CN105342680A - Anterior cervical interbody steel plate cage integrated internal fixing system - Google Patents
Anterior cervical interbody steel plate cage integrated internal fixing system Download PDFInfo
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- CN105342680A CN105342680A CN201510658987.0A CN201510658987A CN105342680A CN 105342680 A CN105342680 A CN 105342680A CN 201510658987 A CN201510658987 A CN 201510658987A CN 105342680 A CN105342680 A CN 105342680A
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- Prior art keywords
- nail
- steel plate
- cage
- screw
- thread
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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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7061—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant for stabilising vertebrae or discs by improving the condition of their tissues, e.g. using implanted medication or fluid exchange
-
- 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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
-
- 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
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B2017/7073—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant with intervertebral connecting element crossing an imaginary spinal median surface
Abstract
The invention discloses an anterior cervical interbody steel plate cage integrated internal fixing system. The system consists of a steel plate, bone nails, screws and a cage, wherein through holes with threads on inner sides are respectively formed in four corners of the steel plate; bone nail locking caps are arranged between the two through holes along the width direction; the center of the steel plate is provided with an oblong through hole with thin threads; fine threads are arranged on outer sides of heads of the bone nails; the bone nails can be gripped with the fine threads of the through holes of the steel plate; fine screws are arranged on the outer sides of the heads of the screws; the screws are common screws capable of being matched with the cage; and the cage is an anterior cervical interbody adjustable fusion cage, can be fixed on the steel plate via the screws, and is fixed at a proper position after being adjusted. The fine threads on the inner sides of the through holes of the steel plate are gripped with the threads on the outer sides of the heads of the bone nails, the steel plate can be stable in real time when fixed, nail withdrawing after the bone nails are implanted can be prevented by the two bone nail locking caps, the cage can be fixed on the steel plate through a middle screw, and slipping of the cage in a terminal plate after the cage is implanted can be avoided.
Description
Technical field
The present invention relates to a kind of internally-fixed steel plate system, especially a kind of anterior plate fixation cage integration internal fixation system.
Background technology
Human spine causes limbs pain and other nervous symptoms because various factors often can cause intervertebral disk hernia as heredity, wound, tumor and degeneration etc.For above-mentioned disease, employing surgery internal fixation operation is the common method for the treatment of of current medical science.At present, anterior plate fixation implants the internal fixation system that cage carries out vertebral body reconstruction after being widely used in intervertebral disc of cervical vertebra and vertebral resection, it can fix plant bone mass and skeletal grain, rise instant stable in art, the effect of postoperative long-term stability, the fusion of rebuilding vertebral body can be promoted, maintain the physiological curve of human cervical spine.
Existing anterior plate fixation is various informative, fixed effect also respectively has length, but it is whether firm after being mostly absorbed in percutaneous plate, whether cage may be absorbed in intraspinal tube, whether can produce and move back nail, rock the phenomenons such as displacement, for these problems, the various special nail that can be fixed on hone lamella better and the locking device preventing nail from moving back nail go out mutually then, but all have ignored implantation and postoperative growth recovery whether firmly this problem of cage in vertebral body reconstruction art, by internal fixation steel plate, the cage after implantation together could be fixed, prevent from caving in.
Summary of the invention
Defect described above is there is in order to solve existing internal fixation steel plate, the invention provides a kind of anterior plate fixation cage integration internal fixation system, this system not only possesses the fixed effect of conventional steel sheet and nail, cage adjustable-height and angle can also be installed and be fixed on better between soleplate.
The present invention is realized by following technological means: described system is by steel plate, nail, screw and cage composition, described steel plate is the rectangle of the mellow and full change of surrounding, steel plate longitudinal section and cross section curved, consistent with human cervical spine vertebral anatomy radian, respectively there is the through hole of inner band fine thread at steel plate four diagonal angles, by coordinating with fine thread outside bone screw head, can realize nail be screwed into after instant stabilizing effect, the locking of bone nails lid preventing nail from exiting is housed between two through hole in the width direction, after nail is screwed into place, locking cover is rotated 60 °, then nail can be pinned, anti-retaining nail phenomenon, there is the oval through hole of inner band fine thread steel plate center, steel plate is made to be in fixing ideal position by adjustment screw in the position of oval through hole, inner side fine thread and screw fit, instant stabilizing effect can be realized.
Described nail can be divided into variable-angle and the large class of fixed angle two, fixed angle nail has a cylindrical buffer district between head and screw thread, variable-angle nail then not this relief area, self tapping nail is had respectively again in described two class nails, from brill nail, common nail, self tapping nail has equally distributed three cutting edges of centrally axle at screw initial thread place, be a tip-angled shape from brill nail at screw initial thread place, common nail is then a normal screws shape at screw initial thread place, all with fine thread outside the above bone screw head, can be engaged with steel plate through hole fine thread, realize nail be screwed into after instant stabilizing effect.The above nail thread segment screw thread outside top threadingly direction of rotation have sword groove, can be fixed in sclerotin more firmly.
Described screw is with fine thread outside head, coordinating with steel plate oval place fine thread is fixed on steel plate, and screw can carry out small angle vernier adjustable along different directions, described cage is an anterior cervical vertebrae adjustable intervertebral fusion device, cage afterbody is with screwed hole, be fixed on steel plate by screw thread and screw-driving, scalable is fixing in place.
By above-mentioned technological means of the present invention, anterior plate fixation cage integration internal fixation system is ensureing the fixing plant bone mass with common cervical vertebra internal fixation steel plate, rise instant stable in art, postoperative effect steady in a long-term, promote the fusion of rebuilding vertebral body, under maintaining the various performance prerequisites such as the physiological curve of human cervical spine, more can realize cage is firmly positioned between soleplate, promote the success rate of vertebral body reconstruction, reduce the probability that implant comes off.
Accompanying drawing explanation
Fig. 1 is anterior plate fixation cage of the present invention integration internal fixation system axonometric chart.
Fig. 2 is anterior plate fixation cage of the present invention integration internal fixation system side view.
Fig. 3 is anterior plate fixation axonometric chart of the present invention.
Fig. 4 is anterior plate fixation view in transverse section of the present invention.
Fig. 5 is anterior plate fixation longitdinal cross-section diagram of the present invention.
Fig. 6 is screw front view of the present invention.
Fig. 7 is locking of bone nails lid top view of the present invention.
Fig. 8 is cage axonometric chart of the present invention.
Fig. 9 is self-taped type variable-angle nail front view of the present invention.
Figure 10 is of the present invention from brill type variable-angle nail front view.
Figure 11 is plain edition variable-angle nail front view of the present invention.
Figure 12 is self-taped type fixed angle nail front view of the present invention.
Figure 13 is of the present invention from brill type fixed angle nail front view.
Figure 14 is plain edition fixed angle nail front view of the present invention.
In figure, 1---steel plate, 1-1---the through hole of steel plate inner band fine thread, 1-2---the oval through hole of steel plate inner band fine thread;
2---nail, 2-1---bone screw head fine thread, 2-2---nail screw thread outside top threadingly direction of rotation sword groove, 2-3---self tapping nail at the cutting edge at screw initial thread place, 2-4---fixed angle nail cylindrical buffer district;
3---screw, 3-1---screw head fine thread, 3-2---screw thread position;
4---cage, 4-1---cage tailing screw flight hole;
5---locking of bone nails lid.
Detailed description of the invention
A kind of anterior plate fixation cage integration internal fixation system, it is characterized in that: described system is by steel plate 1, nail 2, screw 3 and cage4 composition, steel plate 1 four diagonal angles are respectively provided with the threaded through hole 1-1 in inner side, the locking of bone nails lid 5 preventing nail 2 from exiting is housed between two through hole 1-1 in the width direction, and there is the oval through hole 1-2 of inner band fine thread steel plate 1 center; All with fine thread 2-1 outside described nail 2 head, can be engaged with the screwed through hole 1-1 of steel plate 1, described fine thread 2-1 outside top has sword groove 2-2 along direction of rotation; Described screw 3 head arranged outside has the first screw thread 3-1, and described screw 3 lateral tail is provided with the second screw thread 3-2, and can coordinate with cage4; Described cage4 is an anterior cervical vertebrae adjustable intervertebral fusion device, and afterbody, with screwed hole 4-1, can be fixed on steel plate 1 with screw 3.
In the present embodiment, described locking of bone nails lid 5 has two, rotates 60 ° and can pin nail 2.
In the present embodiment, described steel plate 1 is the rectangle of the mellow and full change of surrounding, steel plate 1 longitudinal section and cross section curved.
In the present embodiment, described nail 2 can be divided into variable-angle nail and the large class of fixed angle nail two, and wherein fixed angle nail has a cylindrical buffer district 2-4 between head and screw thread.
In the present embodiment, described variable-angle nail and fixed angle nail are respectively arranged with self tapping nail, certainly bore nail, common nail, self tapping nail has equally distributed three the cutting edge 2-3 of centrally axle at screw initial thread place, be a tip-angled shape from brill nail at screw initial thread place, common nail is then a normal screws shape at screw initial thread place, described self tapping nail, certainly bore outside nail, common bone screw head and be provided with fine thread 2-1, can be engaged with the threaded through hole 1-1 of steel plate 1 inner band.
In the present embodiment, described self tapping nail, certainly bore nail, common nail thread segment screw thread outside top threadingly direction of rotation have sword groove 2-2.
In vertebral body reconstruction art, first reduce pressure to intervertebral disc, excision disc tissue, process soleplate, strut intervertebral space with dilator, with cage die trial, soleplate size and intervertebral height are measured, select suitable cage according to die trial size, in cage bone grafting groove, insert bone block or skeletal grain, conveniently front road mode implants cage, adjust the position of cage, pressurizing and propping device a little, makes cage chimeric with terminal plate of vertebral body, then unclamps dilator.Described cage afterbody is with screwed hole, screwed hole is towards front end, upper and lower two segment is placed in facing to vertebral body by one of described steel plate radian indent, described screw is aimed at cage tailing screw flight hole by described steel plate center waist circular hole be screwed into, steel plate is made to be positioned at the ideal position of upper and lower two segment by adjustment screw in the position at oval place, screw is firmly screwed into, described screw head surface fine thread is engaged with described steel plate oval place fine thread, oval fine thread is indent ball shape, make screw can carry out low-angle adjustment along different directions, to make the angle scalable within the specific limits between cage and steel plate, the angle of Interal fixation is applicable to the stationary state reaching cage.
After described cage is fixing, nail can be utilized by Interal fixation on vertebral body, with the correspondence position location drilling of drill bit at steel plate four through holes, then settle nail.Described nail can be divided into variable-angle and the large class of fixed angle two, fixed angle nail has a cylindrical buffer district between head and screw thread, variable-angle nail then not this relief area, utilize the spherical designs of bone screw head to carry out angle Selection by a small margin, different nails can be selected for the actual demand in operation.There is again self tapping nail in described two class nails respectively, certainly bore nail, common nail, self tapping nail has equally distributed three cutting edges of centrally axle at screw initial thread place, when adopting self tapping nail, drill bit then only need be utilized can be screwed into nail, without the need to carrying out tapping with screw tap to sclerotin in correspondence position boring; Be a tip-angled shape from brill nail at screw initial thread place, adopt and then only need beat anchor point at correspondence position and can utilize from boring nail and be directly screwed into, without the need to boring from boring nail; Common nail is then a normal screws shape at screw initial thread place, can be screwed into after needing to carry out drilling and tapping.All with fine thread outside the above bone screw head, can be engaged with steel plate through hole fine thread, realize nail be screwed into after instant stabilizing effect.The above nail thread segment screw thread outside top threadingly direction of rotation have sword groove, can be fixed in sclerotin more firmly.
After being screwed into nail, described locking of bone nails lid is rotated 60 ° can pin nail, realizes the long-time stability after nail implantation.So far, then the implantation of anterior plate fixation cage integration internal fixation system is completed.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. an anterior plate fixation cage integration internal fixation system, it is characterized in that: described system is by steel plate (1), nail (2), screw (3) and cage (4) composition, described steel plate (1) four diagonal angle is respectively provided with the threaded through hole in inner side (1-1), wherein between two through hole (1-1) in the width direction, the locking of bone nails lid (5) preventing nail (2) from exiting is housed, there is the threaded oval through hole (1-2) in inner side steel plate (1) center; All with fine thread (2-1) outside described nail (2) head, can be engaged with steel plate (1) screwed through hole (1-1), described fine thread (2-1) outside top has sword groove (2-2) along direction of rotation; Described screw (3) head arranged outside has the first screw thread (3-1), and described screw (3) lateral tail is provided with the second screw thread (3-2), and can coordinate with cage (4); Described cage (4) is an anterior cervical vertebrae adjustable intervertebral fusion device, and afterbody, with screwed hole (4-1), can be fixed on (1) on steel plate with screw (3).
2. anterior plate fixation cage integration internal fixation system according to claim 1, is characterized in that: described locking of bone nails lid (5) has two, rotates 60 ° and can pin nail (2).
3. anterior plate fixation cage according to claim 1 integration internal fixation system, is characterized in that: the rectangle that described steel plate (1) is the mellow and full change of surrounding, steel plate (1) longitudinal section and cross section curved.
4. anterior plate fixation cage integration internal fixation system according to claim 1, it is characterized in that: described nail (2) can be divided into variable-angle nail and the large class of fixed angle nail two, and wherein fixed angle nail has a cylindrical buffer district (2-4) between head and screw thread.
5. anterior plate fixation cage integration internal fixation system according to claim 4, it is characterized in that: described variable-angle nail and fixed angle nail are respectively arranged with self tapping nail, from brill nail, common nail, self tapping nail has equally distributed three cutting edges (2-3) of centrally axle at screw initial thread place, be a tip-angled shape from brill nail at screw initial thread place, common nail is then a normal screws shape at screw initial thread place, described self tapping nail, from brill nail, fine thread (2-1) is provided with outside common bone screw head, can be engaged with the threaded through hole of steel plate (1) inner band (1-1).
6. anterior plate fixation cage according to claim 5 integration internal fixation system, is characterized in that: described self tapping nail, certainly bore nail, common nail thread segment screw thread outside top threadingly direction of rotation have sword groove (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658987.0A CN105342680A (en) | 2015-10-13 | 2015-10-13 | Anterior cervical interbody steel plate cage integrated internal fixing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658987.0A CN105342680A (en) | 2015-10-13 | 2015-10-13 | Anterior cervical interbody steel plate cage integrated internal fixing system |
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| CN105342680A true CN105342680A (en) | 2016-02-24 |
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| CN201510658987.0A Pending CN105342680A (en) | 2015-10-13 | 2015-10-13 | Anterior cervical interbody steel plate cage integrated internal fixing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040240A1 (en) * | 2016-08-30 | 2018-03-08 | 北京市富乐科技开发有限公司 | Zero-incisura spinal fusion cage system |
| CN108186100A (en) * | 2018-02-09 | 2018-06-22 | 黄雁鸣 | The minimally invasive preceding road plate of Thoracolumbar disk |
| CN109381249A (en) * | 2017-08-08 | 2019-02-26 | 索尔科生物医疗株式会社 | Cervical vertebrae fixer |
| CN110025410A (en) * | 2019-05-10 | 2019-07-19 | 云南欧铂斯医疗科技有限公司 | Fixed device is merged in embedded anterior cervical vertebrae pressurization |
| CN110123432A (en) * | 2019-05-15 | 2019-08-16 | 山东新华联合骨科器材股份有限公司 | A kind of cervical bone plate system |
| WO2019200368A1 (en) * | 2018-04-13 | 2019-10-17 | Ali Innovative Spine Solutions | Interfixated cervical stabilization system |
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| CN104546231A (en) * | 2015-01-27 | 2015-04-29 | 范伟力 | Adaptive floating combined cervical interbody fusion cage |
| CN205339097U (en) * | 2015-10-13 | 2016-06-29 | 广州聚生生物科技有限公司 | Anterior cervical spine steel sheet and interior fixing system of integration ware integration |
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