CN106901820A - A kind of intervertebral dynamic fixer - Google Patents
A kind of intervertebral dynamic fixer Download PDFInfo
- Publication number
- CN106901820A CN106901820A CN201710294821.4A CN201710294821A CN106901820A CN 106901820 A CN106901820 A CN 106901820A CN 201710294821 A CN201710294821 A CN 201710294821A CN 106901820 A CN106901820 A CN 106901820A
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- Prior art keywords
- fixed plate
- shaped
- elastomer
- intervertebral
- dynamic fixer
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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
-
- 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
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
-
- 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
- A61B2017/7073—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant with intervertebral connecting element crossing an imaginary spinal median surface
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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)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of intervertebral dynamic fixer, dynamic Internal fixation technology field between category spinal vertebral.The intervertebral dynamic fixer, be formed in one structure；It is made up of elastomer and fixed plate；The top and bottom of elastomer are respectively arranged with fixed plate, and the outer surface of each fixed plate is evenly equipped with multiple anticreep teeth respectively, and the same side of each fixed plate has been respectively and fixedly connected with one or more and has extended fixed plate, to have extended and be provided with circular screwhole in fixed plate.The intervertebral dynamic fixer realizes spinal operation sections and stretches in the wrong in sagittal plain by elastomer, the lateral bending on left and right directions, and the rotation and multi-direction upper integrated motion on Coronal form the elasticity activity that ring turns.Its operation technique is simple, few to sclerotin excision, and the stability of postoperative backbone is high, and without the shock between part, abrasion after implantation, the physiological activity pattern with human spine is adapted.
Description
Technical field
The present invention relates to a kind of intervertebral dynamic fixer, belong to the human spine Internal fixation technology field of medicine equipment.
Background technology
At present, spinal fusion techniques achieve preferable curative effect in terms of neck lumbar degenerative disease is treated, and fusion rate reaches
More than 90%.But there are some researches show its clinical efficacy and not up to desired value；And Titanic micro-plates and spinal fusion are present
Adjacent segment degeneration, Unstable internal fixation, postoperative pseudarthrosis is accelerated to form the possibility of complication.In consideration of it, backbone is dynamically fixed just
As a kind of more popular technology for the treatment of degeneration cervical vertebra/lumbar disease in recent years, there are artificial total spinal disc replacement, people at present
Work replacement disc nucleus, pedicle dynamic, dynamic 5 kinds of modes such as fixed and Minor articulus building mortion between spinous process or between spine plate, its
Middle artificial disc replacement and the biomethanics fitness highest of human spine, thus quickly grow.
At present for, artificial disc replacement has made encouraging progress, but artificial disc replacement complication
Still it is more, such as fixator abrasion, displacement, loosen, mobility is good, prosthese ossified and cover plate fracture etc., wherein fixator
Abrasion is one of major reason of operative failure, the artificial intervertebral disk for using on the market at present mostly combining structure, mostly by gold
Category is combined with nonmetallic materials, and it produces abrasion reaction in use, inevitably, and the particle for producing that weares and teares can lead
The generation of the problems such as causing patient not accommodate fixator loose or dislocation, it is impossible to the need for meeting people's use.
In addition the activity of human spine includes stretching in the wrong in sagittal plain, the lateral bending on left and right directions, the rotation on Coronal
And multi-direction upper integrated motion forms ring and turns, but existing artificial intervertebral's fixator, it is difficult to and the universal work of human spine
Dynamic physiological activity patterns match, have can only unidirectional motion, some stress easily concentrates on somewhere causes fixator to be broken,
Between some fixed components clash into cause abrasion react, when some long-times are used its elastomer elastoresistance damping capacity compared with
Weak, what is had can not be while realize the rotation on the pivot and sagittal plain on the pivot and human spine Coronal of prosthese
Center is all pressed close to, thus there are problems that the matching with human spine physiological activity pattern, it is difficult to ensure it is very low and
Hair disease and good long-term effect.
The content of the invention
It is an object of the present invention to be directed to above-mentioned the deficiencies in the prior art, there is provided it is a kind of by fixed plate and elastomer into
Integrated formed structure；According to the demand of human physiological activity, mobility in all directions can give maximum
Match somebody with somebody, do not result in the relative displacement between structure or loose or dislocation problem；And reasonable in design, small volume, fixation, resist
Elastic extenuation ability is strong, after implantation can universal movement and the Coronal of prosthese and the pivot of sagittal plain all close to human spine
Coronal and sagittal plain pivot, be conducive to patient's post-operative recovery, implantation facility to be reacted without abrasion, reduce operation difficult
The intervertebral dynamic fixer of degree and risk.
The technical scheme is that：
A kind of intervertebral dynamic fixer, be formed in one structure；It is made up of elastomer and fixed plate, it is characterised in that：It is described
Elastomer be formed by connecting by the circle of one or more U-shapeds, arc or fractional open；The top and bottom of elastomer set respectively
Fixed plate is equipped with, the outer surface of each fixed plate is evenly equipped with multiple anticreep teeth respectively, and the same side of each fixed plate has been respectively and fixedly connected with one
Individual or multiple extension fixed plates, to extend and be provided with circular screwhole in fixed plate.
Described elastomer is combined by the horizontal U-shaped of fore-and-aft direction and the U-shaped of outward opening, horizontal U-shaped upper surface
Symmetry shape is provided with the openings of the U-shaped of outward opening, the opening direction of the U-shaped of outward opening and the horizontal U-shaped of fore-and-aft direction
To in cross-shaped setting.
Described elastomer is formed by connecting by the opposite or opposite U-shaped of one or more pairs of two opening directions.
The two ends termination of described U-shaped is provided with the circle of arc, U-shaped or the fractional open of indent.
Described elastomer is made up of or twist structure one or more pairs of springs.
The curved face in outer surface of described fixed plate or in plane.
Described anticreep tooth is the linear of linear or interruption, and the upper surface of anticreep tooth is obliquely set, each anticreep
The upper surface incline direction of tooth is consistent or different.
The inclined triangle in the section of described anticreep tooth, the section incline direction of each anticreep tooth is consistent or different, respectively
The height of anticreep tooth, size, it is shaped as identical or differs.
The axis of described circular screwhole is parallel with the surface of fixed plate or into angle of inclination.
The outer surface of the fixed plate has carried out voided treatment or has been coated with the material of induction Bone Ingrowth.
The advantage of the invention is that：
The intervertebral dynamic fixer, using the structure design of integration, during work, fixator is produced without wear particle, is solved
The particle inflammatory reaction that the easy loose or dislocation and abrasion that combined type fixator has are produced is easily caused the uncomfortable problem of patient.And
The intervertebral dynamic fixer, the elasticity for realizing intervertebral by elastomer is strutted, and spinal operation sections is realized by elastomer
Stretching in sagittal plain is in the wrong, the lateral bending on left and right directions, and the rotation and multi-direction upper integrated motion on Coronal form ring
The elastic stability for turning.With simple structure, stress dispersion, implantation is convenient, fixation is reliable, can universal elasticity activity it is excellent
Point, the need for meeting human spine physiological activity.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the linear overlooking the structure diagram of the anticreep tooth of Fig. 1；
Fig. 3 is the anticreep tooth of Fig. 1 in the overlooking the structure diagram for being interrupted linear；
Fig. 4 is the structural representation that elastomer is combined by two U-shapeds；
Fig. 5 is the structural representation that elastomer is made up of a U-shaped；
Fig. 6 is the structural representation for extending fixed plate in side；
Fig. 7 is that elastomer is provided with the structural representation that the U-shaped of outward opening is constituted by a horizontal U-shaped and its upper surface；
Fig. 8 is elastomer by a pair of structural representations of the horizontal U-shaped of fore-and-aft direction；
Fig. 9 is that the upper and lower surface of fixed plate in Fig. 8 is the structural representation of plane；
Figure 10 is the structural representation after the outside U-shaped extension arm of Fig. 8 split sheds；
Figure 11 is the structural representation of the axis of circular screwhole and the surface of upper and lower fixing plate into angle of inclination in Fig. 8；
Figure 12 is the right side structural representation of Fig. 8；
Figure 13 is elastomer by two pairs of horizontal U-shapeds of fore-and-aft direction and the right side structural representation of only a pair of extension fixed plate Fig. 8；
Figure 14 is that elastomer is the structural representation of spring；
Figure 15 is structural representation that elastomer is same opening direction；
Figure 16 is made up of and with the structural representation of upper bottom plate for elastomer a U-shaped；
Figure 17 is made up of and another structural representation with upper bottom plate for elastomer a U-shaped.
In figure：1st, elastomer, 2, extend fixed plate, 3, anticreep tooth, 4, circular screwhole, 5, fixed plate, 6, horizontal U-shaped, 7,
The U-shaped of outward opening, 8, spring, 9, screw.
Specific embodiment
The intervertebral dynamic fixer, be formed in one structure, is made by biomaterial for medical purpose such as titanium alloys；Set
The purpose of structure of shaping of setting as one is：So as to contact wear will not be produced between the fixator inside during work, solve
In the fabricated structure course of work, the particle for producing that weares and teares can produce inflammatory reaction and cause patient not accommodate fixed component
Between loose or dislocation problem.
The intervertebral dynamic fixer is made up of elastomer 1 and fixed plate 5, and the top and bottom of elastomer 1 are respectively arranged with
Fixed plate 5, the curved face in outer surface of fixed plate 5 or in plane.During the curved face in the surface of fixed plate 5, the radian of its arc
Radian with vertebra end face is corresponding.When the surface of fixed plate 5 is in plane, the vertebra end face after its plane is frustrated with mill is corresponding,
The purpose being arranged such is：So that the upper and lower surface of fixed plate 5 is brought into close contact with the upper and lower end face of vertebra, increase
Its lifting surface area.
The outer surface of each fixed plate 5 is evenly equipped with multiple anticreep teeth 3 respectively, the inclined triangle in the section of anticreep tooth 3, respectively
The section incline direction of anticreep tooth 3 is consistent or different, the height of each anticreep tooth 3, size, is shaped as identical or differs.Anticreep
Tooth 3 is the linear of linear or interruption, and the upper surface of anticreep tooth 3 is obliquely set, the upper surface inclination side of each anticreep tooth 3
To consistent or difference.It is by the purpose that the section of anticreep tooth 3 is arranged to inclined triangle：Prevent fixator between the vertebrae
Generation is moved left and right.The upper surface of anticreep tooth 3 is set into oblique purpose is：Prevent fixator from producing between the vertebrae
It is movable.Just the fixator is made to be fixedly mounted between the vertebrae after being arranged such, it is to avoid the generation of the problem that comes off.
The outer surface of fixed plate 5 has carried out voided treatment or has been coated with the material of induction Bone Ingrowth.By the table of fixed plate 5
The purpose that face is arranged such is：In order to Post operation, vertebra can be grown into the outer surface of fixed plate 5, make it with fixation
Plate 5 forms one.
The same side of each fixed plate 5 has been respectively and fixedly connected with one or more and has extended fixed plate 2, will extend fixed plate 2 and is arranged on
The purpose of the same side of fixed plate 5 is：The intervertebral dynamic fixer, is pressed between vertebra during in order to performing the operation, and prevents from extending
When fixed plate 2 is arranged on the both sides of fixed plate 5, the fixator is hindered to be pressed into the generation of problem.
Extend and be provided with circular screwhole 4 in fixed plate 2.The axis of circular screwhole 4 is parallel with the surface of fixed plate 5 or into inclining
Rake angle.After being arranged such, screw 9 can be connected by circular screwhole 4 in parallel direction or at an angle with vertebra.Especially
It is that the length that screw 9 can be screwed into vertebra is relatively long when screw 9 is screwed into vertebra at an angle, so as to a certain extent
The screwing force of screw 9 is increased, also allows for being operated in small otch.
The elastomer 1 of the intervertebral dynamic fixer is by the circular connection of one or more U-shapeds, arc or fractional open
Into.Quantity is generally 1-3（Referring to Figure of description 1,4,5,6）.
Used as improvement of the invention, elastomer 1 is combined by the horizontal U-shaped 6 of fore-and-aft direction and the U-shaped 7 of outward opening,
The upper surface symmetry shape of horizontal U-shaped 6 is provided with the U-shaped 7 of outward opening, opening direction and the fore-and-aft direction of the U-shaped 7 of outward opening
The opening direction of horizontal U-shaped 6 is in cross-shaped setting（Referring to Figure of description 7）.
When the U-shaped 7 of the outward opening to elastomer 1 is lengthened, the elastic activity performance of elastomer 1 is more preferably（Referring to explanation
Book accompanying drawing 10）.
As a further improvement on the present invention, described elastomer 1 is by one or more pairs of two opening directions are opposite or phase
To U-shaped be formed by connecting（Referring to Figure of description 8,9,12）.
The two ends termination of U-shaped is provided with the circle of arc, U-shaped or the fractional open of indent.Arc, the U-shaped of indent are set
Or the purpose of circular the 8 of fractional open is：When sharing the stress of elastomer 1, and elastomer 1 is set to have after deforming upon
There is more preferable screen resilience.
Improved as another step of the invention, elastomer 1 is made up of or twist structure one or more pairs of springs 8（Ginseng
See Figure of description 14）.
The intervertebral dynamic fixer, during the ill human body of implantation vertebra, with compressor reducer by elastomer 1 in the way of precompressed from
Side is embedded between vertebra.Compressor reducer is then taken out, its anticreep tooth 3 is inserted into vertebra using the elastic recoil of elastomer 1
End face on, or the intervertebral dynamic fixer is directly hammered into intervertebral, screw 9 is then screwed into vertebra by circular screwhole 4
In, you can fixator is fixed.
The intervertebral dynamic fixer realizes spinal operation sections and stretches in the wrong in sagittal plain by elastomer 1, right and left
Upward lateral bending, rotation and multi-direction upper integrated motion on Coronal form the elasticity activity that ring turns.Its operating time
Short, few to sclerotin excision, the stability of postoperative backbone is high, and physical recovery is fast, without the shock between part, abrasion after implantation, with
The physiological activity pattern of human spine is adapted.
Claims (10)
1. a kind of intervertebral dynamic fixer, be formed in one structure；It is by elastomer（1）And fixed plate（5）Constitute, its feature exists
In：Described elastomer（1）It is formed by connecting by the circle of one or more U-shapeds, arc or fractional open；Elastomer（1）It is upper
End and lower end are respectively arranged with fixed plate（5）, each fixed plate（5）Outer surface be evenly equipped with multiple anticreep teeth respectively（3）, each fixation
Plate（5）The same side be respectively and fixedly connected with one or more extend fixed plates（2）, extend fixed plate（2）On be provided with circular screwhole
（4）.
2. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described elastomer（1）By front and rear
The horizontal U-shaped in direction（6）With the U-shaped of outward opening（7）Combine, horizontal U-shaped（6）Upper surface symmetry shape be provided with opening to
Outer U-shaped（7）, the U-shaped of outward opening（7）Opening direction and fore-and-aft direction horizontal U-shaped（6）Opening direction in cross hand over
Forked setting.
3. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described elastomer（1）By a pair
Or the opposite or opposite U-shaped of multipair two opening directions is formed by connecting.
4. a kind of intervertebral dynamic fixer according to claim 3, it is characterised in that：The two ends termination of described U-shaped sets
It is equipped with the circle of arc, U-shaped or the fractional open of indent.
5. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described elastomer（1）By a pair
Or multipair spring（8）Composition or twist structure.
6. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described fixed plate（5）Appearance
The curved face in face or in plane.
7. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described anticreep tooth（3）It is straight line
The linear of shape or interruption, anticreep tooth（3）Upper surface obliquely set, each anticreep tooth（3）Upper surface incline direction one
Cause or different.
8. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described anticreep tooth（3）Section
Inclined triangle, each anticreep tooth（3）Section incline direction it is consistent or different, each anticreep tooth（3）Height, size, shape
Shape is identical or differs.
9. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：Described circular screwhole（4）Axle
Line and fixed plate（5）Surface it is parallel or into angle of inclination.
10. a kind of intervertebral dynamic fixer according to claim 1, it is characterised in that：The fixed plate（5）Outer surface
Carry out voided treatment or be coated with the material of induction Bone Ingrowth.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294821.4A CN106901820A (en) | 2017-04-28 | 2017-04-28 | A kind of intervertebral dynamic fixer |
| CN201710970393.2A CN107638236A (en) | 2017-04-28 | 2017-10-18 | A kind of intervertebral dynamic fixer |
| CN201721340094.2U CN208851720U (en) | 2017-04-28 | 2017-10-18 | A kind of intervertebral dynamic fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294821.4A CN106901820A (en) | 2017-04-28 | 2017-04-28 | A kind of intervertebral dynamic fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106901820A true CN106901820A (en) | 2017-06-30 |
Family
ID=59211282
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294821.4A Pending CN106901820A (en) | 2017-04-28 | 2017-04-28 | A kind of intervertebral dynamic fixer |
| CN201721340094.2U Expired - Fee Related CN208851720U (en) | 2017-04-28 | 2017-10-18 | A kind of intervertebral dynamic fixer |
| CN201710970393.2A Pending CN107638236A (en) | 2017-04-28 | 2017-10-18 | A kind of intervertebral dynamic fixer |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721340094.2U Expired - Fee Related CN208851720U (en) | 2017-04-28 | 2017-10-18 | A kind of intervertebral dynamic fixer |
| CN201710970393.2A Pending CN107638236A (en) | 2017-04-28 | 2017-10-18 | A kind of intervertebral dynamic fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106901820A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670508A (en) * | 2018-06-15 | 2018-10-19 | 李伟明 | A kind of integral type artificial intervertebral disk |
| CN115998491A (en) * | 2023-03-24 | 2023-04-25 | 北京爱康宜诚医疗器材有限公司 | Intervertebral fusion device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901820A (en) * | 2017-04-28 | 2017-06-30 | 李照文 | A kind of intervertebral dynamic fixer |
| CN108245289B (en) * | 2018-01-05 | 2021-07-20 | 广州中国科学院工业技术研究院 | Implantable intervertebral disc |
| CN111529144B (en) * | 2018-06-12 | 2022-11-15 | 深圳市立心科学有限公司 | Self-adaptive intervertebral fusion device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799928A (en) * | 2015-05-12 | 2015-07-29 | 李照文 | Spine board dynamic stabilizing system |
| CN106073875A (en) * | 2016-07-11 | 2016-11-09 | 李照文 | Universal flexible rod |
| CN106901820A (en) * | 2017-04-28 | 2017-06-30 | 李照文 | A kind of intervertebral dynamic fixer |
-
2017
- 2017-04-28 CN CN201710294821.4A patent/CN106901820A/en active Pending
- 2017-10-18 CN CN201721340094.2U patent/CN208851720U/en not_active Expired - Fee Related
- 2017-10-18 CN CN201710970393.2A patent/CN107638236A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670508A (en) * | 2018-06-15 | 2018-10-19 | 李伟明 | A kind of integral type artificial intervertebral disk |
| CN115998491A (en) * | 2023-03-24 | 2023-04-25 | 北京爱康宜诚医疗器材有限公司 | Intervertebral fusion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208851720U (en) | 2019-05-14 |
| CN107638236A (en) | 2018-01-30 |
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