tooth during upper jaw bone width is extended, while archwise structure adds supporting wire among supporting wire
Elasticity, supporting wire slowly discharges pressure during upper jaw bone width is expanded, and avoids damaging maxilla.
Brief description of the drawings
Fig. 1 is that left side of the present utility model has 3 left Mini-screw structural representations；
Fig. 2 is that left side of the present utility model has 4 left Mini-screw structural representations；
Fig. 3 is upper guide posts schematic diagram；
Fig. 4 is clamp nut schematic diagram；
Fig. 5 is left fixing device schematic diagram；
Wherein, 1, tooth, 2, maxilla, 3, left Mini-screw, 4, supporting wire, 5, upper guide posts, 6, rotation hole, 7, tight
Gu nut, 8, left fixing device, 9, right Mini-screw（A kind of Screw）, 10, right fixing device, 11, left bolt, 12, right
Fastening bolt, 13, left connector, 14, upper guide hole.
Embodiment
Shown as Figure 1-Figure 5, the utility model device includes being fixed on maxilla and in a left side for a rectangle
6 on right both sides or 8 Mini-screws（For needing to correct the larger maxilla of width, if necessary to correct amount compared with
It is small, there are 4 Mini-screws）, Mini-screw passes through the arch iron wire with arch（Typically it is made up of No. eight iron wires）In
Right fixing device or left fixing device are fixed together, and right fixing device is identical with left fixing device size, and into symmetrical
Structure, in order to prevent being rocked in expansion process, there is upper guide hole in left fixing device and right fixing device, and pass through upper guiding
Post runs through, and has lower guide hole in left fixing device and right fixing device, and is run through by lower guide posts, upper guide posts and lower guiding
The plug that there is projection at two of post can prevent guide posts and lower guide posts from dropping out, while the power for ensureing to be subject to is equilibrant force,
Maxilla will not be made to be distorted, the integration left fastening bolt of connection and right fastening spiral shell in left fixing device and right fixing device
Bolt, left fastening bolt and right fastening bolt are arranged on same clamp nut, can be made by the rotation of clamp nut left tight
Fixing bolt and right fastening bolt move to both sides, so as to be extended to maxilla, are rotated in order that clamp nut is convenient, tight
Gu being uniformly distributed 4 rotation holes in the cross circular section among nut, iron staff insertion rotation hole is rotated fastening in use
Nut.
Claims (3)
- A kind of 1. expansion screw on maxilla, it is characterised in that：Including be fixed on the left of maxilla 3 or The left Mini-screw of more than 3,3 be fixed on the right side of maxilla or the right Mini-screw of more than 3, side connection Left fixing device that left fastening bolt opposite side is linked together by arch iron wire with left Mini-screw, side are connected right tight Right fixing device that fixing bolt opposite side is linked together by arch iron wire with right Mini-screw, left side are connected left fixed spiral shell The clamp nut of right fixing bolt is connected on the right side of bolt, 4 rotation holes are evenly distributed with along in cross circular section among clamp nut, it is left There is upper guide hole in fixing device and right fixing device, and run through by upper guide posts, in left fixing device and right fixing device There is lower guide hole, and run through by lower guide posts.
- A kind of 2. expansion screw on maxilla according to claim 1, it is characterised in that：All left sides are miniature Point-blank, all right Mini-screws are point-blank for plantation nail.
- A kind of 3. expansion screw on maxilla according to claim 1, it is characterised in that：Left miniature plantation Nail each other two or 3 link together after reconnect on arch iron wire, right Mini-screw two or 3 companies each other Reconnected after being connected together on arch iron wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230572.XU CN206621430U (en) | 2016-11-16 | 2016-11-16 | A kind of expansion screw on maxilla |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230572.XU CN206621430U (en) | 2016-11-16 | 2016-11-16 | A kind of expansion screw on maxilla |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206621430U true CN206621430U (en) | 2017-11-10 |
Family
ID=60212584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621230572.XU Expired - Fee Related CN206621430U (en) | 2016-11-16 | 2016-11-16 | A kind of expansion screw on maxilla |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206621430U (en) |
-
2016
- 2016-11-16 CN CN201621230572.XU patent/CN206621430U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20191116 |