CN215458528U - A backup pad for repairing cervical vertebra way of escape single-door vertebral plate breach - Google Patents
A backup pad for repairing cervical vertebra way of escape single-door vertebral plate breach Download PDFInfo
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- CN215458528U CN215458528U CN202121436872.4U CN202121436872U CN215458528U CN 215458528 U CN215458528 U CN 215458528U CN 202121436872 U CN202121436872 U CN 202121436872U CN 215458528 U CN215458528 U CN 215458528U
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- fixing plate
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 69
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011247 coating layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007788 roughening Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000002449 bone cell Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 210000000963 osteoblast Anatomy 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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Abstract
The utility model provides a supporting plate for repairing a posterior cervical vertebra one-way open-door vertebral plate gap, which comprises a corresponding vertebral plate fixing plate, a lateral mass fixing plate and a connecting plate, wherein a first mounting hole is formed in the vertebral plate fixing plate; a second mounting hole is formed in the side block fixing plate; a third mounting hole is formed in the connecting plate in a penetrating mode, the third mounting hole is a long hole, a bone grafting block is arranged on the lower surface of the connecting plate, a vertebral plate binding block is arranged on the lower surface of the connecting plate close to the end of the vertebral plate fixing plate, and a side block binding block is arranged on the lower surface of the connecting plate close to the end of the side block fixing plate; fix the whole backup pad of backup pad in cervical vertebra back way one-way open door vertebral plate breach department through screw and first mounting hole and second mounting hole threaded connection, the piece is pricked to the vertebral plate simultaneously can directly prick the outer edge of the spongy bone tangent plane of vertebral plate, and the piece is pricked to the lateral mass is formed according to actual vertebral plate and is lifted angle and distance, can directly prick the arbitrary bone surface of lateral mass, provides the instant stable fixed in the art, the operation of being convenient for, safe save time.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a supporting plate for repairing a posterior cervical vertebra one-way open-door vertebral plate notch.
Background
The single-door cervical laminoplasty is an important surgical operation for treating cervical spondylosis, such as cervical stenosis, and has been widely used in clinic because of its relatively simple operation and obvious alleviation of clinical symptoms, and the conventional bone grafting steel plate is fixed by a suture suspension method or by screws, and the suture suspension method is used for tying and fixing a vertebral plate by a connecting wire, so that the fixation may be unstable while the operation is relatively difficult, and the connecting wire may be cut, broken or extended; and the screw is fixed to only use the screw to carry out fixed stay to the steel sheet of planting bone, appears the screw not hard up easily and leads to the steel sheet of planting bone to shift, and then causes the failure of single open-door cervical laminoplasty, reduces the treatment effect of single open-door cervical laminoplasty, aggravates patient's the state of an illness.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the supporting plate for repairing the posterior cervical vertebra one-way open-door vertebral plate gap, which is convenient to operate and fix, stable and reliable in fixation and solves the problem that the bone grafting steel plate is displaced and the one-way open-door cervical vertebral plate forming operation fails due to the fact that the bone grafting steel plate is not firmly fixed in the existing one-way open-door cervical vertebral plate forming operation.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the supporting plate comprises a vertebral plate fixing plate and a lateral mass fixing plate which are arranged in parallel, an inclined connecting plate is arranged between the vertebral plate fixing plate and the lateral mass fixing plate, two ends of the connecting plate are fixedly connected with one end parts of the vertebral plate fixing plate and the lateral mass fixing plate respectively, and the connecting end of the connecting plate and the end part of the vertebral plate fixing plate is higher than the connecting end of the connecting plate and the end part of the lateral mass fixing plate;
a plurality of first mounting holes for mounting fixing screws are arranged on the vertebral plate fixing plate in a penetrating way; a plurality of second mounting holes for mounting fixing screws are formed in the side block fixing plate;
a third mounting hole is arranged on the connecting plate in a penetrating mode and is a long hole, the penetrating direction of the third mounting hole is perpendicular to the end face of the connecting plate, and the length direction of the third mounting hole is the same as the length direction of the connecting plate;
the lower surface of the connecting plate is provided with a bone grafting block in a cuboid structure; the lower surface of the connecting plate close to the end of the vertebral plate fixing plate is provided with a vertebral plate binding block, the lower surface of the connecting plate close to the end of the lateral mass fixing plate is provided with a lateral mass binding block, the vertebral plate binding block and the lateral mass binding block are both in a conical structure, and the large-diameter ends of the vertebral plate binding block and the lateral mass binding block are both fixedly connected with the lower surface of the connecting plate.
Furthermore, the length of the vertebral plate binding block and the length of the lateral mass binding block are both 5.0 mm-8.0 mm.
Furthermore, the vertebral plate fixing plate, the lateral mass fixing plate, the connecting plate, the vertebral plate binding block and the lateral mass binding block are of an integrated structure.
Furthermore, the vertebral plate fixing plate, the lateral mass fixing plate, the connecting plate, the vertebral plate binding block and the lateral mass binding block are all made of titanium alloy, the thickness of each of the vertebral plate fixing plate, the lateral mass fixing plate and the connecting plate is 0.6-1.0 mm, the width of each of the vertebral plate fixing plate, the lateral mass fixing plate and the connecting plate is 4-5 mm, and a layer of bone induction coating adopting roughening treatment is coated on the surfaces of each of the vertebral plate fixing plate, the lateral mass fixing plate and the connecting plate.
Furtherly, the bone grafting piece can be dismantled with the connecting plate through the third mounting hole and be connected, the upper surface of bone grafting piece and the lower surface laminating of connecting plate, the length of bone grafting piece is 0.8 ~ 0.9 times of connecting plate length, all be provided with the recess that a longitudinal interface is "V" font on two terminal surfaces on the bone grafting piece length direction, in the direction of height of bone grafting piece, the both ends edge of every groove opening part all meets with the terminal surface on the bone grafting piece length direction, in the width direction of bone grafting piece, two sides of bone grafting piece are all run through to every recess.
Further, the horizontal distance between the bottoms of the two grooves is 10 mm-12 mm.
Furthermore, the number of the first mounting holes is two, and a central connecting line between the two first mounting holes is in the same direction with the length direction of the vertebral plate fixing plate; the number of the second mounting holes is two, and a central connecting line between the two second mounting holes is vertical to the length direction of the side block fixing plate.
Further, the first mounting hole, the second mounting hole and the third mounting hole are all countersunk holes.
The utility model has the beneficial effects that: 1. the whole supporting plate is fixed at the posterior cervical vertebra one-way open-door vertebral plate gap through the threaded connection of the screw, the first mounting hole and the second mounting hole, meanwhile, the vertebral plate binding block can be directly bound into the outer edge of the section of cancellous bone of the vertebral plate, and the side block binding block can be directly bound into any bone surface of the side block according to the actual vertebral plate forming opening angle and distance, so that the instant stable fixation in the operation is provided, the operation is convenient, and the operation is safe and time-saving; the surfaces of the vertebral plate fixing plate, the lateral mass fixing plate and the connecting plate are coated with a bone induction coating layer which is subjected to roughening treatment, so that osteoblasts can be attached to bones to grow into the vertebral plate, a permanent forming vertebral plate is formed, and loosening and displacement among the vertebral plate, the lateral mass, the steel plate and the bone grafting block can be effectively avoided.
2. The bone grafting block is fixedly connected to the lower surface of the connecting plate in a threaded connection mode of the screw and the third mounting hole, and meanwhile, the two end surfaces in the length direction of the bone grafting block are respectively provided with a V-shaped groove, so that the two end surfaces of the bone grafting block are in closer contact with the outer edge of the vertebral plate and the bone surface of the lateral block, bone cells can be attached to the bone grafting block, and the healing of a gap of the vertebral plate is accelerated; the third mounting hole is a long-strip hole, and the joint of the bone grafting block and the screw is adjusted, so that the bone grafting block is convenient to fix and convenient to operate.
Drawings
Fig. 1 is a three-dimensional structure diagram of a supporting plate for repairing a posterior cervical spine one-way open-door vertebral plate gap.
Fig. 2 is a front view of a supporting plate for repairing a posterior cervical spine one-way open-door vertebral plate gap.
Fig. 3 is a top view of a support plate for repairing a posterior cervical single-door vertebral plate gap.
Wherein, 1, vertebral plate fixing plate; 2. a lateral mass fixing plate; 3. a connecting plate; 4. a first mounting hole; 5. a second mounting hole; 6. a third mounting hole; 7. bone grafting blocks; 8. a vertebral plate ligation block; 9. binding side blocks; 10. and (4) a groove.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.
As shown in fig. 1 to 3, the utility model provides a supporting plate for repairing a posterior cervical vertebra one-way open-door vertebral plate gap, which comprises a vertebral plate fixing plate 1 and a lateral mass fixing plate 2 which are arranged in parallel, wherein an inclined connecting plate 3 is arranged between the vertebral plate fixing plate 1 and the lateral mass fixing plate 2, two ends of the connecting plate 3 are respectively fixedly connected with one end parts of the vertebral plate fixing plate 1 and the lateral mass fixing plate 2, and the connecting end of the connecting plate 3 and the end part of the vertebral plate fixing plate 1 is higher than the connecting end of the connecting plate 3 and the end part of the lateral mass fixing plate 2; so that the whole supporting plate is in a Z-shaped structure.
A plurality of first mounting holes 4 for mounting fixing screws are arranged on the vertebral plate fixing plate 1 in a penetrating way; a plurality of second mounting holes 5 for mounting fixing screws are formed in the side block fixing plate 2; specifically, the number of the first mounting holes 4 is two, and a central connecting line between the two first mounting holes 4 is in the same direction with the length direction of the vertebral plate fixing plate 1, so that a fixing point is increased, and the connection firmness is improved; the number of the second mounting holes 5 is two, a central connecting line between the two second mounting holes 5 is perpendicular to the length direction of the side block fixing plate 2, and under the condition that the length of the side block fixing plate 2 is not increased, fixing points of the side block fixing plate 2 and the side block are increased, so that firm connection is ensured.
A third mounting hole 6 penetrates through the connecting plate 3, the third mounting hole 6 is a long hole, the penetrating direction of the third mounting hole 6 is perpendicular to the end face of the connecting plate 3, and the length direction of the third mounting hole 6 is the same as that of the connecting plate 3; the lower surface of the connecting plate 3 is provided with a bone grafting block 7 in a cuboid structure; the third mounting hole 6 is a long-strip hole, and the joint of the bone grafting block and the screw is adjusted, so that the bone grafting block is convenient to fix and convenient to operate.
The first mounting hole 4, the second mounting hole 5 and the third mounting hole 6 are all countersunk holes, so that the head of the screw passing through the screw holes can be sunk into the surface of the whole fixing plate, and the head of the screw and the head of the locking screw are prevented from protruding outwards.
As a specific arrangement mode of the bone grafting block 7, the length of the bone grafting block 7 is 0.8 to 0.9 times of the length of the connecting plate 3, two end surfaces of the bone grafting block 7 in the length direction are respectively provided with a groove 10 with a V-shaped longitudinal interface, in the height direction of the bone grafting block 7, the edges of the two ends of the opening of each groove 10 are connected with the end surface of the bone grafting block 7 in the length direction, in the width direction of the bone grafting block 7, each groove 10 penetrates through two side surfaces of the bone grafting block 7, the horizontal distance between the bottoms of the two grooves 10 is 10 mm-12 mm, because the length distance of the opening of the vertebral plate is generally 10 mm-12 mm, the bone grafting block 7 needs to be matched with the opening of the vertebral plate, the arrangement of the V-shaped groove 10, make two terminal surfaces of bone grafting piece 7 and the outer edge of vertebral plate and the contact of lateral mass bone face inseparabler, be favorable to bone cell to adhere to on bone grafting piece 7 for the healing of vertebral plate breach.
The lower surface of the connecting plate 3 close to the end of the vertebral plate fixing plate 1 is provided with a vertebral plate binding block 8, the lower surface of the connecting plate 3 close to the end of the lateral mass fixing plate 2 is provided with a lateral mass binding block 9, the vertebral plate binding block 8 and the lateral mass binding block 9 are both in a conical structure, and the large-diameter ends of the vertebral plate binding block 8 and the lateral mass binding block 9 are both fixedly connected with the lower surface of the connecting plate 3; specifically, the length of the vertebral plate binding block 8 and the length of the lateral mass binding block 9 are both 5.0 mm-8.0 mm, and the vertebral plate binding block 8 and the lateral mass binding block 9 with different lengths can be flexibly selected according to different vertebral plates.
The vertebral plate fixing plate 1, the lateral mass fixing plate 2, the connecting plate 3, the vertebral plate binding block 8 and the lateral mass binding block 9 are of an integrated structure, so that the whole supporting plate is firmly connected, the large-scale production and manufacturing are facilitated, the manufacturing cost can be reduced, and the manufacturing period can be shortened; the material that piece 8 and piece 9 were pricked to vertebral plate fixed plate 1, lateral mass fixed plate 2, connecting plate 3, vertebral plate is the titanium alloy, and vertebral plate fixed plate 1, lateral mass fixed plate 2 and connecting plate 3's thickness is 0.6 ~ 1.0mm, and the width is 4 ~ 5mm, and the titanium alloy is parent biological metal, and its chemical stability can not take place the change of chronogenesis or rotten, guarantees that whole forming device is after implanting the vertebral plate, and the stable performance promotes life.
The surfaces of the vertebral plate fixing plate 1, the side block fixing plate 2 and the connecting plate 3 are coated with a bone induction coating layer which is subjected to roughening treatment, the bone induction coating layer is beneficial to osteoblasts to adhere to bones and grow into the bone induction coating layer, a permanent forming vertebral plate is formed, and loosening and displacement among the vertebral plate, the side block, the steel plate and the bone grafting block 7 can be effectively avoided.
The process that the supporting plate is fixed at the posterior cervical vertebra one-way open-door vertebral plate gap is as follows: firstly, selecting a supporting plate and a bone grafting block 7 which are matched according to the size of a gap, connecting the bone grafting block 7 with the lower surface of a connecting plate 3 by installing screws in a third mounting hole 6, and attaching the upper surface of the bone grafting block 7 with the lower surface of the connecting plate 3 after the bone grafting block 7 is connected with the connecting plate 3; then place bone grafting piece 7 in the vertebral plate breach for the both ends terminal surface of bone grafting piece 7 respectively with the vertebral plate outer edge with the lateral mass outer edge laminating contact, when placing bone grafting piece 7, the vertebral plate pricks piece 8 and directly pricks the outer edge of vertebral plate cancellous bone tangent plane, lateral mass pricks piece 9 and according to actual vertebral plate shaping opening angle and distance, directly pricks the arbitrary bone face of lateral mass, install the screw in first mounting hole 4 at last, realize that vertebral plate fixed plate 1 is fixed with vertebral plate upper portion, prick piece 9 with the screw in second mounting hole 5, realize lateral mass fixed plate 2 and lateral mass upper portion fixed connection, prick the fixing of piece through first mounting hole 4, second mounting hole 5, vertebral plate prick piece 8 and lateral mass, the instant stable fixed in the provision art, the operation of being convenient for, safety and time saving, and after the operation, the backup pad is connected fixedly and is reliable and stable.
Claims (8)
1. A supporting plate for repairing a posterior cervical vertebra one-way open-door vertebral plate notch is characterized by comprising a vertebral plate fixing plate and a lateral mass fixing plate which are arranged in parallel, wherein an inclined connecting plate is arranged between the vertebral plate fixing plate and the lateral mass fixing plate;
a plurality of first mounting holes for mounting fixing screws are arranged on the vertebral plate fixing plate in a penetrating way; a plurality of second mounting holes for mounting fixing screws are formed in the side block fixing plate;
a third mounting hole is formed in the connecting plate in a penetrating mode, the third mounting hole is a long hole, the penetrating direction of the third mounting hole is perpendicular to the end face of the connecting plate, and the length direction of the third mounting hole is the same as the length direction of the connecting plate;
the lower surface of the connecting plate is provided with a bone grafting block in a cuboid structure; the lower surface of the connecting plate close to the end of the vertebral plate fixing plate is provided with a vertebral plate binding block, the lower surface of the connecting plate close to the end of the lateral mass fixing plate is provided with a lateral mass binding block, the vertebral plate binding block and the lateral mass binding block are both in a conical structure, and the large-diameter end of the vertebral plate binding block and the lateral mass binding block is fixedly connected with the lower surface of the connecting plate.
2. The support plate for repairing the posterior cervical single-door vertebral plate gap according to claim 1, wherein the vertebral plate binding block and the lateral mass binding block have a length of 5.0mm to 8.0 mm.
3. The support plate for repairing the posterior cervical single-door vertebral plate gap according to claim 2, wherein the vertebral plate fixing plate, the lateral mass fixing plate, the connecting plate, the vertebral plate binding block and the lateral mass binding block are of an integrated structure.
4. The supporting plate for repairing the posterior cervical single-door vertebral plate gap according to claim 3, wherein the vertebral plate fixing plate, the lateral mass fixing plate, the connecting plate, the vertebral plate binding block and the lateral mass binding block are made of titanium alloy, the vertebral plate fixing plate, the lateral mass fixing plate and the connecting plate are 0.6-1.0 mm in thickness and 4-5 mm in width, and the surfaces of the vertebral plate fixing plate, the lateral mass fixing plate and the connecting plate are coated with a roughened bone induction coating.
5. The supporting plate for repairing the posterior cervical vertebra one-way open-door vertebral plate gap according to claim 1, wherein the bone graft block is detachably connected with the connecting plate through the third mounting hole, the upper surface of the bone graft block is attached to the lower surface of the connecting plate, the length of the bone graft block is 0.8 to 0.9 times of the length of the connecting plate, two end surfaces in the length direction of the bone graft block are respectively provided with a groove with a V-shaped longitudinal interface, the edges of two ends at the opening of each groove are connected with the end surfaces in the length direction of the bone graft block in the height direction of the bone graft block, and each groove penetrates through two side surfaces of the bone graft block in the width direction of the bone graft block.
6. The supporting plate for repairing the posterior cervical single-door vertebral plate gap according to claim 5, wherein the horizontal distance between the bottoms of the two grooves is 10mm to 12 mm.
7. The supporting plate for repairing the posterior cervical single-door vertebral plate gap according to claim 1, wherein the number of the first installation holes is two, and the central connecting line between the two first installation holes is in the same direction with the length direction of the vertebral plate fixing plate; the number of the second mounting holes is two, and a central connecting line between the two second mounting holes is perpendicular to the length direction of the side block fixing plate.
8. The support plate for repairing a posterior cervical single-door lamina gap of claim 7, wherein the first, second and third mounting holes are counter-sunk holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121436872.4U CN215458528U (en) | 2021-06-25 | 2021-06-25 | A backup pad for repairing cervical vertebra way of escape single-door vertebral plate breach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121436872.4U CN215458528U (en) | 2021-06-25 | 2021-06-25 | A backup pad for repairing cervical vertebra way of escape single-door vertebral plate breach |
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| Publication Number | Publication Date |
|---|---|
| CN215458528U true CN215458528U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121436872.4U Expired - Fee Related CN215458528U (en) | 2021-06-25 | 2021-06-25 | A backup pad for repairing cervical vertebra way of escape single-door vertebral plate breach |
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| Country | Link |
|---|---|
| CN (1) | CN215458528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117137692A (en) * | 2023-08-31 | 2023-12-01 | 上海斯潘威生物技术有限公司 | Vertebral plate bone grafting plate |
-
2021
- 2021-06-25 CN CN202121436872.4U patent/CN215458528U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117137692A (en) * | 2023-08-31 | 2023-12-01 | 上海斯潘威生物技术有限公司 | Vertebral plate bone grafting plate |
| CN117137692B (en) * | 2023-08-31 | 2024-04-26 | 上海斯潘威生物技术有限公司 | Vertebral plate bone grafting plate |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |