CN109758270A - Fusion device can be strutted - Google Patents
Fusion device can be strutted Download PDFInfo
- Publication number
- CN109758270A CN109758270A CN201910126326.1A CN201910126326A CN109758270A CN 109758270 A CN109758270 A CN 109758270A CN 201910126326 A CN201910126326 A CN 201910126326A CN 109758270 A CN109758270 A CN 109758270A
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- cover plate
- adjusting block
- lower cover
- upper cover
- fusion device
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- 230000004927 fusion Effects 0.000 title claims abstract description 46
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000007480 spreading Effects 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000007943 implant Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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Abstract
The invention belongs to the field of medical instrument technology, fusion device can be strutted more particularly to one kind, including upper cover plate, lower cover plate, drive spreading mechanism, driving spreading mechanism includes adjusting screw rod, left adjusting block, right adjusting block, left adjusting block and right adjusting block are threadedly attached in the left and right sides of adjusting screw rod respectively, upper cover plate is matched with left adjusting block by connecting rod respectively with the left side of lower cover plate, upper cover plate is matched with right adjusting block by connecting rod respectively with the right side of lower cover plate, left adjusting block and right adjusting block are along axial counter motion, upper cover plate and lower cover plate is driven mutually to draw close or separate.Fusion device of the present invention, process and assemble is convenient, has better interchangeablity, and increase bone grafting space, enhances Invasive lumbar fusion device Bony union effect.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of for strutting fusion device between vertebra.
Background technique
Backbone is mammalian vertebrates " column of life ", is especially shown one's talent in the evolution of the survival of the fittest in natural selection develops
The upright walking mankind.Life experiencings generation-development-decline-extinction in the case where the universal law of metabolism dominates,
In cycles with this;And the vertebra as " column of life ", it is also inevitable to be dominated by this rule.Therefore, between twenty and fifty life
After summit, decaying regression is the process that the backbone in each living individual is necessarily undergone.
Since the case that tumour, fracture, infection etc. many reasons all may cause centrum damage occurs.Treating these
When patient, currently used mode is one fusion body of implantation between the centrum of damage, and bone tissue is made to generate creeping substitution, from
And the centrum of damage is repaired, however traditional vertebral fusion body height is fixed, and the intervertebral height of human body varies with each individual, in hand
It is difficult to be adapted to the demand of patient by adjusting the height of fusion body in art, is easy to influence therapeutic effect.
The patent of invention of CN107174383A, which specifically discloses one kind, can strut type Invasive lumbar fusion device, by fusion contact mechanism
With driving spreading mechanism composition, fusion contact mechanism is made of upper device seat and lower device seat, and the driving placement mechanism is by adjusting
Screw rod, left adjusting block, right adjusting block composition, by the rotation left adjusting block of drive of adjusting screw rod and right adjusting block while inwardly
It is mobile, and then pull open the distance between device seat and lower device seat and realize strutting for fusion device, there is the support using Invasive lumbar fusion device
Opening force restores the height and tension of vertebra section, realizes and releases compressing, restores vertebra physiological camber, and Invasive lumbar fusion device Bony union is protected
The advantages that hindering spinal stabilization.But the structure of this kind of fusion device is not sufficiently stable, and bone implant object amount is little, Invasive lumbar fusion device bone
Syncretizing effect is undesirable.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide one kind to strut fusion device, add
Work is easy to assembly, has better interchangeablity, and increase bone grafting space, enhances Invasive lumbar fusion device Bony union effect
Fruit.
In order to solve the above technical problems, a kind of technical solution that the present invention takes is:
One kind can strut fusion device, including upper cover plate, lower cover plate, driving spreading mechanism, driving spreading mechanism include adjusting screw rod,
Left adjusting block, right adjusting block, left adjusting block and right adjusting block are threadedly attached in the left and right sides of adjusting screw rod, upper cover respectively
Plate is matched with left adjusting block by connecting rod respectively with the left side of lower cover plate, the right side of upper cover plate and lower cover plate respectively with right adjusting
Block is matched by connecting rod, and left adjusting block and right adjusting block drive upper cover plate and lower cover plate mutually to draw close along axial counter motion
Or it is separate.
Preferably, the left and right ends of the front and rear sides of the lower section of upper cover plate are respectively equipped with upper cover plate connecting rod pin hole, lower cover plate
The left and right ends of front and rear sides of top be respectively equipped with the lower cover plate connecting rod pin hole being staggered with upper cover plate connecting rod pin hole, it is left
The front and rear sides of adjusting block and right adjusting block are respectively equipped with pin, and the one end of connecting rod is equipped with upper and lower cover plates tie rod holes, the other end
Left and right adjusting block tie rod holes are arranged in portion, and pin is plugged in left and right adjusting block tie rod holes, and upper cover plate connecting rod pin hole and lower cover plate connect
Lever pin hole is connected with upper and lower cover plates tie rod holes by pin respectively, and the middle part of left adjusting block and right adjusting block is equipped with threaded hole,
The left side of adjusting screw rod is equipped with the external screw thread reversely rotated, and right side is equipped with the external screw thread rotated in the forward direction, a left side for adjusting screw rod
End is connected with left adjusting block, and right end is connected with right adjusting block, drives left adjusting block and right tune by the rotation of adjusting screw rod
Locking nub axially simultaneously counter motion drives upper cover plate and lower cover plate mutually to draw close or separate.Counter motion herein includes phase
To movement and backwards to moving, i.e., left adjusting block and right adjusting block is driven axially simultaneously to transport in opposite directions by the rotation of adjusting screw rod
It is dynamic, it drives upper cover plate and lower cover plate mutually to draw close, left adjusting block and right adjusting block edge simultaneously is driven by the rotation of adjusting screw rod
It is facing axially away from movement, upper cover plate and lower cover plate is driven to be located remotely from each other.
It is kept away it is further preferred that being equipped with first between two upper cover plate connecting rod pin holes of the front and rear sides of the every one end of upper cover plate
It allows slot, the second escape groove is equipped between two lower cover plate connecting rod pin holes of the front and rear sides of the every one end of lower cover plate, so that with contour
Degree can be implanted into more bone implants.
It is further preferred that an end face of adjusting screw rod be equipped with hexagonal driver slot, reverse rotation external screw thread with just
To limiting section, the shift position of limiting rod are arranged between the external screw thread of rotation, limiting section herein can be set to convex annular
Block, or other can be realized the structure of the effect.
Preferably, in order to which preferably fusion device is inserted into between vertebral plate, the one end of upper cover plate is set as inwardly curved downwards
The first bent arcuate structure, lower cover plate are equipped with the second arcuate structure with the first arcuate structure mirror symmetry.
Preferably, non-slip groove is respectively equipped on the upper surface of upper cover plate and the lower surface of lower cover plate.
Preferably, bone grafting window, preferably kidney-shaped are respectively equipped in the middle part of the middle part of upper cover plate and lower cover plate.
It is further preferred that being respectively equipped with the end shape phase with bone grafting window in the upper and lower ends portion of left and right adjusting block
Matched limited block moves left and right position for limit left and right adjusting block.
Preferably, the first reinforcement part is equipped on connecting rod at upper and lower cover plates tie rod holes, is set at left and right adjusting block tie rod holes
There is the second reinforcement part, increases the intensity of connecting rod.
Preferably, the second reinforcement part is equipped with third escape groove.
The present invention also provides a kind of application method of above-mentioned fusion device, comprising the following steps:
1, fusion device is in closed configuration;
2, prepared bone implant is implanted into from bone grafting window;
3, instrument is covered on hexagonal driver slot, fixes fusion device;
4, fusion device is inserted between vertebral plate;
5, instrument is rotated clockwise, is stopped rotating after strutting the height of needs;
6, removal equipment is implanted into remaining bone implant.
Due to the use of above technical scheme, the invention has the following advantages over the prior art:
1, the present invention is using connecting rod instead of the sliding block in tradition, so that process and assemble is more convenient, interchangeability of parts is more preferable, and
With bigger bone grafting space, Invasive lumbar fusion device Bony union effect is enhanced;
2, aduncate arcuate structure downwards is arranged in the same end of upper cover plate and lower cover plate in the present invention, holds that fusion device more
Easily, smooth to be inserted into between vertebral plate;
3, limited block is arranged in the present invention on left and right adjusting block, cooperates bone grafting window, for limiting a left side for left and right adjusting block
Move right position.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the structural schematic diagram of upper cover plate in Fig. 1, and wherein 2-1 is top perspective view, and 2-2 is face upwarding stereogram;
Fig. 3 is the structural schematic diagram of lower cover plate in Fig. 1, and wherein 3-1 is face upwarding stereogram;3-2 is top perspective view;
Fig. 4 is the structural schematic diagram of adjusting screw rod in Fig. 1, and wherein 4-1 is perspective view;4-2 is side view;
Fig. 5 is the structural schematic diagram of left adjusting block in Fig. 1;
Fig. 6 is the structural schematic diagram of right adjusting block in Fig. 1;
Fig. 7 is the structural schematic diagram of connecting rod in Fig. 1;
Fig. 8 is the closed configuration schematic diagram of embodiment 1;
Fig. 9 is the softened state schematic diagram of embodiment 1;
Wherein: 1, upper cover plate;11, lower connecting block;12, upper cover plate connecting rod pin hole;13, the first escape groove;14, the first arc knot
Structure;2, lower cover plate;21, upper link block;22, lower cover plate connecting rod pin hole;23, the second escape groove;24, the second arcuate structure;3, it adjusts
Save screw rod;31, external screw thread is reversely rotated;32, external screw thread is rotated in the forward direction;33, hexagonal driver slot;34, limiting section;4, left adjusting
Block;5, right adjusting block;6, connecting rod;61, upper and lower cover plates tie rod holes;62, left and right adjusting block tie rod holes;63, the first reinforcement part;64,
Second reinforcement part;65, third escape groove;7, pin;8, bone grafting window;9, non-slip groove;10, pin;45, limited block.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.In the description of the present invention, it is to be understood that
It is that the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear", "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Structure must have a particular orientation, it is thus impossible to be interpreted as limitation of the present invention.
Embodiment 1
As shown in attached drawing 1-9, the present embodiment one kind can strut fusion device, including upper cover plate 1, lower cover plate 2, driving spreading mechanism,
Driving spreading mechanism includes 5,8 adjusting screw rod 3, left adjusting block 4, right adjusting block connecting rods 6.
In the present embodiment, the left and right ends of the front and rear sides of the lower section of upper cover plate 1 are respectively equipped with the lower connecting block of protrusion
11, amount to 4, the center of 12,4 upper cover plate connecting rod pin holes 12 of upper cover plate connecting rod pin hole is offered on each lower connecting block 11
Line constitutes a rectangle.The left and right ends of the front and rear sides of the top of lower cover plate 2 are respectively equipped with the upper link block 21 of protrusion,
4 total, the center that 22,4 lower cover plate connecting rod pin holes 22 of lower cover plate connecting rod pin hole are offered on each upper link block 21 connects
Line constitutes a rectangle.Upper cover plate connecting rod pin hole 12 is staggered with lower cover plate connecting rod pin hole 22.In the present embodiment, upper cover
Plate connecting rod pin hole 12 is correspondingly arranged at the inside of lower cover plate connecting rod pin hole 22 in parallel.
The front and rear sides of left adjusting block 4 and right adjusting block 5 are respectively equipped with pin 10, and the one end of each connecting rod 6 is equipped with
Upper and lower cover plates tie rod holes 61, the other end are respectively provided with left and right adjusting block tie rod holes 62, and pin 10 is plugged in left and right adjusting block connecting rod
Can rotate in hole 62 and wherein, upper cover plate connecting rod pin hole 12 and lower cover plate connecting rod pin hole 22 respectively with upper and lower cover plates tie rod holes 61
It is rotated connection by pin 7.
The middle part of left adjusting block 4 and right adjusting block 5 is equipped with threaded hole, and the left side of adjusting screw rod 3 is equipped with reverse rotation
External screw thread 31, right side are equipped with the external screw thread 32 that rotates in the forward direction, and the left end of adjusting screw rod 3 is connected with left adjusting block 4, right end and
Right adjusting block 5 is connected, and drives left adjusting block 4 and right adjusting block 5 axially simultaneously reversed fortune by the rotation of adjusting screw rod 3
It is dynamic, drive upper cover plate 1 and lower cover plate 2 mutually to draw close or separate.Counter motion herein includes moving toward one another and moving backwards, i.e.,
It drives left adjusting block 4 and right adjusting block 5 axially simultaneously to move toward one another by the rotation of adjusting screw rod 3, drives upper cover plate 1 under
Cover board 2 is mutually drawn close, and drives left adjusting block 4 and right adjusting block 5 axially simultaneously to move backwards by the rotation of adjusting screw rod 3,
Upper cover plate 1 and lower cover plate 2 is driven to be located remotely from each other.
The present embodiment can strut fusion device have close up and strut two states.When fusion device is in closed configuration, institute
The one end for having connecting rod 6 to have left and right adjusting block tie rod holes 62 is mutually drawn close, and connecting rod 6 is leaned on to the direction of upper cover plate 1 and lower cover plate 2
Closely;When fusion device is in softened state, there is all connecting rods 6 one end of left and right adjusting block tie rod holes 62 to be located remotely from each other, even
The direction of bar 6 to upper cover plate 1 and lower cover plate 2 is separate.
In the present embodiment, the is equipped between two upper cover plate connecting rod pin holes 12 of the front and rear sides of the every one end of upper cover plate 1
One escape groove 13 is equipped with the second escape groove 23 between two lower cover plate connecting rod pin holes 22 of the front and rear sides of the every one end of lower cover plate 2,
Escape groove is set as arc-shaped or other shapes, and equal height is enabled to be implanted into more bone implants.
In the present embodiment, an end face of adjusting screw rod 3 is equipped with hexagonal driver slot 33, in the external screw thread 31 of reverse rotation
With limiting section 34, the shift position of limiting rod 6 are set between the external screw thread 32 that rotates in the forward direction, limiting section 34 herein is set as
Annular lug, or other can be realized the structure of the effect.
In the present embodiment, in order to which preferably fusion device is inserted into between vertebral plate, the one end of upper cover plate 1 is set as downward
Aduncate first arcuate structure 14, lower cover plate 2 are equipped with the second arcuate structure with 14 mirror symmetry of the first arcuate structure
24。
In the present embodiment, jagged non-slip groove is respectively equipped on the upper surface of upper cover plate 1 and the lower surface of lower cover plate 2
9。
In the present embodiment, the middle part of upper cover plate 1 and the middle part of lower cover plate 2 are respectively equipped with bone grafting window 8, are kidney-shaped.
In the present embodiment, the end with bone grafting window 8 is respectively equipped in the upper and lower ends portion of left adjusting block 4, right adjusting block 5
The limited block 45 that portion's shape matches, for limiting left adjusting block 4, right adjusting block 5 moves left and right position.
In the present embodiment, the first reinforcement part 63 is equipped on connecting rod 6 at upper and lower cover plates tie rod holes 61, in left and right adjusting block
It is equipped with the second reinforcement part 64 at tie rod holes 62, increases the intensity of connecting rod 6.First reinforcement part 63 is located on connecting rod 6 far from lower connection
The side of block 11, upper link block 21, the second reinforcement part 64 and the first reinforcement part 63 are located at the two sides of connecting rod 6.
In the present embodiment, be additionally provided with third escape groove 65 on the second reinforcement part 64, for avoid lower connecting block 11 and
Link block 21.
The application method of the above-mentioned fusion device of the present invention, comprising the following steps:
1, fusion device is in closed configuration;
2, prepared bone implant is implanted into from bone grafting window;
3, instrument is covered on hexagonal driver slot, fixes fusion device;
4, fusion device is inserted between vertebral plate;
5, instrument is rotated clockwise, is stopped rotating after strutting the height of needs;
6, removal equipment is implanted into remaining bone implant.
Instrument herein is the common bone grafting apparatus of this field, not reinflated herein to retouch not as inventive point of the invention
It states.
The present invention is described in detail above, the explanation of embodiment be merely used to help understand method of the invention and
Its core concept, its object is to allow the personage for being familiar with this field technology to can understand the content of the present invention and implement it accordingly, and
The protection scope that the present invention cannot be limited in this way.Any equivalent change or modification in accordance with the spirit of the invention should all be contained
Lid is within protection scope of the present invention.
Claims (10)
1. one kind can strut fusion device, it is characterised in that: including upper cover plate, lower cover plate, driving spreading mechanism, the driving is strutted
Mechanism includes adjusting screw rod, left adjusting block, right adjusting block, and the left adjusting block and right adjusting block are threadedly attached in institute respectively
State the left and right sides of adjusting screw rod, the left side of the upper cover plate and lower cover plate passes through connecting rod with the left adjusting block respectively and matches
It closes, the upper cover plate is matched with the right adjusting block by connecting rod respectively with the right side of lower cover plate, the left adjusting block and the right side
Adjusting block drives the upper cover plate and lower cover plate mutually to draw close or separate along axial counter motion.
2. according to claim 1 strut fusion device, it is characterised in that: the front and rear sides of the lower section of the upper cover plate
Left and right ends are respectively equipped with upper cover plate connecting rod pin hole, the left and right ends of the front and rear sides of the top of the lower cover plate be respectively equipped with
The lower cover plate connecting rod pin hole that upper cover plate connecting rod pin hole is staggered, the front and rear sides of the left adjusting block and right adjusting block are set respectively
There is pin, the one end of the connecting rod is equipped with upper and lower cover plates tie rod holes, and left and right adjusting block tie rod holes, the pin is arranged in the other end
Column is plugged in the left and right adjusting block tie rod holes, the upper cover plate connecting rod pin hole and lower cover plate connecting rod pin hole respectively with it is described on
Lower cover plate tie rod holes are connected by pin, and the middle part of the left adjusting block and right adjusting block is equipped with threaded hole, the adjusting spiral shell
The left side of bar is equipped with the external screw thread reversely rotated, and right side is equipped with the external screw thread rotated in the forward direction, the left end of the adjusting screw rod
It is connected with left adjusting block, right end is connected with right adjusting block, drives left adjusting block and right adjusting by the rotation of adjusting screw rod
Block axially simultaneously counter motion drives the upper cover plate and lower cover plate mutually to draw close or separate.
3. according to claim 2 strut fusion device, it is characterised in that: the front and rear sides of described every one end of upper cover plate
The first escape groove is equipped between two upper cover plate connecting rod pin holes, two lower cover plates of the front and rear sides of described every one end of lower cover plate connect
The second escape groove is equipped between lever pin hole.
4. according to claim 2 strut fusion device, it is characterised in that: an end face of the adjusting screw rod is equipped with six
Limiting section is arranged between the external screw thread and the external screw thread that rotates in the forward direction of reverse rotation in angle driver slot.
5. according to claim 1 strut fusion device, it is characterised in that: the one end of the upper cover plate is set as downward
Aduncate first arcuate structure, the lower cover plate are equipped with the second arcuate structure with the first arcuate structure mirror symmetry.
6. according to claim 1 strut fusion device, it is characterised in that: the upper surface of the upper cover plate and the lower cover
Non-slip groove is respectively equipped on the lower surface of plate.
7. according to claim 1 strut fusion device, it is characterised in that: in the middle part and lower cover plate of the upper cover plate
Portion is respectively equipped with bone grafting window.
8. according to claim 7 strut fusion device, it is characterised in that: the upper and lower ends portion of the left and right adjusting block
On be respectively equipped with the limited block to match with the end shape of bone grafting window.
9. according to claim 1 strut fusion device, it is characterised in that: on the connecting rod at upper and lower cover plates tie rod holes
Equipped with the first reinforcement part, the second reinforcement part is equipped at left and right adjusting block tie rod holes.
10. according to claim 1 strut fusion device, it is characterised in that: second reinforcement part is kept away equipped with third
Allow slot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910126326.1A CN109758270A (en) | 2019-02-20 | 2019-02-20 | Fusion device can be strutted |
Applications Claiming Priority (1)
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CN201910126326.1A CN109758270A (en) | 2019-02-20 | 2019-02-20 | Fusion device can be strutted |
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Publication Number | Publication Date |
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CN109758270A true CN109758270A (en) | 2019-05-17 |
Family
ID=66457109
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CN201910126326.1A Pending CN109758270A (en) | 2019-02-20 | 2019-02-20 | Fusion device can be strutted |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111227997A (en) * | 2019-11-29 | 2020-06-05 | 珠海维尔康生物科技有限公司 | Hollow distractable intervertebral fusion cage |
CN116712223A (en) * | 2023-08-09 | 2023-09-08 | 北京爱康宜诚医疗器材有限公司 | Intervertebral fusion device |
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KR20020084349A (en) * | 2001-04-30 | 2002-11-07 | 최길운 | Backbone fused implant |
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CN105025846A (en) * | 2013-02-28 | 2015-11-04 | 德普伊新特斯产品公司 | Expandable intervertebral implant, system, kit and method |
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CN107174383A (en) * | 2017-07-17 | 2017-09-19 | 博能华医疗器械(北京)有限公司 | One kind can strut type Invasive lumbar fusion device |
TWM558049U (en) * | 2017-01-06 | 2018-04-11 | 克菱生技有限公司 | Expandable spinal interbody cage |
US10022239B1 (en) * | 2017-08-16 | 2018-07-17 | Hammill Medical LLC | Spinal implant with opposing taper coaxial drive system |
CN210433570U (en) * | 2019-02-20 | 2020-05-01 | 江苏百易得医疗科技有限公司 | Distracting fusion device |
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2019
- 2019-02-20 CN CN201910126326.1A patent/CN109758270A/en active Pending
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KR20020084349A (en) * | 2001-04-30 | 2002-11-07 | 최길운 | Backbone fused implant |
WO2008044057A1 (en) * | 2006-10-13 | 2008-04-17 | Quadrant Medical Limited | Spinal implant |
CN105025846A (en) * | 2013-02-28 | 2015-11-04 | 德普伊新特斯产品公司 | Expandable intervertebral implant, system, kit and method |
US20160250034A1 (en) * | 2013-10-31 | 2016-09-01 | Nlt Spine Ltd. | Adjustable implant |
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CN107174383A (en) * | 2017-07-17 | 2017-09-19 | 博能华医疗器械(北京)有限公司 | One kind can strut type Invasive lumbar fusion device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111227997A (en) * | 2019-11-29 | 2020-06-05 | 珠海维尔康生物科技有限公司 | Hollow distractable intervertebral fusion cage |
CN116712223A (en) * | 2023-08-09 | 2023-09-08 | 北京爱康宜诚医疗器材有限公司 | Intervertebral fusion device |
CN116712223B (en) * | 2023-08-09 | 2023-11-24 | 北京爱康宜诚医疗器材有限公司 | Intervertebral fusion device |
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