CN108324356A - Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system - Google Patents
Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system Download PDFInfo
- Publication number
- CN108324356A CN108324356A CN201810123342.0A CN201810123342A CN108324356A CN 108324356 A CN108324356 A CN 108324356A CN 201810123342 A CN201810123342 A CN 201810123342A CN 108324356 A CN108324356 A CN 108324356A
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- CN
- China
- Prior art keywords
- nail
- preceding road
- hole
- fixed part
- pedicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8028—Cushions, i.e. elements forming interface between bone plate and bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
Abstract
The present invention provides a kind of preceding road cervical vertebra bone cement pedicle screws nail-plate fixed systems, including preceding road plate (1) and bone screws (2)；The end face at preceding road plate (1) through-thickness both ends is respectively formed binding face (11), external face (12)；It is provided with trepanning on the external face (12), includes the first nail hole (13) in multiple trepannings, the first nail hole (13) extends through preceding road plate (1) along its length；Relatively preceding road plate (1) the thickness extending direction of first nail hole (13) is obliquely extended；Bone screws (2) include rivet nut, and rivet nut includes sequentially connected nail head (21), nail rod portion (22), nail tail portion (23)；The bone screws (2) correspond with the first nail hole (13).The present invention can integrate multiple bone screws by anteposition plate and is driven into vertebra along multiple directions, and bone screws can be extended to from centrum in pedicle of vertebral arch along the first nail hole, by increasing the quantity and constant depth of bone screws, increase the fixing intensity of entire pegboard systems.
Description
Technical field
The present invention relates to, specifically medical instruments field, it is related to a kind of preceding road cervical vertebra bone cement pedicle screws nail-plate and fixes
System.
Background technology
Patent document CN103142302A discloses a kind of bone screws, including a head, a bar portion, a screw-tipped, one
Peripheral surface and one is arranged in external screw thread on peripheral surface, and bar portion has from a screw-tipped from head to screw-tipped in closed
Portion's through-hole, interior bone are communicated by the lateral eyelet of bar portion with peripheral surface, the eyelet arranged from screw-tipped to cephalad direction its
Along bar portion circumference by close to thin distribution.According to the patent document readme, the eyelet that bone screws use adjusts density journey as needed
Degree, therefore the actual conditions of inside bone, preferably fixing bone can be better adapted to.Due also to setting connector, passes through company
Connector is connected with the container of conveying bone cement, therefore bone screws can be manufactured fully according to standard, and with various forms of companies
Connector goes the bone screws of connection standard, therefore bone screws can adapt to the mode of movement and transport box of different bone cements, increases
The adaptability of product is added.But the bone screws that the patent document provides, when injecting bone cement, bone cement is hard to reach distal end
Eyelet in.In addition, individually for bone screws during being driven into vertebra, guidance quality is poor, and is difficult to realize same
Multidirectional on root vertebra grabs conjunction, and fixing intensity is relatively low.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of preceding road cervical vertebra bone cement pedicle screws nail-plates
Fixed system.
According to preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system provided by the invention, including preceding road plate and murices
Nail；The end face at preceding road plate through-thickness both ends is respectively formed binding face, external face；
It is provided with trepanning on the external face, includes the first nail hole in multiple trepannings, the first nail hole is prolonged along its length
It stretches and runs through preceding road plate；The relatively preceding road plate thickness extending direction linear extension of first nail hole, or preceding road plate thickness extension side relatively
To being obliquely extended；
Bone screws include rivet nut, and the rivet nut includes sequentially connected nail head, nail rod portion, nail tail portion；The bone screws
It is corresponded with the first nail hole.
Preferably, the binding face includes arcwall face；Including multiple first nail hole, in the direction along external face to binding face
On, multiple first nail hole are located remotely from each other；
First nail hole is counterbore, and the nail tail portion is integrally located in the inner space of the first nail hole.
Preferably, multiple trepannings on external face also include the second nail hole, and second nail hole and the first nail hole are mutual
It is connected to, is provided with stop screw in the second nail hole, the stop screw can be contacted with bone screws.
Preferably, axial aperture is provided in nail rod portion, axial aperture inner space forms article containing space；The nail rod portion
On be additionally provided with one or more eyelets, the eyelet runs through nail rod portion circumferential wall；
An inner core is rotatablely equipped in the article containing space, inner core is enough in plug-hole state and dew in article containing space transfer kinetic energy
It is converted between both states of hole state：
Under the plug-hole state, inner core blocks institute's perforation；Under the state of the dew hole, article containing space passes through eyelet and bone water
Mud snail follows closely exterior space and is interconnected.
Preferably, the inner core includes valve body and rotation mandrel, and in cross-sectional direction, multiple valve bodies are along rotation mandrel
Circumferential direction is securedly mounted on rotating shaft core；
In article containing space, two neighboring valve body constitutes diversion space with the space that nail rod portion inner wall surrounds.
Preferably, latch is additionally provided in the nail rod portion, the latch is slidably mounted in nail rod portion circumferential wall, card
Tooth can be converted along the sliding of nail rod portion radial direction in the case where receiving state does well both states with thorn：
Under the receiving state, latch is integrally located within nail rod portion circumferential direction outer profile；The thorn does well down, and latch arrives
Up to except nail rod portion circumferential direction outer profile；
Piezoelectricity core is installed in the rotation mandrel.
Preferably, the nail rod portion includes the centrum fixed part being connected smoothly and pedicle of vertebral arch fixed part；
Pedicle of vertebral arch fixed part cross-sectional diameter is not more than centrum fixed part cross-sectional diameter.
Preferably, the axial aperture is located in centrum fixed part；The pedicle of vertebral arch fixed part is solid construction；Or；
The axial aperture simultaneously positioned at centrum fixed part with pedicle of vertebral arch fixed part, with pedicle of vertebral arch fix by centrum fixed part
Eyelet is both provided in portion；Eyelet equal sized or not in the size of eyelet on centrum fixed part, with pedicle of vertebral arch fixed part
Deng.
Preferably, the nail tail portion is provided with injection orifice, and the injection orifice is interconnected with axial aperture；
It is provided with external screw thread in the outside wall surface in nail head and/or nail rod portion.
Compared with prior art, the present invention has following advantageous effect：
1, the present invention can integrate multiple bone screws by anteposition plate and is driven into vertebra along multiple directions, and bone screws can be with
It extends in pedicle of vertebral arch from centrum along the first nail hole, by increasing the quantity and constant depth of bone screws, and then increases entire
The fixing intensity of pegboard systems.
2, the setting of the second nail hole and stop screw withstands on bone screws on anteposition plate, after effectivelying prevent bone screws to loosen
Deviate from from vertebra anteposition.
3, it by the rotation of inner core, it can be achieved that after being first full of bone cement inside the rivet nut, then opens simultaneously institute's perforation and makes
The effect that bone cement uniformly flows out is obtained, the defect for causing bone cement that can not reach rivet nut distal end because rivet nut is too long is avoided.
4, after being implanted to target location, inner core can be fixed and is retained in inside rivet nut rivet nut, be reduced out in the present invention
Influence of the hole to rivet nut intensity, increases the stability of operation.
5, the present invention in latch setting, further increase crystallized ability of the rivet nut in surgery location, pass through piezoelectricity
Core can prevent latch from excessively stretching out the damage for causing perienchyma.
6, the inner core plays bone cement distribution, latch extension and contraction control and the effect for reinforcing rivet nut intensity simultaneously, reaches
It is simple in sturcture, ingenious in design to the effect of an object three.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is anteposition plate and bone screws junction close-up schematic view；
Fig. 3 is rivet nut monnolithic case schematic diagram；
Fig. 4 is inner core nail rod cross section schematic diagram under plug-hole state；
Fig. 5 is inner core nail rod cross section schematic diagram in the case where revealing hole state.
It is shown in figure：
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As shown in Figure 1, preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system provided by the invention, including preceding road plate 1
With bone screws.As shown in Fig. 2, the end face at 1 through-thickness both ends of preceding road plate is respectively formed binding face 11, external face 12, it is described
It is provided with trepanning on external face 12, includes the first nail hole 13 in multiple trepannings, the first nail hole 13 extends through along its length
Preceding road plate 1, the relatively preceding 1 thickness extending direction linear extension of road plate of the first nail hole 13, or relatively preceding 1 thickness extending direction of road plate
It is obliquely extended.Bone screws include rivet nut, and the rivet nut includes sequentially connected nail head 21, nail rod portion 22, nail tail portion 23；It is described
Bone screws are corresponded with the first nail hole 13.
In embodiment, the binding face 11 includes arcwall face, and binding face 11 with vertebra anteposition for being bonded, certainly due to centrum
Body surface has certain radian, to ensure to come into full contact between preceding road plate 1 and conical surface, therefore is provided with above-mentioned arc
Face.In addition, comprising multiple first nail hole 13, along external face 12 to the direction of binding face 11, multiple first nail hole 13
It is located remotely from each other, that is to say, that the relatively preceding 1 thickness extending direction of road plate of the first nail hole 13 is obliquely extended so that bone screws are along
When one nail hole 13 is squeezed into, is reached in pedicle of vertebral arch after centrum can be passed through, increase the constant depth of bone screws.First nail hole 13
For counterbore, the nail tail portion 23 is integrally located in the inner space of the first nail hole 13, and peripheral group is scraped after preventing positioning region from protruding
It knits.Preferably, multiple trepannings on external face 12 also include the second nail hole 14, second nail hole 14 and 13 phase of the first nail hole
It is intercommunicated, stop screw 15 is provided in the second nail hole 14, the stop screw 15 can be contacted with bone screws, by being screwed into limit
Position screw 15, deviates from after capable of preventing bone screws phase, increases fixing intensity.
As shown in figure 3, bone screws include rivet nut, the rivet nut include sequentially connected nail head 21, nail rod portion 22 and
Follow closely tail portion 23.It is provided with axial aperture in nail rod portion 22, axial aperture inner space forms article containing space, in the nail rod portion 22
One or more eyelets are additionally provided with, the eyelet runs through 22 circumferential wall of nail rod portion.It is rotatablely equipped in the article containing space
One inner core 24, inner core 24 are converted between plug-hole state and dew hole state both states article containing space transfer kinetic energy is enough：Institute
It states under plug-hole state, inner core 24 blocks institute's perforation；Under the state of the dew hole, article containing space passes through empty outside eyelet and bone screws
Between be interconnected.
As shown in Figure 4, Figure 5, the inner core 24 includes valve body 241 and rotation mandrel 242, multiple in cross-sectional direction
Valve body 241 is securedly mounted to along the circumferential direction of rotation mandrel 242 on rotating shaft core, and in embodiment, there are four valve bodies for setting
241, four valve bodies 241 are arranged in cross.In article containing space, two neighboring valve body 241 is enclosed with 22 inner wall of nail rod portion
At space constitute diversion space 220.The diversion space 220 is not constant always in the position of article containing space, but with
The rotation for inner core 24 changes.Diversion space 220 is the channel of bone cement, and when eyelet is plugged, diversion space 220 rises
To the effect contained to bone cement；When eyelet exposes, bone cement is flowed out from diversion space 220 by eyelet, diversion space 220
Play the distributional effects to bone cement.Preferably, the nail rod portion 22 includes centrum fixed part 221 and pedicle of vertebral arch fixed part 222,
It is both provided with eyelet on centrum fixed part 221 and pedicle of vertebral arch fixed part 222.In real process, centrum fixed part 221 is driven into
In the centrum of vertebra, pedicle of vertebral arch is then squeezed into the pedicle of vertebral arch of vertebra.Since there are diversity for the selection of operation, such as into nail angle
With into nail position difference etc., in addition, there is also differences for the cross section size of centrum and pedicle of vertebral arch, therefore, on centrum fixed part 221
Eyelet size greater than, equal to or less than on pedicle of vertebral arch fixed part 222 eyelet size, the hole on centrum fixed part 221
Eye is either one or more with the number of eyelet on pedicle of vertebral arch fixed part 222, and bone screws are adjusted according to actual conditions
Structure, and then adjust the distribution of bone cement.Preferably, the centrum fixed part 221 and 222 company of seamlessly transitting of pedicle of vertebral arch fixed part
It connects, 222 cross-sectional diameter of pedicle of vertebral arch fixed part is not more than 221 cross-sectional diameter of centrum fixed part, it is contemplated that pedicle of vertebral arch cross section
It is smaller, therefore the cross section of pedicle of vertebral arch fixed part 222 is also correspondingly reduced, prevent bone screws from puncturing pedicle surface.Variation
In example, the axial aperture is located in centrum fixed part 221；The pedicle of vertebral arch fixed part 222 is solid construction.When pedicle of vertebral arch is solid
After determining the reduction of 222 cross section of portion, intensity can be reduced accordingly, during being driven into vertebra, to prevent bone screws from being twisted into two parts,
Pedicle of vertebral arch fixed part 222 is designed to solid construction.Preferably, perforation can also be set on the nail head 21.
As shown in figure 4, being additionally provided with latch 25 in the nail rod portion 22, the latch 25 is slidably mounted on nail rod portion 22 weeks
To on wall surface, latch 25 can turn along the sliding of 22 radial direction of nail rod portion in the case where receiving state and thorn do well both states
It changes：Under the receiving state, latch 25 is integrally located within the circumferential outer profile in nail rod portion 22；The thorn does well down, latch 25
It reaches except the circumferential outer profile in nail rod portion 22.Inner core 24 enough drives latch 25 in receiving state and thorn in article containing space transfer kinetic energy
It is converted under both states that do well, that is to say, that when inner core 24 rotates, the opening and closing of eyelet can be influenced, can also be influenced
Latch 25 stretches.When the inner core 24 is in plug-hole state, latch 25 is in receiving state, is squeezed into this way in bone screws in one's hands
During art position, for 22 outer surface of nail rod portion without extra projection, operation is more smooth.When bone screws in place, diversion space 220
After middle injection bone cement, inner core 24 is rotated, is that eyelet exposes, bone cement outflow, while latch 25 can be ejected, further increase
Add the crystallized ability of bone screws.Preferably, piezoelectricity core 26 is installed in the rotation mandrel 242.Piezoelectricity core 26 is by piezoelectricity
Material is made, and incudes the reaction force of latch 25, latch 25 is avoided excessively to stretch out the injury caused to perienchyma.
Preferably, discontinuous form internal thread is provided on 22 inner wall of nail rod portion, on the radial outer end face of the valve body 241
It is provided with sealed external screw thread, the sealed external screw thread matches with discontinuous form internal thread.Inner core 24 is detachably assemblied in nail rod portion
In 22, when inner core 24 is extend into article containing space, sealed external screw thread mutually staggers in the circumferential with discontinuous form internal thread；Rotation
After releasing bone cement, self-locking is engaged, it can be achieved that the opposite nail of inner core 24 by sealed external screw thread and discontinuous form internal thread for inner core 24
The fixation of bar portion 22 increases the integral strength of bone screws.Preferably, the internal and external threads structure can also be other revotating cards
Close fixed structure.Preferably, the nail tail portion 23 is provided with injection orifice, and the injection orifice is interconnected with axial aperture, preferably
It is provided with external screw thread in the outside wall surface in ground, nail head 21 and/or nail rod portion 22, facilitates and bone screws is screwed into target location.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.In the absence of conflict, the feature in embodiments herein and embodiment can arbitrary phase
Mutually combination.
Claims (9)
1. a kind of preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system, which is characterized in that include preceding road plate (1) and bone screws
(2)；The end face at preceding road plate (1) through-thickness both ends is respectively formed binding face (11), external face (12)；
It is provided with trepanning on the external face (12), includes the first nail hole (13) in multiple trepannings, the first nail hole (13) is along length
Degree direction extends through preceding road plate (1)；Relatively preceding road plate (1) the thickness extending direction linear extension of first nail hole (13), Huo Zhexiang
Preceding road plate (1) thickness extending direction is obliquely extended；
Bone screws (2) include rivet nut, and the rivet nut includes sequentially connected nail head (21), nail rod portion (22), nail tail portion (23)；
The bone screws (2) correspond with the first nail hole (13).
2. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 1, which is characterized in that the patch
Conjunction face (11) includes arcwall face；Including multiple first nail hole (13), more on the direction along external face (12) to binding face (11)
A first nail hole (13) is located remotely from each other；
First nail hole (13) is counterbore, and the nail tail portion (23) is integrally located in the inner space of the first nail hole (13).
3. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 2, which is characterized in that external face
(12) multiple trepannings on also include the second nail hole (14), and second nail hole (14) is interconnected with the first nail hole (13),
Stop screw (15) is provided in second nail hole (14), the stop screw (15) can contact with bone screws (2).
4. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 1, which is characterized in that nail rod portion
(22) axial aperture is provided in, axial aperture inner space forms article containing space；It is additionally provided with one on the nail rod portion (22)
A or multiple eyelets, the eyelet run through nail rod portion (22) circumferential wall；
An inner core (24) is rotatablely equipped in the article containing space, inner core (24) is enough in plug-hole state in article containing space transfer kinetic energy
It is converted between dew hole state both states：
Under the plug-hole state, inner core (24) blocks institute's perforation；Under the state of the dew hole, article containing space passes through eyelet and bone water
Mud snail follows closely exterior space and is interconnected.
5. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 4, which is characterized in that in described
Core (24) includes valve body (241) and rotation mandrel (242), and in cross-sectional direction, multiple valve bodies (241) are along rotation mandrel
(242) circumferential direction is securedly mounted on rotating shaft core；
In article containing space, two neighboring valve body (241) constitutes diversion space with the space that nail rod portion (22) inner wall surrounds
(220)。
6. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 4, which is characterized in that the nail
Latch (25) is additionally provided in bar portion (22), the latch (25) is slidably mounted in nail rod portion (22) circumferential wall, latch
(25) it can be converted in the case where receiving state does well both states with thorn along the sliding of nail rod portion (22) radial direction：
Under the receiving state, latch (25) is integrally located within the circumferential outer profile in nail rod portion (22)；The thorn does well down, card
Tooth (25) reaches except nail rod portion (22) circumferential outer profile；
Piezoelectricity core (26) is installed in the rotation mandrel (242).
7. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 4, which is characterized in that the nail
Bar portion (22) includes the centrum fixed part (221) being connected smoothly and pedicle of vertebral arch fixed part (222)；
Pedicle of vertebral arch fixed part (222) cross-sectional diameter is not more than centrum fixed part (221) cross-sectional diameter.
8. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 7, which is characterized in that the axis
It is located in centrum fixed part (221) to trepanning；The pedicle of vertebral arch fixed part (222) is solid construction；Or；
The axial aperture is located in centrum fixed part (221) and pedicle of vertebral arch fixed part (222) simultaneously, centrum fixed part (221)
It is both provided with eyelet on pedicle of vertebral arch fixed part (222)；The size of eyelet on centrum fixed part (221), is fixed with pedicle of vertebral arch
It eyelet equal sized or is differed in portion (222).
9. preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system according to claim 4, which is characterized in that the nail
Tail portion (23) is provided with injection orifice, and the injection orifice is interconnected with axial aperture；
It is provided with external screw thread in the outside wall surface of nail head (21) and/or nail rod portion (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123342.0A CN108324356A (en) | 2018-02-07 | 2018-02-07 | Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123342.0A CN108324356A (en) | 2018-02-07 | 2018-02-07 | Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108324356A true CN108324356A (en) | 2018-07-27 |
Family
ID=62928351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810123342.0A Pending CN108324356A (en) | 2018-02-07 | 2018-02-07 | Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108324356A (en) |
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| CN1757383A (en) * | 2005-11-02 | 2006-04-12 | 蒋谊康 | Means for preventing fixed bone screw loosening for cervical vertebrae front steel plate system |
| WO2009055537A1 (en) * | 2007-10-23 | 2009-04-30 | K2M, Inc. | Dynamic cervical plate |
| CN201445557U (en) * | 2009-08-19 | 2010-05-05 | 雷伟 | Medical pediculus arcus vertebrae intensified bolt |
| CN201591614U (en) * | 2010-01-20 | 2010-09-29 | 南方医科大学 | Pourable anterior cervical vertebra pedicle screw |
| CN203001092U (en) * | 2013-01-24 | 2013-06-19 | 赵刘军 | Lower cervical vertebra anterior approach pedicle screw matched fixing and anti-falling device |
| CN103598910A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Anterior spinal fixation plate |
| CN103654936A (en) * | 2012-09-17 | 2014-03-26 | 上海微创骨科医疗科技有限公司 | Pedicle screw with barbs, and pusher and method for forming pedicle screw |
| US20140148860A1 (en) * | 2012-11-27 | 2014-05-29 | Jim A. Rinner | Expanding Blade Screw Retention System |
| CN208892751U (en) * | 2018-02-07 | 2019-05-24 | 中国人民解放军第二军医大学第二附属医院 | Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system |
-
2018
- 2018-02-07 CN CN201810123342.0A patent/CN108324356A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1757383A (en) * | 2005-11-02 | 2006-04-12 | 蒋谊康 | Means for preventing fixed bone screw loosening for cervical vertebrae front steel plate system |
| WO2009055537A1 (en) * | 2007-10-23 | 2009-04-30 | K2M, Inc. | Dynamic cervical plate |
| CN201445557U (en) * | 2009-08-19 | 2010-05-05 | 雷伟 | Medical pediculus arcus vertebrae intensified bolt |
| CN201591614U (en) * | 2010-01-20 | 2010-09-29 | 南方医科大学 | Pourable anterior cervical vertebra pedicle screw |
| CN103654936A (en) * | 2012-09-17 | 2014-03-26 | 上海微创骨科医疗科技有限公司 | Pedicle screw with barbs, and pusher and method for forming pedicle screw |
| US20140148860A1 (en) * | 2012-11-27 | 2014-05-29 | Jim A. Rinner | Expanding Blade Screw Retention System |
| CN203001092U (en) * | 2013-01-24 | 2013-06-19 | 赵刘军 | Lower cervical vertebra anterior approach pedicle screw matched fixing and anti-falling device |
| CN103598910A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Anterior spinal fixation plate |
| CN208892751U (en) * | 2018-02-07 | 2019-05-24 | 中国人民解放军第二军医大学第二附属医院 | Preceding road cervical vertebra bone cement pedicle screws nail-plate fixed system |
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