CN105310803B - A kind of embedded with minimal invasion shape memory Invasive lumbar fusion device - Google Patents
A kind of embedded with minimal invasion shape memory Invasive lumbar fusion device Download PDFInfo
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- CN105310803B CN105310803B CN201410358699.9A CN201410358699A CN105310803B CN 105310803 B CN105310803 B CN 105310803B CN 201410358699 A CN201410358699 A CN 201410358699A CN 105310803 B CN105310803 B CN 105310803B
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Abstract
The present invention relates to a kind of embedded with minimal invasion shape memory Invasive lumbar fusion devices for spinal surgery.This embedded with minimal invasion shape memory Invasive lumbar fusion device is frame-type hollow structure, is made of a plurality of uprights axis, ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin, several axis chow rings and an open window.Ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin both ends are interconnected by notch and plush copper structure and axis chow ring, the axis chow ring of different level covering on column axis in correspondence with each other.Wherein, memory deformation curb girder and memory deformation ridge purlin are made by the medical titanium with shape memory function-nickel memorial alloy.The present invention can enter intervertenral space by small channel at present, not only have the advantages that wound it is small, it is painful it is light, restore fast, few intercurrent disease, the contact area with soleplate above and below centrum can be increased after strutting, be more implanted into sclerotin, improve fusion rate.
Description
Technical field
The present invention relates to a kind of for medical domain, the embedded with minimal invasion shape memory Invasive lumbar fusion device of spinal surgery.
Background technique
Herniation of cervical disc caused by backbone retrogression, stenosis, cervical vertebral segment are unstable, thoracic disc is prominent
The diseases such as disease, the protrasion of the lumbar intervertebral disci, lumbar spinal stenosis, Lumbar segmental instability, lumbar spondyloiisthesis are clinically very common out.
Lumbar intervertebral fusion is curative for effect, has a century applicating history, is the main means and spinal surgery for treating such disease
One of modus operandi being most widely used.
Interbody fusion includes anterior intervertebral fusion art, way of escape interbody fusion, the fusion of transforaminal approach lumbar intervertebral
Art, lumbar vertebrae side approach interbody fusion etc..
Anterior intervertebral fusion art enters intervertenral space from front, can more effectively strut and restore disc height, while before
Square approach can more thoroughly remove the interverbebral disc of denaturation, and ALIF need not pull dural sac and nerve root, so as to avoid mind
Damage through root and dural sac.In addition, ALIF also protects the complete of the lumbar vertebraes rear structure such as vertebral plate, Minor articulus.Cervical operation
Preceding road is common, but the big blood vessel of lumbar surgery anterior lateral cervical approach easy damaged and plexus sympathtici, and retrograde ejaculation and urine is caused to hinder
The complication such as hinder
Way of escape interbody fusion is to complete intervertebral fusion through way of escape canalis spinalis, to obtain the stabilization of center pillar before lumbar vertebrae, through intervertebral
Hole approach lumbar intervertebral fusion is to enter interspace of lumbar vertebrae from unilateral transforaminal, completes discectomy, bone grafting, intervertebral and melts
A series of processes such as clutch implantation, before lumbar vertebrae bilateral can be also provided, center pillar support, and it is additional after outside bone grafting and strong interior
It is fixed, it is also possible to obtain the surrounding of lumbar vertebrae merges.Lumbar vertebrae side approach interbody fusion is to separate muscle by side to reach waist
Vertebra side carries out the operation of decompression fusion.
Various modus operandis are open surgery, and wound is larger, and complication is more；With the high-precision skill of medical operation device
The rapid development of art, digital imaging techniques and Computerized intelligent technology etc., the theory of minimally invasive surgery are constantly recognized by surgeon
Can and receive, have the advantages that wound it is small, it is painful it is light, restore fastly, few intercurrent disease etc. it is a variety of Minimally Invasive Surgery mode it is continuous by surgery
It explores.
As small notch combines special scope drag hook or video image dendoscope to assist downlink anterior intervertebral fusion art, side approach vertebra
Between fusion, way of escape scope assist downlink way of escape Spine interbody fusion, transforaminal lumbar interbody fusion.
External Grob etc. is using two pieces of oblique screws to the Forward of upper centrum is greater than 25% while disc height is less than 75%
Patient's row lumbar spinal fusion（Direct pediculo-body fixation）, this technology thinks non-by Birkenmaier etc.
Sliding patient is also the indication of this operation, while carrying out this operation under navigation, is named as：The oblique lumbar intervertebral that navigates merges
Art（Guided Oblique Lumbar Interbody Fusion, GO-LIF).
The above invasive surgery formula all have wound it is small, it is painful it is light, restore a variety of advantages such as fast, few intercurrent disease.
But traditional Invasive lumbar fusion device can not be applicable in because notch becomes smaller, need novel small-sized Invasive lumbar fusion device, but such as
Fruit Invasive lumbar fusion device volume is too small and will lead to and becomes smaller with the contact area of upper and lower soleplate, cannot achieve ideal intervertebral fusion,
Lead to operative failure.
With the improvement of Invasive lumbar fusion device, currently reported expansiveness Invasive lumbar fusion device（Such as：B-twin product,
Disc-O-tech Medical Technologies, Ltd.Israel）, it can use and be implanted into a percutaneous manner, it is swollen after implantation
It is swollen, achieve the purpose that intervertebral fusion.But it uses mechanical rotary compression mode, intermediate bone grafting area is small, only dissipates in bud shape
It opens.
Memorial alloy technology can achieve small implantation at present, in vivo distracted effect, publication before（It is open
Number CN1449725A, the patent No.：03113393.2）It describes a kind of micro- by the round as a ball distracted marmem of formula technology
Interbody fusion cage is created, which is utilized the function of memory metal shape memory, but after strutting, contact is whole up and down up and down out
Outside plate, the unobstructed fence of surrounding, sclerotin is easy to periphery leakage.But marmem is the one big excellent of minimally Invasive lumbar fusion device
Gesture material.
Summary of the invention
How to reach and be placed in Invasive lumbar fusion device under minimally invasive channel, strut it in vivo, while can be very good to be planted
Bone fusion.We devise this embedded with minimal invasion shape memory Invasive lumbar fusion device.
The present invention is achieved by the following technical solutions：
1, this embedded with minimal invasion shape memory Invasive lumbar fusion device is frame-type hollow structure, by a plurality of uprights axis, ridge purlin, side
Beam, memory deformation curb girder, memory deformation ridge purlin, several axis chow rings and an open window composition.
2, ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin both ends are equipped in notch or plush copper structure
360 degree of ranges of periphery of a kind of structure, axis chow ring also are provided with one of notch or plush copper structure structure, if ridge purlin,
Curb girder, memory deformation curb girder, memory deformation ridge purlin both ends set notch, then 360 degree of ranges of the periphery of axis chow ring set plush copper knot
Structure；If ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin both ends set plush copper structure, 360 degree of the periphery of axis chow ring
Range sets notch, i.e. ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin both ends pass through notch and plush copper knot
Structure and axis chow ring interconnect, and revolve ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin around the periphery of axis chow ring
Transfer is dynamic.
3, ridge purlin both ends are both connected on the axis chow ring that one connects with one end of curb girder.
4, one end of curb girder is connected on the axis chow ring that one connects with one end of ridge purlin, and the other end is connected to one and note
Recall on the axis chow ring that deformation curb girder is connect with memory deformation ridge purlin.
5, memory deformation curb girder is connected to one with the both ends of memory deformation ridge purlin and connects with one end with curb girder
On axis chow ring
6, the axis chow ring of different level covering on column axis in correspondence with each other, can rotate around column axis, constitute this hair
Bright solid space structure.
7, memory deformation curb girder and memory deformation ridge purlin are by the medical titanium with shape memory function-nickel memorial alloy
It being made, shape changes because temperature is different, thus straightened after reaching implantation human body in 37 degrees centigrades,
So that entirety is become larger, increase the contact area with soleplate above and below centrum, be more implanted into sclerotin, improves fusion rate.
8, the face of the ridge purlin composition of several different levels is equipped with open window, and artificial bone or autologous bone can pass through
The open window merging present invention is internal.
9, a part of ridge purlin in ridge purlin and curb girder of the invention and curb girder are made of the material of X-ray opaque line, can be with
Position judgement effect is provided for operation.
The beneficial effect that the present invention can achieve
This undeformed front volume of embedded with minimal invasion shape memory Invasive lumbar fusion device is small, can pass through channel small at present
Into intervertenral space, after entering in vivo, when temperature reaches 37 degrees centigrade, memory deformation curb girder and memory deformation ridge purlin become
Directly, entirety is made to become larger, to achieve the goal, the present invention combines diversified minimally invasive interbody fusion at present, can satisfy it
The requirement of passage aisle implantation.
Therefore, present invention combination minimal invasive techniques, not only have the advantages that wound it is small, it is painful it is light, restore fast, few intercurrent disease,
The contact area with soleplate above and below centrum can be increased after strutting, be more implanted into sclerotin, improve fusion rate.
Detailed description of the invention
Attached drawing：Fig. 1：Structural schematic diagram before the present invention is undeformed.
Fig. 2：The deformed structural schematic diagram of the present invention.
Fig. 3：The undeformed preceding top view of the present invention.
Fig. 4：Top view after present invention deformation.
Fig. 5：The schematic cross-section of notch of the present invention or plush copper structure
In figure：1. curb girder；2. axis chow ring；3. column axis；4. memory deformation curb girder；5. memory deformation ridge purlin；6. just
Beam；7. open window；8. plush copper structure；9. notch.
Specific embodiment
Embodiment 1：
Anterior spinal fusion art reaches in front of backbone under the conditions of minimally invasive or under open condition, confirms sick vertebra, again
Interverbebral disc abrades sclerotin, sufficiently depressurizes.Undeformed one of the invention of suitable size is taken, is placed in intervertenral space, at this point, memory
Deformation curb girder 4 and memory deformation ridge purlin 5 slowly straighten in vivo, become apperance in Fig. 2, confirm that position can be under C arm X-ray machine
Afterwards, pass through special mating funnel, implantable artificial bone or autologous bone.
Embodiment 2：
Pedicle combines Invasive lumbar fusion device implantation through the oblique screw internal fixation of interverbebral disc, under scope or open
Under the conditions of traditional operation, by rear operative approach or by intervertebral spinal fusion operative approach, removal of disc is abraded up and down eventually
Plate after decompression sufficiently, takes undeformed one of the invention of suitable size, is placed in intervertenral space, at this point, memory deformation 4 He of curb girder
Memory deformation ridge purlin 5 slowly straighten in vivo, become apperance in Fig. 2, under C arm X-ray machine confirm position can after, by special
Mating funnel, implantable artificial bone or autologous bone.
Embodiment 3
Four two stick internal fixations of nail of Via Posterior Spinal Approach decompression combine Invasive lumbar fusion device implantation, under scope or open traditional
Under surgical condition, by rear operative approach or by intervertebral spinal fusion operative approach, removal of disc abrades soleplate up and down,
After decompression sufficiently, undeformed one of the invention of suitable size is taken, is placed in intervertenral space, at this point, memory deformation curb girder 4 and memory
Deformation ridge purlin 5 slowly straighten in vivo, become apperance in Fig. 2, under C arm X-ray machine confirm position can after, matched by special
Cover funnel, implantable artificial bone or autologous bone.
Embodiment 4：Row backbone side approach interbody fusion passes through under scope or under the conditions of open traditional operation
Side waist muscle or spatium intermusculare approach, removal of disc abrade soleplate up and down and take suitable size not after decompression sufficiently
The deformation present invention one, is placed in intervertenral space, at this point, memory deformation curb girder 4 and memory deformation ridge purlin 5 slowly straighten in vivo,
Become apperance in Fig. 2, confirm under C arm X-ray machine position can after, by special mating funnel, implantable artificial bone or from
Body bone.
Claims (3)
1. a kind of embedded with minimal invasion shape memory Invasive lumbar fusion device, it is characterized in that：For frame-type hollow structure, by a plurality of uprights
Axis, ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin, several axis chow rings and an open window composition, ridge purlin, side
Beam, memory deformation curb girder, memory deformation ridge purlin both ends are equipped with notch, and 360 degree of ranges of periphery of axis chow ring are equipped with plush copper
Structure, ridge purlin, curb girder, memory deformation curb girder, memory deformation ridge purlin both ends are mutual by notch and plush copper structure and axis chow ring
Be connected, ridge purlin both ends are both connected on the axis chow ring that one connects with one end of curb girder, one end of curb girder be connected to one and
On the axis chow ring of one end connection of ridge purlin, the other end is connected to one and memory deforms the axis that curb girder is connect with memory deformation ridge purlin
On chow ring, memory deformation curb girder is connected to the axis chow ring connected with one end of curb girder with the both ends of memory deformation ridge purlin
On, the axis chow ring of different level covering on column axis in correspondence with each other can rotate around column axis, constitute solid space knot
The face of structure, the ridge purlin composition of several different levels is equipped with open window.
2. embedded with minimal invasion shape memory Invasive lumbar fusion device according to claim 1, it is characterized in that：Memory deformation curb girder and note
Recalling deformation ridge purlin is made by the medical titanium with shape memory function-nickel memorial alloy.
3. embedded with minimal invasion shape memory Invasive lumbar fusion device according to claim 1, it is characterized in that：One in ridge purlin and curb girder
Part ridge purlin and curb girder are made of the material of X-ray opaque line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358699.9A CN105310803B (en) | 2014-07-27 | 2014-07-27 | A kind of embedded with minimal invasion shape memory Invasive lumbar fusion device |
| CN201811176168.2A CN109157311B (en) | 2014-07-27 | 2014-07-27 | Minimally invasive implantation shape memory interbody fusion cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358699.9A CN105310803B (en) | 2014-07-27 | 2014-07-27 | A kind of embedded with minimal invasion shape memory Invasive lumbar fusion device |
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| CN201811176168.2A Division CN109157311B (en) | 2014-07-27 | 2014-07-27 | Minimally invasive implantation shape memory interbody fusion cage |
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| Publication Number | Publication Date |
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| CN105310803A CN105310803A (en) | 2016-02-10 |
| CN105310803B true CN105310803B (en) | 2018-11-23 |
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| CN201410358699.9A Active CN105310803B (en) | 2014-07-27 | 2014-07-27 | A kind of embedded with minimal invasion shape memory Invasive lumbar fusion device |
| CN201811176168.2A Active CN109157311B (en) | 2014-07-27 | 2014-07-27 | Minimally invasive implantation shape memory interbody fusion cage |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510906B (en) * | 2017-01-01 | 2019-01-25 | 常州华森医疗器械有限公司 | The support construction portion of POROUS TITANIUM Invasive lumbar fusion device |
| CN106667626B (en) * | 2017-01-01 | 2019-02-01 | 常州华森医疗器械有限公司 | POROUS TITANIUM Invasive lumbar fusion device and preparation method thereof |
| CN112674916B (en) * | 2020-12-17 | 2022-12-27 | 湖南华翔医疗科技有限公司 | Intervertebral fusion cage |
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| WO1998017207A1 (en) * | 1996-10-21 | 1998-04-30 | Synthes Ag Chur | Surgical prosthetic device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105310803A (en) | 2016-02-10 |
| CN109157311B (en) | 2020-09-15 |
| CN109157311A (en) | 2019-01-08 |
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Inventor after: Wu Aimin Inventor after: Chi Yonglong Inventor after: Chen Dong Inventor after: Lin Zhongke Inventor after: Ni Wenfei Inventor after: Wang Xiangyang Inventor after: Xu Huazi Inventor before: Wu Aimin Inventor before: Chi Yonglong Inventor before: Lin Zhongke Inventor before: Ni Wenfei Inventor before: Wang Xiangyang Inventor before: Xu Huazi |
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Effective date of registration: 20180206 Address after: 325000 No. 109 College West Road, Lucheng District, Zhejiang, Wenzhou Applicant after: The Second Affiliated Hospital of Wenzhou Medical University Applicant after: Wenzhou Medical University Affiliated Yuying children's Hospital Address before: 325000 Lucheng District college, Wenzhou City, Zhejiang Province, No. 109 Xili Applicant before: Wu Aimin Applicant before: Chi Yonglong Applicant before: Lin Zhongke |
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