CN202843769U - Anterior cervical pedicle screw internal fixation steel plate - Google Patents
Anterior cervical pedicle screw internal fixation steel plate Download PDFInfo
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- CN202843769U CN202843769U CN 201220536791 CN201220536791U CN202843769U CN 202843769 U CN202843769 U CN 202843769U CN 201220536791 CN201220536791 CN 201220536791 CN 201220536791 U CN201220536791 U CN 201220536791U CN 202843769 U CN202843769 U CN 202843769U
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- circular port
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- nail hole
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Abstract
The utility model discloses an anterior cervical pedicle screw internal fixation steel plate and belongs to the technical field of spine positioners or stabilizers in surgical instruments. The anterior cervical pedicle screw internal fixation steel plate comprises a steel plate body, wherein the steel plate body comprise a first fixing part, a second fixing part and a connection fixing part, the first fixing part is provided with a kidney-shaped screw placing hole and two round screw placing holes, the second fixing part is provided with a kidney-shaped screw placing hole and two round screw placing holes, each kidney-shaped screw placing hole is located above the round screw placing holes on the same fixing part, and a middle screw placing hole is formed in the connection fixing part. According to the anterior cervical pedicle screw internal fixation steel plate, advantages of an anterior cervical centrum screw and an anterior cervical pedicle screw are combined, and three-column stabilization is achieved. The anterior cervical pedicle screw internal fixation steel plate is applicable to anterior lower cervical spine internal fixation, and safety and stability of an operation are guaranteed.
Description
Technical field
This utility model relates to a kind of cervical vertebra screw internal fixation steel plate, belongs to spinal column localizer or regulator technical field in the surgical instruments.
Background technology
Technique for fixing is overhauled mainly for the cervical vertebra postoperative in the anterior approach, the cases such as osteoporosis and cervical vertebra tumor, existing anterior approach inner fixing device, so that biomechanics is difficult to reach needed effect, need to increase in the neck way of escape fixing to improve the success rate of operation for this reason, in recent years technique for fixing is so that it has advantage at biomechanics in the lower cervical anterior pedicle of vertebral arch that occurs, can provide strong fixing, but existing part only one-sided pedicle of vertebral arch to put nail stability limited, the mechanics skewness, intervertebral bone grafting block easily is shifted, and part bilateral pedicle of vertebral arch is put the nail inner fixing device and is difficult to carry out the unusual patient of part one side pedicle of vertebral arch.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, this utility model provides a kind of anterior approach pedicle screw internal fixation steel plate, in conjunction with the separately advantage of anterior approach vertebral body nail and anterior approach pedicle nail, fixing in conjunction with being applied in the lower cervical anterior, guarantee the safety and stability of performing the operation.
This utility model is achieved by the following technical solution: a kind of anterior approach pedicle screw internal fixation steel plate, it comprises the steel plate main body, the steel plate main body comprises the first fixed part and the second fixed part, be connected with the section of being connected and fixed between described the first fixed part and the second fixed part, all being manufactured with kidney-shaped on described the first fixed part and the second fixed part puts nail hole and circle and puts the nail hole, described kidney-shaped is put the top that circle that nail Kong Jun is positioned at fixed part same with it is put the nail hole, described being connected and fixed is manufactured with middle deployment nail hole in the section, middle deployment nail hole is to put the perpendicular slotted hole of the long axis direction in nail hole with described kidney-shaped, and middle deployment nail hole is positioned on the centrage of described steel plate main body.
As a kind of improvement, the described width that is connected and fixed section is less than described the first fixed part and the second fixed part, so that described steel plate main body integral body is dumbbell shape.
As a kind of improvement, described kidney-shaped is put the nail hole two, comprises the mounting hole I that is positioned on described the first fixed part and the mounting hole II that is positioned on described the second fixed part; Described circle is put nail Kong Yousi, comprises circular port I, the circular port II that is positioned on described the first fixed part and is positioned at circular port III, circular port IV on described the second fixed part; Described circular port I, circular port II are positioned at the below of described mounting hole I, the line of centres of circular port I and circular port II is parallel with the long axis direction of described mounting hole I, described circular port III, circular port IV are positioned at the below of described mounting hole II, and the circular port III is parallel with the long axis direction of described mounting hole II with the circular port IV line of centres.
As a kind of improvement, the middle both sides in described middle deployment nail hole are manufactured with two arc gap, form plant bone mass staple hole.
As a kind of improvement, described kidney-shaped is put the nail hole, circle is put nail hole and the middle deployment nail hole aperture outside described steel plate main body greater than its aperture in steel plate main body inboard.
The beneficial effects of the utility model are: compared with prior art, use this utility model to be fixed in conjunction with lower cervical vertebral body screw and pedicle screw.Can select suitable bilateral pedicle screw to fix in the time of fixedly, one-sided pedicle of vertebral arch is fixed, the vertebral body screw is fixing and combination in any is fixed, and can be the implantable bone piece provides screw to fix, meet lower pedicle for cervical vertebra arch and vertebral body and put the anatomic characteristic of nail, can provide three posts stable, it is stable to increase plant bone mass, has guaranteed the safety and reliability of operation; This utility model is simple in structure, and is with low cost, easy to operate, can adapt to the nail road anatomical features that lower pedicle for cervical vertebra arch and vertebral body are put nail, improved stability and safety that time cervical steel plate is implanted.
Description of drawings
The below further specifies this utility model with embodiment with reference to the accompanying drawings.
Fig. 1 is this utility model front view;
Fig. 2 is this utility model embodiment front view;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2.
Among the figure, 1, the steel plate main body, 1-1, the first fixed part, 1-2, the second fixed part, are connected and fixed section at 1-3, and 2, circle puts the nail hole, 2-1, circular port I, 2-2, circular port II, 2-3, circular port III, 2-4, circular port IV, 3, kidney-shaped is put the nail hole, 3-1, mounting hole I, 3-2, mounting hole II, 4, middle deployment nail hole.
The specific embodiment
Such as Fig. 1, Fig. 2, Fig. 3, a kind of anterior approach pedicle screw internal fixation steel plate shown in Figure 4, it comprises steel plate main body 1, steel plate main body 1 comprises the first fixed part 1-1 and the second fixed part 1-2, be connected with between described the first fixed part 1-1 and the second fixed part 1-2 and be connected and fixed the 1-3 of section, all be manufactured with kidney-shaped on described the first fixed part 1-1 and the second fixed part 1-2 and put nail hole 3 and circle and put nail hole 2, described kidney-shaped is put the top that circle that nail hole 3 all is positioned at fixed part same with it is put nail hole 2.Described being connected and fixed is manufactured with middle deployment nail hole 4 on the 1-3 of section, middle deployment nail hole 4 is to put the perpendicular slotted hole of the long axis direction in nail hole 3 with described kidney-shaped, and middle deployment nail hole 4 is positioned on the centrage of described steel plate main body 1, its advantage is: the contact area that both can reduce steel plate and vertebral body, reduce material usage, form is provided, the plant bone mass staple can be assemblied in this hole again.Can be manufactured with two arc gap in the middle both sides in middle deployment nail hole 4, form plant bone mass staple hole.
The described width that is connected and fixed the 1-3 of section is less than described the first fixed part 1-1 and the second fixed part 1-2, so that described steel plate main body 1 integral body is dumbbell shape.
As shown in Figure 2, described kidney-shaped is put nail hole 3 two, comprises the mounting hole I 3-1 that is positioned on described the first fixed part 1-1 and the mounting hole II 3-2 that is positioned on described the second fixed part 1-2, and the length of two mounting holes is identical with the aperture; Described circle is put nail hole 2 four, and the aperture of four circular ports is identical and identical with the aperture in described plant bone mass staple hole.Circle is put nail hole 2 and is comprised and be positioned at circular port I 2-1, the circular port II 2-2 on described the first fixed part 1-1 and be positioned at circular port III 2-3, circular port IV 2-4 on described the second fixed part 1-2; Described circular port I 2-1, circular port II 2-2 are positioned at the below of described mounting hole I 3-1, the line of centres of circular port I 2-1 and circular port II 2-2 is parallel with the long axis direction of described mounting hole I 3-1, described circular port III 2-3, circular port IV 2-4 are positioned at the below of described mounting hole II 3-2, and circular port III 2-3 is parallel with the long axis direction of described mounting hole II 3-2 with the circular port IV 2-4 line of centres.
Described kidney-shaped put nail hole 3, circle put nail hole 2 and middle deployment nail hole 4 in the aperture in described steel plate main body 1 outside greater than its aperture in steel plate main body 1 inboard.
During use, steel plate main body 1 is used for connecting two vertebral bodys (or two above vertebral bodys), the road pedicle nail of in mounting hole I 3-1 and mounting hole II 3-2, reaching the last, squeeze into the vertebral body screw in the plant bone mass staple hole in middle deployment nail hole 4, wherein mounting hole I 3-1 and mounting hole II 3-2 can select to squeeze into the bilateral pedicle screw or squeeze into one-sided pedicle screw.Squeeze into respectively the vertebral body screw in described circular port I 2-1, circular port II 2-2, circular port III 2-3 and circular port IV 2-4, the screw in circular port I 2-1, circular port II 2-2, circular port III 2-3 and the circular port IV 2-4 can universal adjustment.
This utility model can select suitable bilateral pedicle screw to fix fixedly the time, one-sided pedicle of vertebral arch is fixed, the vertebral body screw fixing and combination in any is fixed, and can be the implantable bone piece provides screw to fix, meet lower pedicle for cervical vertebra arch and vertebral body and put the anatomic characteristic of nail, can provide three posts stable, it is stable to increase plant bone mass, has guaranteed the safety and reliability of operation.
Claims (6)
1. anterior approach pedicle screw internal fixation steel plate, it is characterized in that: it comprises steel plate main body (1), steel plate main body (1) comprises the first fixed part (1-1) and the second fixed part (1-2), be connected with the section of being connected and fixed (1-3) between described the first fixed part (1-1) and the second fixed part (1-2), all being manufactured with kidney-shaped on described the first fixed part (1-1) and the second fixed part (1-2) puts nail hole (3) and circle and puts and follow closely hole (2), described kidney-shaped is put the top that circle that nail hole (3) all is positioned at fixed part same with it is put nail hole (2), described being connected and fixed is manufactured with middle deployment nail hole (4) in the section (1-3), middle deployment nail hole (4) is to put the perpendicular slotted hole of the long axis direction in nail hole (3) with described kidney-shaped, and middle deployment nail hole (4) is positioned on the centrage of described steel plate main body (1).
2. anterior approach pedicle screw internal fixation steel plate according to claim 1, it is characterized in that: the described width that is connected and fixed section (1-3) is less than described the first fixed part (1-1) and the second fixed part (1-2), so that described steel plate main body (1) integral body is dumbbell shape.
3. anterior approach pedicle screw internal fixation steel plate according to claim 1 and 2, it is characterized in that: described kidney-shaped is put nail hole (3) two, comprises the mounting hole I (3-1) that is positioned on described the first fixed part (1-1) and is positioned at mounting hole II (3-2) on described the second fixed part (1-2); Described circle is put nail hole (2) four, comprises circular port I (2-1), the circular port II (2-2) that is positioned on described the first fixed part (1-1) and is positioned at circular port III (2-3), circular port IV (2-4) on described the second fixed part (1-2); Described circular port I (2-1), circular port II (2-2) are positioned at the below of described mounting hole I (3-1), the line of centres of circular port I (2-1) and circular port II (2-2) is parallel with the long axis direction of described mounting hole I (3-1), described circular port III (2-3), circular port IV (2-4) are positioned at the below of described mounting hole II (3-2), and circular port III (2-3) is parallel with the long axis direction of described mounting hole II (3-2) with circular port IV (2-4) line of centres.
4. anterior approach pedicle screw internal fixation steel plate according to claim 1 and 2 is characterized in that: middle the both sides in described middle deployment nail hole (4) are manufactured with two arc gap, formation plant bone mass staple hole.
5. anterior approach pedicle screw internal fixation steel plate according to claim 3 is characterized in that: middle the both sides in described middle deployment nail hole (4) are manufactured with two arc gap, formation plant bone mass staple hole.
6. anterior approach pedicle screw internal fixation steel plate according to claim 1 and 2 is characterized in that: described kidney-shaped put nail hole (3), circle put nail hole (2) and middle deployment nail hole (4) in the aperture in described steel plate main body (1) outside greater than its aperture in steel plate main body (1) inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536791 CN202843769U (en) | 2012-10-19 | 2012-10-19 | Anterior cervical pedicle screw internal fixation steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536791 CN202843769U (en) | 2012-10-19 | 2012-10-19 | Anterior cervical pedicle screw internal fixation steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202843769U true CN202843769U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536791 Expired - Fee Related CN202843769U (en) | 2012-10-19 | 2012-10-19 | Anterior cervical pedicle screw internal fixation steel plate |
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| CN (1) | CN202843769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104758040A (en) * | 2015-04-30 | 2015-07-08 | 山东威高骨科材料股份有限公司 | Steel plate for anterior cervial internal fixation and guiding device |
-
2012
- 2012-10-19 CN CN 201220536791 patent/CN202843769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104758040A (en) * | 2015-04-30 | 2015-07-08 | 山东威高骨科材料股份有限公司 | Steel plate for anterior cervial internal fixation and guiding device |
| CN106137374A (en) * | 2015-04-30 | 2016-11-23 | 山东威高骨科材料股份有限公司 | Anterior cervical vertebrae internal fixation guider |
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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: 20130403 Termination date: 20131019 |