CN204765884U - Take side opening can absorb screw - Google Patents
Take side opening can absorb screw Download PDFInfo
- Publication number
- CN204765884U CN204765884U CN201520281710.6U CN201520281710U CN204765884U CN 204765884 U CN204765884 U CN 204765884U CN 201520281710 U CN201520281710 U CN 201520281710U CN 204765884 U CN204765884 U CN 204765884U
- Authority
- CN
- China
- Prior art keywords
- side opening
- screw
- nail
- rivet nut
- utility
- 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 take side opening can absorb screw, include: the head of a nail and the nail body, nail body upper portion is cylindrically, and nail body lower part is the taper shape, the head of a nail is fixed the upper end of the nail body, it upwards is equipped with the thread from the bottom to follow closely external circle, the nail body distributes and has two rows of side openings, and two rows of side openings evenly set up, and two rows of side opening one -to -ones communicate each other. In this way, the utility model discloses can promote the sclerotin to grow into in the screw, can prevent the screw slippage in early days, have the effect of accelerating the union later period, take side opening can absorb screw simple structure, convenient to use.
Description
Technical field
This utility model relates to bioabsorbable interference screw field, particularly relates to a kind of band side opening bioabsorbable interference screw.
Background technology
At present, existing bioabsorbable interference screw is made by absorbable material, has good biocompatibility, and implant non-toxic reaction; Bioabsorbable interference screw is general, and namely the 3-6 month can be biodegradable into water and carbon dioxide in vivo, but fractures the 3-6 month and when not healing, refracture easily occurs and cause Endodontic failure; The hold of bioabsorbable interference screw and resisting pull out forces are all poor, are particularly applied to sufferers of osteoporosis face, easily screw slippage occur, the complication such as displacement fracture.
Utility model content
The technical problem that this utility model mainly solves is to provide a kind of band side opening bioabsorbable interference screw, can promote that sclerotin is grown in screw, can prevent screw slippage in early days, have the effect of accelerating bone healing late period; Band side opening bioabsorbable interference screw structure is simple, easy to use.
For solving the problems of the technologies described above, the technical scheme that this utility model adopts is: provide a kind of band side opening bioabsorbable interference screw, comprising: the head of a nail and rivet nut; Described rivet nut top is cylindrical, and rivet nut bottom conically; The described head of a nail is fixed on the upper end of described rivet nut; Described rivet nut outer ring is upwards provided with thread from bottom; Described rivet nut is distributed with two row's side openings, and two row's side openings are evenly arranged, and two row's side opening one_to_one corresponding are interconnected.
Preferably, described head of a nail upper surface is provided with cross groove.
Preferably, described thread accounts for 60% ~ 80% of rivet nut length; At a distance of 4 ~ 5mm between described side opening.
The beneficial effects of the utility model are: this utility model can promote that sclerotin is grown in screw, can prevent screw slippage in early days, has the effect of accelerating bone healing late period.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view with side opening bioabsorbable interference screw one preferred embodiment of this utility model;
Fig. 2 is a kind of structural representation axially analysed and observe along side opening with side opening bioabsorbable interference screw;
In accompanying drawing, the labelling of each parts is as follows: 1, the head of a nail; 2, rivet nut; 3, thread; 4, side opening.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Refer to Fig. 1, this utility model embodiment comprises:
A kind of band side opening bioabsorbable interference screw, comprising: the head of a nail 1 and rivet nut 2; Described rivet nut 2 top is cylindrical, and the location of being with side opening bioabsorbable interference screw conically, is convenient in rivet nut 2 bottom; The described head of a nail 1 is fixed on the upper end of described rivet nut 2, and the head of a nail 1 upper surface is provided with cross groove, can rotating band side opening bioabsorbable interference screw easily; Described rivet nut 2 outer ring is upwards provided with thread 3 from bottom, is convenient to band side opening bioabsorbable interference screw to screw in fracture; Described rivet nut 2 is distributed with two row's side openings 4, two row side openings 4 and evenly arranges, and two row's side opening 4 one_to_one corresponding are interconnected, and can promote that sclerotin is grown in band side opening bioabsorbable interference screw, can prevent screw slippage in early days, late period can accelerating bone healing.Described thread 3 accounts for 60% ~ 80% of rivet nut length; At a distance of 4 ~ 5mm between described side opening 4.
This utility model can promote that sclerotin is grown in screw, can prevent screw slippage in early days, has the effect of accelerating bone healing late period; Band side opening bioabsorbable interference screw structure is simple, easy to use.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. be with a side opening bioabsorbable interference screw, it is characterized in that, comprising: the head of a nail and rivet nut; Described rivet nut top is cylindrical, and rivet nut bottom conically; The described head of a nail is fixed on the upper end of described rivet nut; Described rivet nut outer ring is upwards provided with thread from bottom; Described rivet nut is distributed with two row's side openings, and two row's side openings are evenly arranged, and two row's side opening one_to_one corresponding are interconnected.
2. one band side opening bioabsorbable interference screw according to claim 1, is characterized in that: described head of a nail upper surface is provided with cross groove.
3. one band side opening bioabsorbable interference screw according to claim 1, is characterized in that: described thread accounts for 60% ~ 80% of rivet nut length; At a distance of 4 ~ 5mm between described side opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281710.6U CN204765884U (en) | 2015-05-05 | 2015-05-05 | Take side opening can absorb screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281710.6U CN204765884U (en) | 2015-05-05 | 2015-05-05 | Take side opening can absorb screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204765884U true CN204765884U (en) | 2015-11-18 |
Family
ID=54506029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520281710.6U Expired - Fee Related CN204765884U (en) | 2015-05-05 | 2015-05-05 | Take side opening can absorb screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204765884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104887304A (en) * | 2015-05-05 | 2015-09-09 | 苏州瑞华医院有限公司 | Absorbable screw with lateral holes |
-
2015
- 2015-05-05 CN CN201520281710.6U patent/CN204765884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104887304A (en) * | 2015-05-05 | 2015-09-09 | 苏州瑞华医院有限公司 | Absorbable screw with lateral holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20170505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |