CN205758688U - Anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device - Google Patents
Anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device Download PDFInfo
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- CN205758688U CN205758688U CN201620381566.8U CN201620381566U CN205758688U CN 205758688 U CN205758688 U CN 205758688U CN 201620381566 U CN201620381566 U CN 201620381566U CN 205758688 U CN205758688 U CN 205758688U
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- fusion device
- invasive lumbar
- lumbar fusion
- steel plate
- chute
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Abstract
This utility model relates to a kind of anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device, including steel plate and Invasive lumbar fusion device, the middle part of described steel plate is provided with two chutes, it is provided with two side openings in the middle part of the sidewall of described Invasive lumbar fusion device, is attached fixing with described steel plate by described Invasive lumbar fusion device after sequentially passing through described chute and described side opening with chute fixture；During use, in described Invasive lumbar fusion device, first fill spongy bone, again described Invasive lumbar fusion device is filled between the most remaining vertebral body, it is attached fixing with described steel plate by described Invasive lumbar fusion device after sequentially passing through described chute and described side opening with chute fixture, the top and bottom of described steel plate are fixed on upper hypocentrum by recycling Interal fixation part respectively, realize steel plate to fix with the integrated of Invasive lumbar fusion device, increase stability and rotational stabilization before and after Invasive lumbar fusion device simultaneously, effectively prevent Invasive lumbar fusion device from moving after occurring, the problem of Spinal Cord, degree of stability is high, safety is good.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of anterior plate fixation screw and intervertebral fusion
The integrated internal fixation system of device.
Background technology
Cervical spondylotic myelopathy and cervical spondylotic radiculopathy are the commonly encountered diseases of person in middle and old age group, frequently-occurring disease, along with life style
Changing, its sickness rate improves the most year by year, and presents the trend of rejuvenation.The pathogenesis of cervical spondylosis is intervertebral disc degradation
Highlight after backward or vertebral body trailing edge hyperosteogeny forms the spinal cord in hyperosteogeny compressing cervical spinal canal and nerve root, due to myeloid tissue
The function of nervous system that the pathological changes such as interior neurocyte is the most fragile, the hypoxic-ischemic caused by compressing cause loses irreversible
Turn.Therefore answering Operation in early stage to release compressing for myeloid form spondylopathy, the root cervical spondylosis for serious symptom also should be adopted
Take positive operative treatment.Anterior cervical decompression bone graft fusion (be called for short ACDF) be current clinical treatment cervical spondylotic myelopathy and
The standard procedures method of cervical spondylotic radiculopathy.
In ACDF operation process, after anterior cervical vertebrae is by Lumbar intervertebral disc protrusion Nuclectomy, the soleplate of upper hypocentrum is used
Curet is removed, and exposes the spongy bone under soleplate；Then between cervical vertebral space, insert the intervertebral with spongy bone of suitable size
Fusion device so that it is the height that can support spinal column can be conducive to again interpyramidal fusion；Last steel plate screw system is by upper and lower vertebra
Body connects fixing.But, above-mentioned modus operandi has the disadvantage that steel plate screw system is the most complete with both Invasive lumbar fusion devices
Independently, the most directly contacting, the fixing dependence of Invasive lumbar fusion device is the pressure between upper and lower two vertebral bodys, is growing after operation in patients
When the cervical region of phase is movable or suffers wound, displacement or rotation displacement, particularly intervertebral before and after Invasive lumbar fusion device easily occurs
Fusion device rearward displacement by compression spinal cord, exists and causes patient to paralyse even dead risk.
Utility model content
In order to solve the problems referred to above that prior art exists, this utility model provides one can be effectively improved intervertebral fusion
The anterior plate fixation screw of stability and rotational stabilization inner fixing device integrated with Invasive lumbar fusion device before and after device.
A kind of anterior plate fixation screw internal fixation system integrated with Invasive lumbar fusion device, including steel plate and intervertebral fusion
Device, the middle part of described steel plate is provided with two chutes, and the top and bottom of described steel plate are individually fixed on vertebral body and hypocentrum；
Described Invasive lumbar fusion device is hollow rectangular structure, the centre of described Invasive lumbar fusion device and along described Invasive lumbar fusion device
Central axial direction run through and be provided with bone grafting hole, the upper and lower surface of described Invasive lumbar fusion device is all set to matsurface, described
It is provided with two side openings in the middle part of the sidewall of Invasive lumbar fusion device, sequentially passes through described chute and described side opening and by institute with chute fixture
State Invasive lumbar fusion device to be attached fixing with described steel plate.
The upper end of described steel plate is provided with two upper fixing holes, and the lower end of described steel plate is provided with two lower fixed holes, with four
Interal fixation part extends through two fixed holes and two described lower fixed holes and by described Interal fixation in upper vertebral body
With on hypocentrum.
The medial wall in fixed hole and the medial wall of described lower fixed hole are equipped with screw thread, and described Interal fixation part is
Steel plate screw.
Two described chutes are rectangle.
Two described chutes be arranged in parallel.
The inwall of two described side openings is equipped with screw thread, and described chute fixture is chute screw.
The diameter of described chute screw head end is more than the width of described chute.
The cross section in described bone grafting hole is circular or oval.
It is on described matsurface and dentation kick is distributed.
The technical scheme that this utility model is used is:
The beneficial effects of the utility model are:
Anterior plate fixation screw described in the utility model internal fixation system integrated with Invasive lumbar fusion device, including steel plate
And Invasive lumbar fusion device, the middle part of described steel plate is provided with two chutes, and the top and bottom of described steel plate are individually fixed in vertebral body
With on hypocentrum, the centre of Invasive lumbar fusion device described further and the central axial direction along described Invasive lumbar fusion device run through and are provided with
Bone grafting hole, and the upper and lower surface of described Invasive lumbar fusion device is all set to matsurface, in the middle part of the sidewall of described Invasive lumbar fusion device
It is provided with two side openings, the distance between the said two side opening center of circle and the distance between described chute equal, uses chute fixture
It is attached fixing with described steel plate by described Invasive lumbar fusion device after sequentially passing through described chute and described side opening；
When performing the operation, first after anterior cervical vertebrae is by Lumbar intervertebral disc protrusion Nuclectomy, by the soleplate curet of upper hypocentrum
Remove, expose the spongy bone under soleplate；Then in the bone grafting hole of described Invasive lumbar fusion device, fill spongy bone, then by described intervertebral
Fusion device is placed between vertebral body and hypocentrum, and the upper and lower surface of the most described Invasive lumbar fusion device equipment matsurface respectively is favourable
In improve described Invasive lumbar fusion device upper and lower surface and upper hypocentrum between stable connection, select suitable size steel plate,
Interal fixation part, chute fixture, sequentially pass through chute and the side of described Invasive lumbar fusion device of described steel plate with chute fixture
Be attached fixing with described steel plate by described Invasive lumbar fusion device behind hole, recycling Interal fixation part by the upper end of described steel plate and
Lower end is fixed respectively on upper vertebral body and hypocentrum, it is achieved steel plate is fixed with the integrated of Invasive lumbar fusion device；Additionally, this reality
Can move up and down in chute with novel described chute fixture, convenient described Invasive lumbar fusion device and the steel plate of regulating is vertically
Relative position on direction, it can be seen that, solid in anterior plate fixation described in the utility model is integrated with Invasive lumbar fusion device
Determine system, by utilizing chute fixture will to be fixedly connected between Invasive lumbar fusion device and steel plate, not only increase intervertebral and melt
Stability before and after clutch, also add the rotational stabilization (will not rotate) of Invasive lumbar fusion device so that intervertebral fusion
More secure, it is prevented effectively from the situation generation that Invasive lumbar fusion device rearward displacement compressing spinal cord causes paralysing even dead, safety
Good.
Accompanying drawing explanation
Fig. 1 be anterior plate fixation that a kind of embodiment of this utility model provides integrated with Invasive lumbar fusion device in fixing be
The structural representation of system；
Fig. 2 is the left view of structure in Fig. 1；
Fig. 3 is the top view of structure in Fig. 1；
Fig. 4 is the structural representation of the steel plate that a kind of embodiment provides；
Fig. 5 is the structural representation of the Invasive lumbar fusion device that a kind of embodiment provides.
In figure: 1-steel plate, 11-chute, 12-Interal fixation part, 2-Invasive lumbar fusion device, 21-bone grafting hole, 22-side opening, 23-
Chute fixture, 24-dentation kick.
Detailed description of the invention
As shown in Figure 1-Figure 3, this utility model provide a kind of anterior plate fixation integrated with Invasive lumbar fusion device in consolidate
Determine system, including steel plate 1 and Invasive lumbar fusion device 2.
As shown in Figure 4, the middle part of described steel plate 1 is provided with two chutes 11, and the upper end of described steel plate 1 is provided with fixing hole,
The lower end of described steel plate 1 is provided with lower fixed hole, will after extending through fixed hole and lower fixed hole with Interal fixation part 12
Described steel plate 1 is fixed on hypocentrum.
As it is shown in figure 5, described Invasive lumbar fusion device 2 is hollow rectangular structure, the centre of described Invasive lumbar fusion device 2 and along institute
Stating the central axial direction of Invasive lumbar fusion device to run through and be provided with bone grafting hole 21, the upper and lower surface of described Invasive lumbar fusion device is all provided with
For matsurface, as the embodiment that can select, matsurface described in the present embodiment is evenly distributed with dentation kick 24；Institute
State and in the middle part of the sidewall of Invasive lumbar fusion device 2, be provided with two side openings 22, the distance between said two side opening 22 center of circle and described chute
Distance between 11 is equal, sequentially passes through described chute 11 and described side opening 22 and by described intervertebral fusion with chute fixture 23
Device 2 is attached fixing with described steel plate 1.
When performing the operation, first after anterior cervical vertebrae is by Lumbar intervertebral disc protrusion Nuclectomy, by the soleplate curet of upper hypocentrum
Remove, expose the spongy bone under soleplate；Then in the bone grafting hole 21 of described Invasive lumbar fusion device 2, fill spongy bone, then by described
Invasive lumbar fusion device 2 is placed between vertebral body and hypocentrum, and the upper and lower surface of the most described Invasive lumbar fusion device 2 is set to coarse
Face is conducive to the stable connection improving between upper and lower surface and the upper hypocentrum of described Invasive lumbar fusion device 2, selects suitable size
Steel plate 1, Interal fixation part 12, chute fixture 23, sequentially pass through chute 11 and the institute of described steel plate 1 with chute fixture 23
Being attached fixing with described steel plate 1 by described Invasive lumbar fusion device 2 after stating the side opening 22 of Invasive lumbar fusion device 2, recycling steel plate is solid
The top and bottom of described steel plate 1 are fixed on upper vertebral body and hypocentrum by locking member 12 respectively, it is achieved steel plate 1 melts with intervertebral
The integration of clutch 2 is fixed；Additionally, chute fixture 23 described in the utility model can move up and down in chute 11, side
Just the relative position of described Invasive lumbar fusion device 2 and steel plate 1 in the vertical direction is regulated, it can be seen that, described in the utility model
Anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device, by utilize chute fixture 23 by Invasive lumbar fusion device 2 with
It is fixedly connected between steel plate 1, not only increases stability before and after Invasive lumbar fusion device 2, also add Invasive lumbar fusion device 2
Rotational stabilization so that intervertebral fusion is more secure, is prevented effectively from Invasive lumbar fusion device 2 rearward displacement compressing spinal cord and causes paralysis
Even dead situation occurs, and safety is good.
As the embodiment that can select, fixed hole and lower fixed hole are respectively provided with two, fixed hole
Medial wall and the medial wall of described lower fixed hole be equipped with screw thread, described Interal fixation part 12 is steel plate screw, thus uses
Four steel plate screws screw in two fixed holes and two described lower fixed holes respectively, can be achieved with described steel plate 1
It is fixed on the most remaining vertebral body.
As the embodiment that can select, two described chutes 11 are rectangle, and two described chutes 11 be arranged in parallel,
Thus be advantageously implemented described chute fixture 23 and can move up and down at described chute 11, the described intervertebral of convenient regulation melts
The relative position of clutch 2 and steel plate 1 in the vertical direction.
As the embodiment that can select, the inwall of described side opening 22 is provided with screw thread, and described chute fixture 23 is for sliding
Grooved screw, to be firmly connected described steel plate 1 with Invasive lumbar fusion device 2.It is further used as the embodiment that can select, institute
State the diameter width more than described chute 11 of chute screw head end.Thus described chute screw is screwed in through described chute 11
After in described side opening 22, the head end card of described chute screw is against at described chute 11, it is achieved by described steel plate 1 and intervertebral fusion
While device 2 firmly connects, it is prevented effectively from described chute screw head end and breaks away to Invasive lumbar fusion device 2 at described chute 11
Enter, shifting, the problem of Spinal Cord after the most effectively preventing Invasive lumbar fusion device 2 from occurring.
As the embodiment that can select, the cross section in described bone grafting hole 21 is circular or oval, thus described
Fill spongy bone in bone grafting hole 21, more described Invasive lumbar fusion device 2 is placed between upper vertebral body and hypocentrum, be conducive to strengthening vertebra
Between degrees of fusion between fusion device 2 and upper hypocentrum.
This utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, no matter but in its shape or structure, make any change, every have same as the present application or phase
The technical scheme of approximation, within all falling within protection domain of the present utility model.
Claims (8)
1. an anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that include steel plate (1) and vertebra
Between fusion device (2), the middle part of described steel plate (1) is provided with two chutes (11), and the top and bottom of described steel plate (1) are fixed respectively
On upper vertebral body and hypocentrum；
Described Invasive lumbar fusion device (2) is hollow rectangular structure, the centre of described Invasive lumbar fusion device (2) and along described intervertebral fusion
The central axial direction of device runs through and is provided with bone grafting hole (21), and the upper and lower surface of described Invasive lumbar fusion device is all set to coarse
Face, described matsurface is evenly distributed with dentation kick (24)；Two sides it are provided with in the middle part of the sidewall of described Invasive lumbar fusion device (2)
Hole (22), sequentially passes through described chute (11) and described side opening (22) and by described Invasive lumbar fusion device with chute fixture (23)
(2) it is attached fixing with described steel plate (1).
Anterior plate fixation the most according to claim 1 internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that
The upper end of described steel plate (1) is provided with two upper fixing holes, and the lower end of described steel plate (1) is provided with two lower fixed holes, with four steel
Plate fixture (12) extends through two fixed holes and two described lower fixed holes and is fixed on by described steel plate (1)
On vertebral body and hypocentrum.
Anterior plate fixation the most according to claim 2 internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that
The medial wall in fixed hole and the medial wall of described lower fixed hole are equipped with screw thread, and described Interal fixation part (12) is steel plate
Screw.
Anterior plate fixation the most according to claim 1 internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that
Two described chutes (11) are rectangle.
Anterior plate fixation the most according to claim 1 internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that
Two described chutes (11) be arranged in parallel.
Anterior plate fixation the most according to claim 1 internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that
The inwall of two described side openings (22) is equipped with screw thread, and described chute fixture (23) is chute screw.
Anterior plate fixation the most according to claim 6 internal fixation system integrated with Invasive lumbar fusion device, its feature exists
In, the diameter of described chute screw head end is more than the width of described chute (11).
Anterior plate fixation the most according to claim 1 internal fixation system integrated with Invasive lumbar fusion device, it is characterised in that
The cross section of described bone grafting hole (21) is circular or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381566.8U CN205758688U (en) | 2016-04-29 | 2016-04-29 | Anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381566.8U CN205758688U (en) | 2016-04-29 | 2016-04-29 | Anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205758688U true CN205758688U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381566.8U Expired - Fee Related CN205758688U (en) | 2016-04-29 | 2016-04-29 | Anterior plate fixation internal fixation system integrated with Invasive lumbar fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205758688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267611A (en) * | 2017-02-06 | 2019-09-20 | 拜欧米特制造有限责任公司 | Adjustable voussoir |
-
2016
- 2016-04-29 CN CN201620381566.8U patent/CN205758688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267611A (en) * | 2017-02-06 | 2019-09-20 | 拜欧米特制造有限责任公司 | Adjustable voussoir |
| CN110267611B (en) * | 2017-02-06 | 2021-11-12 | 拜欧米特制造有限责任公司 | Adjustable wedge block |
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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: 20161207 Termination date: 20170429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |