CN105310805B - Anti-retreat distraction anterior cervical spine fusion cage - Google Patents
Anti-retreat distraction anterior cervical spine fusion cage Download PDFInfo
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- CN105310805B CN105310805B CN201510887005.5A CN201510887005A CN105310805B CN 105310805 B CN105310805 B CN 105310805B CN 201510887005 A CN201510887005 A CN 201510887005A CN 105310805 B CN105310805 B CN 105310805B
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Abstract
The invention relates to an anti-retreat distraction anterior cervical spine fusion cage and belongs to the field of medical instruments. The anti-retreat distraction anterior cervical spine fusion cage is suitable for anterior cervical spine orthopedic surgery. The anti-retreat distraction anterior cervical spine fusion cage comprises a fusion cage body (1), a rotating blade (2), a pin (3) and a distraction shaft (4). The moving range of the rotating blade (2) is in the fusion cage body (1), the distraction shaft (4) penetrates through the fusion cage body (1) and the rotating blade (2), and the rotating blade (2) and the distraction shaft (4) are connected together through the pin (3).
Description
Technical field
The present invention relates to a kind of anti-back bracing type Cervical anterior fusion device, belongs to medical instruments field, it is adaptable to before cervical vertebra
In the orthomorphia of road.
Background technology
Cervical spondylosiss be because intervertebral disc degradation and its it is secondary sexually revise, stimulate or oppress adjacent spinal cord, nerve, blood vessel and food
Road etc. is organized, and the person that causes Sx.Known together now：To the person that has surgical indication, operative treatment should be carried out.And it is right
In the operative treatment of cervical spondylosiss, the development from way of escape road forward is experienced.With the progress of medical science, and the dissection to anterior cervical vertebrae
Understanding.In nineteen fifty-five Smih-Robinson and Cloward, report treats cervical vertebra with anterior cervical decompression bone graft fusion at first
Disease, modus operandi at that time is anterior cervical decompression bone grafting, and without any interior fixation, fusion rate of bone graft is low.The country is in 20 generation
Record and carry out this operation the sixties.Cervical vertebra anterior approach most can directly appear cervical vertebral body, effectively release in front of spinal cord
Compressing.The identical property of traditional cervical vertebral fusion cage is poor, is difficult fusion, and implant can loosen the phenomenon for exiting.It is above-mentioned to solve
Problem, designs a anti-back bracing type Cervical anterior fusion device.
The content of the invention
The purpose of the present invention is：For the problem that prior art is present, there is provided a kind of anti-back bracing type anterior cervical vertebrae melts
Clutch, is made implant preferably be combined with upper and lower soleplate, plays a part of stable anti-back, preferably realize controlling for anterior cervical vertebrae
Treat, reduce the pain that operation is brought to patient.
To achieve these goals, the invention provides a kind of anti-back bracing type Cervical anterior fusion device, including fusion device
Body, rotating blade, pin and strut axle；The rotating blade range of activity is arranged on portion in the fusion device body, described to strut
The rotating blade and the axle that struts are connected to one through the fusion body and the rotating blade, the pin by axle
Rise, when rotation is described struts axle, the rotating blade also can follow in the presence of the pin described in strut axle and revolve together
Turn, can be by " convex " the shape mouth and groove for merging body by the fusion body after the rotation cuboid for strutting axle
Strut.
Preferably, the fusion body upper surface is arc, and inner hollow, upper and lower surface arrange prismatic spinous process, work as implantation
During vertebral body, frictional force can be increased, improve anti-abjection power, the fusion body right side is in arc-shaped, has rectangle on the inside of right side
Convex, right side and rectangle convex centre position arrange round tube hole, and the side of round tube hole is threaded hole, and the screwed hole is not
Contact rectangle convex, the setting of the screwed hole are easy to apparatus to capture, and the top position in the fusion body left side arranges " convex " shape mouth,
Position arranges groove on the lower on the left side, and before and after fusion body, two sides is symmetrical arranged circular hole, and symmetrically arranged strip groove with circular hole is
Starting point, the groove for extending to the left side are terminal；It is internal on the left of the fusion body that boss is set, one is arranged from boss middle part
Breach, breach originate in upper surface, terminate at the lower surface of strip groove, and " convex " shape mouth and groove originate in fusion body
The left side, terminates at the left surface of the breach, and boss right flank arranges circular port, and circular port terminates at the left surface of breach.
Preferably, the axle right-hand member that struts is for cylinder, the circle of the outer surface of the cylinder and the right-hand member of the fusion body
Through hole is engaged, and cylinder right-hand member arranges interior six square grooves, is easy to apparatus to carry out rotation process to the axle that struts, close to cylinder position
Six flat-shaped prisms are set, and the first connecting hole of the six prisms middle setting arranges small column, institute close to the six prisms position
State and strut axle left end setting cuboid, the cuboid is connected with " convex " the shape mouth and groove on the left side of the fusion body
Touch, after cuboid is rotated by 90 °, fusion body can be strutted.
Preferably, the rotating blade is symmetrical structure, and middle part is oblate post, and oblate post middle part arranges six ribs
Cylinder hole, affiliated hexa-prism hole are engaged with six prisms strutted on axle, and flat cylindrical upper portion arranges the second connecting hole, peace
During dress, the first connecting hole and the second connecting hole coaxial line are connected by the pin, and oblate post both sides are symmetrical arranged blade.
Preferably, the blade inserts vertebral body after the fusion body is strutted, it is ensured that anti-back bracing type anterior cervical vertebrae melts
The steadiness of clutch implantation.
Preferably, the rotating blade is arranged in the middle of the fusion body rectangle convex and boss.
Description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is the structure chart of the fusion body of the present invention.
Fig. 3 is the sectional view of the fusion body of the present invention.
Fig. 4 is the front view of the fusion body of the present invention.
Fig. 5 is the left view of the fusion body of the present invention.
Fig. 6 is the top view of the fusion body of the present invention.
Fig. 7 is the structure chart for strutting axle of the present invention.
Fig. 8 is the structure chart of the rotating blade of the present invention.
In figure,
1 fusion body, 2 rotating blades, 3 pins, 4 strut axle, 5 cuboids, 6 " convex " shape mouth, 7 grooves,
It is 8 upper surfaces, 9 right sides, 10 rectangle convexes, 11 round tube holes, 12 screwed holes, 13 circular holes, 14 strip grooves, 15 convex
Platform, 16 breach, 17 circular ports, 18 cylinders, 19 6 square grooves, 20 6 prisms, 21 first connecting holes, 22 small columns, 23 oblate posts, 24
Second connecting hole, 25 blades, 26 prismatic spinous process, 27 hexa-prism holes.
Specific embodiment
In order to further illustrate the present invention, the anti-back bracing type anterior cervical vertebrae that the present invention is provided is melted with reference to embodiment
Clutch is described in detail, but they can not be interpreted as limiting the scope of the present invention.
Referring to figs. 1 to shown in Fig. 8, according to a kind of anti-back bracing type Cervical anterior fusion of preferred implementation of the invention
Device, including merge body 1, rotating blade 2, pin 3 and strut axle 4；2 range of activity of the rotating blade is arranged on the fusion
Inside body 1, through the fusion body 1 and rotating blade 2, the pin 3 is by the rotating blade for the axle 4 that struts
2 connect together with the axle 4 that struts, and when axle 4 is strutted described in rotation, the rotating blade 2 also can be in the work of the pin 3
Axle 4 is strutted described in following with to rotate together, can be by the fusion body 1 after the cuboid 5 of 4 left end of axle is strutted described in rotation
" convex " shape mouth 6 and groove 7 by it is described fusion body 1 strut.
1 upper surface 8 of the fusion body is arc, and inner hollow, upper and lower surface arrange prismatic spinous process 26, when implantation vertebral body
When, frictional force can be increased, anti-abjection power is improved, 1 right side 9 of the fusion body is in arc-shaped, has rectangle to dash forward on the inside of right side 9
Platform 10, right side 9 and 10 centre position of rectangle convex arrange round tube hole 11, and the side of round tube hole 11 is threaded hole 12, described
Screwed hole 12 does not contact rectangle convex 10, and the setting of the screwed hole 12 is easy to apparatus to capture, the top position in 1 left side of fusion body
" convex " shape mouth 6 is set, and position arranges groove 7 on the lower on the left side, and before and after fusion body 1, two sides is symmetrical arranged circular hole 13, symmetrically sets
With circular hole 13 as starting point, the groove 7 for extending to the left side is terminal to the strip groove 14 put；It is internal on the left of the fusion body 1 to set
Boss 15 is put, one breach 16 is set from 15 middle part of boss, breach 16 originates in upper surface 8, terminates at strip groove 14
At lower surface, " convex " shape mouth 6 and groove 7 originate in 1 left side of fusion body, terminate at the left surface of the breach 16, boss
15 right flanks arrange circular port 17, and circular port 17 terminates at the left surface of breach 16.
For cylinder 18, the outer surface of the cylinder 18 is led to 4 right-hand member of axle that struts with the circle of the right-hand member of the fusion body 1
Hole 11 is engaged, and 18 right-hand member of cylinder arranges interior six square grooves 19, is easy to apparatus to carry out rotation process to the axle 4 that struts, close to circle
18 position of post arranges six flat-shaped prisms 20, six prism, 20 the first connecting hole of middle setting 21, close to six prism 20
Position arranges small column 22, and 4 left end of axle that struts arranges cuboid 5, the cuboid 5 and the left side for merging body 1
" convex " shape mouth 6 and groove 7 contact, after cuboid 5 is rotated by 90 °, can strut fusion body 1.
The rotating blade 2 is symmetrical structure, and middle part is oblate post 23, and 23 middle part of oblate post arranges six prisms
Shape hole 27, affiliated hexa-prism hole 27 are engaged with six prisms 20 strutted on axle 4, and 23 top of oblate post arranges second and connects
Hole 24 is connect, during installation, 24 coaxial line of the first connecting hole 21 and the second connecting hole is connected by the pin 3, the oblate post 23
Both sides are symmetrical arranged blade 25.
The blade 25 inserts vertebral body after the fusion body 1 is strutted, it is ensured that anti-back bracing type Cervical anterior fusion device
The steadiness of implantation.
The rotating blade 2 is arranged in the middle of the fusion 1 rectangle convex 10 of body and boss 15.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. anti-back bracing type Cervical anterior fusion device, is characterized in that：Including fusion body (1), rotating blade (2), pin (3) and
Strut axle (4)；Rotating blade (2) range of activity is arranged on fusion body (1) inside, and the axle (4) that struts is passed through
Fusion body (1) and the rotating blade (2), the pin (3) is by the rotating blade (2) and described struts axle (4)
Connect together, when axle (4) are strutted described in rotation, the rotating blade (2) also can be followed in the presence of the pin (3)
The axle (4) that struts rotates together, can be by fusion body (1) after the cuboid (5) of axle (4) left end is strutted described in rotation
" convex " shape mouth (6) and groove (7) by it is described fusion body (1) strut；Fusion body (1) upper surface (8) is arc,
Inner hollow, upper and lower surface arrange prismatic spinous process (26), when vertebral body is implanted into, can increase frictional force, improve anti-abjection power, described
Fusion body (1) right side (9) has rectangle convex (10), right side (9) and rectangle convex in arc-shaped on the inside of right side (9)
(10) centre position arranges round tube hole (11), and the side of round tube hole (11) is threaded hole (12), and the screwed hole (12) does not connect
Tactile rectangle convex (10), the setting of the screwed hole (12) are easy to apparatus to capture, and the top position in fusion body (1) left side is arranged
" convex " shape mouth (6), position arranges groove (7) on the lower on the left side, and before and after fusion body (1), two sides is symmetrical arranged circular hole (13), right
Claim the strip groove (14) for arranging with circular hole (13) as starting point, the groove (7) for extending to the left side is terminal；The fusion body
(1) it is internal on the left of that boss (15) is set, from boss (15) middle part, one breach (16) is set, breach (16) originates in upper surface
(8), terminate at the lower surface of strip groove (14), " convex " shape mouth (6) and groove (7) originate in fusion body (1) left side,
The left surface of the breach (16) is terminated at, boss (15) right flank arranges circular port (17), and circular port (17) terminates at breach
(16) left surface.
2. anti-back bracing type Cervical anterior fusion device according to claim 1, is characterized in that:It is described to strut axle (4) right-hand member
For cylinder (18), the outer surface of the cylinder (18) is engaged with the round tube hole (11) of the right-hand member of fusion body (1), cylinder
(18) right-hand member arranges interior six square grooves (19), is easy to apparatus to carry out rotation process to the axle (4) that struts, close to cylinder (18) position
Flat-shaped six prisms (20), six prism (20) the first connecting hole of middle setting (21), close to six prism (20) are set
Position arranges small column (22), and axle (4) left end that struts arranges cuboid (5), the cuboid (5) and the fusion body
(1) " convex " the shape mouth (6) and groove (7) on the left side contacts, and after cuboid (5) is rotated by 90 °, can strut fusion body
(1)。
3. anti-back bracing type Cervical anterior fusion device according to claim 1 and 2, is characterized in that:The rotating blade (2)
For symmetrical structure, middle part is oblate post (23), and oblate post (23) middle part arranges hexa-prism hole (27), six rib
Cylinder hole (27) is engaged with six prisms (20) strutted on axle (4), and oblate post (23) top arranges the second connecting hole
(24), during installation, the first connecting hole (21) and the second connecting hole (24) coaxial line are connected by the pin (3), described oblate
Post (23) both sides are symmetrical arranged blade (25).
4. anti-back bracing type Cervical anterior fusion device according to claim 1, is characterized in that:The blade (25) is described
Fusion body (1) inserts vertebral body after strutting, it is ensured that the steadiness of anti-back bracing type Cervical anterior fusion device implantation.
5. anti-back bracing type Cervical anterior fusion device according to claim 1, is characterized in that:The rotating blade (2) sets
It is placed in the middle of fusion body (1) rectangle convex (10) and boss (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887005.5A CN105310805B (en) | 2015-12-07 | 2015-12-07 | Anti-retreat distraction anterior cervical spine fusion cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510887005.5A CN105310805B (en) | 2015-12-07 | 2015-12-07 | Anti-retreat distraction anterior cervical spine fusion cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105310805A CN105310805A (en) | 2016-02-10 |
| CN105310805B true CN105310805B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510887005.5A Active CN105310805B (en) | 2015-12-07 | 2015-12-07 | Anti-retreat distraction anterior cervical spine fusion cage |
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| CN (1) | CN105310805B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262085B (en) * | 2021-04-28 | 2024-05-10 | 天津正天医疗器械有限公司 | Anti-withdrawal and expandable interbody fusion cage |
| CN114767347A (en) * | 2022-03-31 | 2022-07-22 | 首都医科大学宣武医院 | Rotary opening fusion cage |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6773460B2 (en) * | 2000-12-05 | 2004-08-10 | Roger P. Jackson | Anterior variable expandable fusion cage |
| US8142508B1 (en) * | 2007-07-02 | 2012-03-27 | Theken Spine, Llc | Spinal cage having deployable member which is removable |
| US8778025B2 (en) * | 2010-08-02 | 2014-07-15 | Ashraf A. Ragab | Rotatable cam lift for an expandable bone cage |
| WO2013025876A1 (en) * | 2011-08-16 | 2013-02-21 | Stryker Spine | Expandable implant |
| CN102335051A (en) * | 2011-10-21 | 2012-02-01 | 浙江科惠医疗器械有限公司 | Cervical spine locking and fusion device |
| CN103356310A (en) * | 2012-03-28 | 2013-10-23 | 北京爱康宜诚医疗器材股份有限公司 | Adjustable interbody fusion cage |
| DE102012023042B3 (en) * | 2012-11-26 | 2013-11-28 | Spontech Spine Intelligence Group Ag | Expandable cage for interbody fusion of lumbar vertebrae |
| US9700430B2 (en) * | 2013-03-15 | 2017-07-11 | Pioneer Surgical Technology, Inc. | Systems and methods for inserting an expandable intervertebral device |
| CN205163323U (en) * | 2015-12-07 | 2016-04-20 | 胡桓宇 | Ware is fused on way before preventing moving back formula that struts cervical vertebra |
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- 2015-12-07 CN CN201510887005.5A patent/CN105310805B/en active Active
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