CN206822695U - A kind of eccentric bone plate for interfering anti-convolution combines with metallic screw - Google Patents
A kind of eccentric bone plate for interfering anti-convolution combines with metallic screw Download PDFInfo
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- CN206822695U CN206822695U CN201620980847.5U CN201620980847U CN206822695U CN 206822695 U CN206822695 U CN 206822695U CN 201620980847 U CN201620980847 U CN 201620980847U CN 206822695 U CN206822695 U CN 206822695U
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- screw
- bone plate
- nail
- head
- eccentric
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Abstract
The utility model discloses a kind of eccentric bone plate for interfering anti-convolution to combine with metallic screw, including bone plate and screw, and there is the lock hole of eccentric boss around being set on the bone plate, the screw includes the head of a nail and screw rod, the head of a nail is provided with the concentric concave station coordinated with boss, the bar portion screw thread for being connected with bone is provided with the screw rod outer wall, the head of a nail screw thread for being connected with metal bone fracture plate is provided with the head of a nail side wall outside；The utility model uses eccentric taper fit, simple to operate in operation, is that a kind of preferably bone plate combines with metallic screw the features such as Clinical practice safety and stability.
Description
Technical field
The utility model belongs to orthopaedic medical treatment field of surgical, and in particular to one kind can be prevented because vibrations produce screw
Loosen, the bias for improving surgical quality interferes the bone plate of anti-convolution to be combined with metallic screw.
Background technology
In recent years, with the development of medical field, when generation wound, disease, degeneration etc. cause bone disease, fracture
Wait, need to be treated by bone surgery more.Fixation implant conventional medical implant when bone plate is fracture.Due to mesh
After preceding conventional bone plate and screw placement human body, patient, because vibrations produce screw loosening, causes 2 times in life from now on
Operation, makes patient bear the pain on body and economic loss.
The content of the invention
The utility model proposes that the purpose is to provide a kind of eccentric interference to prevent back to solve the problems, such as that prior art is present
The bone plate of rotation combines with metallic screw.
The technical solution of the utility model is：
A kind of eccentric bone plate for interfering anti-convolution combines with metallic screw, including bone plate and screw, and the synthetism
There is the lock hole of eccentric boss, the screw includes the head of a nail and screw rod, and the head of a nail is provided with and boss around being set on plate
The concentric concave station coordinated, is provided with the bar portion screw thread for being connected with bone on the screw rod outer wall, outside the head of a nail side wall
On be provided with head of a nail screw thread for being connected with metal bone fracture plate.
Described boss and concave station are taper design.
There are plum blossom groove or six square grooves inside the described head of a nail.
Described screw and the material of described bone plate are metal.
The utility model uses eccentric taper fit, simple to operate in operation, the features such as Clinical practice safety and stability, is
A kind of preferably bone plate combines with metallic screw.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the schematic diagram of the utility model screw；
Fig. 3 is stress diagram after the utility model coordinates；
Wherein：
The head of a nail of 1 bone plate 2
The boss of 3 plum blossom groove 4
The lock hole of 5 locking screw thread 6
The head of a nail screw thread of 7 concave station 8
The screw rod of 9 bar portion screw thread 10
11 screws.
Embodiment
Hereinafter, the utility model is described in detail with embodiment referring to the drawings：
As shown in Fig. 1 ~ 3, a kind of eccentric bone plate for interfering anti-convolution combines with metallic screw, including bone plate 1 and spiral shell
Nail 11, and there is the lock hole 6 of eccentric boss 4 around being set on the bone plate 1, the screw 11 includes the head of a nail 2 and screw rod
10, the head of a nail 2 is provided with the concentric concave station 7 coordinated with boss 4, and the boss 4 has the locking screw thread 5 coordinated with the head of a nail 2,
The bar portion screw thread 9 for being connected with bone is provided with the outer wall of screw rod 10, is provided with and is used on the side wall outside of the head of a nail 2
The head of a nail screw thread 8 being connected with bone plate 1.
Described boss 4 and concave station 7 are taper design.
There is the square groove of plum blossom groove 3 or six inside the described head of a nail 2.
Described screw 11 and the material of described bone plate 1 are metal.
There is the locking screw thread 5 coordinated with metallic screw 11 on bone plate 1, have boss 4 around locking screw thread 5, boss 4 uses
Concave station 7 on bias design 6, with the head of a nail 2 coordinates, and eccentric boss 4, with taper design is combined into, acts power with the head of a nail 2, prevents
Only screw ensures the stability coordinated because of vibrations convolution.
The bar portion screw thread 9 for being connected with bone is provided with the outer wall of screw rod 10, is provided with and is used on the side wall outside of the head of a nail 2
The head of a nail screw thread 8 being connected with metal bone fracture plate 1, there is the square groove of plum blossom groove 3 or six inside the head of a nail 2.
After bone plate 1 is combined with metallic screw 11, the junction in the head of a nail 2 and eccentric 4 long portion of boss due to taper design and
By upward active force, the junction in the head of a nail 2 and eccentric 4 short portion of boss by the active force for prolonging radially outward side, concave station 7 by
To the active force to side-lower.Therefore having prevents because of vibrations generation screw loosening, prevents the characteristics of convolution, can effectively improve lock
Determine reliability, the stability that screw is connected with hone lamella, and the design structure is simple, have in operation easily operated, clinic makes
Use safety and stability.
The utility model uses eccentric taper fit, simple to operate in operation, the features such as Clinical practice safety and stability, is
A kind of preferably bone plate combines with metallic screw.
Claims (4)
1. a kind of eccentric bone plate for interfering anti-convolution combines with metallic screw, including bone plate（1）And screw（11）, its feature
It is：The bone plate（1）There is eccentric boss around upper setting（4）Lock hole（6）, the screw（11）Including the head of a nail
（2）And screw rod（10）, the head of a nail（2）It is provided with and boss（4）The concentric concave station coordinated（7）, the boss（4）With with nail
Cap（2）The locking screw thread of cooperation（5）, the screw rod（10）The bar portion screw thread for being connected with bone is provided with outer wall（9）, institute
State the head of a nail（2）It is provided with and is used for and bone plate on side wall outside（1）The head of a nail screw thread of connection（8）.
2. a kind of eccentric bone plate for interfering anti-convolution according to claim 1 combines with metallic screw, it is characterised in that：
Described boss（4）With concave station（7）For taper design.
3. a kind of eccentric bone plate for interfering anti-convolution according to claim 1 combines with metallic screw, it is characterised in that：
The described head of a nail（2）There is plum blossom groove inside（3）Or six square groove.
4. a kind of eccentric bone plate for interfering anti-convolution according to claim 1 combines with metallic screw, it is characterised in that：
Described screw（11）With described bone plate（1）Material be metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620980847.5U CN206822695U (en) | 2016-08-30 | 2016-08-30 | A kind of eccentric bone plate for interfering anti-convolution combines with metallic screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620980847.5U CN206822695U (en) | 2016-08-30 | 2016-08-30 | A kind of eccentric bone plate for interfering anti-convolution combines with metallic screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206822695U true CN206822695U (en) | 2018-01-02 |
Family
ID=60779520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620980847.5U Active CN206822695U (en) | 2016-08-30 | 2016-08-30 | A kind of eccentric bone plate for interfering anti-convolution combines with metallic screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206822695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480981A (en) * | 2018-12-25 | 2019-03-19 | 朱成伟 | A kind of skull suitable for neurosurgery clinic breaks prosthetic device |
-
2016
- 2016-08-30 CN CN201620980847.5U patent/CN206822695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480981A (en) * | 2018-12-25 | 2019-03-19 | 朱成伟 | A kind of skull suitable for neurosurgery clinic breaks prosthetic device |
| CN109480981B (en) * | 2018-12-25 | 2021-06-15 | 朱成伟 | Skull breaking and repairing device suitable for neurosurgery clinic |
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