CN110522537A - A kind of fixed fusing device of backbone intervertebral - Google Patents
A kind of fixed fusing device of backbone intervertebral Download PDFInfo
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- CN110522537A CN110522537A CN201910839394.2A CN201910839394A CN110522537A CN 110522537 A CN110522537 A CN 110522537A CN 201910839394 A CN201910839394 A CN 201910839394A CN 110522537 A CN110522537 A CN 110522537A
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- hole
- lower support
- cone cell
- upper support
- screw thread
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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- Heart & Thoracic Surgery (AREA)
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Abstract
The present invention discloses a kind of fixed fusing device of backbone intervertebral, is related to intervertebral fusion consumptive material technical field.The fixed fusing device of the backbone intervertebral includes upper support, lower support and auxiliary device, upper support and lower support structure mirror image each other, upper support and lower support front end are connected to one structure, rear end abuts or exists the gap for being no more than 1mm, the front end face center of the upper support and lower support opens up the through-hole to extend internally, the through-hole leading portion is columnar through holes, back segment is cone cell through-hole, internal screw thread is opened up on cone cell through-hole, the auxiliary device is made of the handle and front end of rear end with the matched screw rod of internal screw thread, upper support and lower support rear end are strutted after tapped cone cell through-hole rotation on screw rod insertion through-hole.By Invasive lumbar fusion device and matched auxiliary device, front end can be strutted to stable support after Invasive lumbar fusion device implantation, be suitble to promote and apply.
Description
Technical field
The present invention relates to intervertebral fusion consumptive material technical fields, are specifically related to a kind of fixed fusing device of backbone intervertebral.
Background technique
Lumbar degenerative disease is the clinical most common spinal surgery disease, seriously affects minimal invasive treatment and work, once
Drug and physics conservative therapy are invalid, and operative treatment is often final choice.Modus operandi is sent out by simple lumbar discectomy
There are a series of fusion formulas to the current most common interbody fusion, and in being perfectly combined between pursuing centrum in exhibition；However from
Dissection and angle of physiology, Intervertebral fusion art can not only release the shakiness that lumbar vertebrae bends and stretches direction, can also release simultaneously in the wrong
The lateral unstable and rotation for stretching the generation of direction shakiness is unstable, and the disc tissue of pain will likely be caused to be cut off.
Since Invasive lumbar fusion device is applied to waist interbody fusion treatment discogenic pain and is succeeded, type is numerous
More, stylish lumbar intervertebral fusion device constantly comes out and is applied to clinic.In addition to surgical technic factor, outside Invasive lumbar fusion device
Shape design and material selection play key effect to late result.Fusion device material is all kinds of, but must satisfy following requirement:
The mechanical strength of material should be higher than the compression of interverbebral disc；Have good biocompatibility, biomechanical property and bone to pass
The property led；Material is shifted when conducting external force without obvious, and guarantees the i.e. stabilizability after implantation, promotes knitting.
Currently, surgical procedure approaches invasive manner further, Invasive lumbar fusion device for intervertenral space above and below more stable support,
If therefore carrying out front end to strut processing in Invasive lumbar fusion device implantation, the stability of intervertebral fusion can be effectively improved,
Current Invasive lumbar fusion device is all to be integrally formed, has no the Invasive lumbar fusion device after the implantation convenient for strutting front end.
In conclusion the prior art lack it is a kind of convenient for implantation rear distraction front end with stablize support up and down the intervertebral of intervertebral melt
Clutch.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the present invention provides a kind of fixed fusing device of backbone intervertebral, pass through
Front end can be strutted stable support after Invasive lumbar fusion device implantation by Invasive lumbar fusion device and matched auxiliary device, and suitable popularization is answered
With.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of fixed fusing device of backbone intervertebral, including upper support, lower support and auxiliary device, upper support is under
Supporting body structure mirror image each other, upper support and lower support front end are connected to one structure, and rear end abuts or exists not
The front end face center of gap more than 1mm, the upper support and lower support opens up the through-hole to extend internally, before the through-hole
Section is columnar through holes, and back segment is cone cell through-hole, internal screw thread is opened up on cone cell through-hole, the auxiliary device is by the handle of rear end with before
It holds and is formed with the matched screw rod of internal screw thread, screw rod is inserted into upper support on through-hole after tapped cone cell through-hole rotation under
Supporter rear end struts.
Further, the surface of the upper support and lower support opens up non-slip texture, can start on upper lower support
Horizontal and vertical perforative hole slot, for filling bone cement.
Further, the internal screw thread spacing of the cone cell through-hole is 1mm or 2mm, the inner wall and axle center angle of cone cell through-hole
It is 15 ° or 20 °；
The cone cell through-hole and axle center angle are α, and α gradually becomes smaller in screw rod insertion cone cell via process.
Further, the screw front end is not threaded smooth shaft, and length is identical as columnar through holes, and intermediate ends have
Matched screw thread is equipped with screw thread quantity identity between screw thread interval.
Further, the front end face through-hole two sides of the upper support and lower support are equipped with auxiliary hole slot, assist hole slot
For square or polygon hole slot, is matched and be connected by auxiliary clamp body；
The binding clip insertion auxiliary hole slot of the auxiliary clamp body front end, is auxiliarily fixed and lower screw rod is screwed in conical through-hole.
Another object of the present invention is to provide a kind of fixed fusing device the answering in spinal interbody fusion of backbone intervertebral
With.
Beneficial effects of the present invention: the fixed fusing device of backbone intervertebral of the present invention, including upper support, lower support, on
The front end face center of supporter and lower support opens up the through-hole to extend internally and is screwed in by the screw rod of auxiliary device, while by assisting
After caliper is fixed, strut upper support and lower support and realize strutting for leading portion so that upper lower support be more bonded,
Intervertebral is supported, the fixed fusing device of intervertebral of the invention struts upper lower support by cleverly designing, the stable placement of energy
Invasive lumbar fusion device, reasonable in design, suitable medical institutions promote the use of.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of the fixed fusing device of backbone intervertebral described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of upper support and lower support described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of auxiliary device described in the embodiment of the present invention；
Fig. 4 struts schematic diagram for upper support and lower support described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram that hole slot is assisted described in the embodiment of the present invention；
In attached drawing, parts list represented by the reference numerals are as follows:
1- upper support, 2- lower support, 3- through-hole, 301- columnar through holes, 302- cone cell through-hole, 4- auxiliary device,
401- screw rod, 402- handle, 403- screw thread quantity identity, 5- assist hole slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment
As shown in Figs. 1-5
A kind of fixed fusing device of backbone intervertebral, including upper support 1, lower support 2 and auxiliary device 4, upper support 1
With 2 structure of lower support mirror image each other, upper support 1 and 2 front end of lower support are connected to one structure, rear end abut or
In the presence of the gap for being no more than 1mm, the front end face center of the upper support 1 and lower support 2 opens up the through-hole 3 to extend internally,
3 leading portion of through-hole is columnar through holes 301, and back segment is cone cell through-hole 302, opens up internal screw thread, the auxiliary on cone cell through-hole 302
Device 4 is made of the handle 402 and front end of rear end with the matched screw rod 401 of internal screw thread, and screw rod 401 is inserted on through-hole 302 in band
The cone cell through-hole 302 of screw thread struts upper support 1 and 2 rear end of lower support after rotating.
The surface of the upper support 1 and lower support 2 opens up non-slip texture, can start on upper lower support lateral and vertical
To perforative hole slot, for filling bone cement.
The internal screw thread spacing of the cone cell through-hole 302 is 1mm or 2mm, and inner wall and the axle center angle of cone cell through-hole 302 are
15 ° or 20 °；
The cone cell through-hole 302 and axle center angle are α, and α gradually becomes smaller during screw rod 401 is inserted into cone cell through-hole 302.
401 front end of screw rod be not threaded smooth shaft, length is identical with columnar through holes 301, intermediate ends have
The screw thread matched is equipped with screw thread quantity identity 403 between screw thread interval.
3 two sides of front end face through-hole of the upper support 1 and lower support 2 are equipped with auxiliary hole slot 5, and auxiliary hole slot is 5 sides
Type or polygon hole slot are matched by auxiliary clamp body and are connected；
The binding clip insertion auxiliary hole slot 5 of the auxiliary clamp body front end is auxiliarily fixed lower by the screw-in conical through-hole of screw rod 401
302。
Application of the fixed fusing device of backbone intervertebral in spinal interbody fusion
In spinal interbody fusion implantation Invasive lumbar fusion device surgical procedure, using inter vertebral fusing device of the invention, that is, press
More solito operation carries out Preoperative Method；
During being implanted into Invasive lumbar fusion device, auxiliary device is inserted into the columnar through holes of the front end of the through-hole of lower support
Auxiliary implantation is carried out, after inter vertebral fusing device is put into appropriate location；
Screw rod of the through-hole to extend internally by auxiliary device is opened up by the front end face center of upper support and lower support
It screws in, while after being fixed by auxiliary clamp body, struts upper support and lower support realizes strutting for leading portion, so that entirely
Invasive lumbar fusion device can realize in inside strut that after the implantation more stable fusion intervertebral, suitable medical institutions push away after strutting
It is wide to use.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of fixed fusing device of backbone intervertebral, it is characterised in that: including upper support, lower support and auxiliary device, on
Supporter and lower support structure mirror image each other, upper support and lower support front end are connected to one structure, and rear end is supported
It connects or in the presence of the gap for being no more than 1mm, the front end face center of the upper support and lower support opens up the through-hole to extend internally,
The through-hole leading portion is columnar through holes, and back segment is cone cell through-hole, opens up internal screw thread on cone cell through-hole, the auxiliary device is by rear end
Handle and front end and the matched screw rod of internal screw thread form, screw rod is inserted on through-hole will be upper after tapped cone cell through-hole rotation
Supporter and lower support rear end strut.
2. the fixed fusing device of backbone intervertebral as described in claim 1, it is characterised in that: the upper support and lower support
Surface open up non-slip texture, horizontal and vertical perforative hole slot can be started on upper lower support, for filling bone cement.
3. the fixed fusing device of backbone intervertebral as described in claim 1, it is characterised in that: between the internal screw thread of the cone cell through-hole
Away from for 1mm or 2mm, the inner wall and axle center angle of cone cell through-hole are 15 ° or 20 °；
The cone cell through-hole and axle center angle are α, and α gradually becomes smaller in screw rod insertion cone cell via process.
4. the fixed fusing device of backbone intervertebral as described in claim 1, it is characterised in that: the screw front end is not threaded
Smooth shaft, length is identical as columnar through holes, and intermediate ends have matched screw thread, and screw thread quantity mark is equipped between screw thread interval
Know.
5. the fixed fusing device of backbone intervertebral as described in claim 1, it is characterised in that: the upper support and lower support
Front end face through-hole two sides be equipped with auxiliary hole slot, auxiliary hole slot be square or polygon hole slot, by auxiliary clamp body match be connected；
The binding clip insertion auxiliary hole slot of the auxiliary clamp body front end, is auxiliarily fixed and lower screw rod is screwed in conical through-hole.
6. application of the fixed fusing device of backbone intervertebral in spinal interbody fusion as described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839394.2A CN110522537A (en) | 2019-09-06 | 2019-09-06 | A kind of fixed fusing device of backbone intervertebral |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839394.2A CN110522537A (en) | 2019-09-06 | 2019-09-06 | A kind of fixed fusing device of backbone intervertebral |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110522537A true CN110522537A (en) | 2019-12-03 |
Family
ID=68667123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910839394.2A Pending CN110522537A (en) | 2019-09-06 | 2019-09-06 | A kind of fixed fusing device of backbone intervertebral |
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Citations (15)
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| CN1383790A (en) * | 2001-04-28 | 2002-12-11 | 李春泽 | Spondylodesis graft |
| CN202235781U (en) * | 2011-09-19 | 2012-05-30 | 苏州欣荣博尔特医疗器械有限公司 | Expanding interbody fusion cage |
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| US20160022438A1 (en) * | 2013-03-15 | 2016-01-28 | Lanx, Inc. | Expandable fusion cage system |
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| CN208552140U (en) * | 2018-01-31 | 2019-03-01 | 贾志强 | A kind of expansion type Invasive lumbar fusion device |
| CN208785000U (en) * | 2018-05-17 | 2019-04-26 | 唐朝阳 | Bone-cement type inter vertebral fusing device |
| CN208876912U (en) * | 2018-04-24 | 2019-05-21 | 黄振强 | A kind of Invasive lumbar fusion device |
| CN208958416U (en) * | 2017-08-31 | 2019-06-11 | 上海锐植医疗器械有限公司 | A kind of porous rectangle Invasive lumbar fusion device |
| US20190254841A1 (en) * | 2013-09-09 | 2019-08-22 | Integrity Implants Inc. | System for distracting and measuring an intervertebral space |
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| CN1383790A (en) * | 2001-04-28 | 2002-12-11 | 李春泽 | Spondylodesis graft |
| CN202235781U (en) * | 2011-09-19 | 2012-05-30 | 苏州欣荣博尔特医疗器械有限公司 | Expanding interbody fusion cage |
| CN203001182U (en) * | 2012-03-28 | 2013-06-19 | 北京爱康宜诚医疗器材股份有限公司 | Adjustable interbody fusion cage |
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| US20190254841A1 (en) * | 2013-09-09 | 2019-08-22 | Integrity Implants Inc. | System for distracting and measuring an intervertebral space |
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| CN204246274U (en) * | 2014-11-18 | 2015-04-08 | 孙钢 | For Wicresoft's adjustable intervertebral fusion device of centrum olisthe |
| CN204971722U (en) * | 2015-09-28 | 2016-01-20 | 浙江科惠医疗器械股份有限公司 | Expandable backbone fuses ware |
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