CN209695419U - Expand begg appliance device - Google Patents
Expand begg appliance device Download PDFInfo
- Publication number
- CN209695419U CN209695419U CN201920092116.0U CN201920092116U CN209695419U CN 209695419 U CN209695419 U CN 209695419U CN 201920092116 U CN201920092116 U CN 201920092116U CN 209695419 U CN209695419 U CN 209695419U
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- base
- plastic base
- steel wire
- lip
- expansion
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- 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
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to oral orthodontic appliance technical fields, aiming at the problem that steel wire is difficult to the synchronous position for adapting to tooth in the adjustment process for expanding begg appliance device, provide a kind of expansion begg appliance device, the technical solution is as follows: including expansion screw, plastic base, plastic base includes the first base and the second base, the marginal position of plastic base is arranged according to teeth patterning, plastic base bends equipped with lip, the both ends of lip bow are connect with the first base and the second base respectively, the position of first base and the bow connection of the second base and lip is respectively and fixedly provided with connection steel wire, it connects steel wire and is rotatably connected to nut far from one end of plastic base, the both ends of lip bow are connect with nut thread respectively.When adjusting the position of plastic base, bend the nut that both ends are threadedly coupled with lip by rotating to adjust the position of lip bow, is conducive to lip and bends and connect steel wire cooperation to clamp tooth, so that lip bow is adaptable to the different position of expansion screw and adjusts.
Description
Technical field
The utility model relates to oral orthodontic appliance technical fields, more specifically, it relates to a kind of expansion begg appliance device.
Background technique
Orthodontic is that malocclusion is treated by the methods of correction or surgical operation, and malocclusion refers to that children growth is sent out
During educating, the tooth as caused by innate factor or acquired disposition, jawbone, cranium face deformity, malocclusion and saprodontia, periodontal one
It rises and is listed in the big common disease in oral cavity three.
In the correcting technology of tooth, expanding begg appliance device technology is to open a kind of technology stitched in Hubei Province, can bend its left and right
It is average to separate, it is for a kind of remedy measures used the case where correcting crowded dentition.Existing expansion begg appliance device mainly wraps
It includes expansion screw and is fixed on expansion screw to the plastic base for rescuing lopsided tooth, in order to which plastic base is steady
Due to be usually fixed in the oral cavity of user, on plastic base with tooth push against steel wire.But since fixation with steel wire is in modeling
Expect on base, when the tooth position of user changes under the action of appliance, needs to readjust the position of plastic base
When setting, steel wire can be moved synchronously with plastic base, so that steel wire is easy to misplace between tooth, so that steel wire holds
It is easily separated with tooth, and then plastic base is easy to cause to be difficult to be stable in the oral cavity of user, be easy to influence to expand begg appliance device
Rectifying effect therefore still have improved space.
Utility model content
In view of the deficienciess of the prior art, having just the purpose of this utility model is to provide a kind of expansion begg appliance device
In adjust steel wire position the advantages of.
To achieve the above object, the utility model provides following technical solution:
A kind of expansion begg appliance device, including expansion screw, the plastic base being fixedly connected with expansion screw, the plastics
Base includes the first base and the second base, and first base and the second base are individually fixed in the two of expansion screw
End, the marginal position of the plastic base are arranged according to teeth patterning, and the plastic base bends equipped with lip, and the two of the lip bow
End is connect with the first base and the second base respectively, and the position that first base and the second base and lip bow connect is solid
Surely there is connection steel wire, the connection steel wire is rotatably connected to nut, the both ends point of the lip bow far from one end of plastic base
It is not connect with nut thread, the two sides of the plastic base are also respectively fixed with arrow card, and the arrow card is individually fixed in
On one base and the second base.
By adopting the above technical scheme, when the tooth position of user changes, need to readjust the position of plastic base
When setting, the position of the first base and the second base is adjusted by first adjusting expansion screw, so that the first base and
The marginal position and tooth of two bases push against, then bend the nut that both ends are threadedly coupled with lip by rotation to adjust the position of lip bow
It sets, so that lip bow and the outside of tooth push against, cooperates with steel wire is connect to clamp tooth, so that plastics base to be conducive to lip bow
Support is stable in the oral cavity of user, and then is conducive to expansion begg appliance device and is preferably played correcting action, so that expanding begg appliance device
Rectifying effect improve, be adjusted at any time convenient for the position of plastic base according to practical；By the setting of arrow card, convenient for logical
Cross promotion arrow card with wear and dismantle expand begg appliance device, it is easy to operate；In addition, it is adjusted by the thread the position of lip bow, so that
The position of lip bow can be finely adjusted, to be conducive to mention the precision of high labial arch position adjusting, so that the position of lip bow is more
Add the actual conditions for being adapted to user, is conducive to improve the rectifying effect for expanding begg appliance device；Being threadedly coupled also has self-locking function
Can, to be conducive to propose the stability of high labial arch, so that being not easy due to nut rotates after the position of lip bow is fixed
Change in location, and then be conducive to improve the rectifying effect for expanding begg appliance device.
The utility model is further arranged to: the both ends of the lip bow are all provided with restricted lip and bend the limitation separated with nut
Part.
By adopting the above technical scheme, by the setting of limited part so that lip bow be not easy during adjusting position with
Nut separation is difficult to lip bending the case where reinstalling up to reduce after lip bow is detached from nut.
The utility model is further arranged to: the limited part includes the confinement block for being fixed on lip bow both ends, the connection
Steel wire is provided with the sliding slot for confinement block sliding far from the inner wall of plastic base one end, and the connection end of the steel wire far from base is convex
Restricted confinement block skids off the limit plate of sliding slot out.
By adopting the above technical scheme, by limit plate limit confinement block skid off sliding slot with limit lip bow separated with nut it is same
When, so that lip bow is in the process of moving, confinement block slides along the chute always, so that the motion track of lip bow is defined,
To reduce the case where lip bow is easy that positional shift occurs in the process of moving, lip bow is caused to easily deform.
The utility model is further arranged to: the sliding slot and confinement block are in a rectangular parallelepiped shape.
By adopting the above technical scheme, the setting by sliding slot and confinement block in a rectangular parallelepiped shape, so that confinement block is in lip
It is less likely to occur to rotate during bow is mobile, so that lip bow is less likely to occur to rotate in the process of moving, reduces lip
Bow is easy the case where rotating synchronously with nut and be difficult to happen displacement in the process of moving.
The utility model is further arranged to: it is described connection steel wire and arrow card be embedded in plastic base inside and with
Plastic base integrally connected.
By adopting the above technical scheme, inside and and the plastics of plastic base are embedded in by connection steel wire and arrow card
The setting of base integrally connected is conducive to the connective stability between enhancing connection steel wire and arrow card and plastic base, from
And make when pushing arrow card to expand begg appliance device to dismantle, it connects steel wire and arrow card is not easy to separate with plastic base,
It is conducive to extend the service life for expanding begg appliance device.
The utility model is further arranged to: it is described connection steel wire and arrow card be embedded in plastic base end bending
Fold is in a ring.
By adopting the above technical scheme, by connection steel wire and arrow card be embedded in plastic base end bending fold with
Setting in a ring is conducive to the contact area for increasing connection steel wire and arrow card and plastic base, to be conducive to improve
The connective stability for connecting steel wire and arrow card and plastic base, so that plastic base is not allowed during installation and removal
It is easily separated with connection steel wire and arrow card, and then is conducive to extend the service life for expanding begg appliance device；Meanwhile so that connection steel
Silk and arrow are placed in the area ratio plastic base of the end in plastic base for accommodating connection steel wire and arrow card
Space area it is big so that connection steel wire and arrow be placed in the end in plastic base and blocked by plastic base,
It reduces connection steel wire and arrow card is easy by de- for accommodating the space of connection steel wire and arrow card inside plastic base
The case where from plastic base.
The utility model is further arranged to: the turn position of the lip bow and arrow card is bent setting.
By adopting the above technical scheme, setting is bent by lip bow and the turn position of arrow card, be conducive to making
The oral cavity of user is protected, and reduces lip bow and arrow card convex for the part sharp comer easy to form of plastic base and to making
The case where damage, is caused in the oral cavity of user, is conducive to improve the usage comfort for expanding begg appliance device.
The utility model is further arranged to: the equal rounded corner of the marginal position of the plastic base and round and smooth setting.
By adopting the above technical scheme, by the equal rounded corner of the marginal position of plastic base and round and smooth setting, be conducive to making
The mouth oral cavity of user is protected, and the marginal position for reducing plastic base is easy the case where damage is caused to the oral cavity of user.
The utility model is further arranged to: the plastic base is equipped with the instruction that instruction expansion screw adjusts direction
Arrow.
By adopting the above technical scheme, the arrow in instruction expansion screw adjusting direction is equipped with by plastic base
Setting, it is easy to operate convenient for the adjusting of expansion screw.
In conclusion the utility model has the following beneficial effects:
1. the tooth position as user changes, when needing to readjust the position of plastic base, by first adjusting
Expansion screw is to adjust the position of the first base and the second base, then passes through rotation and bend the nut that both ends are threadedly coupled with lip
To adjust the position of lip bow, is conducive to lip bow and cooperates with steel wire is connect to clamp tooth, so that plastic base is stable at user
Oral cavity in so that the rectifying effect for expanding begg appliance device improves, carried out at any time convenient for the position of plastic base according to practical
It adjusts；
2. begg appliance device is expanded convenient for wearing and dismantling by pushing arrow card by the setting of arrow card, it is easy to operate；
3. the position of lip bow is adjusted by the thread, so that the position of lip bow can be finely adjusted, to be conducive to mention high labial arch
The precision that position is adjusted is conducive to improve and expands bow so that the position of lip bow is more adaptive to the actual conditions of user
The rectifying effect of appliance；
4. being threadedly coupled also has self-locking function, to be conducive to propose the stability of high labial arch, so that the position of lip bow is solid
After fixed it is not easy that change in location occurs because nut rotates, and then is conducive to improve the rectifying effect for expanding begg appliance device.
Detailed description of the invention
Fig. 1 is the overall structure diagram for expanding begg appliance device in the utility model；
Fig. 2 is the perspective view of the explosion for expanding begg appliance device in the utility model；
Fig. 3 is the enlarged diagram in the portion A in Fig. 2.
In figure: 1, plastic base；11, the first base；12, the second base；2, arrow card；21, raised；22, trough；3, spiral shell
Bow device is expanded in rotation；4, lip bends；5, steel wire is connected；51, nut；6, limited part；61, confinement block；62, sliding slot；63, limit plate.
Specific embodiment
With reference to the accompanying drawings and embodiments, the utility model is described in further detail.
A kind of expansion begg appliance device, referring to Fig. 1, including expansion screw 3, the plastics base being fixedly connected with expansion screw 3
Support 1, plastic base 1 include the first base 11 and the second base 12, and the first base 11 and the second base 12 are individually fixed in
The both ends of expansion screw 3.The marginal position of plastic base 1 is manufactured according to the shape of tooth.Lip bow is additionally provided on plastic base 1
4 and arrow card 2, lip bow 4 is in not closed class annular.
Referring to Fig. 1, plastic base 1 is colorless and transparent, the equal rounded corner setting of the marginal position of plastic base 1, meanwhile, plastics base
The round and smooth setting in the edge of support 1.Arrow (the figure of the rotation direction of mark expansion screw 3 is further fixed on plastic base 1
In be not shown).
Referring to Fig. 1 and Fig. 2, there are two arrow card 2 is set, two arrow cards 2 are located at the two sides of plastic base 1, and two
A arrow card 2 is individually fixed on the first base 11 and the second base 12.The arrow card 2 being fixedly connected with the first base 11 leans on
One end of nearly first base 11 is embedded in 11 inside of the first base thus with 11 integrally connected of the first base, consolidates with the second base 12
Surely the arrow card 2 connected is embedded in 12 inside of the second base close to one end of the second base 12 to integrally connect with the second base 12
It connects.
Referring to Fig. 1 and Fig. 2, the end that two arrow cards 2 are embedded in inside the first base 11 and the second base 12 is curved
Song fold is in a ring.Arrow card 2 forms the rectangular protrusion of class far from the curving of the first base 11 and the second base 12
21, the both ends of protrusion 21 are recessed and have the trough 22 of class " u "-shaped.When expansion begg appliance device is worn on the tooth of user, wave
The tooth of paddy 22 and user push against.
Connection steel wire 5 is also fixedly connected with referring to Fig. 1 and Fig. 2, on plastic base 1, connection steel wire 5 is equipped with two, two
Root connection steel wire 5 is located at two sides of the plastic base 1 far from 2 one end of arrow card, two connection steel wires 5 respectively with the first base
11 and second base 12 be fixedly connected.The end for the connection steel wire 5 being fixedly connected with the first base 11 is embedded in the first base
11 inside is to which with 11 integrally connected of the first base, the connection steel wire 5 being fixedly connected with the second base 12 is embedded in the second base
The inside of support 12 is thus with 12 integrally connected of the second base.Connection steel wire 5 is embedded in the first base 11 and the second base 12
The end bending fold in portion is in a ring.
Referring to fig. 2 and Fig. 3, the inner wall of two connection ends of the steel wire 5 far from plastic base 1 have hollowed out sliding slot 62,
In a rectangular parallelepiped shape, two connection ends of the steel wire 5 far from plastic base 1 are also rotatably connected to nut 51, lip bow 4 and modeling to sliding slot 62
The outer wall at the both ends that material base 1 connects is provided with screw thread, the both ends of lip bow 4 respectively be rotationally connected with two and connect steel wire 5
On nut 51 be threadedly coupled.
Referring to fig. 2 and Fig. 3, it is additionally provided with limitation lip on lip bow 4 and bends 4 limited parts 6 isolated with nut 51.Limited part 6 wraps
It includes and is fixed on the confinement block 61 that lip bends 4 ends, in a rectangular parallelepiped shape, 62 sliding along the chute of confinement block 61 connects steel wire 5 to confinement block 61
Also protrude the limit plate 63 that restricted confinement block 61 is detached from sliding slot 62 in end far from plastic base 1.
Referring to fig. 2, the turn position for connecting steel wire 5, arrow card 2 and lip bow 4 is bent and round and smooth setting.
The operating condition and principle of the present embodiment are as follows:
The expansion begg appliance device that appropriate size is configured according to the practical orthodontic condition of user's tooth, when plastic base 1 is in
When molten condition, corresponding expansion screw 3, connection steel wire 5, arrow card 2 and lip bow 4 are embedded in plastic base 1 and are closed
On suitable position, then coagulation forming expands begg appliance device to be formed.
When the tooth position of user changes, and needs to finely tune the position of plastic base 1 again, rotation spiral shell is first passed through
Rotation expands bow device 3 to adjust the position of the first base 11 and the second base 12, so that the first base 11 and the second base 12
Marginal position is pushed against with tooth, then by rotating nut 51 lip bow 4 is slided along connection steel wire 5, to adjust lip bow 4
Position, so that lip bow 4 and the outside of tooth push against, and then are conducive to lip bow 4 and cooperate with steel wire 5 is connect to clamp tooth, so that
The stability of plastic base 1 improves, and reduces plastic base 1 and is easy the case where loosening, and then is conducive to expand begg appliance device preferably
Play correcting action so that the rectifying effect for expanding begg appliance device improves, meanwhile, convenient for lip bow 4 position according to the reality of user
Border situation is adjusted in real time.
It is connected through a screw thread to adjust the position of lip bow 4, so that the position of lip bow 4 can be finely adjusted, is conducive to improve and adjust
The precision of section, so that the fixation position of lip bow 4 is more accurate, to be conducive to reinforce matching between lip bow 4 and connection steel wire 5
It closes to clamp tooth, so that the stability for expanding begg appliance device improves, and then is conducive to improve the rectifying effect for expanding begg appliance device；Together
When, using the self-locking function of threaded connection, so that after the position of lip bow 4 is fixed being not easy that position occurs because of the rotation of nut 51
It moves, to be conducive to improve the rectifying effect for expanding begg appliance device.
The rectangular protrusion 21 of class and the rectangular protrusion of class are formed by bending far from one end of plastic base 1 by arrow card 2
21 both ends, which are recessed, the setting of the trough 22 of class " u "-shaped, expands begg appliance device convenient for dismantling by pushing protrusion 21, operation
It is easy；Meanwhile the trough 22 of class " u "-shaped and tooth push against the contact area for being conducive to increase arrow card 2 and tooth, so that
Arrow card 2 is not easy to separate with tooth, is conducive to the stability for improving arrow card 2, in addition, the trough 22 of class " u "-shaped makes arrow
The corner location of head card 2 is round and smooth, advantageously reduces arrow card 2 and is easy the case where causing damage to the oral cavity of user, thus
So that the usage comfort for expanding begg appliance device improves.
It is embedded in plastic base 1 by one end that connection steel wire 5 and arrow card 2 are fixedly connected with plastic base 1
Portion is with integrally connected and end bending fold is with setting in a ring, is conducive to increase connection steel wire 5 and arrow card 2 and plastics
Contact area between base 1, so that the connective stability between connection steel wire 5 and arrow card 2 and plastic base 1 increases
By force, so that connection steel wire 5 and arrow card 2 are not easy to divide with plastic base 1 during expanding the installation and removal of begg appliance device
From, be conducive to extend expand begg appliance device service life；Meanwhile so that connection steel wire 5 and arrow card 2 are placed in plastic base 1
It is big for accommodating the area in the space of connection steel wire 5 and arrow card 2 in the area ratio plastic base 1 of interior end, to make
The end that steel wire 5 and arrow card 2 are placed in plastic base 1 must be connected to be blocked by plastic base 1, reduce connection steel wire 5 and
Arrow card 2 is easy by being detached from plastic base 1 for accommodating the space of connection steel wire 5 and arrow card 2 inside plastic base 1
Situation.
Confinement block 61 is limited by limit plate 63 and sliding slot 62 is detached to limit the separation of lip bow 4 with nut 51, so that lip
Bow 4 is not easy to be defined the motion track of lip bow 4 during the motion, reduces lip bow 4 and exists
The case where being easy to happen positional shift in moving process and leading to lip 4 deformation of bow；By sliding slot 62 and confinement block 61 in length
The setting of cube shape, so that confinement block 61 is less likely to occur to rotate in the sliding process of lip bow 4, so that lip bow 4 is moving
It is less likely to occur to rotate during dynamic, and then reducing that lip bow 4 is easy in moving process can not due to rotating synchronously with nut 51
It is subjected to displacement, the position of lip bow 4 is caused to be difficult to the case where adjusting.
Pass through the round and smooth setting in the turn position of lip bow 4 and arrow card 2 and the equal rounding of marginal position of plastic base 1
Angle and round and smooth setting are conducive to protect the oral cavity of user, reduce lip bow 4 and arrow card 2 protrudes from plastic base 1
Part and plastic base 1 marginal portion be easy to the oral cavity of user cause damage the case where, be conducive to improve expand bow
The usage comfort of appliance.
By being fixed with the setting of the arrow of the rotation direction of mark expansion screw 3 on plastic base 1, it is convenient for root
The position that the first base 11 and the second base 12 are adjusted according to the mark rotation expansion screw 3 of arrow, is convenient for spiral
Expand the adjusting of bow device 3, so that working efficiency improves.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of expansion begg appliance device, it is characterized in that: the plastics for including expansion screw (3), being fixedly connected with expansion screw (3)
Base (1), the plastic base (1) include the first base (11) and the second base (12), first base (11) and
Second base (12) is individually fixed in the both ends of expansion screw (3), and the marginal position of the plastic base (1) is according to tooth shape
Shape setting, the plastic base (1) are equipped with lip bow (4), the both ends of lip bow (4) respectively with the first base (11) and the
The position that two bases (12) connection, first base (11) and the second base (12) are connect with lip bow (4) is respectively and fixedly provided with company
It connects steel wire (5), connection steel wire (5) is rotatably connected to nut (51) far from the one end of plastic base (1), the lip bow
(4) both ends are threadedly coupled with nut (51) respectively, and the two sides of the plastic base (1) are also respectively fixed with arrow card (2), institute
Arrow card (2) is stated to be individually fixed on the first base (11) and the second base (12).
2. expansion begg appliance device according to claim 1, it is characterized in that: the both ends of lip bow (4) are all provided with restricted lip bow
(4) limited part (6) separated with nut (51).
3. expansion begg appliance device according to claim 2, it is characterized in that: the limited part (6) includes being fixed on lip bow (4) two
The confinement block (61) at end, connection steel wire (5) are provided with far from the inner wall of plastic base (1) one end for confinement block (61) sliding
Sliding slot (62), connection steel wire (5) protrude the limit that restricted confinement block (61) skids off sliding slot (62) far from the end of base
Plate (63).
4. expansion begg appliance device according to claim 3, it is characterized in that: the sliding slot (62) and confinement block (61) are in length
Cube shape.
5. expansion begg appliance device according to claim 1, it is characterized in that: the connection steel wire (5) and arrow card (2) insertion
To plastic base (1) inside and with plastic base (1) integrally connected.
6. expansion begg appliance device according to claim 5, it is characterized in that: the connection steel wire (5) and arrow card (2) insertion
To the bending fold of the end of plastic base (1) in a ring.
7. expansion begg appliance device according to claim 1, it is characterized in that: the turn position of lip bow (4) and arrow card (2)
Set bending setting.
8. expansion begg appliance device according to claim 1, it is characterized in that: the equal rounding of marginal position of the plastic base (1)
Angle and round and smooth setting.
9. expansion begg appliance device according to claim 1 expands it is characterized in that: the plastic base (1) is equipped with instruction spiral
Bend the arrow that device (3) adjust direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092116.0U CN209695419U (en) | 2019-01-18 | 2019-01-18 | Expand begg appliance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092116.0U CN209695419U (en) | 2019-01-18 | 2019-01-18 | Expand begg appliance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209695419U true CN209695419U (en) | 2019-11-29 |
Family
ID=68639875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920092116.0U Active CN209695419U (en) | 2019-01-18 | 2019-01-18 | Expand begg appliance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209695419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842580A (en) * | 2021-01-18 | 2021-05-28 | 北京大学口腔医学院 | Control method of orthodontic arch expanding device capable of accurately applying force |
| CN114209455A (en) * | 2022-01-05 | 2022-03-22 | 中国人民解放军空军军医大学 | Multidirectional bow expander |
-
2019
- 2019-01-18 CN CN201920092116.0U patent/CN209695419U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842580A (en) * | 2021-01-18 | 2021-05-28 | 北京大学口腔医学院 | Control method of orthodontic arch expanding device capable of accurately applying force |
| CN112842580B (en) * | 2021-01-18 | 2022-02-18 | 北京大学口腔医学院 | Control method of orthodontic arch expanding device capable of accurately applying force |
| CN114209455A (en) * | 2022-01-05 | 2022-03-22 | 中国人民解放军空军军医大学 | Multidirectional bow expander |
| CN114209455B (en) * | 2022-01-05 | 2023-11-03 | 中国人民解放军空军军医大学 | Multidirectional bow expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200727 Address after: 430000 1-3 / F, 43 Chuangye 5th Road, Wuhan Economic and Technological Development Zone, Wuhan, Hubei Province Patentee after: Wuhan aesthetic denture factory Address before: 511453 floor 4 and 5, workshop 9, No. 481, Tainan Road, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU JGQ INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |