CN214907942U - Miniature prick steel plate for posterior cervical vertebra one-way open-door spinal canal enlargement plasty - Google Patents
Miniature prick steel plate for posterior cervical vertebra one-way open-door spinal canal enlargement plasty Download PDFInfo
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- CN214907942U CN214907942U CN202120534573.8U CN202120534573U CN214907942U CN 214907942 U CN214907942 U CN 214907942U CN 202120534573 U CN202120534573 U CN 202120534573U CN 214907942 U CN214907942 U CN 214907942U
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- Prior art keywords
- plate
- awl
- roof
- door
- side plate
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims 1
- 208000034869 Cervical myelopathy Diseases 0.000 description 2
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- 208000036319 cervical spondylosis Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 208000005801 spondylosis Diseases 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010028570 Myelopathy Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The utility model relates to the technical field of medical appliances, in particular to a micro-prick steel plate for cervical vertebra posterior path single-door vertebral canal enlarging and forming, which is provided with a top plate, a connecting plate and a side plate, wherein the upper end and the lower end of the connecting plate are respectively connected with the left end of the top plate and the right end of the side plate, the top plate and the side plate are respectively provided with a round hole for a fixing screw to pass through, and is characterized in that a vertical support plate is arranged at the joint of the top plate and the connecting plate, the vertical support plate is vertically connected with the top plate, the vertical support plate is provided with an upper prick protruding towards the top plate, the joint of the side plate and the connecting plate is provided with a lower pricker which is vertically connected with the side plate, carry out spacing fixed to the steel sheet through last awl thorn and awl thorn down, have simple structure, convenient to use, operation time shorten, the operation is efficient, reduce the quantity and the cost of production steel sheet and operation spare plate etc. advantage.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a miniature prick steel sheet that is used for cervical vertebra way of escape single-door spinal canal to enlarge plasty that simple structure, convenient to use, operation time shorten, the operation is efficient, reduce the quantity and the cost of production steel sheet and operation spare plate.
Background
As is well known, cervical spondylotic myelopathy is a common disease in clinic, the incidence rate of the cervical myelopathy is gradually increased in recent years, and the cervical myelopathy has serious clinical symptoms and high disability rate. The onset cause of the multi-segment spinal cervical spondylosis is usually due to degeneration and hyperplasia of intervertebral discs, the posterior margin of vertebral bodies and ligament tissues, so that the multi-segment cervical intervertebral discs are protruded, and the front and the back of cervical spinal cord are pressed, thereby leading a patient to have a series of clinical symptoms and physical signs. The posterior cervical canal single-door opening spinal canal enlargement forming operation is an operation mode commonly used for treating multi-segment spinal cord type cervical spondylosis at present, not only can enlarge the volume of the spinal canal and play a role in decompression, but also has less damage to the stability of the cervical vertebra. The often-used internal fixation instrument of way one-way open door operation of cervical vertebra back is miniature steel sheet clinically, the inventor finds that there is the limitation in the design of present conventional miniature steel sheet draw-in groove formula in long-term clinical practice, because the vertebral plate thickness of patient's cervical vertebra is different, even if three draw-in groove model has been designed for this purpose specially to traditional miniature steel sheet, nevertheless the problem that is difficult to match in the arrangement process still appears in practical application, influence operation efficiency and effect, production steel sheet and spare plate quantity all need 3 times more in addition, cause the cost extravagant.
Disclosure of Invention
The utility model aims at solving the deficiencies of the prior art, providing a miniature prick steel sheet that is used for cervical vertebra way of escape single-door spinal canal to enlarge the plasty that simple structure, convenient to use, operation time shorten, the operation is efficient, reduce the quantity and the cost of production steel sheet and operation spare plate.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a miniature awl thorn steel sheet for way one-way open door canalis spinalis enlarges plasty behind cervical vertebra, is equipped with roof, connecting plate and curb plate, the upper end and the lower extreme of connecting plate are connected with the left end of roof and the right-hand member of curb plate respectively, roof and curb plate on be equipped with the round hole that supplies set screw to pass respectively, its characterized in that the junction of roof and connecting plate be equipped with vertical extension board, vertical extension board and roof be connected perpendicularly mutually, be equipped with the upward awl that is outstanding towards the roof on the vertical extension board, the junction of curb plate and connecting plate be equipped with down the awl, down the awl thorn be connected perpendicularly with the curb plate, carry out spacing fixed through upward awl and lower awl to the steel sheet.
Go up awl thorn and awl thorn down and be equipped with two respectively, two go up the awl thorn and set up and be connected with vertical curb plate along the fore-and-aft direction of vertical curb plate, two awl thorn down set up and be connected with the curb plate lower extreme face along the fore-and-aft direction of terminal surface under the curb plate, set up two and go up the awl and prick down and increased stability, avoid the steel sheet to rotate.
Two go up the awl thorn and two distance between the awl thorn down be 5mm, the length of going up the awl thorn is 5mm, distance between awl thorn and the push pedal down is 3mm, does not influence the implantation of roof screw.
The utility model discloses owing to adopt above-mentioned structure, have simple structure, convenient to use, operation time shorten, the operation is efficient, reduce the quantity and the advantage such as cost of production steel sheet and operation spare plate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of fig. 2.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, the miniature spine steel plate for the posterior cervical spine single-door spinal canal enlargement forming operation is provided with a top plate 1, a connecting plate 2 and a side plate 3, the upper end and the lower end of the connecting plate 2 are respectively connected with the left end of the top plate 1 and the right end of the side plate 3, round holes for fixing screws to pass through are respectively formed in the top plate 1 and the side plate 3, the spine steel plate is characterized in that a vertical support plate 4 is arranged at the joint of the top plate 1 and the connecting plate 2, the vertical support plate 4 is vertically connected with the top plate 1, an upper spine 5 protruding towards the top plate 1 is arranged on the vertical support plate 4, a lower spine 6 is arranged at the joint of the side plate 3 and the connecting plate 2, the lower spine 6 is vertically connected with the side plate 3, and the steel plate is limited and fixed through the upper spine 5 and the lower spine 6.
Further, last awl thorn 5 with bore 6 down and be equipped with two respectively, two are gone up awl thorn 5 and are connected with vertical curb plate 3 along the fore-and-aft direction setting of vertical curb plate 3, two bore 6 down set up and are connected with curb plate 3 lower terminal surface along the fore-and-aft direction of curb plate 3 lower terminal surface, set up two and gone up awl thorn 5 and bore 6 down and increased stability, avoid the steel sheet to rotate.
Further, the distance between the two upper pricks 5 and the two lower pricks 6 is 5mm, the length of the upper prick 5 is 5mm, and the distance between the lower prick 6 and the push plate is 3mm, so that the implantation of the screw of the top plate 1 is not influenced.
The utility model discloses a miniature awl thorn steel sheet of way singly opening door behind neck mainly improves the draw-in groove formula design of the miniature steel sheet vertebral plate end of conventionality, goes up awl thorn 5 and awl 6 down and all adopt the design of bipyramid thorn, and bipyramid thorn is long about 5mm respectively, and apart from 3mm between the vertebral plate, 5mm interval between the bipyramid thorn. The designed neck back path single-door micro prick steel plate has one of the advantages that: the double-burr design can conveniently and firmly enable the top plate 1 of the steel plate to be temporarily fixed on the vertebral plate, and meanwhile, rotation and displacement are prevented. The designed neck back path single-door miniature taper thorn steel plate has the second advantage: the double-taper-thorn design is spaced by about 5mm, and the screw insertion of the top plate 1 is not influenced. In the previous cervical posterior single-door spinal canal expansion plasty, because cervical vertebral plates of different patients have different thicknesses and are uneven in thickness, the limitation of the end clamping groove type design model of the conventional cervical posterior miniature steel plate vertebral plate brings certain trouble to the operation, and when the thickness of an individual vertebral plate exceeds the clamping groove with the maximum model, the installation is difficult to complete, and time and labor are wasted; when the thickness of the vertebral plate is thinner than the minimum model, the clamping groove and the vertebral plate cannot be tightly connected, the displacement is easy to occur, and the effectiveness of temporary fixation is reduced. In long-term clinical practice, summarize the experience, design this kind of miniature prick thorn steel sheet of way single-opening door behind the neck, vertebral plate side prick thorn structure is only single model, settles and not receive vertebral plate thickness restriction, plays temporary fixation in directly piercing the spongy bone of vertebral plate through the prick, and convenient 1 screw of roof is further strengthened fixedly on next step. Therefore, the operation time is shortened, the operation efficiency is improved, and the quantity and the cost of producing steel plates and operation spare plates are reduced.
Claims (3)
1. The utility model provides a miniature awl thorn steel sheet for way one-way open door canalis spinalis enlarges plasty behind cervical vertebra, is equipped with roof, connecting plate and curb plate, the upper end and the lower extreme of connecting plate are connected with the left end of roof and the right-hand member of curb plate respectively, roof and curb plate on be equipped with the round hole that supplies set screw to pass respectively, its characterized in that the junction of roof and connecting plate be equipped with vertical extension board, vertical extension board and roof be connected perpendicularly mutually, be equipped with the upward awl that is outstanding towards the roof on the vertical extension board, the junction of curb plate and connecting plate be equipped with down the awl, down the awl thorn be connected perpendicularly with the curb plate, carry out spacing fixed through upward awl and lower awl to the steel sheet.
2. The micro-scale spinous steel plate for cervical posterior single-door canaliculus enlargement forming of claim 1, wherein two upper and lower spinous processes are provided, the two upper spinous processes are disposed along the front-rear direction of the vertical side plate and connected to the vertical side plate, and the two lower spinous processes are disposed along the front-rear direction of the lower end surface of the side plate and connected to the lower end surface of the side plate.
3. The micro-scale spinous steel plate for posterior cervical spine one-door canaliculus enlargement molding according to claim 1, wherein the distance between the two upper spinous processes and the two lower spinous processes is 5mm, the length of the upper spinous process is 5mm, and the distance between the lower spinous process and the push plate is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120534573.8U CN214907942U (en) | 2021-03-15 | 2021-03-15 | Miniature prick steel plate for posterior cervical vertebra one-way open-door spinal canal enlargement plasty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120534573.8U CN214907942U (en) | 2021-03-15 | 2021-03-15 | Miniature prick steel plate for posterior cervical vertebra one-way open-door spinal canal enlargement plasty |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214907942U true CN214907942U (en) | 2021-11-30 |
Family
ID=79040565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120534573.8U Expired - Fee Related CN214907942U (en) | 2021-03-15 | 2021-03-15 | Miniature prick steel plate for posterior cervical vertebra one-way open-door spinal canal enlargement plasty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214907942U (en) |
-
2021
- 2021-03-15 CN CN202120534573.8U patent/CN214907942U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |