CN106037919A - Spine vertebral plate bridging system - Google Patents
Spine vertebral plate bridging system Download PDFInfo
- Publication number
- CN106037919A CN106037919A CN201610327089.1A CN201610327089A CN106037919A CN 106037919 A CN106037919 A CN 106037919A CN 201610327089 A CN201610327089 A CN 201610327089A CN 106037919 A CN106037919 A CN 106037919A
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- Prior art keywords
- vertebral plate
- fixing end
- bridge system
- lateral mass
- plane
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Prostheses (AREA)
Abstract
The invention relates to a spine vertebral plate bridging system. The spine vertebral plate bridging system comprises a fixing board main body, imaging markers, short bone nails and long bone nails, wherein the fixing board main body is formed by connecting a vertebral plate fixing end, a slope support rib and a side block fixing end, and is in a similar Z shape in the whole, two vertically arranged through holes are formed in the vertebral plate fixing end, the short bone nails are matched with the vertically arranged through holes, two horizontally arranged through holes are formed in the side block fixing end, the long bone nails are matched with the horizontally arranged through holes, the vertebral plate fixing end, the slope support rib and the side block fixing end have the same thickness, which is 0.8-1.0 mm, the width of the slope support rib is smaller than the maximal width of the vertebral plate fixing end, and smaller than the maximal width of the side block fixing end, the width of the slope support rib is 4.5-5 mm, the maximal width of the vertebral plate fixing end is 6-10 mm, and the maximal width of the side block fixing end is 6-10 mm. The system has good elasticity, and can well attach to the bone surface under the compression of screws.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically to a kind of spinal lamina bridge system.
Background technology
Human spine's canalis spinalis is due to various factors such as developmental spinal stenosis, cervical spondylosis, prolapse of cervical intervertebral disc, rear vertical tough
Band bone China disease, hypertrophy of ligamentum flavum etc. often can cause spinal canal stenosis, compressing spinal cord to cause, and axial pain, limbs pain be numb, flesh without
The symptoms such as power even paralysis, serious impact life.For above-mentioned disease, using vertebral plate enabling urethroptasty is conventional expansion vertebra
The effective ways of pipe.Single open-door laminoplasty is the most universal laminoplasty.Vertebral plate bridge system is the widest at present
The general reconstruction of vertebral plate in vertebral plate enabling urethroptasty, it can expand canalis spinalis, support protection rear structure.
Current existing spinal lamina bridge system is different, and later stage long-range effect is the most variant, in the choosing of material
Taking, whole-colored is medical titanium alloy, produces when metal vertebral plate system also exists stress shielding after implanting human body, CT and MR checks
The defects such as raw artifact effects clinical observation.After metal vertebral plate bridge system is implanted, utilize rigidity and the hardness of metal system self,
Vertebral plate side actively applies permanent support force or a pulling force, and it is fixing that this active force makes vertebral plate be formed passively, deposits for a long time
At internal stress, it is unfavorable for the molding growth of vertebral plate itself.
Therefore, it is necessary existing spinal lamina bridge system is improved in fact so that it is material physical property is close to people
Body sclerotin, biocompatibility is good, and X-ray can penetrate, to improve the therapeutic effect of vertebral plate enabling art and to keep spinal lamina
Seriality.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of spinal lamina bridge
Welding system, this system can preferably be fitted surface of bone, is actively applied forming force by vertebral plate itself after implantation, and system only serves by masterpiece
With, retaining human body primitive organism mechanics, vertebral plate is little with system screw internal stress, and toner screw rate is little.
To achieve these goals, the spinal lamina bridge system of the present invention, including fixed plate main body, development mark,
Short bone is followed closely and long nail, and described fixed plate main body is fixed end be formed by connecting by the fixing end of vertebral plate, inclined-plane ribs and lateral mass, and whole
Body is a class Z-shaped, and the fixing end of described vertebral plate is provided with two in line through holes, and described short bone nail is joined with described in line through hole
Closing, the fixing end of described lateral mass is provided with two horizontally-arranged through holes, described long nail coordinates with described horizontally-arranged through hole, and described vertebral plate is solid
Fixed end, described inclined-plane ribs and described lateral mass are fixed end and are had same thickness, for 0.8mm～1.0mm；Described inclined-plane ribs
Width fix the Breadth Maximum of end less than described vertebral plate and fix the Breadth Maximum of end less than described lateral mass；Described inclined-plane supports
The width of rib is 4.5mm～5mm；It is 6mm～10mm that described vertebral plate fixes the Breadth Maximum of end；Described lateral mass fixes the maximum of end
Width is 6mm～10mm.
Above-mentioned spinal lamina bridge system, wherein, described vertebral plate is fixed and is held the side away from inclined-plane ribs to have half
Rounded ends, and described vertebral plate fixes the width of end and successively decreases toward the side near inclined-plane ribs from described semi-circular ends.
Above-mentioned spinal lamina bridge system, wherein, the bottom surface of described inclined-plane ribs is near described vertebral plate fixing end position
Put and extend a supporter obliquely, and described supporter end fixing with described vertebral plate and described inclined-plane ribs form a class tiger
Degree of lip-rounding bayonet socket.
Above-mentioned spinal lamina bridge system, wherein, the bottom surface of described inclined-plane ribs is near described lateral mass fixing end position
Put and extend a protruding block straight down, and described protruding block runs through the whole width of described inclined-plane ribs.
Above-mentioned spinal lamina bridge system, wherein, described development mark is two, and one of them is positioned at described vertebral plate
On fixing end, and it is positioned at the side of two in line through hole lines of centres；Other in which is positioned on the fixing end of described lateral mass, and position
Side in two horizontally-arranged through hole lines of centres.
Above-mentioned spinal lamina bridge system, wherein, a length of 1.1mm～1.3mm of described development mark.
Above-mentioned spinal lamina bridge system, wherein, described fixed plate main body, described short bone nail and described long nail are all adopted
Make with medical embedded stage polyetheretherketoneresin material.
Above-mentioned spinal lamina bridge system, wherein, described development mark uses medical titanium to make.
The invention has the beneficial effects as follows:
Fixed plate main body uses ultrathin design, and system has good elasticity so that it is adding pressure at screw can be preferably
Laminating surface of bone, is actively applied forming force by vertebral plate itself after implantation, and system only serves stress effect, retains human body primitive organism power
Learning, vertebral plate is little with system screw internal stress, and toner screw rate is little.
Further, vertebral plate fixes the bayonet socket of end and lateral mass fixes the protruding block design of end so that can also in system art
Play instant support to expand canalis spinalis, recover vertebral canal volume, the effect at protection rear, postoperative apply long-term auxiliary support force,
Laminoplasty is postoperative closes the door again effectively to prevent enabling canalis spinalis from expanding, and operation technique is simple and practical, reliably, safely, effectively.
It addition, polyetheretherketonematerials materials has the biocompatibility of excellence, with human body without rejection, postoperative minimizing pair is made
With, long-term effect is good.
Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the spinal lamina bridge system of the present invention；
Fig. 2 is the front view of the spinal lamina bridge system of the present invention；
Fig. 3 is the axonometric chart of the fixed plate main body in Fig. 1；
Fig. 4 is the short bone nail front view in Fig. 1；
Fig. 5 is the long nail front view in Fig. 1.
Wherein, reference
1 fixed plate main body
The fixing end of 11 vertebral plates
111 in line through holes
12 inclined-plane ribs
The fixing end of 13 lateral mass
131 horizontally-arranged through holes
2 development marks
3 short bone nails
31 section start self tapping cutting edges
4 long nails
41 section start self tapping cutting edges
5 supporters
6 protruding blocks
The width of L inclined-plane ribs
Detailed description of the invention
As shown in Figures 1 to 5, spinal lamina bridge system includes fixed plate main body 1, development mark 2, short bone nail 3 and
Long nail 4, fixed plate main body 1 fixed the fixing end 13 of end 11, inclined-plane ribs 12 and lateral mass by vertebral plate and is formed by connecting, and generally
One class Z-shaped, the fixing end 11 of vertebral plate is provided with two in line through holes 111, and short bone nail 3 coordinates with in line through hole 111, and lateral mass is solid
Being provided with two horizontally-arranged through holes 131 on fixed end 13, long nail 4 coordinates with horizontally-arranged through hole 131.It is provided with section start on short bone nail 3
Self tapping cutting edge 31.Section start self tapping cutting edge 41 it is provided with on long nail 4.
In the present invention, fixed plate main body 1 uses ultrathin design, specifically: vertebral plate fixes end 11, inclined-plane ribs 12 and
The fixing end 13 of lateral mass has same thickness, for 0.8mm～1.0mm, preferably 0.8mm；The width L of inclined-plane ribs 12 is less than vertebra
Plate is fixed the Breadth Maximum of end 11 and fixes the Breadth Maximum of end 13 less than lateral mass；The width of inclined-plane ribs 12 be 4.5mm～
5mm, preferably 4.5mm；It is 6mm～10mm, preferably 6mm that vertebral plate fixes the Breadth Maximum of end 11；Lateral mass fixes end 13
Big width is 6mm～10mm, preferably 6mm.It is to say, the fixing end 11 of the relative vertebral plate of inclined-plane ribs 12 and the fixing end of lateral mass
13 more narrow.
The present invention is based on above-mentioned design, and system has good elasticity so that it is adds pressure at screw and can preferably fit bone
Face, is actively applied forming force by vertebral plate itself after implantation, and system only serves stress effect, retains human body primitive organism mechanics, vertebra
Plate is little with system screw internal stress, and toner screw rate is little.
Again refering to Fig. 1 and Fig. 3, vertebral plate is fixed end 11 and is had semi-circular ends away from the side of inclined-plane ribs 12,
And vertebral plate fixes the width of end 11 and successively decreases toward the side near inclined-plane ribs 12 from semi-circular ends.
In the present embodiment, a supporter is extended obliquely near the fixing end of vertebral plate 11 positions in the bottom surface of inclined-plane ribs 12
5, and supporter 5 fixes end 11 with vertebral plate and inclined-plane ribs 12 forms a class tiger's jaw shape bayonet socket.
In the present embodiment, it is protruding that the bottom surface of inclined-plane ribs 12 extends one straight down near the fixing end of lateral mass 13 positions
Block 6, and protruding block 6 runs through the whole width of inclined-plane ribs 12.Protruding block 6 is that the bottom surface of inclined-plane ribs 12 extends
It is protruding that line intersects formed acute angle with vertical direction.
In the present embodiment, development mark 2 is two, and one of them is positioned on the fixing end 11 of vertebral plate, and is positioned at two directly
The side of exhausting hole 111 line of centres；Other in which is positioned on the fixing end 13 of lateral mass, and is positioned in two horizontally-arranged through holes 131
The side of heart line.
In the present embodiment, a length of 1.1mm～1.3mm, preferably 1.1mm of development mark 2.It is to say, development
The length of mark 2 fixes the thickness of end 11 more than vertebral plate, fixes the thickness of end 13 also greater than lateral mass.
In the present embodiment, fixed plate main body 1, short bone nail 3 and long nail 4 all use medical embedded stage polyetheretherketoneresin (PEEK)
Material is made.Owing to polyetheretherketonematerials materials has the biocompatibility of excellence, with human body without rejection, postoperative minimizing pair is made
With, long-term effect is good.
In the present embodiment, development mark 2 uses medical titanium to make.
The using method of the spinal lamina bridge system of the present invention is: appear spinal lamina through the way of escape, it is first determined vertebral plate
Cut side and hinge side, the preparation of first hinge side: only stay spongy bone and internal layer cortex, form bone groove；Laminectomy side prepares: will
The vertebral plate cut upwards, progressively lift to door-hinge side, formed " enabling " until canalis spinalis is extended to satisfaction, determine required main body
Specification, then selects the fixed plate main body 1 of suitable length；With class tiger's jaw shape bayonet socket in fixed plate main body 1, vertebral plate is imbedded class
In tiger's jaw shape bayonet socket, upwardly vertebral plate, more fixing for the lateral mass of fixed plate main body 1 end 13 is placed on lateral mass surface, protruding gear
Block 6 props up side block edge.Behind fixed plate main body 1 location, the in line through hole 111 in alignment fixed plate main body 1, horizontally-arranged through hole 131
Surface of bone punches, chooses short bone nail 3 and the long nail 4 of suitable length, be screwed in line through hole 111 and horizontally-arranged through hole 131 respectively,
Fixed plate main body 1 is fixed on vertebral plate and lateral mass, completes to fix.So far, then the implantation of this spinal lamina bridge system is completed.
From using method above it can be seen that the present invention based on vertebral plate fix end 11 bayonet socket and lateral mass fix end 13 convex
Play block 6 to design so that system art can also play instant support and expand canalis spinalis, recovery vertebral canal volume, the effect at protection rear,
Postoperative applying long-term auxiliary support force, Laminoplasty is postoperative closes the door again effectively to prevent enabling canalis spinalis from expanding, operation technique letter
Single practical, reliably, safely, effectively.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
Personnel are available by logical analysis, reasoning, or a limited experiment the most on the basis of existing technology
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a spinal lamina bridge system, including fixed plate main body, development mark, short bone nail and long nail, described fixing
Plate main body is fixed end be formed by connecting by the fixing end of vertebral plate, inclined-plane ribs and lateral mass, and generally one class Z-shaped, described vertebral plate
Being provided with two in line through holes on fixing end, described short bone nail coordinates with described in line through hole, and the fixing end of described lateral mass is upper to be arranged
Have two horizontally-arranged through holes, described long nail to coordinate with described horizontally-arranged through hole, it is characterised in that: the fixing end of described vertebral plate, described tiltedly
Face ribs and described lateral mass are fixed end and are had same thickness, for 0.8mm～1.0mm；The width of described inclined-plane ribs is less than
Described vertebral plate is fixed the Breadth Maximum of end and fixes the Breadth Maximum of end less than described lateral mass；The width of described inclined-plane ribs is
4.5mm～5mm；It is 6mm～10mm that described vertebral plate fixes the Breadth Maximum of end；It is 6mm that described lateral mass fixes the Breadth Maximum of end
～10mm.
Spinal lamina bridge system the most according to claim 1, it is characterised in that the fixing end of described vertebral plate props up away from inclined-plane
The side of stake rib has semi-circular ends, and described vertebral plate fixes the width of end from described semi-circular ends toward near inclined-plane support
Successively decrease in the side of rib.
Spinal lamina bridge system the most according to claim 1, it is characterised in that the bottom surface of described inclined-plane ribs is close
Described vertebral plate position fixed ends extend a supporter obliquely, and described supporter fixes end and described inclined-plane with described vertebral plate
Ribs forms a class tiger's jaw shape bayonet socket.
Spinal lamina bridge system the most according to claim 1, it is characterised in that the bottom surface of described inclined-plane ribs is close
Described lateral mass position fixed ends extend a protruding block straight down, and described protruding block runs through described inclined-plane ribs
Whole width.
Spinal lamina bridge system the most according to claim 1, it is characterised in that described development mark is two, its
In one be positioned on the fixing end of described vertebral plate, and be positioned at the side of two in line through hole lines of centres；Other in which is positioned at institute
State on the fixing end of lateral mass, and be positioned at the side of two horizontally-arranged through hole lines of centres.
Spinal lamina bridge system the most according to claim 5, it is characterised in that described development mark a length of
1.1mm～1.3mm.
Spinal lamina bridge system the most according to claim 1, it is characterised in that described fixed plate main body, described short bone
Nail and described long nail all use medical embedded stage polyetheretherketoneresin material to make.
Spinal lamina bridge system the most according to claim 6, it is characterised in that described development mark uses medical titanium
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327089.1A CN106037919A (en) | 2016-05-16 | 2016-05-16 | Spine vertebral plate bridging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327089.1A CN106037919A (en) | 2016-05-16 | 2016-05-16 | Spine vertebral plate bridging system |
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| Publication Number | Publication Date |
|---|---|
| CN106037919A true CN106037919A (en) | 2016-10-26 |
Family
ID=57177094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610327089.1A Pending CN106037919A (en) | 2016-05-16 | 2016-05-16 | Spine vertebral plate bridging system |
Country Status (1)
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| CN (1) | CN106037919A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113741A (en) * | 2018-01-22 | 2018-06-05 | 浙江嘉佑医疗器械有限公司 | A kind of titanium plate for laminoplasty |
| CN109288578A (en) * | 2018-11-16 | 2019-02-01 | 中国人民解放军第二军医大学第二附属医院 | A kind of general atlas dentata plant bone mass bridging board of cervical vertebra |
| 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 |
| CN110353793A (en) * | 2019-07-26 | 2019-10-22 | 北京市春立正达医疗器械股份有限公司 | Posterior cervical follows closely board fixer |
| CN112426217A (en) * | 2020-10-30 | 2021-03-02 | 北京大学第三医院（北京大学第三临床医学院） | Spinous process reconstruction opening door plate |
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| CN205903297U (en) * | 2016-05-16 | 2017-01-25 | 广州聚生生物科技有限公司 | Backbone vertebra slab bridge meets system |
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| US20120165942A1 (en) * | 2002-01-03 | 2012-06-28 | Rohit | Universal laminoplasty implant |
| CN101150995A (en) * | 2003-10-20 | 2008-03-26 | 黑石医药股份有限公司 | Bone plate and method for using bone plate |
| WO2005120367A2 (en) * | 2004-06-04 | 2005-12-22 | Depuy Spine, Inc. | Variable laminoplasty implant |
| CN2860376Y (en) * | 2005-12-29 | 2007-01-24 | 周许辉 | Internal fixator for single side entrance of cervical vertebrae plate |
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| WO2013033532A1 (en) * | 2011-09-01 | 2013-03-07 | Globus Medical, Inc. | Laminoplasty plates, systems, and devices, and methods relating to the same |
| CN202665673U (en) * | 2012-06-13 | 2013-01-16 | 常州华森医疗器械有限公司 | Laminoplasty steel plate |
| CN203001095U (en) * | 2012-12-14 | 2013-06-19 | 孙宇 | Cervical vertebra opening door fixing plate |
| CN203634272U (en) * | 2013-11-05 | 2014-06-11 | 赵斌 | Sliding-groove vertebral plate forming titanium plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113741A (en) * | 2018-01-22 | 2018-06-05 | 浙江嘉佑医疗器械有限公司 | A kind of titanium plate for laminoplasty |
| CN109288578A (en) * | 2018-11-16 | 2019-02-01 | 中国人民解放军第二军医大学第二附属医院 | A kind of general atlas dentata plant bone mass bridging board of cervical vertebra |
| CN110353793A (en) * | 2019-07-26 | 2019-10-22 | 北京市春立正达医疗器械股份有限公司 | Posterior cervical follows closely board fixer |
| 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 |
| CN112426217A (en) * | 2020-10-30 | 2021-03-02 | 北京大学第三医院（北京大学第三临床医学院） | Spinous process reconstruction opening door plate |
| CN112426217B (en) * | 2020-10-30 | 2022-03-04 | 北京大学第三医院（北京大学第三临床医学院） | Spinous process reconstruction opening door plate |
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