CN209220460U - A kind of novel elastic internal fixation device of spine - Google Patents
A kind of novel elastic internal fixation device of spine Download PDFInfo
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- CN209220460U CN209220460U CN201821358027.8U CN201821358027U CN209220460U CN 209220460 U CN209220460 U CN 209220460U CN 201821358027 U CN201821358027 U CN 201821358027U CN 209220460 U CN209220460 U CN 209220460U
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- connecting piece
- rigid connecting
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- fixed
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- 241001347978 Major minor Species 0.000 claims description 17
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 abstract description 7
- 210000000988 bone and bone Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 6
- 206010003694 Atrophy Diseases 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 230000037444 atrophy Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 1
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010058907 Spinal deformity Diseases 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000004409 osteocyte Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of novel elastic internal fixation device of spine, it mainly include main rigid connecting piece, flexible connection piece, lateral connection piece, pedicle screw and fixed connection apparatus, fixed connection apparatus is equipped among main rigid connecting piece upper surface, fixed connection apparatus includes fixed frame, fixinig plate and fixing screws；Main rigid connecting piece Connection Bracket, fixed frame inside are equipped with fixinig plate, and fixed frame is equipped with fixing screws, and the main rigid connecting piece laterally across lateral connection piece and another fixed device of the main rigid connection on piece is attached；It is characterized by: main rigid connecting piece connects flexible connection piece by pedicle screw, the main rigid connecting piece and flexible connection piece left end are equipped with truncated cone-shaped screw hole, are partially equipped with pore structure between the pedicle screw screw thread.The advantages of the utility model: being that connection is stronger on the basis of realization operative treatment, structure is more reasonable.
Description
Technical field
The utility model relates to fixed network in flexible spinal more particularly to a kind of novel elastic internal fixation device of spine.
Background technique
It is rectified currently, spinal fixation system has been widely used in treatment thoracolumbar fracture, tumor of spine, deformity of spine
Just with the clinical treatment of various other spinal diseases for needing operative treatment, and spinal pedicle fixation is the above-mentioned disease ten for the treatment of
Divide a kind of reasonable method.A kind of elastic intrarachidian fixing device (publication number: CN201104916) disclosed in Chinese patent although
Be able to solve the fixed problem of spinal pedicle, but its there are many defects；Its 1: its be provided with elastic connection stick 4, pitman 4
Certain angle, the connector that one end has convenient for rotation can be curved on demand, the rigid section of elastic connection stick 4 is made of spring,
It is able to solve the above problem；Its defect is: in actual medical application, spring is sheltered evil people and countenance evil practices, and wound is easily caused after operation
Infection, and metainfective wound can not be cleared up, and the success rate of operation is reduced.Its 2: its be equipped with pedicle screw 3, energy
Enough play fixed function；Its defect is: in practical application, in bone repair or corrective therapy, patient is can be movable,
3 fixed function of pedicle screw on skeleton in activity is not firm, influences Rehabilitation.Its 3: its device elasticity connect
4 segmentations of taking over the baton are equipped with pedicle screw 3, are linked into an integrated entity connection by combination locking nut 5 and elastic connection stick 4；It is lacked
Falling into is: the mating part of pedicle screw 3 and elastic connection stick 4 is cylinder, in treatment in the process of Bone Defect Repari bone due to
Micro atrophy is had after just undergoing surgery, subsequently into repairing phase, Bone Defect Repari growth, such matching relationship is at bone initial stage
Occur that pedicle screw 3 and elastic connection stick 4 is be easy to cause to relatively move when micro atrophy, mating part is loosely
It leans on, influences to repair.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of novel elastic internal fixation device of spine, and being can
It is that connection is stronger on the basis of realization operative treatment, structure is more reasonable, carries out reinforcing changing on the basis of existing technology
Into the use of more convenient user is suitble to be widely popularized.
To achieve the above object, the technical solution that the utility model is taken are as follows: a kind of novel elastic internal fixation device of spine,
It mainly include main rigid connecting piece, flexible connection piece, lateral connection piece, pedicle screw and fixed connection apparatus, main rigidity connects
Fixed connection apparatus is equipped among contact pin upper surface, fixed connection apparatus includes fixed frame, fixinig plate and fixing screws；Main rigidity
Connection sheet Connection Bracket, fixed frame inside are equipped with fixinig plate, and fixed frame is equipped with fixing screws, the main rigid connection on piece
The main rigid connecting piece laterally across lateral connection piece and another fixed device be attached；It is characterized by: main rigidity connects
Contact pin connects flexible connection piece by pedicle screw, and the main rigid connecting piece and flexible connection piece left end are equipped with truncated cone-shaped spiral shell
Nail hole is partially equipped with pore structure between the pedicle screw screw thread.
Preferably, the connection of the main rigid connecting piece and flexible connection piece is that a piece of master is needed or used according to operation
Rigid connecting piece connects the connected flexible connection piece of multi-disc, or connects a piece of elasticity using the main rigid connecting piece that multi-disc is connected
Connection sheet.
Preferably, the main rigid connecting piece can also be major-minor rigid connection chip architecture, main rigid connecting piece upper surface
Centre is equipped with fixed connection apparatus, and major-minor rigid connecting piece does not have fixed connection apparatus.In actual operation can according to whether
Another fixed device of lateral connection is needed to select main rigid connecting piece or major-minor rigid connecting piece.
Preferably, the flexible connection piece uses the titanium alloy material of rectangular configuration.Flexible connection piece is rectangular configuration, phase
Than for spring structure it is simple, shape is smooth, be not easy to shelter evil people and countenance evil practices and breed bacterium, in addition, titanium alloy torsion and bending side
Surface elastic is good, can better meet actual needs.
Preferably, the upper end of the pedicle screw is equipped with U-shaped opening, and pedicle screw upper end is solid by screw thread and nut
It is fixed.By the setting of U-shaped opening, pedicle screw can be first mounted on bone, set becomes owner of rigid connecting piece or elasticity even
Contact pin, tightening nuts are fixed.
Preferably, the elastic intrarachidian fixing device further includes left fixed plug and right fixed plug, the left fixed plug and
The main rigid connecting piece of elastic intrarachidian fixing device left end connects or major-minor rigid connecting piece, the right fixed plug and bullet
Property internal fixation device of spine right end main rigid connecting piece or major-minor rigid connection.
Compared to the prior art, the utility model has the following beneficial effects: first, using rectangle by flexible connection piece
Structure, structure is simple, and shape is smooth, is not easy to shelter evil people and countenance evil practices and breeds bacterium, is more conducive to human body recovery；Using titanium alloy material
Material, elasticity is good in terms of torsion and bending, can better meet actual needs；Second, partially being set between pedicle screw screw thread
There is pore structure, the aperture of pore structure is 50 to 1200 microns, and the logical of capilary reconstruction is provided in this pore diameter range
Road and space, creeping to grow into and create good condition for osteocyte, so that pedicle screw steadily is fixed on bone,
Be conducive to human body recovery；Third, rigid connecting piece and flexible connection piece left end are equipped with truncated cone-shaped screw hole, compared to cylindrical spiral shell
For nail hole, truncated cone-shaped screw hole can either bear axial force and be able to bear radial force again, in treatment in the process of Bone Defect Repari
Bone can alleviate this micro atrophy gap due to having micro atrophy, the setting of truncated cone-shaped screw hole after just undergoing surgery；Fourth,
The present apparatus can need to adjust according to actual operation the quantity of rigid connecting piece and flexible connection piece, both can be using rigid connection
The structure of piece and the alternate connection of flexible connection piece can also first be connected using multi-disc rigid connecting piece, whole to reconnect elasticity even
Contact pin can also first be connected using more pieces of resilient connection sheet, whole to reconnect rigid connecting piece；Person more convenient to use uses,
It is suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the main rigid connecting piece schematic diagram of the utility model；
Fig. 3 is the flexible connection piece schematic diagram of the utility model；
Fig. 4 is the flexible connection piece top view of the utility model；
Fig. 5 is the face the flexible connection piece A-A cross-sectional view of the utility model；
Fig. 6 is the secondary rigid connecting piece schematic diagram of the utility model；
Fig. 7 is the pedicle screw schematic diagram of the utility model；
Fig. 8 is connection schematic diagram between the main rigid connecting piece of the utility model；
Fig. 9 is the left fixed plug schematic diagram of the utility model；
Figure 10 is the right fixed plug schematic diagram of the utility model；
In figure: 1, main rigid connecting piece；1-1, secondary rigid connecting piece；2, flexible connection piece；3, fixed frame；4, fixinig plate；
5, fixing screws；6, lateral connection piece；7, pedicle screw；8, truncated cone-shaped screw hole；9, left fixed plug；10, right fixed plug；
11, pore structure;12, fixed connection apparatus；13, nut.
Specific embodiment
To make technological means of the utility model, creating feature, reach purpose and effect is easy to understand, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-5, a kind of novel elastic internal fixation device of spine mainly includes main rigid connecting piece 1, elastic connection
Piece 2, lateral connection piece 6, pedicle screw 7 and fixed connection apparatus 12；Fixed connect is equipped among main 1 upper surface of rigid connecting piece
Connection device 12, fixed connection apparatus 12 include fixed frame 3, fixinig plate 4 and fixing screws 5；Main 1 Connection Bracket of rigid connecting piece
3, fixinig plate 4 is equipped with inside fixed frame 3, fixed frame 3 is equipped with fixing screws 5, in the main rigid connecting piece 1 laterally across
The main rigid connecting piece 1 of lateral connection piece 6 and another fixed device is attached；It is characterized by: main rigid connecting piece 1 passes through
Pedicle screw 7 connects flexible connection piece 2, and the main rigid connecting piece 1 and 2 left end of flexible connection piece are equipped with truncated cone-shaped screw hole
8, pore structure 11 is partially equipped between 7 screw thread of pedicle screw.
Wherein, the connection of the main rigid connecting piece 1 and flexible connection piece 2 is that a piece of master is needed or used according to operation
Rigid connecting piece 1 connects the connected flexible connection piece 2 of multi-disc, or is connected using the main rigid connecting piece 1 that multi-disc is connected a piece of
Flexible connection piece 2.The quantity that main rigid connecting piece 1 and flexible connection piece 2 can be needed to adjust according to actual operation, can both adopt
With the structure of main rigid connecting piece 1 and the alternate connection of flexible connection piece 2, can also first be connected using the main rigid connecting piece 1 of multi-disc,
It is whole to reconnect flexible connection piece 2, it can also first be connected using more pieces of resilient connection sheet 2, it is whole to reconnect main rigid connecting piece
1。
Wherein, it is two kinds that the main rigid connecting piece 1, which is divided to, and one is be equipped with to fix among main 1 upper surface of rigid connecting piece
Attachment device 12, another major-minor rigid connecting piece 1-1 do not have fixed connection apparatus 12.In actual operation can according to whether
Another fixed device of lateral connection is needed to select main rigid connecting piece 1 or major-minor rigid connecting piece 1-1.
Wherein, the flexible connection piece 2 uses the titanium alloy material of rectangular configuration.Flexible connection piece 2 is rectangular configuration, phase
Than for spring structure it is simple, shape is smooth, be not easy to shelter evil people and countenance evil practices and breed bacterium, in addition, titanium alloy torsion and bending side
Surface elastic is good, can better meet actual needs.
Wherein, the upper end of the pedicle screw 7 is equipped with U-shaped opening, and 7 upper end of pedicle screw passes through screw thread and nut 13
It is fixed.It is as shown in Figure 7: by the setting of U-shaped opening, pedicle screw 7 can be first mounted on bone, set is become owner of rigidity and connected
Contact pin 1 or flexible connection piece 2, tightening nuts 13 are fixed.
Wherein, the elastic intrarachidian fixing device further includes left fixed plug 9 and right fixed plug 10, the left fixed plug 9
The connection of main rigid connecting piece 1 or major-minor rigid connecting piece 1-1 with elastic intrarachidian fixing device left end, the right fixation
The main rigid connecting piece 1 or major-minor rigid connecting piece 1-1 of plug 10 and elastic intrarachidian fixing device right end.
It should be noted that the utility model is a kind of novel elastic internal fixation device of spine, and before operation carries out, Yi Shengke
It is made film according to bone fracture and schemes to select the specific constructive form of fixed device, determined and rigidly connected using main rigid connecting piece 1 or major-minor
The quantity of contact pin 1-1 and flexible connection piece 2, which position are needed using connection sheet 1 or major-minor rigid connecting piece 1-1, which
A position needs then to perform the operation using flexible connection piece 2, in use, pedicle screw 7 is first implanted into, by U-shaped opening side
Just fix pedicle screw 7 with Flathead screwdriver, then cover become owner of rigid connecting piece 1 or major-minor rigid connecting piece 1-1 with
And flexible connection piece 2, nut is tightened, need to only clamp end when needing to twist flexible connection piece 2 with medical calm can facilitate
Torsion；In order to which the stability head and the tail of device must connect main rigid connecting piece 1 or major-minor rigid connecting piece 1-1 when use, in order to
It is further ensured that cleaning, prevents bacteria breed, reinforcement structure from stablizing, left end is provided with left fixed plug 9 and right end is provided with
Right fixed plug 10.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
The only the principles of the present invention stated, under the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of novel elastic internal fixation device of spine mainly includes main rigid connecting piece (1), flexible connection piece (2), laterally connects
Contact pin (6), pedicle screw (7) and fixed connection apparatus (12), main rigid connecting piece (1) upper surface centre, which is equipped with, to be fixedly connected
Device (12), fixed connection apparatus (12) include fixed frame (3), fixinig plate (4) and fixing screws (5)；Main rigid connecting piece (1)
Connection Bracket (3), fixed frame (3) is internal to be equipped with fixinig plate (4), and fixed frame (3) is equipped with fixing screws (5), and the master is rigid
The main rigid connecting piece (1) laterally across lateral connection piece (6) and another fixed device in property connection sheet (1) is attached；
It is characterized by: main rigid connecting piece (1) passes through pedicle screw (7) connection flexible connection piece (2), the main rigid connecting piece
(1) and flexible connection piece (2) left end is equipped with truncated cone-shaped screw hole (8), and hole is partially equipped between pedicle screw (7) screw thread
Gap structure (11).
2. a kind of novel elastic internal fixation device of spine according to claim 1, it is characterised in that: the main rigid connection
The connection of piece (1) and flexible connection piece (2) connects multi-disc phase according to operation needs, or using a piece of main rigid connecting piece (1)
Flexible connection piece (2) even, or a piece of flexible connection piece (2) is connected using the main rigid connecting piece (1) that multi-disc is connected.
3. a kind of novel elastic internal fixation device of spine according to claim 1, it is characterised in that: the main rigid connection
Piece (1) or major-minor rigid connecting piece (1-1) structure, main rigid connecting piece (1) upper surface centre are equipped with fixed connection apparatus
(12), major-minor rigid connecting piece (1-1) does not have fixed connection apparatus (12).
4. a kind of novel elastic internal fixation device of spine according to claim 1, it is characterised in that: the flexible connection piece
(2) titanium alloy material of rectangular configuration is used.
5. a kind of novel elastic internal fixation device of spine according to claim 1, it is characterised in that: the pedicle screw
(7) upper end is equipped with U-shaped opening, and pedicle screw (7) upper end is fixed by screw thread and nut (13).
6. a kind of novel elastic internal fixation device of spine according to claim 1, it is characterised in that: in the flexible spinal
Fixed device further includes left fixed plug (9) and right fixed plug (10), and the left fixed plug (9) and elastic intrarachidian fixing device are most
The main rigid connecting piece (1) of left end connects or major-minor rigid connecting piece (1-1), in the right fixed plug (10) and flexible spinal
The main rigid connecting piece (1) or major-minor rigid connecting piece (1-1) of fixed device right end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358027.8U CN209220460U (en) | 2018-08-22 | 2018-08-22 | A kind of novel elastic internal fixation device of spine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358027.8U CN209220460U (en) | 2018-08-22 | 2018-08-22 | A kind of novel elastic internal fixation device of spine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209220460U true CN209220460U (en) | 2019-08-09 |
Family
ID=67497882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821358027.8U Expired - Fee Related CN209220460U (en) | 2018-08-22 | 2018-08-22 | A kind of novel elastic internal fixation device of spine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209220460U (en) |
-
2018
- 2018-08-22 CN CN201821358027.8U patent/CN209220460U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |