CN204971721U - Can clog artifical centrum of stable form - Google Patents
Can clog artifical centrum of stable form Download PDFInfo
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- CN204971721U CN204971721U CN201520756791.0U CN201520756791U CN204971721U CN 204971721 U CN204971721 U CN 204971721U CN 201520756791 U CN201520756791 U CN 201520756791U CN 204971721 U CN204971721 U CN 204971721U
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- artificial vertebral
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Abstract
The utility model discloses a can clog artifical centrum of stable form, including last cushion, go up artifical centrum, clog the piece, artifical centrum and cushion down, go up the cushion and install in the top of last artifical centrum, lower cushion is installed in the below of artifical centrum down, clogs the piece and is equipped with a plurality of specifications, clog the piece install in last artifical centrum with down between the artifical centrum, upward still be equipped with pawl mechanism or screw -threaded mechanism between artifical centrum and the lower artifical centrum, clog and be the convex -concave between piece and last artifical centrum, the lower artifical centrum and coordinate. The utility model discloses strutting last artifical centrum and lower artifical centrum and recovering original physiology with supplementary backbone and continue the implantation again after high and clog the piece, whole artifical centrum does not have the dangerous cross section on the direction of height to can obtain to stablize more firm spinal internal fixation, implant this manual work centrum through the operation again with the excision of the centrum of pathological change after, its function is substituted by artifical centrum, supplementary backbone recovers original physiology height, keeps human normal physiological curvature.
Description
Technical field
This utility model relates to technical field of medical instruments, and specifically one can clog stable type artificial vertebral body.
Background technology
From artificial vertebral body in 1969 first for since clinical, artificial vertebral body is used widely clinically as the effective vertebral body replacements of a class, for the diseases such as treatment tumor of spine, tuberculosis and fracture bring great convenience, artificial vertebral body can not only recover the physiological anatomic architecture of spinal column preferably and correct spinal anterior approach, rebuilds effect also give prominence to spinal stability.Along with spinal vertebral is rebuild and the development of fusion technology, artificial vertebral body as a kind of vertebral body replacements, for doctor and patient provide more therapeutic choice.But still there are some defects in the treatment in traditional artificial vertebral body, such as artificial vertebral body Shortcomings in axial-rotation, with upper hypocentrum in conjunction with time firm not, cause implant to be deviate from, sedimentation etc.In order to meet clinical demand further, emerge a collection of knockdown artificial vertebral body in recent years, these vertebral height angles can adjust to reach satisfied clinical effectiveness, but these artificial vertebral bodies are all adopt retractor device adjustment height, after vertebral body raises, whole artificial vertebral body there will be the situation of cross-sectional area inequality unavoidably, so these the most dangerous cross-sectional areas will inevitably reduce the intensity of whole artificial vertebral body, affect its serviceability and service life.According to three post theories of spinal column, vertebral body is stressed account for whole spinal column stressed 80%, therefore the size of artificial vertebral body intensity directly determines the quality of spinal fusion and postoperative stability.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the clogged stable type artificial vertebral body of stable performance, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
One can clog stable type artificial vertebral body, comprise cushion block, upper artificial vertebral body, packing tablet, lower artificial vertebral body and lower cushion block, described upper cushion block is arranged on the top of artificial vertebral body, lower cushion block is arranged on the below of lower artificial vertebral body, described packing tablet is provided with multiple specification, packing tablet is installed between artificial vertebral body and lower artificial vertebral body, is also provided with pawl mechanism or thread mechanism between described upper artificial vertebral body and lower artificial vertebral body.
As further program of the utility model: be male-female between described packing tablet and upper artificial vertebral body, lower artificial vertebral body.
As further program of the utility model: the described upper surface of upper cushion block and the lower surface of lower cushion block are inclined-plane or cambered surface.
As this utility model further scheme: described stable type artificial vertebral body of clogging is cuboid or cylinder.
Compared with prior art, the beneficial effects of the utility model are:
This utility model continues to implant packing tablet after upper artificial vertebral body and lower artificial pyramidal support recover original physiology height with auxiliary spinal column again, whole artificial vertebral body is safe from danger cross section in the height direction, thus the internal fixation of spine of stable strong more can be obtained, after the vertebral resection of pathological changes being implanted this artificial vertebral body again by operation, its function is substituted by artificial vertebral body, auxiliary spinal column recovers original physiology height, keeps the physiological camber of human normal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is explosive view of the present utility model.
Fig. 3 is the schematic diagram of upper artificial vertebral body and lower artificial vertebral body junction in this utility model.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-3, one can clog stable type artificial vertebral body, comprise cushion block 1, upper artificial vertebral body 2, packing tablet 3, lower artificial vertebral body 4 and lower cushion block 5, described upper cushion block 1 is arranged on the top of artificial vertebral body 2, lower cushion block 5 is arranged on the below of lower artificial vertebral body 4, described packing tablet 3 is provided with multiple specification, to meet different patients ' demands and to strut height; Packing tablet is installed between artificial vertebral body 2 and lower artificial vertebral body 4, is also provided with pawl mechanism or thread mechanism between described upper artificial vertebral body 2 and lower artificial vertebral body 4.
Male-female is between described packing tablet 3 and upper artificial vertebral body 2, lower artificial vertebral body 4, the movement in shape direction is lost at spinal column in order to prevent packing tablet 3, the upper surface of described upper cushion block 1 and the lower surface of lower cushion block 5 are inclined-plane or cambered surface, can meet the anatomy of spine feature of different patient better, described stable type artificial vertebral body of clogging is cuboid or cylinder.
Flexible between described upper artificial vertebral body 2 and lower artificial vertebral body 4 is realized by pawl mechanism or thread mechanism, pawl mechanism not only slides mild and can prevent artificial vertebral body from declining, original physiology height is recovered with auxiliary spinal column, after adjusting suitable artificial vertebral body height, suitable packing tablet 3 just can be selected to load, make whole artificial vertebral body more stable and stronger more.
During concrete use, doctor is by the vertebral resection of surgical operation by pathological changes, after excision to upper hypocentrum carry out process be polished to lamina surface hemorrhage till, carry out a series of strut and measure after select the suitable artificial vertebral body clogged to implant, by extraneous apparatus, upper and lower artificial vertebral body is strutted again after implantation, because the cooperation between upper artificial vertebral body 2 and lower artificial vertebral body 4 is that pawl coordinates, strut rear artificial vertebral body can highly stablely can not decline, when after the spinal column physiological curve and the recovery of physiology height of patient, implant suitable packing tablet 3 again, so just can obtain the artificial vertebral body of best stabilized and the most stable internal fixtion.
This utility model upper artificial vertebral body 2 and lower artificial vertebral body 5 strut recover original physiology height with auxiliary spinal column after again continue implant packing tablet 3, whole artificial vertebral body is safe from danger cross section in the height direction, thus the internal fixation of spine of stable strong more can be obtained, after the vertebral resection of pathological changes being implanted this artificial vertebral body again by operation, its function is substituted by artificial vertebral body, auxiliary spinal column recovers original physiology height, keeps the physiological camber of human normal.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. can clog stable type artificial vertebral body for one kind, comprise cushion block (1), upper artificial vertebral body (2), packing tablet (3), lower artificial vertebral body (4) and lower cushion block (5), it is characterized in that, described upper cushion block (1) is arranged on the top of artificial vertebral body (2), lower cushion block (5) is arranged on the below of lower artificial vertebral body (4), described packing tablet (3) is provided with multiple specification, packing tablet is installed between artificial vertebral body (2) and lower artificial vertebral body (4), pawl mechanism or thread mechanism is also provided with between described upper artificial vertebral body (2) and lower artificial vertebral body (4).
2. according to claim 1ly clog stable type artificial vertebral body, it is characterized in that, described packing tablet (3) and upper artificial vertebral body (2), lower artificial vertebral body are male-female between (4).
3. according to claim 1ly clog stable type artificial vertebral body, it is characterized in that, the upper surface of described upper cushion block (1) and the lower surface of lower cushion block (5) are inclined-plane or cambered surface.
4. according to claim 1ly clog stable type artificial vertebral body, it is characterized in that, described stable type artificial vertebral body of clogging is cuboid or cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756791.0U CN204971721U (en) | 2015-09-28 | 2015-09-28 | Can clog artifical centrum of stable form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756791.0U CN204971721U (en) | 2015-09-28 | 2015-09-28 | Can clog artifical centrum of stable form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204971721U true CN204971721U (en) | 2016-01-20 |
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| CN201520756791.0U Active CN204971721U (en) | 2015-09-28 | 2015-09-28 | Can clog artifical centrum of stable form |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108324408A (en) * | 2018-03-23 | 2018-07-27 | 广州华钛三维材料制造有限公司 | Two-piece unit formula artificial vertebral body and its application method |
-
2015
- 2015-09-28 CN CN201520756791.0U patent/CN204971721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108324408A (en) * | 2018-03-23 | 2018-07-27 | 广州华钛三维材料制造有限公司 | Two-piece unit formula artificial vertebral body and its application method |
| CN108324408B (en) * | 2018-03-23 | 2024-03-01 | 广州华钛三维材料制造有限公司 | Upper-lower split artificial vertebral body and application method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |