CN205795829U - Dental appliance - Google Patents
Dental appliance Download PDFInfo
- Publication number
- CN205795829U CN205795829U CN201620233494.2U CN201620233494U CN205795829U CN 205795829 U CN205795829 U CN 205795829U CN 201620233494 U CN201620233494 U CN 201620233494U CN 205795829 U CN205795829 U CN 205795829U
- Authority
- CN
- China
- Prior art keywords
- molar
- micro
- dental appliance
- distal movement
- implant anchorage
- 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.)
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- 210000003254 palate Anatomy 0.000 claims abstract description 58
- 239000007943 implant Substances 0.000 claims abstract description 37
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 24
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 241000587161 Gomphocarpus Species 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 210000000214 mouth Anatomy 0.000 abstract description 3
- 230000001419 dependent effect Effects 0.000 abstract description 2
- 230000035807 sensation Effects 0.000 abstract description 2
- 210000004513 dentition Anatomy 0.000 description 5
- 230000036346 tooth eruption Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000004877 mucosa Anatomy 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 210000004763 bicuspid Anatomy 0.000 description 3
- 206010061274 Malocclusion Diseases 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 210000003464 cuspid Anatomy 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 210000001847 jaw Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 206010021703 Indifference Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000002455 dental arch Anatomy 0.000 description 1
- 239000003178 glass ionomer cement Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000032724 odontogenesis Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
This utility model provides a kind of dental appliance, distal movement of molar palate bar is followed closely use in conjunction with micro-implant anchorage, and utilize the elastic deformation of nickel titanium coil spring far to move maxillary molar, simple in construction, volume is little, and when being adhered to patient oral cavity, foreign body sensation is the least, the performance of its effect is without the cooperation of dependent patient, and effect stability；Make and operate relatively easy, package unit low cost, cheap；Less demanding to the technology of technician；Without considering that micro-implant anchorage nail position, to the remote stop moving maxillary molar root of the tooth, can effectively reduce the workload during treatment；Remote middle inclination will not be produced with tongue to rotation, reach improve occluding relation and treat the effect of type below.
Description
Technical field
This utility model belongs to orthodontic treatment technical field, and being specifically related to one can reach reason by the remote maxillary molar that moves
The dental appliance of the neutral molar relation thought.
Background technology
For Class II malocclusion malocclusion, exodontia is usually taken or the remote middle method moving maxillary molar reaches neutrality and grinds one's teeth in sleep
Relation.During orthodontic treatment, use distal movement of molar mode can improve the gap needed for crowded teeth, and can adjust and sting
Close, make process of rescuing simpler, quickly.Specifically can use: face-bow, lip keeps off, and II class is drawn, and improvement J hook adds NiTi helical spring etc.
Instrument carry out remote in mobile grinds one's teeth in sleep, during these are remote the common feature of mobile modes of grinding one's teeth in sleep be the success or not for the treatment of largely
Depend on the fitness of patient；Need to spend the longer course for the treatment of and essence when solving congested problem, obtaining enough spaced dentition
Power.
Comparatively speaking, utilize micro-implant anchorage nail auxiliary distal movement of molar less demanding to the fitness of patient, additionally it is possible to
Prevent Anchorage molar from shifting.Based on this principle, scholars design the most eurypalynous distal movement of molar device, and these devices such as, utilize
Cheek side plantation nail auxiliary arch wire distalization for maxillary molar, or, use in conjunction palate side plantation nail and improvement pendulum appliance, or,
Use in conjunction palate side plantation nail and distal movement of molar palate torr etc..
But, these devices generally there is problems in that first, makes complexity.As a example by pendulum model appliance, it needs
Making multiple band, bending of arch edgewise is complicated, requires height to bending skill；Remote palate torr of grinding one's teeth in sleep of moving needs to spread wax, casting, polishing, throws
The flow processs such as light, step is various, is required to higher to technician and Casting Equipment.Second, complex operation, during treatment, workload is relatively
Greatly.Park etc., after dental arch comes into line leveling completely, implant micro-implant anchorage nail between upper jaw cheek side 5,6, but because of micro-plantation
Nail stop far moves root of the tooth, and remote shifting is restricted, and needs again to continue to move at the far middle anchorage nail of implanting of mobile tooth.3rd, turned a millstone
Tooth is easily generated remote middle inclination and cheek-tongue direction rotates.Such as, pendulum appliance and distal movement of molar palate torr turn a millstone dental retrusion time, it is executed
Force is positioned at conjunction side and the tongue side of impedance center of grinding one's teeth in sleep, and tilts and tongue is to rotation during the odontogenesis that causes being turned a millstone is remote.4th, base
In " wedge effect ", cannot be carried out grinding one's teeth in sleep during remote shifting is vertical to control, causes elongation of grinding one's teeth in sleep, and middle nearly cheek point is sagging,
The highest rising, and then the mandibular bone of skeletal classⅡ high angle-style patient is turned clockwise, type below for the treatment of cannot obtain
To improving.
To sum up, it is desirable to provide a kind of simple in construction, rescue the distal movement of molar appliance coordinating easily micro-implant anchorage nail,
It can effectively and overall remote in mobile maxillary molar, while reaching indifference relation, can carry out grinding one's teeth in sleep vertically to
Control, prevent it from extending.
Utility model content
The purpose of this utility model is to provide a kind of dental appliance, solves problems of the prior art.Its system
Make and simple to operate, less demanding to the technology of technician；Without considering that plantation nail position, to the remote stop moving root of the tooth of grinding one's teeth in sleep, can have
Effect reduces the workload during treatment；Remote middle inclination will not be produced with tongue to rotation, reach to improve after occluding relation and treatment
The effect of type.
Dental appliance, including: the upper jaw first and two molar bands, micro-implant anchorage nail, nickel titanium coil spring, correction ligation
Silk；Also include: distal movement of molar palate bar, band connecting rod.Wherein, distal movement of molar palate bar includes: main palate bar vertical component effect, horizontal part and
Two hooks, distal movement of molar palate bar is welded on the upper jaw first and second molar band, uses orthodontic ligature wire to be drawn by nickel titanium coil spring
Open one times of length, make nickel titanium coil spring one end be connected with the ligation of micro-implant anchorage nail head, on the other end and distal movement of molar palate bar
Two hooks connect.
It is connected to the nickel titanium coil spring between micro-implant anchorage nail and distal movement of molar palate bar, overall shifting in can making maxillary molar far
Dynamic, thus obtain normal occluding relation.Owing to distal movement of molar palate bar is easy to make, during nickel titanium coil spring reinforcing, operation is simple, and
Over the course for the treatment of without considering that micro-plantation nail implantation position, to the remote stop moving root of the tooth of grinding one's teeth in sleep, solves traditional teeth appliance
Make complicated, the problem of complex operation.
Further, the occlusogingival distance of main palate bar vertical component effect is from consistent with maxillary molar root difference height, and horizontal part leads
Draw the width between hook and micro-implant anchorage nail between width consistent.When reinforcing far moves maxillary molar, micro-implant anchorage is made to follow closely
The point of application and maxillary molar impedance center highly consistent, when can prevent distal movement of molar corona produce remote in tilt, tongue to rotation,
Force down, the negative effect such as elongation, shorten the course for the treatment of, it is achieved that the effective control to maxillary molars distalization.The upper jaw first and two is ground one's teeth in sleep
Band is welded with MBT buccal tube, and maxillary dentition does not comes into line leveling and after maxillary dentition comes into line leveling completely in early days, all can carry out on
Jaw is ground one's teeth in sleep overall remote middle mobile.
Further, maxillary molar is being carried out vertically in time controlling, use orthodontic ligature wire by nickel titanium coil spring one end and
The head ligation of micro-implant anchorage nail connects, and the band that the other end uses orthodontic ligature wire to be directed around both sides maxillary molar connects
After bar, again ligature and nail in micro-implant anchorage, both sides maxillary molar can be forced down, make conjunction plane rotate counterclockwise, it is thus possible to have
Effect prevents maxillary molar from extending to tooth conjunction side, improves the side looks of skeletal classⅡ high angle-style patient, and then improves after treatment
Type.
Further, two hooks are respectively positioned on the horizontal part of distal movement of molar palate bar, and tip and the opening of hook are relative.
Further, micro-implant anchorage nail is followed closely for absolute anchorage, it is thus possible to be that the remote middle mobile of first and second maxillary molar carries
For strong anchorage, prevent labial teeth stress from producing unnecessary moving back and forth.
Further, distal movement of molar palate bar is bent by the stainless steel round wire of diameter 1.0mm and forms, and hook is by diameter
The stainless steel silk of 0.8mm bends and forms.
Further, molar band is made up of the stainless steel substrates of 0.3mm thickness.
Further, band connecting rod is made up of the stainless steel silk of diameter 0.8mm.
Dental appliance of the present utility model, follows closely use in conjunction by distal movement of molar palate bar with micro-implant anchorage, and utilizes nickel
The elastic deformation of titanium extension spring far moves maxillary molar, simple in construction, and volume is little, adheres in patient oral cavity, and foreign body sensation is the least, and it is made
Play without the cooperation of dependent patient, and effect stability；Make relatively easy, package unit low cost, cheap.
Accompanying drawing explanation
Following appended accompanying drawing is a part for description of the present utility model, and it is real that it depicts example of the present utility model
Executing example, appended accompanying drawing is used for principle of the present utility model is described together with the description of description.
Fig. 1 is the structural representation that this utility model embodiment provides a kind of dental appliance；
The structural representation of the another kind of dental appliance that Fig. 2 provides for this utility model embodiment；
The use schematic diagram of the dental appliance that Fig. 3 provides for this utility model embodiment；
Fig. 4 is the maxillary molar schematic diagram before this utility model embodiment provides treatment；
Fig. 5 is the maxillary molar design sketch that this utility model embodiment provides after using dental appliance treatment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below will with accompanying drawing and
Narration in detail clearly illustrates the spirit of this utility model disclosure, and any skilled artisan is understanding this reality
After embodiment by novel content, when the technology that can be taught by this utility model content, being changed and modify, it does not take off
Spirit and scope from this utility model content.
Below in conjunction with specific embodiment, this utility model is described in further details.
The concrete structure figure of a kind of dental appliance that Fig. 1 provides for this utility model, as it is shown in figure 1, dental appliance
10, including: the upper jaw first and two molar bands 11,12, micro-implant anchorage nail 13, nickel titanium coil spring 14, orthodontic ligature wire 15；Also wrap
Include: distal movement of molar palate bar 16, band connecting rod 17.Wherein, distal movement of molar palate bar includes hook 161.
Its working method is as follows: be adhered to by distal movement of molar palate bar glass ionomer cements when patient goes to a doctor for the first time
The upper jaw first and second is ground one's teeth in sleep on corona；Using orthodontic ligature wire that nickel titanium coil spring pulls open one times of length, one end is followed closely with micro-implant anchorage
Head ligation connects, and the other end is connected with the hook on distal movement of molar palate bar, moves integrally, thus reach in making maxillary molar remote
To normal occluding relation.Carrying out grinding one's teeth in sleep vertically in time controlling, using orthodontic ligature wire by nickel titanium coil spring one end and plantation nail
Head ligation connects, and after the other end uses ligature to be directed around both sides molar band connecting rod, again ligatures and nails in plantation,
Grind one's teeth in sleep forcing down both sides.
According to this dental appliance, it makes and simple to operate, less demanding to the technology of technician；Without considering plantation nail
The space of distal movement of molar is limited by position, can effectively reduce the workload during treatment, improve and treat type below.
The structural representation of the another kind of dental appliance that Fig. 2 provides for this utility model embodiment, as in figure 2 it is shown,
Dental appliance 20, including: the upper jaw first and two molar bands 21,22, micro-implant anchorage nail 23, nickel titanium coil spring 24, correction is tied
Tied silk 25；Also include: distal movement of molar palate bar 26, band connecting rod 27.Wherein, distal movement of molar palate bar includes: main palate bar vertical component effect
261, horizontal part 262 and two hooks 263,264, two hooks are respectively positioned on distal movement of molar palate bar horizontal part, most advanced and sophisticated relative.
Distal movement of molar palate bar is welded on the upper jaw first and second molar band, uses orthodontic ligature wire that nickel titanium coil spring pulls open one times of length,
Making nickel titanium coil spring one end be connected with the ligation of micro-implant anchorage nail head, the other end is with two hooks on distal movement of molar palate bar even
Connect.
Wherein, the occlusogingival distance of main palate bar vertical component effect from consistent with maxillary molar root difference height, horizontal part hook
Between width and micro-implant anchorage nail between width consistent.When reinforcing far moves maxillary molar, make what micro-implant anchorage followed closely to execute
Force and maxillary molar impedance center are highly consistent, and jaw first and two molar bands are welded with MBT buccal tube, in early days maxillary dentition
Do not come into line leveling and after maxillary dentition comes into line leveling completely, all can carry out maxillary molar overall remote in mobile.
It addition, carrying out vertically in time controlling to grinding one's teeth in sleep, use orthodontic ligature wire by nickel titanium coil spring one end and plantation ailhead
Portion's ligation connects, and after the other end uses ligature to be directed around both sides molar band connecting rod, again ligatures and nails in plantation.
Preferably, micro-implant anchorage nail is absolute anchorage, thus provides strong for first and second remote middle movement the grind one's teeth in sleep
Anchorage, prevents labial teeth stress from producing unnecessary moving back and forth.
Preferably, distal movement of molar palate bar is bent by the stainless steel round wire of diameter 1.0mm and forms, and hook is by diameter 0.8mm
Stainless steel silk bend and form；Molar band is made up of the stainless steel substrates of 0.3mm thickness, and MBT buccal tube is welded in band cheek
Appropriate location, face；Band connecting rod is made up of the stainless steel silk of diameter 0.8mm, and it is welded in the palate side between two bands.
During use, at the closely middle contact point line of patient's upper jaw palate side first molar and Palatal suture intersection point both sides 3mm palatine mucosa
Locate one micro-implant anchorage nail of each implantation (Ormco titanium alloy is followed closely for diameter 2mm, length 10mm).Concrete implantation position passes through patient
Upper jaw bone CT determines, should avoid maxillary first molar palate root.
Distal movement of molar palate bar and the upper jaw first and two molar bands are tried in mouth, adjust distal movement of molar palate bar so that it is
It coincide with molar shapes with palatine mucosa distance 1.5mm, the upper jaw first and two molar band edges, use orthodontic ligature wire by NiTi
One times of length is pulled open in extension spring, and one end is connected with the nail ligation of micro-implant anchorage, and the other end is with the hook on distal movement of molar palate bar even
Connect, move integrally in making maxillary molar remote.Grind one's teeth in sleep vertically in time controlling, use orthodontic ligature wire by nickel titanium coil spring one end and micro-kind
Plant the ligation of anchorage nail head to connect, after the other end uses orthodontic ligature wire to be directed around the band connecting rod of both sides maxillary molar,
Again ligature on distal movement of molar palate bar.
It is vertical to control that distance between distal movement of molar palate bar and mucosa can be used for maxillary molar, for the skeletal classⅡ angle of elevation
The maxillary molar of patient forces down, and closes plane and rotates counterclockwise to improve side looks.
The use schematic diagram of the dental appliance that Fig. 3 provides for this utility model embodiment, as it is shown on figure 3, coordinate micro-
Implant anchorage nail carries out distal movement of molar and vertically includes to the appliance controlled: distal movement of molar palate bar 1,2,3, the upper jaw first and two
Molar band and MBT buccal tube 4,5, band connecting rod 6, micro-implant anchorage nail 7, nickel titanium coil spring 8.Distal movement of molar palate bar includes:
Main palate bar vertical component effect 1, horizontal part 2 and hook 3；Two hooks are positioned at palate bar front, and tip and opening are relative.
After the micro-implant anchorage of implantation follows closely 2 weeks, making the upper jaw first and second molar band, MBT buccal tube is welded in cheek side, then
Produce upper jaw functional impression, upper jaw work model makes distal movement of molar palate bar.Palate bar and spacing 1.5mm of mucosa,
Extend to palate side from maxillary second molar band, transfer to premolars direction, distal movement of molar palate bar distance tooth palate side gum edge
3mm, to canine tooth, premolars intersection, is horizontal part to offside turnover, extends to canine tooth, premolars intersection, and it is right to turn again to
Second molar palate side, side band；Hook is made to be positioned at vertical line and the distal movement of molar palate bar point of intersection of micro-implant anchorage nail line, two
The tip of individual hook is relatively.
Make the main palate bar vertical component effect occlusogingival distance of distal movement of molar palate bar from highly consistent with root difference of grinding one's teeth in sleep；And make horizontal part
Consistent with the width between hook and the width between horizontal part and micro-implant anchorage nail, when reinforcing far moves, maxillary molar
Move integrally in keeping far.
Fig. 4,5 respectively use the schematic diagram of maxillary molar before and after dental appliance of the present utility model treatment.Permissible
Finding out, compared with prior art, dental appliance of the present utility model, being combined with micro-implant anchorage nail by distal movement of molar palate bar should
With, and utilizing the elastic deformation of nickel titanium coil spring far to move maxillary molar, it makes and simple to operate, requires the technology of technician not
High；Without considering that plantation nail position, to the remote stop moving root of the tooth of grinding one's teeth in sleep, can effectively reduce the workload during treatment；Will not produce
Tilt in remote and tongue is to rotation, reach improve occluding relation and treat the effect of type below.
The foregoing is only the schematic detailed description of the invention of this utility model, without departing from design of the present utility model and
On the premise of principle, equivalent variations that any those skilled in the art is made and amendment, this utility model all should be belonged to and protect
The scope protected.
Claims (8)
1. dental appliance, including: the upper jaw first and two molar bands, micro-implant anchorage nail, nickel titanium coil spring, orthodontic ligature wire；
It is characterized in that, dental appliance also includes: distal movement of molar palate bar, band connecting rod, wherein, and described distal movement of molar palate bar bag
Including: main palate bar vertical component effect, horizontal part and two hooks, described distal movement of molar palate bar is welded in the described upper jaw first and second and grinds one's teeth in sleep
On band, use described orthodontic ligature wire that described nickel titanium coil spring pulls open one times of length, make described nickel titanium coil spring one end with described
The ligation of micro-implant anchorage nail head connects, and the other end is connected with the said two hook on described distal movement of molar palate bar.
Dental appliance the most according to claim 1, it is characterised in that the occlusogingival distance of described main palate bar vertical component effect from
Maxillary molar root difference height consistent, between width and the micro-implant anchorage nail between horizontal part hook, width is consistent, micro-
The point of application and the maxillary molar impedance center of implant anchorage nail are highly consistent；The upper jaw first and two molar bands are welded with MBT buccal surface
Pipe.
Dental appliance the most according to claim 1 and 2, it is characterised in that one end of nickel titanium coil spring is by described correction
The head ligation of ligature and described micro-implant anchorage nail connects, and the other end of nickel titanium coil spring uses described orthodontic ligature wire to guide
After walking around the described band connecting rod of maxillary molar described in both sides, again ligature and nail in described micro-implant anchorage.
Dental appliance the most according to claim 1 and 2, it is characterised in that two described hooks are respectively positioned on described water
Flat portion, tip and the opening of described hook are relative.
5. according to the dental appliance described in any one of claim 1 or 2, it is characterised in that described micro-implant anchorage nail is exhausted
To anchorage.
Dental appliance the most according to claim 1 and 2, it is characterised in that described distal movement of molar palate bar is by diameter 1.0mm
Stainless steel round wire bend and form, described hook is bent by the stainless steel silk of diameter 0.8mm and forms.
Dental appliance the most according to claim 1 and 2, it is characterised in that the described upper jaw first and two molar bands by
The stainless steel substrates of 0.3mm thickness is made.
Dental appliance the most according to claim 1 and 2, it is characterised in that described band connecting rod is by diameter 0.8mm's
Stainless steel silk is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233494.2U CN205795829U (en) | 2016-03-25 | 2016-03-25 | Dental appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233494.2U CN205795829U (en) | 2016-03-25 | 2016-03-25 | Dental appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205795829U true CN205795829U (en) | 2016-12-14 |
Family
ID=58144717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620233494.2U Active CN205795829U (en) | 2016-03-25 | 2016-03-25 | Dental appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205795829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877856A (en) * | 2016-03-25 | 2016-08-24 | 首都医科大学附属北京口腔医院 | Tooth correcting appliance and use method thereof |
| CN107981943A (en) * | 2017-12-29 | 2018-05-04 | 南京医科大学附属口腔医院 | A kind of implant anchorage combined type is unilateral to expand bow device |
-
2016
- 2016-03-25 CN CN201620233494.2U patent/CN205795829U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877856A (en) * | 2016-03-25 | 2016-08-24 | 首都医科大学附属北京口腔医院 | Tooth correcting appliance and use method thereof |
| CN107981943A (en) * | 2017-12-29 | 2018-05-04 | 南京医科大学附属口腔医院 | A kind of implant anchorage combined type is unilateral to expand bow device |
| CN107981943B (en) * | 2017-12-29 | 2023-10-13 | 南京医科大学附属口腔医院 | Combined single-side bow expander for planting anchorage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |