CN104287818B - Length-adjustable vertebral plate - Google Patents
Length-adjustable vertebral plate Download PDFInfo
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- CN104287818B CN104287818B CN201410593869.1A CN201410593869A CN104287818B CN 104287818 B CN104287818 B CN 104287818B CN 201410593869 A CN201410593869 A CN 201410593869A CN 104287818 B CN104287818 B CN 104287818B
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- connecting portion
- groove
- length
- plate
- vertebral plate
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- 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
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
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- Molecular Biology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Prostheses (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
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- Vascular Medicine (AREA)
Abstract
The invention discloses a length-adjustable vertebral plate. The length-adjustable vertebral plate comprises a first split plate and a second split plate, wherein the first split plate comprises a first supporting portion and a first connecting portion, the second split plate comprises a second supporting portion and a second connecting portion, the first connecting portion and the second connecting portion are connected in a clamping mode or connected and fixed through a connecting piece, and two or more connecting and fixing positions are reserved between the first connecting portion and the second connecting portion. The length-adjustable vertebral plate realizes length adjustment, greatly reduces preparation amount, relieves the burden of a patient, and meanwhile reduces waste of resources.
Description
Technical field
The present invention relates to auxiliary implement used by posterior cervical Occipitocervical fussion, more particularly to a kind of length-adjustable vertebral plate.
Background technology
At present, posterior cervical Laminoplasty is a kind of more conventional modus operandi for treating cervical spondylosiss,
Need to use cervical vertebra plate in which.Due to the individual variation of patient, every time the cervical vertebra plate length needed for operation is different, existing
Cervical vertebra plate includes multiple specifications, with every two mm length difference as a specification difference, generally to need in operation standby
The cervical vertebra plate of three kinds of specifications.This mode causes production firm and logistics stock preparation more, and hospital inventory and circulation also increase,
Production and management cost are this adds increased, medical treatment cost is objectively improved, making patients also result in greatly while burden
Waste, therefore industry be badly in need of solve the problem.
The content of the invention
For problems of the prior art, the purpose of the present invention is to provide a kind of simple structure, easy to operate and solid
Fixed reliable length-adjustable vertebral plate.
For achieving the above object, technical scheme is as follows：
A kind of length-adjustable vertebral plate, including first point of plate and quarter stuff, first point of plate includes the first supporting part
And first connecting portion, the quarter stuff include the second supporting part and second connecting portion, the first connecting portion and described second
Clamping or it is connected by connector between connecting portion, and the connection between the first connecting portion and the second connecting portion
Fixed position is two or more.
Further, the first connecting portion includes elastic draw-in groove, arranges oriented described on the wall of elastic draw-in groove one
Projection in the two or more that elastic draw-in groove convex is stretched, the second connecting portion includes elastic snap arm, the elastic snap arm and institute
State elastic draw-in groove to match, and two or more external groove is provided with the arm face of the elastic snap arm correspondence interior projection, it is described
External groove matches with the interior projection.
Further, before and after two between arbitrary external groove and arbitrary interior projection in mating surface, wherein being simultaneously
The guiding face of relative motion between the interior projection and the external groove is guided, another side is outer with described to limit the interior projection
The thrust surface of relative motion between groove.
Further, the external groove is right-angled trapezium with the section of the interior projection.
Further, the wall that the elastic draw-in groove arranges the interior projection is suspended wall.
Further, the elastic snap arm middle part is provided with the groove for extending longitudinally, so as to the elastic snap arm be divided into
The connected part in the only end of left and right two.
Further, screwed hole is provided with the first connecting portion, the first strip hole is provided with the second connecting portion,
So that a connection piece can head be pressed against the side plane of the first strip hole two, bar portion is through first strip hole with even described
Screwed hole.
Further, the second strip hole is additionally provided with the first connecting portion, the width of second strip hole is less than institute
State the first strip hole.
Further, more than one screw hole is provided with first supporting part and second supporting part, and it is described
Screw hole is ball-and-socket type hole.
Further, first point of plate can for medical titanium, titanium alloy, rustless steel or biology with the material of the quarter stuff
Absorbing material, the bioabsorbable material is selected from polylactic acid, poly-epsilon-caprolactone, Poly(D,L-lactide-co-glycolide, poly- hydroxyl
One kind in the biological absorbable high polymer such as alkanoic acid ester.
The invention has the advantages that：
The vertebral plate of the present invention adopts Split type structure, using first point of plate and quarter stuff, wherein first connecting portion and second
The position two or more that is connected of connecting portion, so as to cause overall vertebral plate length to send out when first point of plate is connected with quarter stuff
Changing, and the simple structure, easy to operate and fixed reliable using clamping or by way of connector fixation, therefore this
The bright adjustable length for having conveniently realized vertebral plate, stock amount greatly reduces, and patient burden also reduces resource while decline
Waste.
Description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is a kind of length-adjustable vertebral plate first embodiment dimensional structure diagram of the present invention；
Fig. 2 is a kind of length-adjustable vertebral plate first embodiment cross section structure diagram of the present invention；
Fig. 3 is first point of plate dimensional structure diagram in a kind of length-adjustable vertebral plate first embodiment of the present invention；
Fig. 4 is first point of plate cross section structure diagram in a kind of length-adjustable vertebral plate first embodiment of the present invention；
Fig. 5 is quarter stuff dimensional structure diagram in a kind of length-adjustable vertebral plate first embodiment of the present invention；
Fig. 6 is a kind of length-adjustable dimensional structure diagram of vertebral plate first embodiment length adjustment state one of the present invention；
Fig. 7 is a kind of length-adjustable main structure diagram of vertebral plate first embodiment length adjustment state one of the present invention；
Fig. 8 is a kind of length-adjustable dimensional structure diagram of vertebral plate first embodiment length adjustment state two of the present invention；
Fig. 9 is a kind of length-adjustable main structure diagram of vertebral plate first embodiment length adjustment state two of the present invention；
Figure 10 is first point of plate dimensional structure diagram in a kind of length-adjustable vertebral plate second embodiment of the present invention；
Figure 11 is quarter stuff dimensional structure diagram in a kind of length-adjustable vertebral plate second embodiment of the present invention；
Figure 12 is a kind of length-adjustable dimensional structure diagram of vertebral plate second embodiment length adjustment state one of the present invention；
Figure 13 is a kind of length-adjustable dimensional structure diagram of vertebral plate second embodiment length adjustment state two of the present invention；
Figure 14 is the connecting-piece structure schematic diagram used in a kind of length-adjustable vertebral plate second embodiment of the present invention.
Specific embodiment
Embodying feature of present invention will describe in detail in the following description with the exemplary embodiments of advantage.It should be understood that this
Invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and it is therein explanation and
Accompanying drawing inherently is illustrated as being used, and is not used to limit the present invention.
The length-adjustable vertebral plate of the present invention, including first point of plate and quarter stuff, first point of plate includes the first supporting part
And first connecting portion, quarter stuff include the second supporting part and second connecting portion, block between first connecting portion and second connecting portion
Connect or fixed by connector, and position is connected for two or more between first connecting portion and second connecting portion.This kind
Split type structure can pass through to adjust the link position between first connecting portion and second connecting portion, adjust first point of plate and second point
The link position of plate, so as to change the length of overall vertebral plate.Below, for convenience of deeply dissecting to the structure of the present invention, spy combines
Two specific embodiments are made to launch explanation.
First embodiment
The vertebral plate structure of the present embodiment as depicted in figs. 1 and 2, including first point of plate 1 and quarter stuff 2.Wherein, first point
Plate 1 includes the first supporting part 11 and first connecting portion 12, for convenience of processing generally first supporting part 11 and first connecting portion 12
Between be formed as one；Quarter stuff 2 include the second supporting part 21 and second connecting portion 22, usual this second for convenience of processing
It is formed as one between support part 21 and second connecting portion 22.Screw hole is machined with first supporting part 11 and the second supporting part 21
10, as needed the quantity of the screw hole 10 on the first supporting part 11 and the second supporting part 21 can be one, two and three,
It is two shown in figure in the present embodiment.For convenience of coordinating with screw head, the screw hole 10 is ball-and-socket type hole.Usual first
Supporting part 11 is parallel or coplanar with the supporting surface of the second supporting part 21, thus the overall structure of the vertebral plate of the present invention be broken line type or
Yi word pattern, is broken line type as depicted in the present embodiment.In the present embodiment, the making material of first point of plate 1 and quarter stuff 2
Can be any one in medical titanium, titanium alloy, rustless steel and bioabsorbable material, the bioabsorbable material is selected from poly- breast
The biology such as sour (PLA), poly-epsilon-caprolactone (PCL), Poly(D,L-lactide-co-glycolide (PLGA), PHA (PHA) can
Absorb high polymer material.
As shown in Figure 3 and Figure 4, first connecting portion 12 includes elastic draw-in groove to the structure of first point of plate 1 in the present embodiment
120.The elastic draw-in groove 120 is a rectangular channel, and openings are opposite with the first supporting part 11.Shown in the figure of elastic draw-in groove 120
Upper wall surface on be provided with interior projection 124, the quantity of the interior projection 124 is 3, and bearing of trend is into elastic draw-in groove 120
Protrude out, be formed with inner groovy 125 in office two between projection 124.In the left and right sides of the upper wall surface 121 of elastic draw-in groove 120
Two grooves 122,123 are opened up along longitudinal direction, two groove 122,123 is passed through in elastic draw-in groove 120 from lateral surface, and two grooves
122nd, 123 length are identical, make the upper wall surface 121 become a suspended wall with this, therefore the upper wall surface 121 has certain elasticity.
The structure of quarter stuff 2 is as shown in figure 5, second connecting portion 22 includes elastic snap arm 220 in the present embodiment, elasticity
Snap arm 220 is string configuration, is mutually equipped with elastic draw-in groove 120 and stretches in elastic draw-in groove 120.The section face of elastic snap arm 220
Less than the section of second connecting portion 22, the middle part of elastic snap arm 220 is provided with the groove 223 for extending longitudinally to product, so as to by elasticity
220 points of snap arm is the only connected parts in end of left and right two, so that two parts are respectively provided with higher elasticity, and can form two
Clip structure, improves the reliability of first connecting portion 12 and the clamping of second connecting portion 22.The projection in the correspondence of elastic snap arm 220
3 outer projections 222 are also equipped with 124 arm face, and (it is to coordinate inner groovy 125 that herein the quantity of outer projection 222 determines
If forming external groove 221 between two outer projection 222 in office, the external groove 221 matches with interior projection 124, to form mutual clamping
Structure.
In the present embodiment, before and after two between arbitrary external groove 221 and arbitrary interior projection 124 in mating surface, wherein one side
For guiding face, another side is thrust surface.Concrete machine-shaping for convenience, the external groove 221 is directly with the section of interior projection 124
Angle is trapezoidal.The structure can realize that first connecting portion 12 is unidirectionally slided when connecting and fixing with second connecting portion 22, change and coordinate shape
State, so as to change vertebral plate entire length.Actually, or two sides is the structure of guiding face, i.e. two mating surfaces and is tiltedly
Face, and the shape can change according to actual needs, be not limited to inclined-plane, such as and cambered surface is also possible.
As shown in Fig. 6-Fig. 9, Fig. 6 and Fig. 7 shows the first length change state, Fig. 8 to length change in the present embodiment
Second length change state is shown with Fig. 9.Generally for existing uniform specification, external groove 221 coordinates with interior projection 124
Length is 2mm, namely often adjusts two millimeters of a length change, and three kinds of different length adjustment can be realized in the present embodiment, is adjusted
Whole scope is 0-6mm.Certain specification is simultaneously non-fully limited, and mono- specification of 2mm is not limited in practical operation, it is also possible to 1mm
One specification, deisgn product structure according to specific needs, and also adjusting range is not limited to 6mm.
This structure is for can not bone grafting structure, but it is also possible to be designed as can bone grafting structure, first connecting portion can with middle fluting,
Bone screw may pass through, fixed plant bone mass.
Second embodiment
In the present embodiment, as shown in Figure 12 and Figure 13, the vertebral plate of the present invention similarly includes first point of plate 1 and quarter stuff
2, making material can be any one in medical titanium, titanium alloy, rustless steel and bioabsorbable material, the biological absorbable material
Material is selected from polylactic acid (PLA), poly-epsilon-caprolactone (PCL), Poly(D,L-lactide-co-glycolide (PLGA), PHA
(PHA) the biological absorbable high polymer material such as.The quantity of the screw hole 10 on the first supporting part 11 and the second supporting part 21 can be with
It is one, two and three, is two shown in figure in the present embodiment.Coordinate with screw head for convenience, the screw hole 10
For ball-and-socket type hole.Usual first supporting part 11 is parallel or coplanar with the supporting surface of the second supporting part 21, therefore the vertebral plate of the present invention
Overall structure be broken line type or yi word pattern, be broken line type as depicted in the present embodiment.
In the present embodiment, as shown in Figure 10, screwed hole 126 is provided with the first connecting portion 12 of first point of plate 1, such as Figure 11
It is shown, the first strip hole 226 is provided with the second connecting portion 22 of quarter stuff 2.The structure of connector 3 in the present embodiment
As shown in figure 14, the connector 3 can be screw or nut.With reference to Figure 10 and Figure 11, the bar portion of the connector 3 is through the first length
Two side planes of the first strip hole 226 are pressed against with even screwed hole 126, the head for tightening rear connectors 3 in bar hole 226 so that first
Connecting portion 12 links together with second connecting portion 22.When needing to adjust length, unscrew the connector 3, and along the first strip
Hole 226 moves to correct position, and connector 3 is then tightened again, so as to complete a length adjustment.Its adjustment state, with reference to figure
Shown in 12 and Figure 13, the first connecting portion 12 when diverse location state is shown in two figure is tied with the connection of second connecting portion 22
Structure.
In addition, in the present embodiment, the vertebral plate for convenience of the present invention is connected with fixed plant bone mass, in first connecting portion 12
The second strip hole 127 is additionally provided with, the width of the second strip hole 127 is less than the first strip hole 226, by screw during facilitating fixed
By the first strip hole 226, and head of screw is set to be pressed against two side planes of the second strip hole 127.
In sum, vertebral plate of the invention adopts Split type structure, using first point of plate 1 and quarter stuff 2, wherein first connects
The position two or more that is connected of socket part 12 and second connecting portion 22, so as to make when first point of plate 1 is connected with quarter stuff 2
Overall vertebral plate length changes, and simple structure by the way of fixing using clamping or by connector 3, it is easy to operate and
It is fixed reliable, therefore the present invention has conveniently realized the adjustable length of vertebral plate, stock amount greatly reduces, and it is same that patient burden declines
When also reduce the waste of resource.
Technical scheme is disclosed as above by preferred embodiment.Artisan will appreciate that not taking off
The change made in the case of the scope and spirit of the present invention disclosed in appended claims of the invention and retouching, belong to
Within the scope of the claims of the present invention.
Claims (5)
1. a kind of length-adjustable vertebral plate, it is characterised in that including first point of plate and quarter stuff, first point of plate includes the
One supporting part and first connecting portion, the quarter stuff include the second supporting part and second connecting portion, the first connecting portion with
Connect and fix between the second connecting portion, and the position that is connected between the first connecting portion and the second connecting portion
For two or more, the first connecting portion includes elastic draw-in groove, on the wall of elastic draw-in groove one the oriented elasticity is arranged
Projection in the two or more protruded out in draw-in groove, the left and right sides of the upper wall surface of the elastic draw-in groove offers two grooves along longitudinal direction,
It is suspended wall that the elastic draw-in groove arranges the wall of the interior projection；The second connecting portion includes elastic snap arm, the elasticity
Snap arm matches with the elastic draw-in groove, and it is outer recessed to be provided with two or more on the arm face of the elastic snap arm correspondence interior projection
Groove, the external groove matches with the interior projection；The elastic snap arm middle part is provided with the groove for extending longitudinally, so as to by institute
State elastic snap arm and be divided into the connected part in the only end of left and right two, on two parts the external groove is respectively arranged with.
2. length-adjustable vertebral plate as claimed in claim 1, it is characterised in that arbitrary external groove and arbitrary convex
Before and after between block two in mating surface, wherein guiding of the one side for relative motion between the guiding interior projection and the external groove
Face, another side is the thrust surface for limiting relative motion between the interior projection and the external groove.
3. length-adjustable vertebral plate as claimed in claim 2, it is characterised in that the section of the external groove and the interior projection
It is right-angled trapezium.
4. the length-adjustable vertebral plate as described in claim 1-3 is arbitrary, it is characterised in that first supporting part and described
More than one screw hole is provided with two supporting parts, and the screw hole is ball-and-socket type hole.
5. the length-adjustable vertebral plate as described in claim 1-3 is arbitrary, it is characterised in that first point of plate and described second
The material for dividing plate is medical titanium, titanium alloy, rustless steel or bioabsorbable material, and the bioabsorbable material is selected from poly- breast
One kind in acid, poly-epsilon-caprolactone, Poly(D,L-lactide-co-glycolide, PHA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593869.1A CN104287818B (en) | 2014-10-29 | 2014-10-29 | Length-adjustable vertebral plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593869.1A CN104287818B (en) | 2014-10-29 | 2014-10-29 | Length-adjustable vertebral plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104287818A CN104287818A (en) | 2015-01-21 |
| CN104287818B true CN104287818B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410593869.1A Active CN104287818B (en) | 2014-10-29 | 2014-10-29 | Length-adjustable vertebral plate |
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| CN (1) | CN104287818B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101651591B1 (en) * | 2014-11-17 | 2016-08-30 | (주)시지바이오 | Spacer for laminoplasty |
| CN105266877A (en) * | 2015-11-26 | 2016-01-27 | 广州聚生生物科技有限公司 | Spinal column vertebral plate open-door fixing system |
| CN105411662A (en) * | 2015-12-31 | 2016-03-23 | 四川大学华西医院 | Self-locking micro steel plate fixing device for forming cervical posterior vertebral plate without screws |
| CN108158655A (en) * | 2018-01-25 | 2018-06-15 | 上海长征医院 | For the navigator fix device fixing device of anterior cervical operation |
| CN109223149B (en) * | 2018-11-13 | 2024-02-27 | 常州集硕医疗器械有限公司 | Combined vertebral plate fixing plate device |
| CN113040889B (en) * | 2021-03-25 | 2022-08-02 | 西安市红会医院 | Bone fracture plate fixing system matched with bone healing process |
| CN114469462B (en) * | 2022-04-08 | 2022-07-05 | 北京大学第三医院（北京大学第三临床医学院） | Self-stabilizing atlantoaxial fusion cage |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106949A (en) * | 2004-12-01 | 2008-01-16 | 新特斯有限责任公司 | Unidirectional translation system for bone fixation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040019353A1 (en) * | 2002-02-01 | 2004-01-29 | Freid James M. | Spinal plate system for stabilizing a portion of a spine |
| US7621914B2 (en) * | 2004-10-28 | 2009-11-24 | Biodynamics, Llc | Adjustable bone plate |
| US7776070B2 (en) * | 2006-08-02 | 2010-08-17 | Warsaw Orthopedic, Inc. | Occipital plating systems and methods |
| WO2009039430A1 (en) * | 2007-09-19 | 2009-03-26 | Stout Medical Group, L.P. | Implantable support device and method of use |
| WO2009042653A1 (en) * | 2007-09-25 | 2009-04-02 | Synthes (U.S.A.) | Transconnector |
| DE102007052315B4 (en) * | 2007-10-31 | 2012-01-26 | Max Hauser Süddeutsche Chirurgiemechanik GmbH | Surgical clamp |
| CN201727571U (en) * | 2010-06-07 | 2011-02-02 | 刘鸿箫 | Median incision connector for breastbone |
| CN201804136U (en) * | 2010-09-10 | 2011-04-20 | 中航光电科技股份有限公司 | Optical fiber connector component |
| CN202776522U (en) * | 2012-07-16 | 2013-03-13 | 苏州吉美瑞医疗器械有限公司 | Proximal tibia osteotomy supporting plate |
| CN203699771U (en) * | 2014-03-03 | 2014-07-09 | 愚公机械股份有限公司 | Pre-tightness self-adjusting steel wire rope rigging |
| CN204092160U (en) * | 2014-10-29 | 2015-01-14 | 刘忠军 | A kind of length-adjustable vertebral plate |
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- 2014-10-29 CN CN201410593869.1A patent/CN104287818B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106949A (en) * | 2004-12-01 | 2008-01-16 | 新特斯有限责任公司 | Unidirectional translation system for bone fixation |
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| CN104287818A (en) | 2015-01-21 |
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