CN109646103A - A kind of upper cervical spine inner fixing device of preceding road implantation - Google Patents
A kind of upper cervical spine inner fixing device of preceding road implantation Download PDFInfo
- Publication number
- CN109646103A CN109646103A CN201910060328.5A CN201910060328A CN109646103A CN 109646103 A CN109646103 A CN 109646103A CN 201910060328 A CN201910060328 A CN 201910060328A CN 109646103 A CN109646103 A CN 109646103A
- Authority
- CN
- China
- Prior art keywords
- screw base
- gauge
- interconnecting piece
- arc
- slot
- 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.)
- Granted
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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
-
- 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
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
Abstract
The invention belongs to cervical vertebra treatment engineering device technique fields, more particularly to a kind of upper cervical spine inner fixing device of preceding road implantation, including support portion and interconnecting piece, the two sides of the upper and lower ends of the support portion are equipped with the interconnecting piece, the support portion and the interconnecting piece are integrally formed, arc link slot is offered in the end face outside of the interconnecting piece, the two sides of the arc link slot offer card slot, and being connected together on the outside of the interconnecting piece has screw base snap-gauge；Dismountable screw base snap-gauge is equipped on interconnecting piece, the link slot of arc is equipped on interconnecting piece and on screw base snap-gauge, it can be slidably connected with the arcuate projections on screw base, can according to need fine tuning setting angle so as to realize screw during installation, to meet fixed reliability, reduce screw tension, and the injury to sclerotin, and cooperation is installed simply, facilitate the progress of operation, improve therapeutic effect, practicability with higher.
Description
Technical field
The invention belongs to cervical vertebra treatment engineering device technique fields, and in particular to fixed dress in a kind of upper cervical spine of preceding road implantation
It sets.
Background technique
Cervical vertebra refers to that neck bone, cervical vertebra are located at head or less, position more than thoracic vertebrae.Cervical vertebra shares seven pieces of neck bone compositions, removes
An interverbebral disc is all accompanied outside atlas and axis, between other cervical vertebras, in addition between seventh cervical spine and first thoracic vertebra
Interverbebral disc, cervical vertebra shares 6 interverbebral discs, in addition to the 1st, the 2nd instability is special, remaining cervical vertebra and chest, waist section vertebra
It is substantially similar, it is made of basic structures such as centrum, vertebral arch, protrusions (including transverse process, lower articular are dashed forward and spinous process), centrum exists
Before, vertebral arch is rear, and the two is around vertebral foramen is collectively formed, and all vertebral foramens, which are connected, just constitutes canalis spinalis, and spinal cord just accommodates wherein, neck
Vertebra is again that volume is minimum in spinal vertebrae, but flexibility maximum, motion frequency highest, biggish segment of bearing a heavy burden.
The Chinese patent of Publication No. CN200410031131.2 propose it is a kind of suitable for preceding road implantation upper cervical spine in
Fixed device, the program fixed plate being fixed on atlas and dentata that implants are fixed by screw, but due to solid
Surely place's Plane Angle not necessarily suits with fixed plate plane, not only it cannot be guaranteed that the fastening of screw, and causes larger to sclerotin
Power influences therapeutic effect.
Summary of the invention
To solve the problems mentioned above in the background art.The present invention provides fixed in a kind of upper cervical spine of preceding road implantation
Device has the characteristics that adjustment screw fixed angle.
To achieve the above object, the invention provides the following technical scheme: a kind of upper cervical spine inner fixing device of preceding road implantation,
Including support portion and interconnecting piece, the two sides of the upper and lower ends of the support portion are equipped with the interconnecting piece, the support portion and institute
Interconnecting piece integrated molding is stated, offers arc link slot, the two sides of the arc link slot in the end face outside of the interconnecting piece
Offer card slot, being connected together on the outside of the interconnecting piece has screw base snap-gauge, the inner wall of the screw base snap-gauge offer with
The arc of the arc link slot pairing wraps up slot, slidably connects screw base between the screw base snap-gauge and interconnecting piece, institute
Stating has arcuate projections on screw base, the arcuate projections sliding is in the arc link slot and arc package slot
The middle position of wall, the screw base offers screw hole.
In order to enable being easy to observe vertebra situation, support strength is improved, as a preferred technical solution of the present invention, institute
It states and offers peep hole on the inside of support portion, the peep hole is in the narrow shape in the wide centre in both ends, and has on the outside of the support portion
Outwardly projecting curved portion.
In order to enable facilitating installation, as a preferred technical solution of the present invention, on the end face of the screw base snap-gauge
It is fixed with connecting rod, the connecting rod has barb far from one end of the screw base snap-gauge, and the barb and the arc connect
The card slot of the two sides of access slot is connected together.
In order to guarantee the strength reliability of structure, as a preferred technical solution of the present invention, the connecting rod and institute
State the integrated molding of screw base snap-gauge, the connecting rod with a thickness of three millimeters, the height of the connecting rod is five millimeters.
In order to enable guaranteeing the reliability of angular adjustment, as a preferred technical solution of the present invention, the arc connects
The inner wall smooth of access slot and arc package slot, the outer wall of the arcuate projections are smooth.
In order to enable facilitate the fixation of screw, as a preferred technical solution of the present invention, the screw base snap-gauge
Bottom offers dish-type slot.
In order to enable convenient for engaging installation, as a preferred technical solution of the present invention, the arc of the screw base snap-gauge
Degree is 0.5 π.
Compared with prior art, the beneficial effects of the present invention are: being equipped with dismountable screw base snap-gauge on interconnecting piece, even
It is equipped with the link slot of arc in socket part and on screw base snap-gauge, sliding company can be carried out with the arcuate projections on screw base
It connects, can according to need fine tuning setting angle so as to realize screw during installation, to meet fixed reliability, reduce spiral shell
Tension, and the injury to sclerotin are followed closely, and cooperation is installed simply, facilitates the progress of operation, improves therapeutic effect, have higher
Practicability.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the screw base clamp structure schematic diagram in the present invention；
Fig. 3 is screw base snap-gauge A in the present invention to structural schematic diagram；
Fig. 4 is the screw base structural schematic diagram in the present invention；
In figure: 1, support portion；2, interconnecting piece；21, arc link slot；3, peep hole；4, screw base snap-gauge；41, connecting rod；
42, barb；43, arc wraps up slot；5, screw base；51, arcuate projections；52, screw hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of upper cervical spine inner fixing device of preceding road implantation, packet
Support portion 1 and interconnecting piece 2 are included, the two sides of the upper and lower ends of support portion 1 are equipped with interconnecting piece 2,2 one of support portion 1 and interconnecting piece
It forms, offers arc link slot 21 in the end face outside of interconnecting piece 2, the two sides of arc link slot 21 offer card slot, connection
The outside in portion 2, which is connected together, screw base snap-gauge 4, and the inner wall of screw base snap-gauge 4 offers the arc with 21 pairing of arc link slot
Shape wraps up slot 43, and screw base 5 is slidably connected between screw base snap-gauge 4 and interconnecting piece 2, has arcuate projections on screw base 5
51, the inner wall of slot 43 is wrapped up in the sliding of arcuate projections 51 in arc link slot 21 and arc, and the middle position of screw base 5 opens up
There is screw hole 52.
In the present embodiment, arc link slot 21, the two sides of arc link slot 21 are offered in the end face outside of interconnecting piece 2
Card slot is offered, the barb 42 on attachment screw seat snap-gauge 4 can be used to by the card slot of 21 two sides of arc link slot, conveniently existed
To the installation of screw base 5 and screw base snap-gauge 4 in operation, the pain of patient is reduced, the outside of interconnecting piece 2 is connected together and has screw
Seat snap-gauge 4, the inner wall of screw base snap-gauge 4, which is offered, wraps up slot 43,4 He of screw base snap-gauge with the arc of 21 pairing of arc link slot
Screw base 5 is slidably connected between interconnecting piece 2, there are arcuate projections 51 on screw base 5, and arcuate projections 51 are slided in arc
The inner wall of link slot 21 and arc package slot 43, the middle position of screw base 5 offer screw hole 52, pass through arc link slot 21
The coated arc groove of a completion is formed with arc package slot 43, arcuate projections 51 can carry out in coated arc groove
Sliding, to realize that screw base 5 carries out the adjustment of angle between screw base snap-gauge 4 and interconnecting piece 2, screw can be in screw hole 52
The adjustment for carrying out angle, facilitates doctor that preferably device is fixed.
Specifically, the inside of support portion 1 offers peep hole 3, peep hole 3 is in the narrow shape in the wide centre in both ends, and support portion 1
Outside has outwardly projecting curved portion.
In the present embodiment, the inside of support portion 1 offers peep hole 3, can be convenient by peep hole 3 and observes during surgery
The case where to vertebrae, operating difficulty is reduced, peep hole 3 is in the narrow shape in the wide centre in both ends, and has on the outside of support portion 1 to evagination
The structural strength of support portion 1 can be improved in curved portion out, to realize stronger support strength with lighter material.
Specifically, be fixed with connecting rod 41 on the end face of screw base snap-gauge 4, connecting rod 41 far from screw base snap-gauge 4 one
End has barb 42, and barb 42 and the card slot of the two sides of arc link slot 21 are connected together.
In the present embodiment, connecting rod 41 is fixed on the end face of screw base snap-gauge 4, connecting rod 41 is far from screw base snap-gauge 4
One end there is barb 42, barb 42 and the card slot of the two sides of arc link slot 21 be connected together, pass through in connecting rod 41
Hook 42 can be fixed when connecting rod 41 is extend into card slot by barb 42, that is, can not be extracted after installing, be guaranteed it
Fixed reliability.
Specifically, connecting rod 41 and screw base snap-gauge 4 are integrally formed, connecting rod 41 with a thickness of three millimeters, connecting rod 41
Height be five millimeters.
In the present embodiment, connecting rod 41 and screw base snap-gauge 4 are integrally formed, connecting rod 41 with a thickness of three millimeters, connection
The height of bar 41 is five millimeters, guarantees to connect between screw base snap-gauge 4 and interconnecting piece 2 by thicker connecting rod 41 reliable
Property, guarantee the intensity of structure, improves enabling capabilities.
Specifically, the inner wall smooth of arc link slot 21 and arc package slot 43, the outer wall of arcuate projections 51 are smooth.
In the present embodiment, the inner wall smooth of arc link slot 21 and arc package slot 43, the outer wall light of arcuate projections 51
It is sliding, it is ensured that screw base 5 be free to adjust the angle between screw base snap-gauge 4 and interconnecting piece 2, be not required to apply very big
Pressure is adjusted, and reduces operating difficulty.
Specifically, the bottom of screw base snap-gauge 4 offers dish-type slot.
In the present embodiment, the bottom of screw base snap-gauge 4 offers dish-type slot, biggish space can be provided for screw, just
In screw in supraspinal fixation.
Specifically, the radian of screw base snap-gauge 4 is 0.5 π.
In the present embodiment, the radian of screw base snap-gauge 4 is 0.5 π, meets and connects between screw base snap-gauge 4 and interconnecting piece 2
Reasonable structure facilitates the assembly of device entirety.
The working principle of the invention and process for using: after the present invention installs, when vertebra is fixed, due to even
Arc link slot 21 is offered in the end face outside of socket part 2, the two sides of arc link slot 21 offer card slot, connect by arc
The card slot of 21 two sides of slot can be used to the barb 42 on attachment screw seat snap-gauge 4, convenient during surgery to screw base 5 and screw base
The installation of snap-gauge 4 reduces the pain of patient, and after the assembly is completed, device is fixed at treatment, due to having arc on screw base 5
Shape protrusion 51, the sliding of arcuate projections 51 pass through arc link slot in the inner wall of arc link slot 21 and arc package slot 43
21 and arc package slot 43 formed one completion coated arc groove, arcuate projections 51 can in coated arc groove into
Row sliding, to realize that screw base 5 carries out the adjustment of angle between screw base snap-gauge 4 and interconnecting piece 2, screw can in screw hole 52
To carry out the adjustment of angle, facilitate doctor that preferably device is fixed.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of upper cervical spine inner fixing device of preceding road implantation, it is characterised in that: described including support portion (1) and interconnecting piece (2)
The two sides of the upper and lower ends of support portion (1) are equipped with the interconnecting piece (2), the support portion (1) and the interconnecting piece (2) one
It forms, is offered arc link slot (21) in the end face outside of the interconnecting piece (2), the two sides of the arc link slot (21) are opened
Equipped with card slot, being connected together on the outside of the interconnecting piece (2) has screw base snap-gauge (4), and the inner wall of the screw base snap-gauge (4) is opened
Equipped with wrapping up slot (43) with the arc of arc link slot (21) pairing, between the screw base snap-gauge (4) and interconnecting piece (2)
It slidably connects screw base (5), there are arcuate projections (51) on the screw base (5), arcuate projections (51) sliding
In the inner wall of the arc link slot (21) and arc package slot (43), the middle position of the screw base (5) offers spiral shell
Hole (52).
2. a kind of upper cervical spine inner fixing device of preceding road implantation according to claim 1, it is characterised in that: the support portion
(1) it is offered on the inside of peep hole (3), the peep hole (3) is in the narrow shape in the wide centre in both ends, and on the outside of the support portion (1)
With outwardly projecting curved portion.
3. a kind of upper cervical spine inner fixing device of preceding road implantation according to claim 1, it is characterised in that: the screw base
It is fixed on the end face of snap-gauge (4) connecting rod (41), the connecting rod (41) has far from one end of the screw base snap-gauge (4)
Barb (42), the barb (42) and the card slot of the two sides of the arc link slot (21) are connected together.
4. a kind of upper cervical spine inner fixing device of preceding road implantation according to claim 3, it is characterised in that: the connecting rod
(41) with the screw base snap-gauge (4) be integrally formed, the connecting rod (41) with a thickness of three millimeters, the connecting rod (41)
Height is five millimeters.
5. a kind of upper cervical spine inner fixing device of preceding road implantation according to claim 1, it is characterised in that: the arc connects
The inner wall smooth of access slot (21) and arc package slot (43), the outer wall of the arcuate projections (51) are smooth.
6. a kind of upper cervical spine inner fixing device of preceding road implantation according to claim 1, it is characterised in that: the screw base
The bottom of snap-gauge (4) offers dish-type slot.
7. a kind of upper cervical spine inner fixing device of preceding road implantation according to claim 1, it is characterised in that: the screw base
The radian of snap-gauge (4) is 0.5 π.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060328.5A CN109646103B (en) | 2019-01-22 | 2019-01-22 | Upper cervical vertebra internal fixation device implanted in anterior approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060328.5A CN109646103B (en) | 2019-01-22 | 2019-01-22 | Upper cervical vertebra internal fixation device implanted in anterior approach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109646103A true CN109646103A (en) | 2019-04-19 |
| CN109646103B CN109646103B (en) | 2021-10-29 |
Family
ID=66119338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910060328.5A Active CN109646103B (en) | 2019-01-22 | 2019-01-22 | Upper cervical vertebra internal fixation device implanted in anterior approach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109646103B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388160A (en) * | 2020-03-27 | 2020-07-10 | 青岛大学附属医院 | Medical lumbar vertebra nursing device |
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| US20020151899A1 (en) * | 2001-04-17 | 2002-10-17 | Bailey Kirk J. | Anterior cervical plating system |
| CN200984227Y (en) * | 2006-12-01 | 2007-12-05 | 深圳清华大学研究院 | Non-groove type universal rotating-in type inner fixator in front of cervical vertebra |
| CN101932285A (en) * | 2008-01-30 | 2010-12-29 | Ebi有限责任公司 | Bone plate system |
| CN101972163A (en) * | 2010-11-10 | 2011-02-16 | 熊鹰 | Combined compression locking type anterior cervical resetting fixture |
| CN102293681A (en) * | 2011-08-25 | 2011-12-28 | 尚鹏 | Rotary stop type anterior cervical inner fixing device |
| US8858604B2 (en) * | 2008-08-06 | 2014-10-14 | The University Of Toledo | Cervical plate assembly |
| CN204121148U (en) * | 2014-10-16 | 2015-01-28 | 浙江科惠医疗器械有限公司 | A kind of anterior plate fixation ball screw hole screw locking device |
| CN104921794A (en) * | 2015-07-13 | 2015-09-23 | 赵刘军 | Lower cervical spine anterior pedicle screw matching fixing device |
| US9364272B2 (en) * | 2004-04-19 | 2016-06-14 | Globus Medical, Inc. | Bone fixation plate |
| CN106420026A (en) * | 2016-11-15 | 2017-02-22 | 温州医科大学附属第二医院 | Fixer special for repairing lumbar disc herniation |
-
2019
- 2019-01-22 CN CN201910060328.5A patent/CN109646103B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020151899A1 (en) * | 2001-04-17 | 2002-10-17 | Bailey Kirk J. | Anterior cervical plating system |
| US9364272B2 (en) * | 2004-04-19 | 2016-06-14 | Globus Medical, Inc. | Bone fixation plate |
| CN200984227Y (en) * | 2006-12-01 | 2007-12-05 | 深圳清华大学研究院 | Non-groove type universal rotating-in type inner fixator in front of cervical vertebra |
| CN101932285A (en) * | 2008-01-30 | 2010-12-29 | Ebi有限责任公司 | Bone plate system |
| US8858604B2 (en) * | 2008-08-06 | 2014-10-14 | The University Of Toledo | Cervical plate assembly |
| CN101972163A (en) * | 2010-11-10 | 2011-02-16 | 熊鹰 | Combined compression locking type anterior cervical resetting fixture |
| CN102293681A (en) * | 2011-08-25 | 2011-12-28 | 尚鹏 | Rotary stop type anterior cervical inner fixing device |
| CN204121148U (en) * | 2014-10-16 | 2015-01-28 | 浙江科惠医疗器械有限公司 | A kind of anterior plate fixation ball screw hole screw locking device |
| CN104921794A (en) * | 2015-07-13 | 2015-09-23 | 赵刘军 | Lower cervical spine anterior pedicle screw matching fixing device |
| CN106420026A (en) * | 2016-11-15 | 2017-02-22 | 温州医科大学附属第二医院 | Fixer special for repairing lumbar disc herniation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388160A (en) * | 2020-03-27 | 2020-07-10 | 青岛大学附属医院 | Medical lumbar vertebra nursing device |
| CN111388160B (en) * | 2020-03-27 | 2022-03-01 | 青岛大学附属医院 | Medical lumbar vertebra nursing device |
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| Publication number | Publication date |
|---|---|
| CN109646103B (en) | 2021-10-29 |
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