CN206120508U - Interbody fusion cage with adjustable - Google Patents
Interbody fusion cage with adjustable Download PDFInfo
- Publication number
- CN206120508U CN206120508U CN201620673840.9U CN201620673840U CN206120508U CN 206120508 U CN206120508 U CN 206120508U CN 201620673840 U CN201620673840 U CN 201620673840U CN 206120508 U CN206120508 U CN 206120508U
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- Prior art keywords
- fixed structure
- rear portion
- bascule
- anterior
- fusion device
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- 230000004927 fusion Effects 0.000 title claims abstract description 58
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 27
- 238000002513 implantation Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 108010048734 sclerotin Proteins 0.000 claims description 9
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000003519 biomedical and dental material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000007943 implant Substances 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 208000015122 neurodegenerative disease Diseases 0.000 abstract 1
- 230000002980 postoperative effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 206010061246 Intervertebral disc degeneration Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000018180 degenerative disc disease Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 208000021600 intervertebral disc degenerative disease Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model relates to an interbody fusion cage with adjustable puts into thing technical field in category medical instrument's the human body. It includes anterior fixed knot structure, rear portion fixed knot structure, active structure and sets up the structure, and active structure arranges anterior fixed knot respectively in and constructs the middle part of constructing with rear portion fixed knot, and anterior fixed knot constructs to construct with rear portion fixed knot and connects the back through active structure, still can further set up an organic whole through the rigid coupling structure at the implantation in -process. The utility model discloses can realize fusing the ware and implant the intervertebral crack under less incision or route. Have and fuse characteristics such as ware and bone grafting matter and centrum surface contact area big, distributing of stress guangZhou, support nature are strong, can be used to cases such as cervical and lumbar vertebra degenerative diseases. The problem of the various interbody fusion cage of present use can not implant under less route, or fusing appears in the postoperative that the ware shifts, deviates from, the centrum is sinkd, bone grafting matter nonunion is rateed on the high sidely is solved.
Description
Technical field
This utility model is related to a kind of adjustable intervertebral fusion device, belongs to the human body Insertion technical field of medical apparatus and instruments.
Background technology
At present, spinal fusion techniques achieve preferable curative effect in terms for the treatment of neck lumbago and neck lumbar instability, are treatments
The unstable ordinary operation of degenerative disc disease, spondylolishesises, spinal segments.In recent years, Invasive lumbar fusion device implantation
Just extensively carry out, clinically obtain certain satisfaction rate, but corresponding complication can not be ignored, the such as shifting of fusion device
Position, deviate from, subside, or collapse of vertebra, bone grafting disunion, and cause implant procedure not convenient because fusion device is excessive or damage
Nerve etc.；Some doctors in order to improve bone grafting after obtain good syncretizing effect, fusion device implantation go to be implanted between vertebral body it is big
After amount sclerotin, but fusion device implantation, these sclerotin can not be all located at the middle part of vertebral body and obtain preferable implantation position
So as to improve fusion rate of bone graft, but there is quite a few sclerotin to be distributed to the edge of vertebral body or be extruded outside intervertebral space,
Lose its due support and fusion.In view of this, how to make Invasive lumbar fusion device implantation convenience, negative damage little, and
Larger bone grafting volume and larger Area of bearing can be obtained after implantation, moreover it is possible to make full use of institute's bone grafting matter, reduce bone grafting
Waste, and the displacement after fusion device implantation can be reduced, deviate from, subsided or the complication such as collapse of vertebra, just becoming both at home and abroad
The expectation of persons and the hot subject of research.Also scholar is shaped like the distribution of " ten " font when fusion device based on experimental analysiss
When, its stress distribution is more uniformly distributed, and the probability of prosthese abjection is less, and the risk for collapse of vertebra occur is lower, but integral type
The middle part of " ten " font fusion device is wide, and its implant procedure is difficult, also has not seen such product on the market at present.
The content of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, there is provided a kind of by fixed structure, activity knot
Structure and fastening structure are constituted, the sclerotin that can increase fusion device and be implanted into by adjusting its fastening structure in implantation process
With the contact area of vertebral body, fix and the adjustable intervertebral fusion device of bone grafting effect so as to improve it.
This utility model is by the following technical solutions realizing above-mentioned purpose：
The adjustable intervertebral fusion device includes fixed structure, bascule and fastening structure, it is characterised in that fixed structure
It is divided into anterior fixed structure and rear portion fixed structure, by bascule and admittedly between anterior fixed structure and rear portion fixed structure
Locking structure connects；Described anterior fixed structure and/or rear portion fixed structure are one or more, described fastening structure with it is solid
Fixed structure is affixed integral or by being assembled integrally.
Described fastening structure is wire, lath-shaped, column, buckle or thread set structure.
When fastening structure is thread set structure, one end of fixed structure is equipped with thread bush, the other end of fixed structure
Equipped with the threaded rod matched with thread bush, make anterior fixed structure and rear portion fixed structure close to each other by threading bar,
At the same time, the bascule between fixed structure is flared out, and sets on described anterior fixed structure and rear portion fixed structure
There are plate and slot, when anterior fixed structure and rear portion fixed structure are joined together by fastening structure, plate and slot
Interior dentalation is mutually twisted together, by the further fixed locking of anterior fixed structure and rear portion fixed structure.
Optionally, described fastening structure is joined together or by being assembled into one with fixed structure.
Described bascule is continuous platy structure, fenestral fabric, hinge arrangement or occlusion structure, and its activity is tied
Structure can deform in implantation process, and its platy structure is curved, waveform or straight, and the thickness of its platy structure is for unanimously or not
Unanimously.
Can be auxiliary by medical suture, tinsel, holdfast, screw between described anterior fixed structure and rear portion fixed structure
Help fixation.
When described fixed structure and/or bascule is non-metallic material, tinsel is laid or not laid in its material
Shape or network structure are reinforced, and metal coating is laid or do not laid on its surface.
Described anterior fixed structure and rear portion fixed structure is provided with jack, and the jack of rear portion fixed structure is through hole, front
The jack of portion's fixed structure is through hole or blind hole；Described anterior fixed structure is corresponding with the jack of rear portion fixed structure.
, equipped with ad hoc holder, holder is by holder baffle plate, inserted link and handle for described adjustable intervertebral fusion device
Handle composition is held, holder baffle plate and inserted link at right angles connect, and holding handle is hollow form, can be from the hollow structure for holding handle in art
Stretch into tightening tool to tighten the tail cap of the screw rod of fastening structure or thread bush；When holder is used, the inserted link of holder is from rear
The jack of portion's fixed structure is inserted into the jack of anterior fixed structure, and anterior fixed structure and rear portion fixed structure are held temporarily
In one plane.
At described anterior fixed structure, rear portion fixed structure and/or bascule and vertebral plate sclerotin attaching for plane or
Cambered surface；Surface is sprayable to be had the material of induction Bone Ingrowth or carries out the process such as voided, gridding, threaded, metallization.
This utility model beneficial effect compared with prior art is：
The adjustable intervertebral fusion device is made up of fixed structure with bascule, and its fixed structure can be joined by bascule
Integral, the shape of its bascule can be adjusted in implantation process.Before implantation, first with the inserted link of ad hoc holder
Be inserted into anterior fixed structure from the jack of rear portion fixed structure, at the same by institute's bone grafting matter be incorporated into inserted link and bascule it
Between, then fusion device is implanted into anterior fixed structure arrival correct position, holder is taken out, while tightening fixed structure, make
In front and back fixed structure fastens integral；At the same time, institute's bone grafting matter and bascule are moved to side, are received with expanding vertebral body middle part
Power area, while also allowing for being implanted in less otch or passage.After the adjustable intervertebral fusion device implantation intervertebral space, its
Middle part is laterally broadening, can effectively improve fusion device intervertebral footprints and bone grafting volume, institute's bone grafting matter can be concentrated on vertebra
The middle part in gap, can reduce bone grafting waste, moreover it is possible to allow fusion device close to " ten " font be distributed, intervertebral space stress distribution more
For uniform, fusion device and institute's bone grafting matter are bigger with the area that upper and lower conical surface is contacted, and the probability of prosthese abjection is less, occurs
The risk of collapse of vertebra is lower.
Description of the drawings
Fig. 1 is four parts and the front view after fastening for the standing part of adjustable intervertebral fusion device；
Fig. 2 is tetrameric front view for the standing part of adjustable intervertebral fusion device；
Fig. 3 is three parts and the front view after fastening for the standing part of adjustable intervertebral fusion device；
Fig. 4 is the front view that connected by hinge arrangement between the bascule of adjustable intervertebral fusion device and after fastening；
Fig. 5 for adjustable intervertebral fusion device bascule between by hinge arrangement connection front view；
Fig. 6 is the front view of the fastening structure for thread set structure of adjustable intervertebral fusion device；
Fig. 7 is the section front view of the fastening structure for thread set structure of adjustable intervertebral fusion device；
Fig. 8 is basic structure front view of the adjustable intervertebral fusion device built with bone grafting granule；
Fig. 9 is the state diagram after the fastening of adjustable intervertebral fusion device fastening structure；
Figure 10 is that adjustable intervertebral fusion device is implanted into the state diagram for finishing built with bone grafting granule and after fastening；
Figure 11 is the schematic diagram that plate and slot are provided with dentalation；
Figure 12 is the main structure diagram of holder；
Figure 13 is the overlooking the structure diagram of holder；
Figure 14 is front view of the adjustable intervertebral fusion device equipped with holder；
Figure 15 has the schematic diagram of jack for making on the rear portion fixed structure of adjustable intervertebral fusion device；
Figure 16 is the top of the front and rear portions fixed structure of adjustable intervertebral fusion device, bottom makes showing for bascule
It is intended to.
In figure：1st, anterior fixed structure, 2, rear portion fixed structure, 3, bascule, 4, fastening structure, 5, plate, 6, insert
Groove, 7, holder baffle plate, 8, inserted link, 9, jack, 10, hold handle.
Specific embodiment
The adjustable intervertebral fusion device includes fixed structure, bascule 3 and fastening structure 4, and fixed structure is divided into front portion
Fixed structure 1 and rear portion fixed structure 2, by bascule 3 and fastening between anterior fixed structure 1 and rear portion fixed structure 2
Structure 4 connects.Described fastening structure 4 is wire, lath-shaped, column, buckle or thread set structure.
When fastening structure 4 is thread set structure, one end of fixed structure is equipped with thread bush, the other end of fixed structure
Equipped with the threaded rod matched with thread bush, anterior fixed structure 1 and rear portion fixed structure 2 is set mutually to lean on by threading bar
Closely, and by the bascule between fixed structure it is flared out, so as in the middle part of diminution during the length of bascule, in increased
The width of portion's bascule, makes fixed structure be deformed into similar " ten " font from rectangle is similar to, and so then expands and melts
Clutch and the contact area of institute's bone grafting matter and vertebral body top and bottom, the stress that fusion device is made again is spreaded more evenly across, and improves it
Support and fixed effect.
Described anterior fixed structure 1 and rear portion fixed structure 2 is provided with plate 5 and slot 6, when by fastening structure 4
When anterior fixed structure 1 and rear portion fixed structure 2 are joined together, the dentalation in plate 5 and slot 6 is mutually twisted one
Rise, by the further fixed locking of anterior fixed structure 1 and rear portion fixed structure 2.
Described bascule 3 is continuous platy structure or hinge arrangement or occlusion structure, and its bascule 3 can plant
Deform during entering.
Optionally, described bascule 3 can be located at the both sides of fixed structure, may be alternatively located at fixed structure top and/
Or bottom, can also simultaneously exist with the bascule of both sides.
Can pass through medical suture, tinsel, holdfast, screw between described anterior fixed structure 1 and rear portion fixed structure 2
Fix Deng bio-medical material auxiliary.
The direction of described dentalation is consistent or inconsistent；Described different fixed structures be shaped as it is consistent or
It is inconsistent；The height of the same fixed plate, thickness are consistent or inconsistent；Height, the thickness of the same bascule 3
For consistent or inconsistent；The shape of the different bascules 3, height, thickness are consistent or inconsistent；The activity knot
The portable plate of structure 3 is lamina or doubling plate, multi-layer sheet, has connecting plate between two plates.The fixed structure and bascule
Highly it is consistent or inconsistent.
When described fixed structure and/or bascule 3 is non-metallic material, tinsel is laid or not laid in its material
Shape or network structure are reinforced.Described anterior fixed structure 1 and rear portion fixed structure 2 is provided with jack, and rear portion fixed structure 2 is inserted
Hole is through hole 9, and the jack of anterior fixed structure 1 is through hole 9 or blind hole；Described anterior fixed structure 1 and rear portion fixed structure 2
Jack it is corresponding.
, equipped with ad hoc holder, holder is by holder baffle plate 7, the and of inserted link 8 for described adjustable intervertebral fusion device
Hold handle 10 to constitute, holder baffle plate 7 and inserted link 8 at right angles connect, making on holder baffle plate 7 has holding handle 10；Hold handle
10 is hollow form, and when holder is used, the inserted link 8 of holder is inserted into anterior fixed structure 1 from the jack of rear portion fixed structure 2
Jack, anterior fixed structure 1 and rear portion fixed structure 2 are held in one plane, so then by anterior fixed knot temporarily
Structure 1 and rear portion fixed structure 2 hold in one plane temporarily, that is, be easily installed, and are easy to again the bone grafting of bascule 3 is interim
It is fixed, after anterior fixed structure 1 is placed to correct position, holder is can be taken off, while tightening fixed structure, make anterior fixation
Structure 1 and rear portion fixed structure 2 fasten integral.
It is plane at described anterior fixed structure 1, rear portion fixed structure 2 and/or bascule 3 and vertebral plate sclerotin attaching
Or cambered surface；Surface is sprayable to be had the material of induction Bone Ingrowth or carries out voided, gridding, threaded process.
When the adjustable intervertebral fusion device is implanted into the human body of degenerated neck lumbar disease patient, terminal plate of vertebral body bone is first repaired
Matter, anterior fixed structure 1 is inserted into after die trial the inserted link 8 of lasting device with ad hoc from the jack of rear portion fixed structure 2, while will
Institute's bone grafting matter is incorporated between inserted link 8 and bascule 3, then fusion device is implanted into anterior fixed structure 1 reaches correct position
Afterwards, holder 8 is taken out, while tightening fastening structure 4, fastens anterior fixed structure 1 and rear portion fixed structure 2 integral, i.e.,
Complete to install.
The adjustable intervertebral fusion device can realize that it is laterally flared in intervertebral space by bascule 3, so as to expand
Prosthese and institute's bone grafting matter contact with vertebral body sclerotin, Area of bearing, also allow be implanted into sclerotin to concentrate on the middle part of intervertebral space,
Bone grafting waste is reduced, fusion rate of bone graft is improve, collapse of vertebra is reduced, the probability that prosthese subsides.
Optionally, described bascule 3 can be located at the both sides of fixed structure, may be alternatively located at fixed structure top and/
Or bottom, can also simultaneously exist with the bascule of both sides.When bascule 3 is located at the top and/or bottom of fixed structure,
During fastening structure is fastened, the top of its fixed structure and/or the bascule of bottom can be opened up and/or down
Open, be adapted with the anatomical structure convex with vertebral body middle concave, periphery, and reduce further the wind of fusion device abjection after implantation
Danger.
The above is preferred embodiment of the present utility model, and the example above is illustrated not to reality of the present utility model
Matter content makees any pro forma restriction, and person of an ordinary skill in the technical field is after this specification has been read according to this reality
Above specific embodiment is made any simple modification with new technical spirit or deformation, and take off possibly also with above-mentioned
The technology contents for showing are changed or are modified to the Equivalent embodiments of equivalent variations, still fall within technical solutions of the utility model
In the range of, without departing from spirit and scope of the present utility model.
Claims (9)
1. a kind of adjustable intervertebral fusion device, including fixed structure, bascule（3）And fastening structure（4）, it is characterised in that
Fixed structure is divided into anterior fixed structure（1）With rear portion fixed structure（2）, anterior fixed structure（1）With rear portion fixed structure（2）
Between pass through bascule（3）And fastening structure（4）Connection, described anterior fixed structure（1）And/or rear portion fixed structure
（2）For one or more；Described fastening structure is affixed with fixed structure integral or by being assembled integrally.
2. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described fastening structure（4）For
Wire, lath-shaped, column, buckle or thread set structure.
3. a kind of adjustable intervertebral fusion device according to claim 1 and 2, it is characterised in that described fastening structure（4）
For thread set structure when, one end of fixed structure is equipped with thread bush, and the other end of fixed structure with thread bush equipped with matching
Threaded rod, anterior fixed structure is made by threading bar（1）With rear portion fixed structure（2）It is close to each other, and by fixed structure
Between bascule（3）It is flared out, described anterior fixed structure（1）With rear portion fixed structure（2）It is provided with plate（5）
And slot（6）, when by fastening structure（4）By anterior fixed structure（1）With rear portion fixed structure（2）When joining together, plate
（5）And slot（6）Interior dentalation is mutually twisted together, by anterior fixed structure（1）With rear portion fixed structure（2）Enter one
The fixed locking of step.
4. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described bascule（3）For
Continuous platy structure, fenestral fabric, hinge arrangement or occlusion structure, its bascule（3）Can deform in implantation process；
Its platy structure is curved, waveform or straight；Bascule（3）Positioned at the both sides of fixed structure, or positioned at fixed structure
Top and/or bottom, can also the bascule of bascule and both sides on top and/or bottom of fixed structure exist simultaneously.
5. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described anterior fixed structure
（1）With rear portion fixed structure（2）Between can be solid by the bio-medical material such as medical suture, tinsel, holdfast or screw auxiliary
It is fixed.
6. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described fixed structure and/or
Bascule（3）For non-metallic material when, wire-shaped is laid or not laid in its material or network structure is reinforced；Its surface cloth
If or not laying metal coating.
7. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described anterior fixed structure
（1）With rear portion fixed structure（2）It is provided with jack, rear portion fixed structure（2）Jack be through hole（9）, anterior fixed structure（1）'s
Jack is through hole（9）Or blind hole；Described anterior fixed structure（1）With rear portion fixed structure（2）Jack it is corresponding.
8. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described adjustable intervertebral fusion
Equipped with ad hoc holder, holder has holder baffle plate to device（7）, inserted link（8）With holding handle（10）Constitute, holder baffle plate
（7）And inserted link（8）At right angles connection, holds handle（10）For hollow form；When holder is used, the inserted link of holder（8）From rear portion
Fixed structure（2）Jack be inserted into anterior fixed structure（1）Jack, by anterior fixed structure（1）With rear portion fixed structure
（2）It is interim to hold in one plane.
9. a kind of adjustable intervertebral fusion device according to claim 1, it is characterised in that described anterior fixed structure
（1）, rear portion fixed structure（2）And/or bascule（3）Be plane or cambered surface at vertebral plate sclerotin attaching；Surface is sprayable to be had
The material of induction Bone Ingrowth carries out voided, gridding, threaded, metalized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620673840.9U CN206120508U (en) | 2016-06-30 | 2016-06-30 | Interbody fusion cage with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620673840.9U CN206120508U (en) | 2016-06-30 | 2016-06-30 | Interbody fusion cage with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206120508U true CN206120508U (en) | 2017-04-26 |
Family
ID=58560279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620673840.9U Active CN206120508U (en) | 2016-06-30 | 2016-06-30 | Interbody fusion cage with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206120508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001137A1 (en) * | 2016-06-30 | 2018-01-04 | 李照文 | Adjustable interspinous fusion device |
| CN111494064A (en) * | 2020-06-08 | 2020-08-07 | 卿培东 | Assembled cervical vertebra interbody fusion cage |
-
2016
- 2016-06-30 CN CN201620673840.9U patent/CN206120508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001137A1 (en) * | 2016-06-30 | 2018-01-04 | 李照文 | Adjustable interspinous fusion device |
| CN111494064A (en) * | 2020-06-08 | 2020-08-07 | 卿培东 | Assembled cervical vertebra interbody fusion cage |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170807 Address after: 430014, building, B, C and D District, Wuhan hi tech Avenue, East Lake Development Zone, Wuhan, Hubei Province, B3-3 Patentee after: Bai AODA Biotechnology (Wuhan) Limited by Share Ltd Address before: 28 No. 434300 Jingzhou city of Hubei province Gongan County Tawau Di Zhen Chan Ling Da Dao (education garden unit 18, No. 702) Patentee before: Li Zhaowen |