CN200998298Y - Elastic connecting rod for spondyle fixing bone pegs - Google Patents
Elastic connecting rod for spondyle fixing bone pegs Download PDFInfo
- Publication number
- CN200998298Y CN200998298Y CNU2006201315921U CN200620131592U CN200998298Y CN 200998298 Y CN200998298 Y CN 200998298Y CN U2006201315921 U CNU2006201315921 U CN U2006201315921U CN 200620131592 U CN200620131592 U CN 200620131592U CN 200998298 Y CN200998298 Y CN 200998298Y
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- CN
- China
- Prior art keywords
- connecting rod
- elastic connecting
- elasticity
- elasticity connecting
- nail
- 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 provides an elastic connecting rod of a vertebrae fixing bone nail. The teeth part of a bone nail is locked into the vertebrae body, a U-shaped groove body at the upper end of the bone nail is used for bearing the elastic connecting rod, after the elastic connecting rod being screwed into the threads in the groove, the fixing component at the end of the elastic connecting rod is tightly combined in the U-shapedd groove; wherein, the elastic connecting rod adopts the elastic rod body formed by intertwisting a plurality of metal wire materials, although both ends of the elastic connecting rod are fixed and locked in the U-shaped groove, the elasticity can be varied with the different angles of vertebrae body; in addition, at least one removable fixing component is arranged in the middle part among more than three elastic connecting rods, to ensure the upward movable displacement of the elastic connecting rod, thus when applying the fixing operation for more than three vertebrae bodies, the movable fixing component can be moved at any time to provide convenience for being positioned in the best fixing position at vertebrae body in the middle.
Description
Technical field
The structure-improved of the relevant a kind of spinal fixation nail of this utility model, especially relevant a kind of elasticity connecting rod that is wound in the multiply metal wire rod can be with the vertebra vertebral body flexible application of different angles with its elasticity.
Background technology
Human vertebra is made up of seven joint cervical vertebras, 12 joint thoracic vertebras, five joint lumbar vertebras and a joint caudal vertebra, and nerve then passes through interpyramidal space via spinal cord.In case vertebra is shifted, or produce compressing or even muscle on every side, the ligament tissue anxiety all can directly influence the nerve that passes through, and causes the terminal organ of neural supply indirectly, muscle or secretion body of gland.
When invalid or symptom is shown effect repeatedly when expectant treatment, impose operative treatment more.Operation method comprises that then decompression, fusion of bone and aggregate fix.Decompression can enter the vertebral body fixture by operation.
Fixing bone pin comprises respectively implants the nail of two joint vertebra vertebral bodys up and down, and nail is linked all-in-one-piece rigidly fixes bar (rigid rod).Wherein, nail comprises that the nail tooth portion in order to lock the vertebra vertebral body reaches the U-lag body that rigidly fixes boom end in order to carrying, in this cell body and be provided with the groove female thread, when rigidly fixing after boom end is placed in this U type cell body, screw in the groove female thread by hex socket set screws and will rigidly fix boom end and combine closely.
Human vertebra is made up of seven joint cervical vertebras, 12 joint thoracic vertebras, five joint lumbar vertebras and a joint caudal vertebra in above-mentioned, but the angle of each joint vertebra vertebral body is all inequality.Therefore, the bar that rigidly fixes so that adjacent two the nail body purposes of binding are made and had to the rigidity material for the vertebra vertebral body that is curvature, without any the elastic space of angle, can't properly settle the postoperative sense of discomfort of sufferer fully.In other words, commonly use and rigidly fix bar and only have single fixed function, the pliable and tough function of intervertebral disc can't be provided.This utility model uses the elasticity connecting rod can solve the symptom that can't overcome for a long time.
The utility model content
Main purpose of the present utility model is to provide a kind of structure-improved of spinal fixation nail, with the conventional rigid fixed bar, innovation changes with the elasticity connecting rod alternative, use vertebra vertebral body in response to different angles, the postoperative sense of discomfort of sufferer is improved, easy speech, the elasticity connecting rod not only has fixed function, and the pliable and tough function of intervertebral disc is provided.
An of the present utility model purpose is to provide a kind of elasticity connecting rod of spinal fixation nail, in the body of rod, be provided with the movable fixed assembly, when the vertebra vertebral body fixing operation more than execution three joints, can move this movable fixed assembly at any time, with the convenient selected optimum fixation position that is positioned at intermediary vertebra vertebral body.
For reaching above-mentioned purpose, the elasticity connecting rod of this utility model spinal fixation nail, be to lock in the vertebra vertebral body with nail tooth portion, the U-lag body of nail upper end then behind carrying elasticity connecting rod, screws in the groove female thread by fixed screw elasticity connecting rod end fixation kit is combined closely in U-lag; Wherein: this elasticity connecting rod is a kind of elasticity body of rod, though make the elasticity connecting rod be fixed screw locking in U-lag with the both side ends fixation kit, with its elasticity can with the vertebra vertebral body elasticity of different angles in response to.
This elasticity connecting rod of the present utility model is the elasticity body of rod that is entwined with the multiply metal wire rod.
Elasticity connecting rod of the present utility model is provided with at least one movable fixed assembly.
The elasticity connecting rod of spinal fixation nail of the present utility model, it is the elasticity connecting rod that the elasticity body of rod that is entwined with the multiply metal wire rod and two ends fixation kit thereof are constituted, at least more than one movable fixed assembly is located on the elasticity connecting rod in selectivity collocation, make implement vertebra vertebral body fixing operation after, by the elasticity of connecting rod vertebra vertebral body in response to different angles.And when implementing the above vertebra vertebral body fixing operation of three joints, can mobile at any time movable fixed assembly, with the convenient optimum fixation position that is positioned at intermediary vertebra vertebral body of selecting.
Description of drawings
Fig. 1 is the use sketch map of this utility model first embodiment.
Fig. 2 is the use sketch map of this utility model second embodiment.
The primary clustering symbol description
21 nail tooth portions
22 U-lag bodies
221 groove female threads
3 elasticity connecting rods
31 end fixation kits
32 movable fixed assemblies
4 hex socket set screws
The specific embodiment
Characteristics of the present utility model can be consulted the detailed description of graphic and embodiment and obtained to be well understood to.
See also the use sketch map of Fig. 1 this utility model first embodiment and the use sketch map of Fig. 2 this utility model second embodiment.
Fig. 1 show implant two joints totally four nails lock up and down in the two joint vertebra vertebral bodys 1 with its nail tooth portion 21, the U-lag body 22 of nail tooth portion 21 upper ends is then behind carrying elasticity connecting rod 3, screw in groove female thread 221 (Fig. 2 is consulted in cooperation) by hex socket set screws 4, elasticity connecting rod 3 end fixation kits 31 are combined closely in U-lag 22.And principal character of the present utility model is, this elasticity connecting rod 3 is through repeatedly being wound in the elasticity body of rod with the multiply metal wire rod, though make elasticity connecting rod 3 with two ends fixation kit 31 by hex socket set screws 4 locking in U-lag 22, with its elasticity can with vertebra vertebral body 1 elasticity of different angles in response to.
Fig. 2 show implant three joints totally six nails lock up and down in the three joint vertebra vertebral bodys 1 with its nail tooth portion 21, and the U-lag body 22 of nail tooth portion 21 upper ends screws in groove female thread 221 by hex socket set screws 4 three joint elasticity connecting rods, 3 both side ends fixation kit seats 31 is combined closely in U-lag 22 behind carrying elasticity connecting rod 3.And another feature of the present utility model is to be provided with a movable fixed assembly 32 in this three joints elasticity connecting rod 3, this movable fixed assembly 32 is in elasticity connecting rod 3 transverse moving left and right as shown by arrows, when implementing as Fig. 2 three joint vertebra vertebral body fixing operations, position by moving this fixation kit 32 enables to adjust at any time the optimum fixation position that is positioned at intermediary vertebra vertebral body.In like manner, for four 3 of joint elasticity connecting rods two movable fixed assemblies 32 can be set, surplus person analogizes.
Technology contents of the present utility model and technical characterstic disclose as above, yet the personage who is familiar with this technology still may do various replacement and the modifications that do not deviate from this utility model spirit based on announcement of the present utility model.Therefore, protection domain of the present utility model should be not limited to embodiment and disclose, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the claim scope.
Claims (3)
1, a kind of elasticity connecting rod of spinal fixation nail, be to lock in the vertebra vertebral body with nail tooth portion, the U-lag body of nail upper end then behind carrying elasticity connecting rod, screws in the groove female thread by fixed screw elasticity connecting rod end fixation kit is combined closely in U-lag; It is characterized in that: this elasticity connecting rod is a kind of elasticity body of rod.
2, the elasticity connecting rod of spinal fixation nail as claimed in claim 1 is characterized in that: this elasticity connecting rod is the elasticity body of rod that is entwined with the multiply metal wire rod.
3, the elasticity connecting rod of spinal fixation nail as claimed in claim 1 is characterized in that: the elasticity connecting rod is provided with at least one movable fixed assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201315921U CN200998298Y (en) | 2006-08-29 | 2006-08-29 | Elastic connecting rod for spondyle fixing bone pegs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201315921U CN200998298Y (en) | 2006-08-29 | 2006-08-29 | Elastic connecting rod for spondyle fixing bone pegs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200998298Y true CN200998298Y (en) | 2008-01-02 |
Family
ID=39012703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201315921U Expired - Fee Related CN200998298Y (en) | 2006-08-29 | 2006-08-29 | Elastic connecting rod for spondyle fixing bone pegs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200998298Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8657856B2 (en) | 2009-08-28 | 2014-02-25 | Pioneer Surgical Technology, Inc. | Size transition spinal rod |
| CN104323846A (en) * | 2014-11-27 | 2015-02-04 | 李照文 | Universal elastic fixed rod |
| WO2020224657A1 (en) * | 2019-05-09 | 2020-11-12 | The University Of Hong Kong | A novel thread design for bone screw |
-
2006
- 2006-08-29 CN CNU2006201315921U patent/CN200998298Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8657856B2 (en) | 2009-08-28 | 2014-02-25 | Pioneer Surgical Technology, Inc. | Size transition spinal rod |
| CN104323846A (en) * | 2014-11-27 | 2015-02-04 | 李照文 | Universal elastic fixed rod |
| WO2020224657A1 (en) * | 2019-05-09 | 2020-11-12 | The University Of Hong Kong | A novel thread design for bone screw |
| CN113873958A (en) * | 2019-05-09 | 2021-12-31 | 香港大学 | Novel thread design for bone screws |
| US11596459B2 (en) | 2019-05-09 | 2023-03-07 | The University Of Hong Kong | Thread design for bone screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20120829 |