CN209678718U - Dental-implant central screw and its fracture restoration device - Google Patents
Dental-implant central screw and its fracture restoration device Download PDFInfo
- Publication number
- CN209678718U CN209678718U CN201821826841.8U CN201821826841U CN209678718U CN 209678718 U CN209678718 U CN 209678718U CN 201821826841 U CN201821826841 U CN 201821826841U CN 209678718 U CN209678718 U CN 209678718U
- Authority
- CN
- China
- Prior art keywords
- screw
- hole
- screw rod
- base station
- implant denture
- 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
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Abstract
The utility model discloses a kind of center screw that can be used for implant denture, is made of screw terminal and screw rod, and the first counterbore is offered on the upper surface of screw terminal, offers first through hole in screw rod.Screw terminal is made of upper cylindrical portion and lower rotary table portion, and the first counterbore is provided in cylindrical portion；Screw rod is in round bar shape, and the first screw thread is offered on the outer wall of the lower part of screw rod, and the cross section of first through hole is in multilateral shape, elliptical shape or abnormity.The invention also discloses implant denture and fracture restoration device, implant denture includes planting body and base station, and base station is connected on planting body by center screw, and fracture restoration device includes handle and bull stick, the taking-up of center screw after prosthetic device is used to be broken.Implant denture structure in the utility model is simple, and later period maintenance replacement is convenient, creative high.
Description
Technical field
The utility model relates to artificial tooth implanting technical fields, and in particular to dental-implant central screw and its fracture restoration dress
It sets.
Background technique
Implant denture is deep due to its Comfortable attractive to be faced as a kind of novel tooth recovery technique to grow up in recent years
The welcome of bed doctor and patient.Implant prostheses work is complicated, and clinical effectiveness is influenced by multiple factors, planting body center spiral shell
Silk fracture is more typical implant denture complication.The report taken out after the previous fracture in relation to planting body center screw, including cut
It opens and is screwed out using dental explorer after gum, instrument auxiliary is frustrated with the expansion of ultrasonic wave root canal takes out, the methods of drilled through out with slow machine ball adding,
Although there is certain effect, the complicated for operation and effect having is uncertain, and some is to planting body or alveolar bone, gum wound
It is larger, very big pain is caused to patient.The present Research of the domestic and international dental-implant central broken screw reparation of comprehensive analysis, with
It is main Research Challenges that cost small as far as possible, which completes repair,.
Utility model content
The purpose of this utility model is that a kind of center screw that can be used for implant denture, center screw can be more after fracture
It is taken out conveniently.
To achieve the goals above, the technical solution of use is the utility model:
A kind of center screw can be used for implant denture, is made of screw terminal and screw rod, opens on the upper surface of screw terminal
Equipped with the first counterbore, first through hole is offered in screw rod.
Preferably, the screw terminal is made of upper cylindrical portion and lower rotary table portion, and the first counterbore is provided in cylindrical portion；Spiral shell
Screw rod is in round bar shape, offers the first screw thread on the outer wall of the lower part of screw rod, and the cross section of first through hole is in multilateral shape, ellipse
Round or abnormity.
The another object of the utility model is to provide implant denture, which uses novel center screw, peace
Dress maintenance is more convenient.
To achieve the goals above, the technical solution of use is the utility model:
Implant denture, including planting body and base station, the base station are connected on planting body by center screw.
Preferably, the base station is made of upper roof platform and lower heavy platform, offers the first stepped hole in upper roof platform, in lower heavy platform
The second through-hole is offered, the second stepped hole is offered in planting body.
Preferably, the upper roof platform is connected to the upper end of planting body, and lower heavy platform is located in the top of the second stepped hole；Screw
Head is connected in the first stepped hole, and the top of screw rod is located in the second through-hole, and the lower part of screw rod passes through the first screw thread and the
The lower part helical of two stepped holes connects.
The another object of the utility model is to provide a kind of fracture restoration device, and fracture restoration device is used for implant denture
In center screw disassembly.
To achieve the goals above, the technical solution of use is the utility model:
A kind of fracture restoration device applied to implant denture, including handle and bull stick, handle are connected on bull stick, bull stick
Type face and the type face of first through hole be adapted, after fracture at the connecting pin of screw terminal and screw rod, bull stick can be plugged into the
In one through-hole, and rotatable Unscrewed screw bar.
Preferably, the handle includes the first holding rod and the first head, connected first head in the head of the first holding rod, bull stick
It is plugged in the first head and is connected by the first screw and the first head.
The beneficial effects of the utility model are:
Novel center screw is used in above-mentioned implant denture, first through hole is offered in center screw, first through hole is only
It is provided in screw rod.Then after the artificial tooth part on base station or base station is by external cross force, base station can pass power
At the connecting pin for passing screw terminal and screw rod, will easily it be broken at the connecting pin of screw terminal and screw rod.Work as screw
After being broken at the connecting pin of head and screw rod, the top of first through hole is exposed, and then bull stick is screwed into first through hole
It is easily accomplished the disassembly of fracture center screw.And planting body and base station are reusable, avoid subsequent replacement, greatly
Increase the convenience used and practicability.It is convenient that the reparation in the implant denture later period is replaced, and structure is simple and novel, creative
It is high.
Detailed description of the invention
Fig. 1 is planting body, base station and center screw connection structure schematic cross-sectional view.
Fig. 2 is planting body and base station connection structure schematic elevation view.
Fig. 3 is center screw overall structure schematic cross-sectional view.
Fig. 4 is center screw overall structure schematic elevation view.
Fig. 5 is the lower part schematic cross-sectional view of screw rod.
Fig. 6 is planting body overall structure schematic cross-sectional view.
Fig. 7 is base station overall structure schematic cross-sectional view.
Fig. 8 is fracture restoration device overall structure diagram.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing:
In conjunction with Fig. 1 to Fig. 8, a kind of center screw can be used for implant denture is made of, screw screw terminal 1 and screw rod 2
The first counterbore 101 is offered on first 1 upper surface, offers first through hole 21 in screw rod 2.
Screw terminal 1 is made of upper cylindrical portion 11 and lower rotary table portion 12, and the first counterbore 101 is provided in cylindrical portion 11.Spiral shell
Screw rod 2 is in round bar shape, the first screw thread 22 is offered on the outer wall of the lower part of screw rod 2, the cross section of first through hole 21 is in polygon
Shape, elliptical shape or abnormity, in actual use, the cross section of first through hole 21 can triangular in shape, quadrangle or five
Side shape etc..
Implant denture, including planting body 3 and base station 4, base station 4 are connected on planting body 3 by center screw.
Planting body 3 is cylindrical, and the second screw thread 31 is provided on the outer wall of planting body 3.Base station 4 is by upper roof platform 41 and sinks
Platform 42 forms, and offers the first stepped hole 411 in upper roof platform 41, offers the second through-hole 421 in lower heavy platform 42, in planting body 3
Offer the second stepped hole 32.
Upper roof platform 41 is connected to the upper end of planting body 3, and lower heavy platform 42 is located in the top of the second stepped hole 32.Screw terminal 1
It is connected in the first stepped hole 411, the top of screw rod 2 is located in the second through-hole 421, and the lower part of screw rod 2 passes through the first spiral shell
Line is connect with the lower part helical of the second stepped hole 32.
A kind of fracture restoration device applied to the implant denture, including handle 5 and bull stick 6, handle 5 are connected to bull stick
On 6, the type face of bull stick 6 and the type face of first through hole 21 are adapted.The cross section of bull stick 6 in the utility model is triangular in shape
Shape, the cross section triangular shape of first through hole 21.After fracture at the connecting pin of screw terminal 1 and screw rod 2, bull stick 6 can lead to
The top for crossing first through hole 21 is inserted into first through hole 21, and rotatable Unscrewed screw bar.
Handle 5 includes the first holding rod 51 and the first head 52, connected first head 52 in the head of the first holding rod 51, bull stick 6
It is plugged in the first head 52 and is connected by the first screw and the first head 52.
The fracture restoration method of center screw, specifically comprises the following steps:
The first step, after fracture at 1 screw terminal 1 of base station of implant denture and the connecting pin of screw rod 2,1 base station 3 of screw terminal
Not by the positioning action of screw terminal 1, base station 3 loosens.Then base station 3 is taken out from planting body 4.The screw terminal 1 being broken at this time
In base station 3, the screw rod 2 of fracture is connect with 22 lower part of the first screw thread with planting body 4, then the first of screw rod 22
Through-hole 21 exposes.
Second step holds handle 5, bull stick 6 is inserted into first through hole 21 from the top of first through hole 21, at this time bull stick
6 with 21 positive of first through hole.Then rotating handles 5 counterclockwise drive the screw rod 2 of fracture to turn counterclockwise by bull stick 6
It is dynamic, after screw rod 2 rotates counterclockwise, the gradually loose or dislocation of screw rod 2, until under the disassembly completely of the screw rod 2 of fracture, then people
Work takes out the screw rod 2 of fracture.
Third step takes out the screw terminal 1 of fracture from base station 5, provides a new center screw, by new central spiral shell
Silk is placed in base station 5, and then base station 5 and new center screw are placed in the second stepped hole 32, by the first counterbore, use spiral shell
Silk knife rotates clockwise center screw, and the threaded lower part of center screw and planting body 3 are connected.
Novel center screw is used in above-mentioned implant denture, offers first through hole 21, first through hole in center screw
21 are provided in screw rod 2.Then after the artificial tooth part on base station 4 or base station 4 is by external cross force, base station 4
At the connecting pin that screw terminal 1 and screw rod 2 can be transmitted the force to, will easily it occur at the connecting pin of screw terminal 1 and screw rod 2
Fracture.After fracture at the connecting pin of screw terminal 1 and screw rod 2, the top of first through hole 21 is exposed, and then screws in bull stick 6
Into first through hole 21, the disassembly of fracture center screw can be easily accomplished.And planting body 3 and base station 4 are reusable, keep away
Exempt from subsequent replacement, significantly increases the convenience used and practicability.The reparation in the utility model implant denture later period
Replacement is convenient, and structure is simple and novel, creative high.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (7)
1. a kind of center screw that can be used for implant denture, which is characterized in that be made of screw terminal and screw rod, screw terminal it is upper
The first counterbore is offered on end face, offers first through hole in screw rod.
2. a kind of center screw that can be used for implant denture according to claim 1, which is characterized in that the screw terminal by
Upper cylindrical portion and lower rotary table portion composition, the first counterbore are provided in cylindrical portion；Screw rod is in round bar shape, the lower part of screw rod
The first screw thread is offered on outer wall, the cross section of first through hole is in multilateral shape, elliptical shape or abnormity.
3. implant denture, including planting body and base station, which is characterized in that the base station passes through center as stated in claim 2
Screw connection is on planting body.
4. implant denture according to claim 3, which is characterized in that the base station is made of upper roof platform and lower heavy platform, on
The first stepped hole is offered in roof platform, and the second through-hole is offered in lower heavy platform, the second stepped hole is offered in planting body.
5. implant denture according to claim 4, which is characterized in that the upper roof platform is connected to the upper end of planting body, under
Heavy platform is located in the top of the second stepped hole；Screw terminal is connected in the first stepped hole, and the top of screw rod is located at the second through-hole
Interior, the lower part of screw rod is connect by the first screw thread with the lower part helical of the second stepped hole.
6. a kind of fracture restoration device applied to the implant denture described in claim 5, which is characterized in that including handle and
Bull stick, handle are connected on bull stick, and the type face of bull stick and the type face of first through hole are adapted, when the connection of screw terminal and screw rod
After being broken at end, bull stick be can be plugged into first through hole, and rotatable Unscrewed screw bar.
7. fracture restoration device according to claim 6, which is characterized in that the handle includes the first holding rod and the first bar
Head, connected first head in the head of the first holding rod, bull stick are plugged in the first head and are consolidated by the first screw and the first head
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826841.8U CN209678718U (en) | 2018-11-07 | 2018-11-07 | Dental-implant central screw and its fracture restoration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826841.8U CN209678718U (en) | 2018-11-07 | 2018-11-07 | Dental-implant central screw and its fracture restoration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209678718U true CN209678718U (en) | 2019-11-26 |
Family
ID=68594638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821826841.8U Expired - Fee Related CN209678718U (en) | 2018-11-07 | 2018-11-07 | Dental-implant central screw and its fracture restoration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209678718U (en) |
-
2018
- 2018-11-07 CN CN201821826841.8U patent/CN209678718U/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: 20191126 Termination date: 20211107 |