CN205569049U - A internal fixation device for anterior cervical spine fuses - Google Patents
A internal fixation device for anterior cervical spine fuses Download PDFInfo
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- CN205569049U CN205569049U CN201620216441.XU CN201620216441U CN205569049U CN 205569049 U CN205569049 U CN 205569049U CN 201620216441 U CN201620216441 U CN 201620216441U CN 205569049 U CN205569049 U CN 205569049U
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- cylinder mould
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- titanium cylinder
- cervical
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Abstract
The utility model provides an internal fixation device for anterior cervical spine fuses. Fixing device includes anterior cervical spine steel sheet and titanium cylinder mould, the vertical one side of arranging the anterior cervical spine steel sheet in of titanium cylinder mould, it connects the screw to be equipped with the steel sheet on the titanium cylinder mould, the steel sheet is connected the drill way of screw and is seted up on the lateral wall of titanium cylinder mould, and extend to rather than another relative lateral wall, titanium net connection screw has been offered to the position of steel sheet connection screw on the corresponding titanium cylinder mould of way steel sheet in the front, titanium cylinder mould connecting screw is netted the steel sheet connection screw of connecting the screw screw in and passing on the titanium cylinder mould from the titanium on the anterior cervical spine steel sheet and is connected titanium cylinder mould and anterior cervical spine steel sheet and locking, cervical vertebra cone locking screw has been seted up respectively near the position at upper and lower edge to the way steel sheet in the front. The utility model provides a can stably be connected anterior cervical spine steel sheet and titanium net inferior the hitting entirely of anterior cervical spine centrum, not increase operating time, reduce the aversion of titanium net, improve preceding way cervical vertebra bone integration rate, improve the operation curative effect greatly.
Description
Technical field
This utility model relates to technical field of medical instruments, a kind of inner fixing device for Cervical anterior fusion.
Background technology
Cervical vertebra is the one section of vertebra connecting head with thoracic vertebra, is made up of 7 vertebral bodys, is connected by cervical intervertebral disk between vertebral body, and intraspinal tube accommodates spinal cord, is the vital center of human body, and serious cervical spondylosis and cervical spine injury are often fatal.
Treat serious cervical spondylosis at present and serious cervical spine injury generally requires front Lu Ciquan and excises more piece cervical vertebral body, fix bone-graft fusion in re-using cervical steel plate and titanium net and treat.Because excision cervical vertebral body causes cervical spine instabily more, add existing anterior plate fixation and titanium net is two kinds of separate fixing devices, anterior plate fixation or the abjection of titanium net is easily lead in fusion process, cause Fusion failure, cause many complication, cause patient to paralyse, can't take care of oneself, even dead, also can cause medical tangle.Fix one that bone graft fusion faces in this Shi Qian road multi-segmental cervical vertebra time full excision+cervical steel plate, titanium net and compare stubborn problem.
Summary of the invention
This utility model is according to the deficiencies in the prior art, a kind of inner fixing device for Cervical anterior fusion is provided, this device may be used for preventing owing to long segment cervical vertebral body excises the fixation failure problem caused entirely, maintain stablizing of cervical vertebra, it is beneficial to the fusion of bone grafting, and easy to operate, do not increase operating time.
The technical scheme that this utility model provides: described a kind of inner fixing device for Cervical anterior fusion, it is characterized in that: described fixing device includes anterior plate fixation and titanium cylinder mould, titanium cylinder mould is vertically placed in the side of anterior plate fixation, titanium cylinder mould is provided with steel plate connecting screw hole, the aperture of steel plate connecting screw hole is opened on the sidewall of titanium cylinder mould, and extend to another sidewall corresponding thereto, titanium net connecting screw hole is offered in the position of anterior plate correspondence titanium cylinder mould upper steel plate connecting screw hole, titanium cylinder mould is connected with anterior plate fixation and locks by the steel plate connecting screw hole that titanium cylinder mould attachment screw titanium net connecting screw hole from anterior plate fixation is screwed into and through on titanium cylinder mould；Offer cervical vertebra cone at anterior plate respectively near the position at upper and lower edge and lock screw.
This utility model preferably technical scheme: described steel plate connecting screw hole and titanium net connecting screw hole have two respectively, and all line is symmetrical arranged centered by the horizontal axis of titanium cylinder mould.
This utility model preferably technical scheme: the nut of described titanium cylinder mould attachment screw is provided with external screw thread, the aperture of the titanium net connecting screw hole being opened on anterior plate fixation and cervical vertebral body locking screw offers nut groove respectively, is provided with the female thread matched with external screw thread on attachment screw nut in nut groove.
This utility model preferably technical scheme: a length of 25-65mm of described anterior plate fixation, wide 20mm, thick 3mm.
This utility model preferably technical scheme: described titanium cylinder mould is hollow cylindrical or elliptic cylinder network structure, its a diameter of 12mm-15mm, a length of 15-55mm, thick 2.5mm.
This utility model preferably technical scheme: the distance of described titanium cylinder mould top edge to anterior plate fixation top edge is equal to the distance of anterior plate fixation lower limb with titanium cylinder mould lower limb.
This utility model preferably technical scheme: offer through hole in the middle position, plate face of anterior plate fixation, the width of described through hole is 10mm, the both sides of through hole are 5mm with the distance of anterior plate fixation both sides of the edge, two titanium net connecting screw holes are separately positioned on the position that through hole is upper and lower, and the distance of each titanium net connecting screw hole distance through hole is 4mm.
This utility model preferably technical scheme: offering two cervical vertebra cones locking screws near the position at upper and lower edge respectively, two cervical vertebra cone locking screws are symmetrical arranged with the longitudinal central axis line of anterior plate fixation for center line.
This utility model simple in construction, easy to use, connecting screw hole it is respectively equipped with on the net at anterior plate fixation and titanium, in anterior cervical vertebrae vertebra corpectomy, the particularly cervical vertebral body of multi-segmental hits entirely, can stablize and is stably connected with titanium net by anterior plate fixation, do not increase the operating time, significantly reduce the displacement of titanium net, reduce management of complications associated with anterior cervical spinal surgery, improve front road neck bone fusion rate, substantially increase operative effect, be worth promoting clinically.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is AA ' profile in Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the transverse sectional view of titanium net in this utility model.
In figure: 1 anterior plate fixation, 2 titanium cylinder moulds, 3 steel plate connecting screw holes, 4 titanium net connecting screw holes, 5 titanium cylinder mould attachment screws, 6 cervical vertebra cone locking screws, 7 nut grooves, 8 through holes, 9 cervical vertebra cones, 10 vertebral body attachment screws.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.As it is shown in figure 1, described a kind of inner fixing device for Cervical anterior fusion, including anterior plate fixation 1 and titanium cylinder mould 2, a length of 25-65mm of described anterior plate fixation 1, wide 20mm, thick 3mm；Described titanium cylinder mould 2 is hollow cylindrical or elliptic cylinder network structure, its a diameter of 12mm-15mm, a length of 15-55mm, thick 2.5mm；Titanium cylinder mould 2 is vertically placed in the position in the middle of the side of anterior plate fixation 1, it is ensured that the distance of titanium cylinder mould 2 top edge to anterior plate fixation 1 top edge is equal to the distance of anterior plate fixation 1 lower limb with titanium cylinder mould 2 lower limb.
As shown in Figure 2 and Figure 3, titanium cylinder mould 2 is provided with steel plate connecting screw hole 3, titanium net connecting screw hole 4 is offered in the position of the corresponding titanium cylinder mould 2 upper steel plate connecting screw hole 3 of anterior plate 1, described steel plate connecting screw hole 3 and titanium net connecting screw hole 4 have two respectively, and all centered by the horizontal axis of titanium cylinder mould 2, line is symmetrical arranged.And the aperture locking screw 6 at titanium net connecting screw hole 3 and cervical vertebral body offers nut groove 7 respectively, it is simple to after screw installation, its nut will not protrude the outer surface of anterior plate fixation 1.As shown in Figure 4, the aperture of steel plate connecting screw hole 3 is opened on the sidewall of titanium cylinder mould 2, and extend to another sidewall corresponding thereto, as in figure 2 it is shown, titanium cylinder mould 2 is connected with anterior plate fixation 1 and locks by the steel plate connecting screw hole 3 that the titanium net connecting screw hole 4 that titanium cylinder mould attachment screw 5 is from anterior plate fixation 1 is screwed into and through on titanium cylinder mould 2.It is provided with female thread at nut groove 7 inwall, the nut of described titanium cylinder mould attachment screw is provided with the external screw thread matched with female thread on nut groove 7, the external screw thread matched with female thread on nut groove 7 it also is provided with on the nut of the vertebral body attachment screw 10 connecting anterior plate fixation 1 and cervical vertebral body 5, the connection of screw and anterior plate fixation 1 can be strengthened, nut is locked.
As it is shown on figure 3, offer two cervical vertebra cones locking screws 6 respectively near the position at upper and lower edge at anterior plate fixation 1, two cervical vertebra cone locking screws 6 are symmetrical arranged with the longitudinal central axis line of anterior plate fixation 1 for center line.Anterior plate fixation 1 upper and lower side is fixed on the cervical vertebral body 9 that secondary full excision cervical vertebra is adjacent by vertebral body attachment screw 10 respectively, and the length of vertebral body attachment screw 10 and titanium cylinder mould attachment screw 5 is 12mm-16mm, diameter 4mm and (includes screw thread)；Offering through hole 8 in the middle position, plate face of anterior plate fixation 1, the width of described through hole 8 is 10mm, and the both sides of through hole 8 are 5mm with the distance of anterior plate fixation 1 both sides of the edge, both can save material, can ensure that again the intensity of steel plate；Two titanium net connecting screw holes 4 are separately positioned on the position of through hole about 8, and each titanium net connecting screw hole 4 is 4mm apart from the distance of through hole 8.
This utility model uses process: patient lies supine is on operating-table, routine disinfection drape, routine carries out the vertebra corpectomy of anterior cervical vertebrae, excision skeletal grain fills up titanium cylinder mould 2, titanium cylinder mould 2 is clogged to cervical vertebral body excision, anterior plate fixation 1 is installed in the side of titanium cylinder mould 2, and use titanium cylinder mould attachment screw 5 to be connected fixing with anterior plate fixation 1 for titanium cylinder mould 2, then by vertebral body attachment screw 10, the cervical vertebral body 9 that anterior plate fixation 1 upper and lower side is adjacent with secondary full excision cervical vertebra respectively is fixed, C arm is had an X-rayed, see that interior fixed position can, sew up the incision, aseptic adjuvant is wrapped up, perform the operation complete.
Claims (8)
1. the inner fixing device for Cervical anterior fusion, it is characterized in that: described fixing device includes anterior plate fixation (1) and titanium cylinder mould (2), titanium cylinder mould (2) is vertically placed in the side of anterior plate fixation (1), titanium cylinder mould (2) is provided with steel plate connecting screw hole (3), the aperture of steel plate connecting screw hole (3) is opened on the sidewall of titanium cylinder mould (2), and extend to another sidewall corresponding thereto, titanium net connecting screw hole (4) is offered in the position of corresponding titanium cylinder mould (2) the upper steel plate connecting screw hole (3) of anterior plate (1), titanium cylinder mould (2) is connected with anterior plate fixation (1) and locks by the steel plate connecting screw hole (3) that titanium cylinder mould attachment screw (5) titanium net connecting screw hole (4) from anterior plate fixation (1) is screwed into and through on titanium cylinder mould (2)；Cervical vertebra cone locking screw (6) is offered respectively near the position at upper and lower edge at anterior plate (1).
A kind of inner fixing device for Cervical anterior fusion the most according to claim 1, it is characterized in that: described steel plate connecting screw hole (3) and titanium net connecting screw hole (4) have two respectively, and all centered by the horizontal axis of titanium cylinder mould (2), line is symmetrical arranged.
A kind of inner fixing device for Cervical anterior fusion the most according to claim 1 and 2, it is characterized in that: the nut of described titanium cylinder mould attachment screw (5) is provided with external screw thread, the aperture of titanium net connecting screw hole (3) being opened on anterior plate fixation (1) and cervical vertebral body locking screw (6) offers nut groove (7) respectively, is provided with the female thread matched with external screw thread on attachment screw nut in nut groove (7).
A kind of inner fixing device for Cervical anterior fusion the most according to claim 1 and 2, it is characterised in that: a length of 25-65mm of described anterior plate fixation (1), wide 20mm, thick 3mm.
A kind of inner fixing device for Cervical anterior fusion the most according to claim 1 and 2, it is characterized in that: described titanium cylinder mould (2) is hollow cylindrical or elliptic cylinder network structure, its a diameter of 12mm-15mm, a length of 15-55mm, thick 2.5mm.
A kind of inner fixing device for Cervical anterior fusion the most according to claim 1 and 2, it is characterised in that: the distance of described titanium cylinder mould (2) top edge to anterior plate fixation (1) top edge is equal to the distance of anterior plate fixation (1) lower limb with titanium cylinder mould (2) lower limb.
A kind of inner fixing device for Cervical anterior fusion the most according to claim 2, it is characterized in that: offer through hole (8) in the middle position, plate face of anterior plate fixation (1), the width of described through hole (8) is 10mm, the both sides of through hole (8) are 5mm with the distance of anterior plate fixation (1) both sides of the edge, two titaniums net connecting screw hole (4) are separately positioned on the position that through hole (8) is upper and lower, and the distance of each titanium net connecting screw hole (4) distance through hole (8) is 4mm.
A kind of inner fixing device for Cervical anterior fusion the most according to claim 1 and 2, it is characterized in that: offer two cervical vertebra cones locking screw (6) respectively in the position near upper and lower edge, two cervical vertebra cones locking screw (6) are that center line is symmetrical arranged with the longitudinal central axis line of anterior plate fixation (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216441.XU CN205569049U (en) | 2016-03-21 | 2016-03-21 | A internal fixation device for anterior cervical spine fuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216441.XU CN205569049U (en) | 2016-03-21 | 2016-03-21 | A internal fixation device for anterior cervical spine fuses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205569049U true CN205569049U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216441.XU Expired - Fee Related CN205569049U (en) | 2016-03-21 | 2016-03-21 | A internal fixation device for anterior cervical spine fuses |
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| CN (1) | CN205569049U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368080A (en) * | 2019-08-22 | 2019-10-25 | 上海长征医院 | A kind of biological centrum prosthese |
| CN111184565A (en) * | 2020-03-09 | 2020-05-22 | 安徽医科大学附属阜阳医院 | Anterior cervical self-locking fusion device |
| CN113520678A (en) * | 2021-06-30 | 2021-10-22 | 右江民族医学院附属医院 | Titanium mesh bone grafting fixing device |
| CN114129308A (en) * | 2021-11-15 | 2022-03-04 | 中国人民解放军空军军医大学 | 3D prints fixed integration back way neck pillow and fuses false body |
-
2016
- 2016-03-21 CN CN201620216441.XU patent/CN205569049U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368080A (en) * | 2019-08-22 | 2019-10-25 | 上海长征医院 | A kind of biological centrum prosthese |
| CN111184565A (en) * | 2020-03-09 | 2020-05-22 | 安徽医科大学附属阜阳医院 | Anterior cervical self-locking fusion device |
| CN113520678A (en) * | 2021-06-30 | 2021-10-22 | 右江民族医学院附属医院 | Titanium mesh bone grafting fixing device |
| CN113520678B (en) * | 2021-06-30 | 2024-03-26 | 右江民族医学院附属医院 | Titanium net bone grafting fixing device |
| CN114129308A (en) * | 2021-11-15 | 2022-03-04 | 中国人民解放军空军军医大学 | 3D prints fixed integration back way neck pillow and fuses false body |
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| Date | Code | Title | Description |
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| 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: 20160914 Termination date: 20170321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |