CN207400791U - A kind of anterior plate fixation - Google Patents
A kind of anterior plate fixation Download PDFInfo
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- CN207400791U CN207400791U CN201720104786.0U CN201720104786U CN207400791U CN 207400791 U CN207400791 U CN 207400791U CN 201720104786 U CN201720104786 U CN 201720104786U CN 207400791 U CN207400791 U CN 207400791U
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- steel plate
- plate body
- mounting hole
- anterior
- mounting holes
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Abstract
The utility model is related to the technical fields of medical auxiliary apparatus, provide a kind of anterior plate fixation, including：Steel plate body is provided with fusion window and multiple mounting holes on the steel plate body, and multiple mounting holes are uniformly and symmetrically distributed on the steel plate body.The anterior plate fixation is fixed on cervical vertebra by above-mentioned anterior plate fixation, screw by mounting hole；Fusion window on steel plate body is set, window is merged by roomy plant bone mass, operator can clearly look at terminal plate of vertebral body straight, convenient for confirming the position of plant bone mass and steel plate.
Description
Technical field
The utility model is related to the technical field of medical auxiliary apparatus, more particularly, to a kind of anterior plate fixation.
Background technology
With the continuous development of spinal surgery and Internal fixation technology, anterior plate fixation has been widely used at present and neck
The treatment of vertebra retrogression, exogenous injury or dislocation, deformity and tumour etc., he can not only enhance the stability of postoperative cervical vertebra, have
Effect ground reduces plant bone mass displacement abjection, and soleplate fracture collapses and the generation of tardy cervical kyphosis, promotes diseased region
Bone grafting merges, moreover it is possible to allow patient it is minimum outer fixed even without it is outer fixed when being capable of early ambulant.
Anterior plate fixation of the prior art can be generally divided into：Firm is locked, with CSLP (Cervical Spine
Locking Plate, cervical spine locking steel plate) and Orion steel plates be representative mono cortex screw (cancellous bone screw) type；
Half restricted type of angle, using Codman steel plates and the polyaxial Locking plates of Peak as mono cortex screw (the rotatable cancellous bone of representative
Screw) type；Half restricted type is slid, using DOC steel plates as mono cortex screw (slip cancellous bone screw) type of representative.Facing
On bed, locking robustness steel plate is also referred to as constrained plate (static(al) shape steel plate), and angle half limits shape steel plate and sliding half limits
Shape steel plate is referred to as unconstrained plate (power shape steel plate) again.
As the above analysis, anterior plate fixation of the prior art is varied, disclosure satisfy that wanting for different patients
It asks, however most anterior plate fixation thickness is partially thick, steel plate thickness partially will cause oesophagus potentially to stimulate, and can be to steel
Soft tissue around plate generates interference, so as to influence patient's recovering process.
Utility model content
The purpose of this utility model is to provide anterior plate fixation, to solve anterior cervical vertebrae steel in the prior art
Plate thickness is partially thick, and steel plate thickness partially can cause oesophagus potentially to stimulate, and can generate interference to the soft tissue around steel plate, from
And the technical issues of influencing patient's recovering process.
A kind of anterior plate fixation provided by the utility model, including：Steel plate body is provided on the steel plate body and melts
Window and multiple mounting holes are closed, and multiple mounting holes are uniformly and symmetrically distributed on the steel plate body.
Another kind anterior plate fixation provided by the utility model, including：Steel plate body is provided on the steel plate body
Window and multiple mounting holes are merged, and multiple mounting holes are uniformly and symmetrically distributed on the steel plate body, adjacent two
Retaining mechanism is provided between the mounting hole, the retaining mechanism can open and close two adjacent mounting holes simultaneously；
Two adjacent fixed hole positions are on the width of the steel plate body.
Further, the retaining mechanism completes the keying of the two neighboring mounting hole by the way of rotation.
Further, the retaining mechanism includes swivel plate and shaft, and one end of the shaft is vertical with the swivel plate to be connected
It connects, the other end is plugged in the inside of the steel plate body, and the shaft can be rotated relative to the steel plate body；
It is symmetrical arranged on the swivel plate there are two gap, it is adjacent when the gap goes to the top of the mounting hole
The mounting hole open；When the gap is away from the mounting hole, the adjacent fixed bore closure.
Further, the mounting hole is counterbore.
Further, the quantity of the fusion window is multiple, and is both provided between fusion window described in each two described
Mounting hole.
Further, enclosed equipped with multiple mounting holes around each fusion window, and the fusion window
At the medium position of multiple mounting holes.
Further, the quantity of the fusion window is one, and the quantity of the mounting hole is four.
Further, the length value of the steel plate body is more than 1 than width value.
Further, the thickness of the steel plate body is 2mm.
Anterior plate fixation provided by the utility model, including：Steel plate body is provided with fusion window on the steel plate body
Mouth and multiple mounting holes, and multiple mounting holes are uniformly and symmetrically distributed on the steel plate body.Above-mentioned anterior plate fixation,
The anterior plate fixation is fixed on cervical vertebra by screw by mounting hole；Fusion window is set on steel plate body, by roomy
Plant bone mass fusion window, operator can clearly look at terminal plate of vertebral body straight, convenient for confirming the position of plant bone mass and steel plate.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the front view for the anterior plate fixation that the utility model embodiment provides；
Fig. 2 is the bottom view of anterior plate fixation shown in FIG. 1
Fig. 3 is the front view for the anterior plate fixation that another embodiment of the utility model provides；
Fig. 4 is the front view for the anterior plate fixation that another embodiment of the utility model provides.
Reference numeral：
1- steel plate bodies；2- merges window；3- mounting holes；
4- swivel plates；
41- gap.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Fig. 1 is the front view for the anterior plate fixation that the utility model embodiment provides；Fig. 2 is before cervical vertebra shown in FIG. 1
Bottom view Fig. 3 of road steel plate is the front view for the anterior plate fixation that another embodiment of the utility model provides；Fig. 4 is this practicality
The front view for the anterior plate fixation that new another embodiment provides.
As shown in Figs 1-4, a kind of anterior plate fixation provided in this embodiment, including：Steel plate body 1, the steel plate sheet
Fusion window 2 and multiple mounting holes 3 are provided on body 1, and multiple mounting holes 3 are uniformly and symmetrically distributed in the steel plate body
On 1.
It should be noted that steel plate body 1 can be made of a variety of materials, and as a preferred solution, steel plate body 1
It is made of titanium alloy material, this is because titanium alloy has light-weight, good biocompatibility, to be not easy burn into nonmagnetic, right
MRI (Magnetic Resonance Imaging, nuclear magnetic resonance picture) and CT (Computed Tomography, computerized tomography
Scanning) it checks and generates the advantages of artifact is smaller etc. many.
The shape of steel plate body 1 can also be varied, and as a preferred solution, steel plate body 1 is in curved arc
Shape, the arc can make steel plate body 1 reach highest compactness with cervical vertebra.
Anterior plate fixation provided in this embodiment, including：Steel plate body 1 is provided with fusion window on the steel plate body 1
Mouth 2 and multiple mounting holes 3, and multiple mounting holes 3 are uniformly and symmetrically distributed on the steel plate body 1.Above-mentioned anterior cervical vertebrae
The anterior plate fixation is fixed on cervical vertebra by steel plate, screw by mounting hole 3；Fusion window 2 is set on steel plate body 1,
Window 2 is merged by roomy plant bone mass, operator can clearly look at terminal plate of vertebral body straight, convenient for confirming plant bone mass and steel plate
Position.
On the basis of above-described embodiment, specifically, as shown in Fig. 1,3,4, set between adjacent two mounting holes 3
Retaining mechanism is equipped with, the retaining mechanism can open and close the mounting hole 3 of adjacent two simultaneously；Two adjacent fixations
Hole 3 is located on the width of the steel plate body 1.
Realize open and close simultaneously two mounting holes 3 retaining mechanism can there are many form, such as：Two hinges pass through folding
Form realize or by way of rotation.
Set retaining mechanism that can prevent the screw in mounting hole 3 from coming off since long-time uses, and a locking machine
Structure controls the screw in two neighboring mounting hole 3 simultaneously, so that the operation of anterior plate fixation provided in this embodiment is more
Fast, efficiently, at the same time it can also mitigating the weight of anterior plate fixation.
On the basis of above-described embodiment, specifically, the retaining mechanism completes two neighboring institute by the way of rotation
State the keying of mounting hole 3.
Open and close two mounting holes 3 simultaneously by the way of rotation, it is simple in structure, it is easy to operate, and doctor's one hand is just
It can complete the operation.
On the basis of above-described embodiment, specifically, as shown in Fig. 1,3,4, the retaining mechanism includes swivel plate 4 and turns
Axis, one end of the shaft and 4 vertical connection of swivel plate, the other end are plugged in the inside of the steel plate body 1, described turn
Axis can be rotated relative to the steel plate body 1；It is symmetrical arranged on the swivel plate 4 there are two gap 41, when 41 turns of the gap
To the mounting hole 3 top when, the adjacent mounting hole 3 is opened；When the gap 41 is away from the mounting hole 3, phase
The adjacent mounting hole 3 is closed.
Two gap 41 are symmetrical arranged on swivel plate 4, when rotating the swivel plate 4, change gap 41 and mounting hole 3
Relative position relation, so as to fulfill the keying to mounting hole 3；Specifically, the diameter of swivel plate 4 is more than two neighboring mounting hole 3
Between gap value, and the distance between symmetrical two gap 41, less than or equal to the value in the gap.
On the basis of above-described embodiment, specifically, as shown in Figure 1, the mounting hole 3 is counterbore.
Setting mounting hole 3 is counterbore, and the nut of such screw can be fully sunk in the counterbore, so as to avoid nut height
Go out mounting hole 3, and unnecessary injury is caused to surrounding soft tissue.
On the basis of above-described embodiment, specifically, as shown in Figure 3,4, the quantity of the fusion window 2 is multiple, and
The mounting hole 3 is both provided between fusion window 2 described in each two.
Patient needs the length for the cervical vertebra repaired to differ, therefore, in order to meet the needs of different patients, steel plate body 1
Length differs；And 1 length of steel plate body it is longer when, then more screw is needed to be fixed, at this point, it is multiple fusion window 2 can
So that operator clearly looks at terminal plate of vertebral body straight.
On the basis of above-described embodiment, specifically, enclosed equipped with multiple described solid around each fusion window 2
Determine hole 3, and the fusion window 2 is located at the medium position of multiple mounting holes 3.
On the basis of above-described embodiment, specifically, as shown in Figure 1, the quantity of the fusion window 2 is one, it is described
The quantity of mounting hole 3 is four.
It is that fusion 2 quantity of window is one described in table 1, when 3 quantity of mounting hole is four, as shown in Figure 1, different model
The specific size of steel plate body 1, unit, mm, A, B represent the wide of steel plate body 1 and long respectively in table.
Table 1
In order to meet the needs of different patients, there are many models for steel plate body 1.
It is that fusion 2 quantity of window is two described in table 2, when 3 quantity of mounting hole is six, as shown in figure 3, different model
The specific size of steel plate body 1, unit, mm, A, B represent the wide of steel plate body 1 and long respectively in table.
Table 2
It is that fusion 2 quantity of window is three described in table 3, when 3 quantity of mounting hole is eight, as shown in figure 4, different model
The specific size of steel plate body 1, unit, mm, A, B represent the wide of steel plate body 1 and long respectively in table.
Table 3
From table 1, table 2, table 3, no matter how the length of steel plate body 1 changes, and width is constant always.
On the basis of above-described embodiment, specifically, as shown in Fig. 1,3,4, the length value of the steel plate body 1 compares width
Value is more than 1.
The length value of steel plate body 1 is more than 1 than width value, illustrates, the cross section of steel plate body 1 is rectangle, this is also accorded with
The basic configuration of human cervical spine is closed, so that anterior plate fixation provided in this embodiment can be more suitable for human body use.
On the basis of above-described embodiment, specifically, the thickness of the steel plate body 1 is 2mm.
The thickness of steel plate body 1 is designed as 2mm, it, can also be effectively while ensureing that steel plate body 1 has preferable intensity
Stimulation of the anterior plate fixation provided in this embodiment to soft tissue is reduced, avoids stimulating skin, it is concurrent to reduce postoperative esophagus etc.
Disease occurs.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Work as understanding：It can still modify to the technical solution recorded in foregoing embodiments either to which part or complete
Portion's technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality
The scope of new each embodiment technical solution.
Claims (8)
1. a kind of anterior plate fixation, which is characterized in that including：Steel plate body is provided with fusion window on the steel plate body
With multiple mounting holes, and multiple mounting holes are uniformly and symmetrically distributed on the steel plate body, adjacent two fixations
Retaining mechanism is provided between hole, the retaining mechanism can open and close two adjacent mounting holes simultaneously；
Two adjacent fixed hole positions are on the width of the steel plate body；The retaining mechanism include swivel plate and
Shaft, one end of the shaft and the swivel plate vertical connection, the other end are plugged in the inside of the steel plate body, described turn
Axis can be rotated relative to the steel plate body；
Gap there are two being symmetrical arranged on the swivel plate, when the gap goes to the top of the mounting hole, adjacent institute
State mounting hole unlatching；When the gap is away from the mounting hole, the adjacent fixed bore closure.
2. anterior plate fixation according to claim 1, which is characterized in that the retaining mechanism is complete by the way of rotation
Into the keying of the two neighboring mounting hole.
3. anterior plate fixation according to claim 1, which is characterized in that the mounting hole is counterbore.
4. anterior plate fixation according to claim 1, which is characterized in that the quantity of the fusion window is multiple, and
The mounting hole is both provided between fusion window described in each two.
5. anterior plate fixation according to claim 4, which is characterized in that enclose and be equipped with around each fusion window
Multiple mounting holes, and the fusion window is located at the medium position of multiple mounting holes.
6. anterior plate fixation according to claim 5, which is characterized in that the quantity of the fusion window is one, institute
The quantity for stating mounting hole is four.
7. anterior plate fixation according to claim 1, which is characterized in that the length value of the steel plate body compares width value
More than 1.
8. anterior plate fixation according to claim 1, which is characterized in that the thickness of the steel plate body is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104786.0U CN207400791U (en) | 2017-01-23 | 2017-01-23 | A kind of anterior plate fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104786.0U CN207400791U (en) | 2017-01-23 | 2017-01-23 | A kind of anterior plate fixation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207400791U true CN207400791U (en) | 2018-05-25 |
Family
ID=62321578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720104786.0U Active CN207400791U (en) | 2017-01-23 | 2017-01-23 | A kind of anterior plate fixation |
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| Country | Link |
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| CN (1) | CN207400791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123432A (en) * | 2019-05-15 | 2019-08-16 | 山东新华联合骨科器材股份有限公司 | A kind of cervical bone plate system |
| US11259937B2 (en) | 2018-11-09 | 2022-03-01 | Shanghai Chanczheng Hospital | Cervical vertebra fixing plate maintaining natural height, cervical vertebra anterior fixation and fusion system maintaining natural height and method thereof |
-
2017
- 2017-01-23 CN CN201720104786.0U patent/CN207400791U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11259937B2 (en) | 2018-11-09 | 2022-03-01 | Shanghai Chanczheng Hospital | Cervical vertebra fixing plate maintaining natural height, cervical vertebra anterior fixation and fusion system maintaining natural height and method thereof |
| CN110123432A (en) * | 2019-05-15 | 2019-08-16 | 山东新华联合骨科器材股份有限公司 | A kind of cervical bone plate system |
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