CN104644291B - The intervertebral fusion fixing device of memory-type - Google Patents
The intervertebral fusion fixing device of memory-type Download PDFInfo
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- CN104644291B CN104644291B CN201310581513.1A CN201310581513A CN104644291B CN 104644291 B CN104644291 B CN 104644291B CN 201310581513 A CN201310581513 A CN 201310581513A CN 104644291 B CN104644291 B CN 104644291B
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- fixing device
- carrier unit
- intervertebral fusion
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Abstract
A kind of intervertebral fusion fixing device of memory-type, including：Support group, containing several carrier units, make two adjacent carrier units mutually be pivotally connected, make two adjacent carrier units, can freely swing in an angle；Formed spring, each carrier unit is connected, after each carrier unit of the support group is flexibly deployed, slid in a conduit, and when the conduit is skidded off, in the case where being acted on without external force, the script shape memory that involution is formed in the formed spring arranges each carrier unit that saves.The present invention allows the centrum of patient to obtain support that is bigger and more balancing, effectively avoids centrum from being damaged again, and lifts two interpyramidal syncretizing effects, makes two centrums after fusion more firm.
Description
Technical field
It is espespecially a kind of by formed spring the invention relates to a kind of intervertebral fusion fixing device of memory-type, make this
Each section carrier unit of intervertebral fusion fixing device, in the case where not acted on by external force, the arrangement shape of memory originally can be recovered automatically
Shape.
Background technology
The vertebra of human body is made up of more piece centrum, is separated between adjacent two centrum by interverbebral disc, by interverbebral disc branch
Each section centrum is supportted, the nerve and blood vessel for avoiding centrum compressing from diverging between vertebra；However, improperly motion, external force or because of aging
Etc. factor, often make two adjacent interpyramidal disc herniations, cause adjacent two centrum approaching, be urged to nerve or blood vessel, make
The patient feels the malaise symptoms such as are ached to acid.
The method for excluding this focus at present, most of to be performed the operation using intervertebral fusion, it is to remove impaired interverbebral disc
Afterwards, between two adjacent vertebrals of focus, the fixator such as filling block or retaining frame is implanted into, to support the spacing of two adjacent vertebrals, is excluded
The focus such as pressuring nerve or blood vessel.
The above-mentioned existing used fixed mount such as filling block or retaining frame, most of is to be integrally formed, due to existing fixator
To install, it is necessary to effectively simultaneously balanced support centrum, therefore upper in application, it is necessary to large area is supported between two centrums, and this
The fixator of large volume perform the operation carry out when must scratch the larger wound of patient, just foot for its implantation, cause patient wound compared with
Greatly, the shortcomings that postsurgical recovery is slow.
Edge this, have revealed that the fusion fixator of Bendable a kind of at present, by bent characteristic, can follow a bore compared with
Small conduit enters, and is implanted between two centrums, as U.S. patent application case is disclosed shown in No. US2011/0320000A1, by counting
Individual carrier unit (fusion device) composition being mutually pivotally connected, make to can oneself in the range of certain angle between each carrier unit
By swinging, by such structure, the fusion fixator is passed through conduit, be implanted between two centrums, reach and subtract
The purpose of minor cut or wound；But above-mentioned existing intervertebral confluence fixator, it is each to save support list when being implanted into along conduit between two centrums
Member can be in one arranged in a straight line, and therefore, the existing intervertebral confluence fixator only can slightly be implanted in a straight line and be placed between two centrums,
Can not the C-shaped or shape of a hoof be looped around on centrum, because the usual intervertebral confluence fixator is to be implanted in centrum center sea
Cotton bone region, and the sponge bone region is more loose bone tissue, when fusion fixator of vertebra is positioned in one in a straight line
Bian Shi, the situation of local pressure can be caused, be easily caused centrum and be damaged again, and show its shortcoming.
In view of this present inventor, is to give research and innovation, the intervertebral fusion for disclosing memory-type shown in the present invention is fixed
Device.
The content of the invention
Technical problem underlying to be solved by this invention is, overcomes drawbacks described above existing for prior art, and provides one
The intervertebral fusion fixing device of kind of memory-type, by formed spring, make each section carrier unit of the intervertebral fusion fixing device,
Do not acted on down by external force, can recover automatically originally memory spread geometry, allow patient centrum obtain it is bigger and more flat
The support of weighing apparatus, effectively avoids centrum from being damaged again, and lifts two interpyramidal syncretizing effects, makes two centrums after fusion more steady
Gu.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of intervertebral fusion fixing device of memory-type, including：Support group, containing several carrier units, make two adjacent branch
Frame unit is mutually pivotally connected, and makes two adjacent carrier units, can be freely swung in an angle；And formed spring, connection respectively should
Carrier unit, make each section carrier unit of the support group in the case where being acted on without external force, it is in the formed spring institute structure that can recover automatically
Into script memory shaped formation [such as C-shaped, the shape of a hoof or circle], between riding upon two centrums, make the centrum of affected part can be with
Obtain support that is larger and more balancing.
The intervertebral fusion fixing device of disclosed memory-type, wherein the support group can be by 2 or the branch of more than 2
Frame unit is formed, and respectively the carrier unit is respectively equipped with pivoted hole, to allow a trunnion to penetrate between two adjacent carrier units, is made
The two stands unit being mutually pivoted, it can freely swing according to penetrating in the trunnion of the two stands unit in certain angle.
The intervertebral fusion fixing device of disclosed memory-type, wherein the carrier unit saved positioned at support group head,
Provided with a convergence part, to be accordingly that a joining rod is connected；In addition, on the carrier unit of the support group minor details, it is equipped with
One rope hole, for placing a rope.
The intervertebral fusion fixing device of disclosed memory-type, wherein each section carrier unit of the support group is formed,
Its contact surface with centrum, containing several lobes, to engage the centrum；Each section carrier unit of the above-mentioned composition support group, or
Its contact surface with centrum can be made, forms the surface for having several micropores, the aperture of each micropore can make between 100 μm~500 μm
Patient is postoperative, and freshman bone tissue can be penetrated into each micropore, is closely combined with each section carrier unit with the support group, obtains
Good syncretizing effect.
The intervertebral fusion fixing device of disclosed memory-type, the wherein formed spring, can be coil spring or template bullet
Spring, can be metal material or other such as plastic materials or composite nonmetallic materials, and the present invention simultaneously not limits certainly.
The intervertebral fusion fixing device of disclosed memory-type, the wherein formed spring, an at least sets of holes are formed, with
Pivot for wearing two adjacent carrier units of pivot joint.The both ends of above-mentioned formed spring are in free end, are defined as the first spring end and
Two spring ends, the first spring end is made to be placed through the support group in the perforation of the carrier unit of first section, the second spring end is placed through
The support group is located in the perforation of the carrier unit of minor details.
The intervertebral fusion fixing device of disclosed memory-type, due to forming each carrier unit of support group, usually
Just limited by the formed spring, and in a stable spread geometry, during fusion is implanted into, the support group it is each
Section carrier unit can deploy with temporary elasticity, slightly arranged in a straight line in one, insert in a conduit and slided towards between two centrums, when skidding off
It is each to save carrier unit one by one because external force disappears after the conduit, acted on by formed spring, and recover " memory " originally arrangement shape
Shape, such as the C-shaped, shape of a hoof or circle etc., can be in a C-shaped, horseshoe because the fusion fixing device shown in the present invention is in usually
Shape or circle, the contour shape of the rough coincided with human body centrum end face of its shape, therefore the week of centrum can be rided upon on a large scale
Enclose [such as around sponge bone region], rather than point-blank rided upon in one on centrum, allow patient centrum obtain it is bigger and
The support more balanced, effectively avoids centrum from being damaged again, and lifts two interpyramidal syncretizing effects, makes two centrums after fusion more
It is firm, and shows the novelty and superiority of the present invention.
The invention has the advantages that by formed spring, make each section carrier unit of the intervertebral fusion fixing device,
Do not acted on down by external force, the spread geometry of memory originally can be recovered automatically.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the exploded view of the present invention.
Fig. 2 is stereogram of the present invention after combination.
Fig. 3 is the stereogram at another visual angle of the present invention.
Fig. 4 is the part section structural representations of 4-4 directions shown in Fig. 3.
Fig. 5 is another embodiment of the present invention stereogram.
Fig. 6 is the partial enlarged drawing of Fig. 5 signs " 16 ".
Fig. 7 is the conduit three-dimensional exploded view that the present invention is applied.
Fig. 8 is disclosed conduit schematic perspective view.
Fig. 9 is the catheter proximal end guide plate for showing the present invention, stretches into two interpyramidal schematic diagrames in horizontal direction.
After Figure 10 is the outer tube that the conduit is rotated from Fig. 9, the operation chart of two adjacent vertebral spacing is strutted.
Figure 11 is that intervertebral fusion fixing device shown in the present invention is implanted into two interpyramidal operation charts.
Figure 12 be from Figure 11 intervertebral fusion fixing device is fully implanted in two centrums between schematic diagram.
Figure 13 is that intervertebral fusion fixing device shown in the present invention is implanted into two interpyramidal views.
Label declaration in figure：
The support group of 100 intervertebral fusion fixing device 10
The pivoted hole of 10a, 10b, 10c, 10d carrier unit 11
The rope hole of 12 trunnion, 13 convergence part 14
Perforate on the surface 17 of 15 lobe, 16 several micropores
The 18 perforation sets of holes of 20 formed spring 21
The centrum of 22 first 23 second spring end of spring end 30
The outer tube 411 of 40 conduit 41 leads casket
The spiro rod section of 412 guide plate, 42 action bars 421
The shoulder of 422 handle portion, 43 joining rod 431
432 linking screw rod W width H height
S ropes
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the invention relates to a kind of intervertebral fusion fixing device of memory-type
100, including：Support group 10, containing several carrier unit 10a, 10b, 10c, 10d, make two adjacent carrier unit 10a and 10b,
10b is mutually pivotally connected with 10c, 10c and 10d, makes two adjacent carrier unit 10a and 10b, 10b and 10c or 10c and 10d, can be
Freely swing in one angle；And formed spring 20, respectively carrier unit 10a, 10b, 10c, 10d is connected, makes the support group 10
Each section carrier unit 10a, 10b, 10c, 10d in the case where being acted on without external force, can recover to be formed in the formed spring automatically
Originally the shaped formation [such as C-shaped, the shape of a hoof or circle] of memory, between riding upon two centrums, obtains the centrum of affected part
Support that is larger and more balancing.
The intervertebral fusion fixing device of disclosed memory-type, wherein respectively section carrier unit 10a, 10b, 10c, 10d
The metal material such as titanium freely or other such as carbon fibres, plastic cement, PEEK composites can be made, the present invention simultaneously not limits certainly.
The intervertebral fusion fixing device 100 of disclosed memory-type, wherein the support group 10 can by 2 or 2 with
On carrier unit 10a, 10b, 10c, 10d formed, respectively carrier unit 10a, 10b, 10c, 10d is respectively equipped with pivoted hole
11, to allow a trunnion 12 to penetrate between two adjacent carrier units [10a and 10b, 10b and 10c or 10c and 10d] respectively, make phase
The carrier unit [10a with 10b, 10b and 10c or 10c and 10d] being mutually pivoted, can be according to penetrating in the two adjacent carrier unit
The trunnion 12 of [10a and 10b, 10b and 10c or 10c and 10d], freely swings in certain angle.
As shown in Fig. 4, Fig. 5, Fig. 7 and Fig. 8, the intervertebral fusion fixing device 100 of disclosed memory-type, its middle position
In the carrier unit 10a of the first section of the support group 10, provided with a convergence part 13 (convergence part can be screw or button hole etc.), with corresponding
Ground is that a joining rod 43 is connected, and saves be connected joining rod 43 by first, as shown in Figure 11, Figure 12, Figure 13, operatively sends out this
The bright precalculated position [being usually sponge bone (spongy bone) region] being implanted into correct angle between the centrum 30 of human body two.
As shown in figure 3, the intervertebral fusion fixing device 100 of disclosed memory-type, in the minor details of support group 10
On carrier unit 10d, a rope hole 14 is equipped with, when necessary, is available for placing a rope, to draw the intervertebral fusion fixing device
100 are implanted into the precalculated position between the centrum 30 of human body two with correct angle.
As shown in Fig. 2, Fig. 4, Figure 13, the intervertebral fusion fixing device 100 of disclosed memory-type should wherein forming
Each section carrier unit 10a, 10b, 10c, 10d of support group 10, its contact surface with the centrum 30 of vertebra, contain several lobes
15, to engage the centrum 30 being in contact with it；Each section carrier unit 10a, 10b, 10c, 10d of the above-mentioned composition support group 10, also
Its contact surface with centrum 30 can be made, as shown in Figure 5, Figure 6, forms the surface 16 for having several micropores, the aperture of each micropore can be situated between
Between 100 μm~500 μm, make patient postoperative, freshman bone tissue can be penetrated into each micropore, with each section branch with the support group 10
Frame unit 10a, 10b, 10c, 10d are closely combined, and obtain good syncretizing effect.Each section of the above-mentioned several micropore surfaces 16 of tool
Carrier unit 10a, 10b, 10c, 10d can be integrally formed by means of 3D printing molding mode, or can fill up mode, Yu Gejie by means of 3D printing
Several micropores are formed on carrier unit 10a, 10b, 10c, 10d surface 16, the present invention does not limit its manufacture certainly.
The intervertebral fusion fixing device 100 of disclosed memory-type, the wherein formed spring 20, can be coil spring or plate
Type spring, can use metal material or other such as plastic materials or composite nonmetallic materials, and the present invention simultaneously refuses certainly
Limit.
As Figure 1 and Figure 4, the intervertebral fusion fixing device 100 of disclosed memory-type, the wherein formed spring,
An at least sets of holes 21 are formed, for wearing the pivot being articulated between two stands unit [10a and 10b, 10b and 10c or 10c and 10d]
Axle 12.Above-mentioned formed spring 20 makes its both ends, in free end, is defined as the first spring end 22 and the second spring end 23, makes first spring
End 22 is placed through the support group 10 in the carrier unit 10a of first section perforation 17, and the second spring end 23 is placed through the support
Group 10 is in the carrier unit 10d of minor details perforation 18.
As shown in Figure 1, Figure 2 and Figure 3, the intervertebral fusion fixing device 100 of disclosed memory-type, due to forming branch
Respectively carrier unit 10a, 10b, 10c, 10d of frame group 10, is usually just limited by the formed spring 20, and in a specific row
Row shape, during intervertebral fusion operation implantation, as shown in Fig. 4 imaginary line, each section carrier unit of the support group 10
10a, 10b, 10c, 10d can deploy slightly to be arranged in a linear with temporary elasticity, and then as shown in figure 11, insert in a conduit 40,
Centrum 30 towards vertebra slides, and after conduit 40 are skidded off, each carrier unit 10a, 10b, 10c or 10d of saving is one by one because external force disappears
Lose, by the effect of formed spring 20, and recover " memory " spread geometry [such as C-shaped, the shape of a hoof or circle] originally, such as Figure 12 institutes
Show；Due to the contour shape of the rough coincided with human body centrum 30 of shape of the present invention, therefore centrum can be rided upon on a large scale
Surrounding [such as around sponge bone region], rather than riding upon on centrum 30 in a straight line, obtain the centrum 30 of patient
Support that is bigger and more balancing, effectively avoiding centrum 30, this is impaired again, and lifts the syncretizing effect between two centrums 30, after making fusion
Two centrums 30 it is more firm, and show the present invention superiority and novelty.
The present invention is applied to the conduit 40 for guiding intervertebral fusion fixing device, as shown in Figure 7, Figure 8, including：One outer tube
41, the leading portion of the outer tube 41, which contains, leads casket 411, to allow the intervertebral fusion fixing device 100 separately to lead casket in this in interior sliding
411 front end, a guide plate 412 is projected, the guide plate 412 can be in bowing；One action bars 42, contains a spiro rod section
421, the spiro rod section 421 is screwed together in the back segment of the outer tube 41, and is radially provided with handle portion 422 in the action bars 42, with linkage
The action bars 42 rotates, and makes the action bars 42 can be along the axial displacement of outer tube 41；And a joining rod 43, its rear end axially penetrates through
The action bars 42, shoulder 431 is provided with the stage casing of the joining rod 43, is resisted against the front end of the action bars 42, for the action bars 42
Link displacement, is separately provided with a linking screw rod 432 in the front end of the joining rod 43, to screw togather the support group 10 positioned at first section support list
First 10a convergence part 13.When implant surgery is carried out, operator can be connected the intervertebral fusion by the joining rod 43 and fix dress
100 are put, the intervertebral fusion fixing device 100 is located at the leading in casket 411 of the outer tube 41, can be with when rotating the action bars 42
The intervertebral fusion fixing device 100 is elapsed in linkage leads casket 411 towards intervertebral displacement along the outer tube 41.
As shown in figure 8, above-mentioned conduit 40, wherein making the width W of the guide plate 412 be more than the intervertebral fusion fixing device
100 each section carrier unit 10a, 10b, 10c or 10d height H；When implant surgery is carried out, as shown in figure 9, making the guiding
Plate 412 as shown in Figure 10, the outer tube 41 can be rotated by 90 °, lead this in horizontal direction first, after stretching between two adjacent vertebrals 30
Corbel back slab 412 can slightly strut two adjacent vertebrals 30, allow disclosed intervertebral fusion fixing device 100 successfully
It is implanted between two adjacent vertebrals 30, after the completion of operation to be implanted, removes the conduit 40, adjacent two centrum 30 can be made to recover originally
Spacing, allow the intervertebral fusion fixing device 100 being sandwiched between two adjacent vertebrals 30 tightly, be not easy because external force produces
Displacement, and complete implant procedure.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, it is all
It is any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still falls within
In the range of technical solution of the present invention.
Claims (8)
- A kind of 1. intervertebral fusion fixing device of memory-type, it is characterised in that including：Support group, containing several carrier units, make two adjacent carrier units mutually be pivotally connected, make two adjacent carrier units, can be Freely swing in one angle；AndFormed spring, each carrier unit is connected, after each carrier unit of the support group is flexibly deployed, in a conduit Sliding, and when the conduit is skidded off, for each carrier unit that saves in the case where being acted on without external force, involution is in the script that the formed spring is formed Shape memory arranges；Each carrier unit of wherein described support group, is respectively equipped with pivoted hole, to allow trunnion to penetrate in two adjacent carrier units Between, make the two stands unit being mutually pivoted, can freely be put in certain angle according to penetrating in the trunnion of the two stands unit It is dynamic；The other formed spring, forms an at least sets of holes, for wearing the pivot being articulated between two stands unit.
- 2. the intervertebral fusion fixing device of memory-type according to claim 1, it is characterised in that positioned at the first section of the support group Carrier unit, provided with a convergence part.
- 3. the intervertebral fusion fixing device of memory-type according to claim 1, it is characterised in that positioned at the support group minor details Carrier unit, be equipped with a rope hole.
- 4. the intervertebral fusion fixing device of memory-type according to claim 1, it is characterised in that form each of the support group Carrier unit is saved, its contact surface with vertebra is made, contains several lobes.
- 5. the intervertebral fusion fixing device of memory-type according to claim 1, it is characterised in that form each of the support group Carrier unit is saved, makes its contact surface with centrum, forms the surface for having several micropores.
- 6. the intervertebral fusion fixing device of memory-type according to claim 5, it is characterised in that the aperture of each micropore, between Between 100 μm~500 μm.
- 7. the intervertebral fusion fixing device of memory-type according to claim 1, it is characterised in that the two of the formed spring End, in free end, is defined as the first spring end and the second spring end, makes the first spring end be placed through support of the support group positioned at first section In the perforation of unit, the second spring end is placed through in the perforation for the carrier unit that the support group is located at minor details.
- 8. the intervertebral fusion fixing device of memory-type according to claim 1, it is characterised in that the conduit includes：One outer tube, The leading portion of the outer tube, which contains, leads casket, to allow the intervertebral fusion fixing device, separately in the front end that this leads casket, to be projected in interior sliding One guide plate；One action bars, containing a spiro rod section, the spiro rod section is screwed together in the back segment of the outer tube, and in the action bars radially Provided with handle portion, with the action bars rotation that links, make the action bars can be along the outer tube axial displacement；And a joining rod, thereafter End axially penetrates through the action bars, is provided with shoulder in the stage casing of the joining rod, is resisted against the front end of the action bars, joins for the action bars Dynamic displacement, separately it is provided with a linking screw rod in the front end of the joining rod；In addition, the width of The guide plates is fixed more than the intervertebral fusion The height of each section carrier unit of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581513.1A CN104644291B (en) | 2013-11-18 | 2013-11-18 | The intervertebral fusion fixing device of memory-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581513.1A CN104644291B (en) | 2013-11-18 | 2013-11-18 | The intervertebral fusion fixing device of memory-type |
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| CN104644291A CN104644291A (en) | 2015-05-27 |
| CN104644291B true CN104644291B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310581513.1A Active CN104644291B (en) | 2013-11-18 | 2013-11-18 | The intervertebral fusion fixing device of memory-type |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106308983B (en) * | 2016-08-31 | 2018-09-14 | 广州爱锘德医疗器械有限公司 | Fusion device, operator and vertebral fusion device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645549A (en) * | 1995-04-24 | 1997-07-08 | Danek Medical, Inc. | Template for positioning interbody fusion devices |
| FR2897259B1 (en) * | 2006-02-15 | 2008-05-09 | Ldr Medical Soc Par Actions Si | INTERSOMATIC TRANSFORAMINAL CAGE WITH INTERBREBAL FUSION GRAFT AND CAGE IMPLANTATION INSTRUMENT |
| US8025697B2 (en) * | 2006-09-21 | 2011-09-27 | Custom Spine, Inc. | Articulating interbody spacer, vertebral body replacement |
| FR2917287B1 (en) * | 2007-06-15 | 2010-09-03 | Ldr Medical | INTERVERTEBRAL PROSTHESIS |
| EP2182867B1 (en) * | 2007-08-09 | 2011-10-12 | Nonlinear Technologies Ltd. | Device for spinous process distraction |
| KR20120138762A (en) * | 2010-02-16 | 2012-12-26 | 엔엘티 스파인 리미티드. | Medical device lock mechanism |
| JP5807928B2 (en) * | 2010-07-15 | 2015-11-10 | エヌエルティー スパイン エルティーディー． | Surgical system and method for implanting expandable implants |
| JP5744199B2 (en) * | 2010-07-21 | 2015-07-08 | エヌエルティー スパイン エルティーディー． | Spine surgery implant and delivery system |
| US9155580B2 (en) * | 2011-08-25 | 2015-10-13 | Medos International Sarl | Multi-threaded cannulated bone anchors |
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2013
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