CN105326586B - Splice type lumbar vertebra posterior fusion device - Google Patents
Splice type lumbar vertebra posterior fusion device Download PDFInfo
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- CN105326586B CN105326586B CN201510891582.1A CN201510891582A CN105326586B CN 105326586 B CN105326586 B CN 105326586B CN 201510891582 A CN201510891582 A CN 201510891582A CN 105326586 B CN105326586 B CN 105326586B
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- fusion
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Abstract
The present invention relates to a kind of splice type lumbar vertebra posterior fusion devices, belong to medical instruments field, suitable for lumbar vertebral posterior orthomorphia.The splice type lumbar vertebra posterior fusion device includes original fusion body（1）, connection with fusion body（2）, terminate fusion body（3）And pilot pin（4）；Splice type lumbar vertebra posterior fusion device can select connection to merge body according to patient's centrum size（2）Quantity, and then the size for adjusting splice type lumbar vertebra posterior fusion device adapts to the demand of patient.
Description
Technical field
The present invention relates to a kind of splice type lumbar vertebra posterior fusion devices, belong to medical instruments field, are rectified suitable for lumbar vertebral posterior
In shape operation.
Background technology
Degenerative lumbar disease includes disc herniation, spinal canal stenosis, Segmental defect and Degenerative spondylolisthesis and degeneration
Side is convex etc., is the common disease in mid-aged population.Occur mostly in L4/L5/S1.While fixed in decompression not to intervertebral
Steady person needs shape lumbar spinal fusion to have become common recognition, and the purpose of fusion is to prevent unstability regression from further sending out between lumbar vertebra
Exhibition, and stability reconstruction is carried out by operation method, promote the process of intervertebral fusion.Vertebra is compatible with and can be through the way of escape, preceding road or vertebra
Between aperture complete, the way of escape has many good qualities by way of for other two kinds of approach, including can reach total spinal disc excision, energy
Restore disc height, intervertebral foramen can be expanded, nerve root canal can be made to be depressurized, fusion rate is high.Due to being deposited between individual patients
In difference, the fusion device size dimension needed is also different, and traditional fusion device is integral type, though have it is of different sizes,
But some still cannot meet the needs of patient.
Invention content
The purpose of the present invention is：In view of the problems of the existing technology, a kind of splice type lumbar vertebra posterior fusion device is provided,
It preferably realizes the orthopedic treatment of lumbar vertebral posterior, reduces the pain that operation is brought to patient.
To achieve the goals above, the present invention provides a kind of splice type lumbar vertebra posterior fusion devices, including original fusion device
Body, terminates fusion body and pilot pin at connection fusion body.The original fusion body is provided with head rod, and first
The main body end face of connecting rod first end face and the original fusion body is in same plane, and head rod second end face is stretched out
Original fusion body main part, is symmetrical arranged strip slot in the connecting rod of first end face side, and strip slot terminates at second
The first triangular shape protrusion is arranged at convex character shape in endface, second end face on the outside of the head rod；The connection fusion
Body is arranged the first groove, and the first groove and the head rod of the original fusion body at convex character shape at matching, and first
The first rectangular notch is arranged in groove one end, and the first triangular shape groove, first rectangle is arranged inside first rectangular notch
The head rod and the first triangular shape protrusions match of notch and the first triangular shape groove and the original fusion body, the company
Connect has setting identical with the head rod of the original fusion body and the first triangular shape protrusion with fusion body；The end
Only fusion body has that the first groove of body, the first rectangular notch, the first triangular shape groove is identical sets with merging with the connection
It sets, second groove terminated on fusion body, the second rectangular notch, the second triangular shape groove are used with connection and merge body
Second connecting rod and the second triangular shape protrusion match.
Preferably, the splice type lumbar vertebra posterior fusion device can select connection to merge body according to patient's centrum size
Quantity, and then the size of splice type lumbar vertebra posterior fusion device is adjusted to adapt to the demand of patient.
Preferably, the first arcwall face is set on the left of the original fusion body, symmetrical first cambered surface is arranged in front and rear sides,
And first the first prismatic protrusion is arranged in cambered surface, the first bone grafting hole, the original fusion body is arranged in the original fusion body
The first threaded hole, the first spiral shell is arranged in the second internal arcwall face and the first arcwall face concentric, the original fusion body
Pit is connected with the first bone grafting hole, and first positioning hole is arranged in the original fusion body.
Preferably, two sides is set as the second cambered surface before and after connection fusion body, and the second rib is arranged in the second cambered surface
The second threaded hole is arranged with fusion body in shape protrusion, the connection.
Preferably, oval poroid bone grafting hole is set among connection fusion body, the connection is set with fusion body
Set second location hole.
Preferably, third arcwall face being set on the right side of the termination fusion body, symmetrical third cambered surface is arranged in front and rear sides,
And third prismatic protrusion is set in third cambered surface, the second bone grafting hole is arranged in the termination fusion body, and body is merged in the termination
Third threaded hole, third spiral shell is arranged in the 4th internal arcwall face and the third arcwall face concentric, the termination fusion body
Pit is connected with the second bone grafting hole, and third location hole is arranged in the termination fusion body.
Preferably, the first prismatic protrusion, the second prismatic protrusion, the position of third prismatic protrusion three setting, size
It is consistent with direction.
Preferably, the pilot pin is convenient for development positioning when splice type lumbar vertebra posterior fusion device implants.
Description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is the front view of the present invention
Fig. 3 is the left view of the present invention
Fig. 4 is the structure chart of the original fusion body of the present invention.
Fig. 5 is the structure chart of the connection fusion device of the present invention.
Fig. 6 is the structure chart of the connection fusion device of the present invention.
Fig. 7 is the structure chart of the termination fusion device of the present invention.
Fig. 8 is the structure chart of the termination fusion device of the present invention.
In figure,
Original fusion body 1, terminates fusion body 3, pilot pin 4, head rod 5, first at connection fusion body 2
End face 6, main body 7, second end face 8, the first triangular shape protrusion 9, the first groove 10, the first rectangular notch 11, the first triangular shape are recessed
Slot 12, the second groove 13, the second rectangular notch 14, the second triangular shape groove 15, the second connecting rod 16, the second triangular shape protrusion
17, the first arcwall face 18, the first cambered surface 19, the first prismatic protrusion 20, the first bone grafting hole 21, the second arcwall face 22, the first screw thread
Hole 23, first positioning hole 24, the second cambered surface 25, the second prismatic protrusion 26, the second threaded hole 27, oval poroid bone grafting hole 28,
Two location holes 29, third arcwall face 30, third cambered surface 31, third prismatic protrusion 32, the second bone grafting hole 33, the 4th arcwall face 34,
Third threaded hole 35, third location hole 36.
Specific implementation mode
In order to further illustrate the present invention, with reference to embodiment to splice type lumbar vertebra posterior fusion device provided by the invention
It is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Shown in Fig. 8, according to a kind of splice type lumbar vertebra posterior fusion device of preferred embodiment of the present invention, packet
It includes original fusion body 1, connection fusion body 2, terminate fusion body 3 and pilot pin 4.The original fusion body 1 is arranged
There are head rod 5,5 first end face 6 of head rod and 7 end face of main body of the original fusion body 1 to be in same plane,
5 second end face 8 of head rod stretches out 7 part of original fusion body main body, is symmetrically set in the connecting rod of 6 side of first end face
Strip slot is set, strip slot terminates at second end face 8, and second end face 8 is at convex character shape, in 5 outside setting of the head rod
First triangular shape protrusion 9；The first groove 10, the first groove 10 and the original fusion device is arranged in connection fusion body 2
For the head rod 5 of body 1 at being matched at convex character shape, the first rectangular notch 11, first square is arranged in 10 one end of the first groove
The inside of v notch v 11 is arranged the first triangular shape groove 12, first rectangular notch, 11 and first triangular shape groove 12 with it is described just
Begin fusion body 1 head rod 5 and the cooperation of the first triangular shape protrusion 9, the connection merge body 2 have with it is described initially
Merge the 9 identical setting of head rod 5 and the first triangular shape protrusion of body 1；The termination fusion body 3 has and the company
It connects with 2 first groove 10 of body, the first rectangular notch 11, the 12 identical setting of the first triangular shape groove is merged, the termination is melted
The second groove 13, the second rectangular notch 14, the second triangular shape groove 15 on clutch body 3 are used with connection merges the second of body 2
Connecting rod 16 and the second triangular shape protrusion 17 match.
The splice type lumbar vertebra posterior fusion device can select the quantity of connection fusion body 2 according to patient's centrum size,
And then the size of splice type lumbar vertebra posterior fusion device is adjusted to adapt to the demand of patient.
The first arcwall face 18 is arranged in 1 left side of the original fusion body, and symmetrical first cambered surface 19 is arranged in front and rear sides, and
First prismatic protrusion 20 is set in first cambered surface 19, and the first bone grafting hole 21, the original fusion is arranged in the original fusion body 1
The first screw thread is arranged in the second arcwall face 22 and 18 concentric of the first arcwall face, the original fusion body 1 inside body 1
Hole 23, the first threaded hole 23 are connected with the first bone grafting hole 21, and first positioning hole 24 is arranged in the original fusion body 1.
Two sides is set as the second cambered surface 25 before and after connection fusion body 2, and the second prismatic is arranged in the second cambered surface 25
The second threaded hole 27 is arranged with fusion body 2 in protrusion 26, the connection.
Oval poroid bone grafting hole 28 is set among connection fusion body 2, and connection fusion body 2 is arranged the
Two location holes 29.
3 right side setting third arcwall face 30 of the termination fusion body, symmetrical third cambered surface 31 is arranged in front and rear sides, and
Third prismatic protrusion 32 is set in third cambered surface, and the second bone grafting hole 33, the termination fusion device is arranged in the termination fusion body 3
Third threaded hole is arranged in the 4th arcwall face 34 inside body 3 and 30 concentric of third arcwall face, the termination fusion body 3
35, third threaded hole 35 is connected with the second bone grafting hole 33, and third location hole 36 is arranged in the termination fusion body 3.
The first prismatic protrusion 20, the second prismatic protrusion 26,32 three of third prismatic protrusion setting position, size and
Direction is consistent.
The pilot pin 4 is convenient for development positioning when splice type lumbar vertebra posterior fusion device implants.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. splice type lumbar vertebra posterior fusion device, it is characterized in that：Including original fusion body (1), connect with fusion body (2), eventually
Only fusion body (3) and pilot pin (4), the original fusion body (1) are provided with head rod (5), head rod (5)
First end face (6) and main body (7) end face of the original fusion body (1) are in same plane, head rod (5) second end
Original fusion body main body (7) part is stretched out in face (8), and strip slot, item are symmetrical arranged in the connecting rod of first end face (6) side
Shape slot terminates at second end face (8), and second end face (8) is at convex character shape, the setting the one or three on the outside of the head rod (5)
Cornu (9)；The first groove (10), the first groove (10) and the original fusion is arranged in connection fusion body (2)
For the head rod (5) of body (1) at being matched at convex character shape, the first rectangular notch (11) is arranged in the first groove (10) one end,
First triangular shape groove (12), first rectangular notch (11) and the first triangle are set inside first rectangular notch (11)
Shape groove (12) coordinates with the head rod (5) of the original fusion body (1) and the first triangular shape protrusion (9), the company
Connect with fusion body (2) have it is identical with the head rod (5) of the original fusion body (1) and the first triangular shape protrusion (9)
Setting；Termination fusion body (3) has with the connection with merging (2) first groove (10) of body, the first rectangular notch
(11), the identical setting of the first triangular shape groove (12), second groove (13) terminated on fusion body (3), the second square
V notch v (14), the second triangular shape groove (15) and connection the second connecting rod (16) and the second triangular shape for merging body (2)
Protrusion (17) matches, and the splice type lumbar vertebra posterior fusion device can select connection to merge body according to patient's centrum size
Quantity, and then the size of splice type lumbar vertebra posterior fusion device is adjusted to adapt to the demand of patient.
2. splice type lumbar vertebra posterior fusion device according to claim 1, it is characterized in that:The original fusion body (1) is left
The first arcwall face (18) is arranged in side, and symmetrical first cambered surface (19) is arranged in front and rear sides, and is arranged first in the first cambered surface (19)
The first bone grafting hole (21) is arranged in prismatic protrusion (20), the original fusion body (1), original fusion body (1) inside
The first threaded hole is arranged in second arcwall face (22) and the first arcwall face (18) concentric, the original fusion body (1)
(23), the first threaded hole (23) is connected with the first bone grafting hole (21), and first positioning hole is arranged in the original fusion body (1)
(24)。
3. splice type lumbar vertebra posterior fusion device according to claim 2, it is characterized in that:Connection fusion body (2)
Front and back two sides is set as the second cambered surface (25), and the second prismatic protrusion (26), the connection fusion are arranged in the second cambered surface (25)
The second threaded hole (27) is arranged in body (2).
4. splice type lumbar vertebra posterior fusion device according to claim 3, it is characterized in that:Connection fusion body (2)
Oval poroid bone grafting hole (28) is arranged in centre, and second location hole (29) is arranged with fusion body (2) in the connection.
5. splice type lumbar vertebra posterior fusion device according to claim 4, it is characterized in that:The termination fusion body (3) is right
Third arcwall face (30) is arranged in side, and symmetrical third cambered surface (31) is arranged in front and rear sides, and third prismatic is arranged in third cambered surface
Protrusion (32), the second bone grafting hole (33) is arranged in the termination fusion body (3), described to terminate the 4th of fusion body (3) inside
Third threaded hole (35) is arranged in arcwall face (34) and third arcwall face (30) concentric, the termination fusion body (3), the
Three threaded holes (35) are connected with the second bone grafting hole (33), and third location hole (36) is arranged in the termination fusion body (3).
6. splice type lumbar vertebra posterior fusion device according to claim 5, it is characterized in that:The first prismatic protrusion (20),
Second prismatic protrusion (26), the position of third prismatic protrusion (32) three setting, size and direction are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891582.1A CN105326586B (en) | 2015-12-08 | 2015-12-08 | Splice type lumbar vertebra posterior fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891582.1A CN105326586B (en) | 2015-12-08 | 2015-12-08 | Splice type lumbar vertebra posterior fusion device |
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| Publication Number | Publication Date |
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| CN105326586A CN105326586A (en) | 2016-02-17 |
| CN105326586B true CN105326586B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510891582.1A Active CN105326586B (en) | 2015-12-08 | 2015-12-08 | Splice type lumbar vertebra posterior fusion device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108125736A (en) * | 2018-02-09 | 2018-06-08 | 申才良 | A kind of spliced homogeneous allogenic bone fusion device |
| CN110693631B (en) * | 2019-10-17 | 2023-06-27 | 徐州市中心医院 | Intervertebral fusion device under inverse insertion type intervertebral foramen mirror |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205322554U (en) * | 2015-12-08 | 2016-06-22 | 胡桓宇 | Concatenation type lumbar vertebrae way of escape fuses ware |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060142858A1 (en) * | 2004-12-16 | 2006-06-29 | Dennis Colleran | Expandable implants for spinal disc replacement |
| CN202386760U (en) * | 2011-12-09 | 2012-08-22 | 中国科学院深圳先进技术研究院 | Interbody fusion cage |
| US9510953B2 (en) * | 2012-03-16 | 2016-12-06 | Vertebral Technologies, Inc. | Modular segmented disc nucleus implant |
| CN103494658B (en) * | 2013-08-16 | 2015-09-30 | 杨永竑 | A kind of can Wicresoft implant combined spinal cage assembly |
| CN103610522A (en) * | 2013-12-12 | 2014-03-05 | 广州聚生生物科技有限公司 | Lumbar vertebra posterior approach fusion device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205322554U (en) * | 2015-12-08 | 2016-06-22 | 胡桓宇 | Concatenation type lumbar vertebrae way of escape fuses ware |
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