CN205007075U - Artificial lamina and canalis spinalis expansion instrument - Google Patents
Artificial lamina and canalis spinalis expansion instrument Download PDFInfo
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- CN205007075U CN205007075U CN201520680651.XU CN201520680651U CN205007075U CN 205007075 U CN205007075 U CN 205007075U CN 201520680651 U CN201520680651 U CN 201520680651U CN 205007075 U CN205007075 U CN 205007075U
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- neural plate
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Abstract
The utility model provides an artificial lamina and canalis spinalis expansion instrument, artificial lamina includes: go up support, under bracing and be located support and the under bracing between the body, the bone trabecula structure that has a multidirectional micropore of growing into for the confession osteocyte partly at least of body. Use according to the automatic silicon steel sheet leveling machine of the transformer, artificial lamina has the bone trabecula structure, the similar spongiosa bone structure's that the bone trabecula structure has mat surface, the embedded combination of the face that combines between the higher and lower levels of the centrum that this mat surface and artificial lamina imbedded, provide initial stabilization function in order to form the support to the centrum for the artificial lamina after implanting, maintain the canalis spinalis space of expansion, and along with osteocyte among the human rehabilitation process and fine blood vessel are crawled along the micropore of bone trabecula structure and is grown into, the bone trabecula structure finally can form has the embedded structure of activated integration, make artificial lamina and the autologous vertebral plate of centrum permeate physically, it is fixed no longer forever to rely on the nail, can realize that more firm long term is from fixed.
Description
Technical field
This utility model relates to artificial prosthesis technical field, expands instrument in particular to a kind of artificial neural plate and canalis spinalis.
Background technology
The spinal canal stenosis of corpus vertebrae is a kind of common skeleton abnormal condition, therefore needs manually to expand canalis spinalis.Realize the expansion of canalis spinalis mainly through two kinds of means in prior art.
The first to open seam groove in the bilateral lamina outer rim of vertebral body, retains side vertebral plate inner panel as " door-hinge ", cuts off opposite side vertebral plate holostrome and form " enabling crack between a door and its frame ", then started along " door-hinge " by vertebral body, complete single open-door action.Again vertebral body supporting titanium plate is placed between the vertebral plate after enabling and lateral mass, on vertebral plate and lateral mass, inserts hold-down screw respectively, to maintain permanent " enabling ", thus realize the expansion of canalis spinalis.
Another kind is the first half of extracing vertebral body, namely with a part for spinous process, installs artificial spinous process part afterwards, replaces the first half of vertebral body, realizes the expansion of canalis spinalis.
But the artificial neural plate for replacing vertebral plate to support vertebral body of the prior art all adopts nail to be fixed on vertebral body, and life-time service easily loosens, and causes fixing insecure, can cause harmful effect to the health of human body.
Utility model content
Main purpose of the present utility model is to provide a kind of artificial neural plate and canalis spinalis to expand instrument, fixes unstable problem to solve artificial neural plate of the prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of artificial neural plate, comprising: upper support and lower support and the body between upper support and lower support, the trabecular bone structure body with multidirectional micropore at least partially for growing into for osteocyte of body.
Further, upper support protrudes from first side in the longitudinal direction of body along the length direction of body, and on the first side, upper support is positioned at one end of the side towards vertebral foramen away from body.
Further, the projected direction of upper support favours the length direction of body.
Further, lower support protrudes from second side in the longitudinal direction of body along the length direction of body, and on the second side, lower support is positioned at one end of the side towards vertebral foramen away from body.
Further, the projected direction of lower support favours the length direction of body.
Further, body also comprises framework, and framework is arranged on the outside of trabecular bone structure body towards the side of vertebral foramen.
Further, upper support and lower support are connected in framework.
Further, artificial neural plate adopts titanium alloy and/or absorbable material to make.
Further, absorbable material comprises calcium-magnesium alloy.
Further, the complete soak time of artificial neural plate is no less than 12 months.
According to another aspect of the present utility model, provide a kind of canalis spinalis and expand instrument, canalis spinalis expands instrument for expanding the space of the canalis spinalis of vertebral body in human body, and expansion instrument comprises two above-mentioned artificial neural plates.
Further, when canalis spinalis expand instrument be in be arranged to epicentral state time, two artificial neural plates are separately positioned on the both sides of vertebral body, a part with spinous process for the upper support and connection vertebral body of artificial neural plate, the lower support of artificial neural plate connects a part with lateral mass for vertebral body, and the body of artificial neural plate is between a part with lateral mass with a part of vertebral body of spinous process for vertebral body.
Further, when canalis spinalis expansion instrument is in the state be arranged on the vertebral plate of vertebral body, two artificial neural plates are arranged on the both sides of vertebral body symmetrically.
Further, canalis spinalis expands instrument and also comprises multiple staple, and multiple staple is used for the vertebral plate upper support of artificial neural plate and lower support being fixed on vertebral body.
Application the technical solution of the utility model, artificial neural plate has trabecular bone structure body, the matsurface of the similar cancellous bone structure that trabecular bone structure body has, the embedded combination in the face that combines between the higher and lower levels of this matsurface and the vertebral body embedded by artificial neural plate, provide incipient stability function to form the support to vertebral body to the artificial neural plate after implanting, maintain the canal space expanded, and grow into along with osteocyte in human recovery process and capillary vessel are creeped along the micropore of trabecular bone structure body, trabecular bone structure body finally can form the Embedded structure of the activated fusion of tool, the autologous vertebral plate of artificial neural plate and vertebral body is combined together, no longer forever rely on nail to fix, more firmly self-retaining at a specified future date can be realized.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining this utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic perspective view of the embodiment according to artificial neural plate of the present utility model;
Fig. 2 shows the side direction schematic perspective view of the embodiment according to artificial neural plate of the present utility model;
Fig. 3 shows the side schematic view of the embodiment according to artificial neural plate of the present utility model; And
Fig. 4 shows and is installed to epicentral schematic diagram according to the embodiment of canalis spinalis expansion instrument of the present utility model.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe this utility model in detail in conjunction with the embodiments.
According to an aspect of the present utility model, provide a kind of artificial neural plate, as shown in Figures 1 to 3, this artificial neural plate comprises: upper support 20, lower support 30 and the body between upper support 20 and lower support 30, the trabecular bone structure body 11 with multidirectional micropore at least partially for growing into for osteocyte of body.
Artificial neural plate of the present utility model has trabecular bone structure body 11, the matsurface of the similar cancellous bone structure that trabecular bone structure body 11 has, the embedded combination in the face that combines between the higher and lower levels of this matsurface and the vertebral body embedded by artificial neural plate, provide incipient stability function to form the support to vertebral body to the artificial neural plate after implanting, maintain the canal space expanded, and grow into along with osteocyte in human recovery process and capillary vessel are creeped along the micropore of trabecular bone structure body 11, trabecular bone structure body 11 finally can form the Embedded structure of the activated fusion of tool, the autologous vertebral plate of artificial neural plate and vertebral body is combined together, no longer forever rely on nail to fix, more firmly self-retaining at a specified future date can be realized.
Preferably, as shown in Figures 2 and 3, upper support 20 protrudes from first side in the longitudinal direction of body along the length direction of body, and on the first side, upper support 20 is positioned at one end of the side towards vertebral foramen away from body.Preferably, the projected direction of upper support 20 favours the length direction of body.
Preferably, as shown in Figures 2 and 3, lower support 30 protrudes from second side in the longitudinal direction of body along the length direction of body, and on the second side, lower support 30 is positioned at one end of the side towards vertebral foramen away from body.Preferably, the projected direction of lower support 30 favours the length direction of body.
Upper support 20 all needs to coordinate with vertebral body with the angle between body with the angle between body and lower support 30, to realize more firm fixing.
Preferably, body also comprises framework 12, and framework 12 is arranged on the outside of trabecular bone structure body 11 towards the side of vertebral foramen.More preferably, upper support 20 is connected in framework 12 with lower support 30.Framework 12 is entity structure, non-trabecular bone structure, and therefore intensity is large, is suitable as the connection structural bodies of support 20 and lower support 30.
Preferably, vertebral plate adopts titanium alloy and/or absorbable material to make.Titanium alloy comprises the medical titanium alloys such as Ti6Al4V; Absorbable material comprises calcium-magnesium alloy.Absorbable material can also be the material that other slowly can be degraded voluntarily human body people, such as organic material etc.
More preferably, the complete soak time of vertebral body structure is no less than 12 months.
Below describe a kind of embodiment of artificial neural plate of the present utility model in detail, as shown in Figures 1 to 3, this artificial neural plate comprises: upper support 20, lower support 30 and the body between upper support 20 and lower support 30, and the length of body and thickness can have the selection of plurality of specifications model, to adapt to the size of different vertebral bodys.The hole of upper support 20 and lower support 30 is used for artificial neural plate and vertebral body to fix, and angle and the radian of upper support 20 and lower support 30 adopt anatomical form design, can better and vertebral body fit.
The surface, face of merging up and down of artificial neural plate is provided with the microcellular structure of growing into for osteocyte, this microcellular structure is a kind of multidirectional micro hole structure be interconnected, the diameter range of hole is 300 microns to 1500 microns, it is more preferably 500 microns to 1000 microns, this hole is conducive to osteocyte and creeps and grow into, and makes artificial neural plate faying face and physiological bone structure generation bone merge to reach steady in a long-term.
According to another aspect of the present utility model, additionally provide a kind of canalis spinalis and expand instrument, canalis spinalis expands instrument for expanding the space of the canalis spinalis of vertebral body in human body, and expansion instrument comprises two above-mentioned artificial neural plates.
Canalis spinalis of the present utility model is adopted to expand instrument, one can be realized and " rise and push up " laminoplasty of formula to expand sagittal canal diameter, namely to open seam groove in bilateral lamina outer rim, cut off vertebral plate holostrome and form " Sheng Ding gap ", archecenra is made to form the Part I with spinous process and the Part II be connected with lateral mass, then by Part I together with spinous process rearward lifting, sagittal canal diameter is made to be able to effective expansion, again artificial neural plate is placed between the Part I after lifting and Part II, keep the state of the canalis spinalis after expanding, to maintain permanent " rising top ".The laminoplasty that should " rise and push up " formula does not need to peel off supraspinous soft tissue, namely vertebral structure can retain complete soft tissue, less to the injury of human body, more be beneficial to the recovery of human body, and avoid changing cervical vertebra or thoracic vertebra, the power set structure of lumbar vertebra, motor pattern, prevent Lordosis loss, even kyphosis deformity, avoid spinal motion amplitude obviously limited.
Preferably, as shown in Figure 4, when canalis spinalis expansion instrument is in the state be arranged on the vertebral plate of vertebral body, two artificial neural plates are arranged on the both sides of vertebral body, the upper support 20 of artificial neural plate connects a part with spinous process for vertebral body, the lower support 30 of artificial neural plate connects a part with lateral mass for vertebral body, and the body of artificial neural plate is between the part with spinous process and a part with lateral mass for vertebral body of vertebral plate.
In a kind of preferred embodiment, when canalis spinalis expand instrument be in be arranged to epicentral state time, two artificial neural plates are arranged on the both sides of vertebral body symmetrically.
As shown in Figure 4, canalis spinalis expands instrument and also comprises multiple staple, and multiple staple is used for the vertebral plate upper support 20 of artificial neural plate and lower support 30 being fixed on vertebral body.In another kind of embodiment, the lower support 30 of artificial neural plate is connected on the lateral mass of vertebral body.
At fixing early stage of artificial vertebral body, sclerotin also do not grow into or in not complete trabecular bone structure body 11 of growing into time, artificial neural plate is fixed on vertebral plate by nail, treats that trabecular bone structure body 11 finally forms the activated fusion damascene structures of tool, after realizing self-retaining, nail can be removed.
In yet another aspect, artificial neural plate of the present utility model can also be used for traditional open-door laminoplasty expansion laminoplasty.Namely to open seam groove in bilateral lamina outer rim, retain side vertebral plate inner panel as " door-hinge ", cut off opposite side vertebral plate holostrome and form " enabling crack between a door and its frame ", then vertebral plate is started to " door-hinge ", complete single open-door action.Again vertebral plate supporting titanium plate is placed between the vertebral plate after enabling and lateral mass, on vertebral plate and lateral mass, inserts hold-down screw respectively, to maintain permanent " enabling ", thus realize the expansion of canalis spinalis.Be placed between the vertebral plate after enabling and lateral mass during use, maintain and open the door.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (14)
1. an artificial neural plate, it is characterized in that, comprise: the upper body supporting (20), lower support (30) and be positioned between described upper support (20) and described lower support (30), the trabecular bone structure body (11) with multidirectional micropore at least partially for growing into for osteocyte of described body.
2. artificial neural plate according to claim 1, it is characterized in that, described upper support (20) protrudes from first side in the longitudinal direction of described body along the length direction of described body, on described first side, described upper support (20) is positioned at one end of the side towards vertebral foramen away from described body.
3. artificial neural plate according to claim 2, is characterized in that, the projected direction of described upper support (20) favours the length direction of described body.
4. artificial neural plate according to claim 1, it is characterized in that, described lower support (30) protrudes from second side in the longitudinal direction of described body along the length direction of described body, on described second side, described lower support (30) is positioned at one end of the side towards vertebral foramen away from described body.
5. artificial neural plate according to claim 4, is characterized in that, the projected direction of described lower support (30) favours the length direction of described body.
6. artificial neural plate according to claim 1, is characterized in that, described body also comprises framework (12), and described framework (12) is arranged on the outside of described trabecular bone structure body (11) towards the side of vertebral foramen.
7. artificial neural plate according to claim 6, is characterized in that, described upper support (20) and described lower support (30) are connected in described framework (12).
8. artificial neural plate according to any one of claim 1 to 7, is characterized in that, described artificial neural plate adopts titanium alloy and/or absorbable material to make.
9. artificial neural plate according to claim 8, it is characterized in that, described absorbable material comprises calcium-magnesium alloy.
10. artificial neural plate according to claim 8, it is characterized in that, the complete soak time of described artificial neural plate is no less than 12 months.
11. 1 kinds of canalis spinalis expand instrument, and described canalis spinalis expands instrument for expanding the space of the canalis spinalis of vertebral body in human body, and it is characterized in that, described expansion instrument comprises two artificial neural plates according to any one of claim 1 to 10.
12. canalis spinalis according to claim 11 expand instrument, it is characterized in that, when described canalis spinalis expand instrument be in be arranged to described epicentral state time, described two artificial neural plates are separately positioned on the both sides of described vertebral body, the upper support (20) of described artificial neural plate connects a part with spinous process for described vertebral body, the lower support (30) of described artificial neural plate connects a part with lateral mass for described vertebral body, and the body of described artificial neural plate is between the part with spinous process and a part with lateral mass for described vertebral body of described vertebral body.
13. canalis spinalis according to claim 11 expand instrument, it is characterized in that, when described canalis spinalis expansion instrument is in the state on the vertebral plate being arranged to described vertebral body, described two artificial neural plates are arranged on the both sides of described vertebral body symmetrically.
14. canalis spinalis according to claim 11 expand instrument, it is characterized in that, described canalis spinalis expands instrument and also comprises multiple staple, and described multiple staple is used for the vertebral plate upper support (20) of described artificial neural plate and lower support (30) being fixed on described vertebral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520680651.XU CN205007075U (en) | 2015-09-02 | 2015-09-02 | Artificial lamina and canalis spinalis expansion instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520680651.XU CN205007075U (en) | 2015-09-02 | 2015-09-02 | Artificial lamina and canalis spinalis expansion instrument |
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| Publication Number | Publication Date |
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| CN205007075U true CN205007075U (en) | 2016-02-03 |
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| CN201520680651.XU Active CN205007075U (en) | 2015-09-02 | 2015-09-02 | Artificial lamina and canalis spinalis expansion instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105055058A (en) * | 2015-09-02 | 2015-11-18 | 北京爱康宜诚医疗器材股份有限公司 | Artificial vertebral lamina and vertebral canal expansion tool |
| CN109124833A (en) * | 2018-11-08 | 2019-01-04 | 北京爱康宜诚医疗器材有限公司 | Artificial dentata |
| CN110338895A (en) * | 2019-08-20 | 2019-10-18 | 北京大学第三医院（北京大学第三临床医学院） | Support, fixed, fusing device between a kind of vertebral plate |
-
2015
- 2015-09-02 CN CN201520680651.XU patent/CN205007075U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105055058A (en) * | 2015-09-02 | 2015-11-18 | 北京爱康宜诚医疗器材股份有限公司 | Artificial vertebral lamina and vertebral canal expansion tool |
| CN109124833A (en) * | 2018-11-08 | 2019-01-04 | 北京爱康宜诚医疗器材有限公司 | Artificial dentata |
| CN110338895A (en) * | 2019-08-20 | 2019-10-18 | 北京大学第三医院（北京大学第三临床医学院） | Support, fixed, fusing device between a kind of vertebral plate |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing Changping District science and Technology Park No. 10 Patentee after: Beijing AKEC Medical Co., Ltd. Address before: 102200 Beijing Changping District science and Technology Park No. 10 Patentee before: Beijing AKEC Medical Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210330 Address after: 100191 No. 49 Garden North Road, Beijing, Haidian District Patentee after: PEKING UNIVERSITY THIRD Hospital Address before: 102200 Beijing science and Technology Park of Changping District Bai Fu Road 10 Patentee before: Beijing AK Medical Co.,Ltd. |