CN208822930U - Inferior tibiofibular joint fixator - Google Patents
Inferior tibiofibular joint fixator Download PDFInfo
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- CN208822930U CN208822930U CN201721753576.0U CN201721753576U CN208822930U CN 208822930 U CN208822930 U CN 208822930U CN 201721753576 U CN201721753576 U CN 201721753576U CN 208822930 U CN208822930 U CN 208822930U
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- nail
- sub
- mother
- female
- son
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Abstract
Inferior tibiofibular joint fixator is related to the bone plate for bone fracture, including fixing screws, that is, master and slave dowel, and the structure of the master and slave dowel is: being provided with mother's nail through-hole in mother nail body, is cavity structure in mother's nail and is provided with negative thread；It is provided with sub- nail through-hole in son nail, son, which nails on, is provided with pin thread；The negative thread of mother's nail is matched with the pin thread of son nail, and be screwed on fixation；Female head of a nail end side is provided with female nail trepanning, and sub- head of a nail end side is provided with sub- nail trepanning, and the pin thread of the sub- nail and female nail negative thread radially have certain allowance, and sub- nail is capable of forming radial fretting in mother's nail.The beneficial effects of the utility model are: design Inferior tibiofibular joint fixator, it can be fixed, reach anatomical reduction, Inferior tibiofibular joint retains certain fine motion function after fixation, not only it is avoided that broken nail, but also retains the move place in joint, to avoid generating complication risk.
Description
Technical field
The utility model relates to medical instruments, are further that the bone-knitting device for orthopaedics, especially Inferior tibiofibular joint are solid
Determine device.
Background technique
Lower tibiofibula rupture of ligament leads to Inferior tibiofibular syndesmosis split after sprained ankle, generally requires operative treatment, faces at present
Bed, which is mostly used, to be fixed in the range of 1-4cm on ankle-joint distal tibial articular surface with lag screw, but Jower tibiofibular joint is
Amphiarthrosis generally requires patient and removes fixing screws in lower ground weight-bearing activities, and many patients lead because removing screw not in time
Cause the complication such as broken nail, infection.And fixed angle needs inclined 30 ' to fix from fibula to shin bone, from back to front, faces now
The splinter bone far-end dissection steel plate of bed application, the steel plate hole within the scope of fixed Inferior tibiofibular joint is in parallel angle, therefore is being faced
The danger that angled can not enter when bed application, and have screw to be pierced by from shin bone rear, causes iatrogenic injury, reduces operation
Effect, unfavorable Rehabilitation.
, can be fixed in view of the above problems, design Inferior tibiofibular joint fixator, reach anatomical reduction, it is fixed after under
Shin calf joint retains certain fine motion function, avoids broken nail, avoids generating complication risk.
Utility model content
The purpose of the utility model is to overcome the defects of the above-mentioned prior art, provide a kind of Inferior tibiofibular joint fixator,
, can be fixed using it, reach anatomical reduction, Inferior tibiofibular joint retains certain fine motion function after fixing, and avoids broken nail, keeps away
Exempt to generate complication risk, is conducive to Rehabilitation.
The purpose of this utility model is realized by following scheme:
Inferior tibiofibular joint fixator, including fixing screws, that is, master and slave dowel, the composition of master and slave dowel include: female nail, the female head of a nail, mother
Follow closely trepanning, female nail through-hole, sub- nail, the sub- head of a nail, sub- nail trepanning, sub- nail through-hole；The structure of the master and slave dowel is: setting in mother nail body
It is equipped with mother's nail through-hole, is cavity structure in mother's nail and is provided with negative thread；It is provided with sub- nail through-hole in son nail, son, which nails on, to be provided with
Pin thread；The negative thread of mother's nail is matched with the pin thread of son nail, and be screwed on fixation；Female head of a nail end side is provided with female nail trepanning, son
Head of a nail end side is provided with sub- nail trepanning, it is characterised in that: the pin thread of the sub- nail radially has certain well-to-do with mother's nail negative thread
Degree, sub- nail are capable of forming radial fretting in mother's nail.
The utility model can also be realized further by following scheme:
Inferior tibiofibular joint fixator further includes fixation steel plate, the fixation steel plate, is divided into steel plate head end, steel plate tail end,
The all holes of single hole, diplopore, inclined hole, long hole, pin hole are provided on steel plate；Inclined hole and steel plate are longitudinally in 30 ± 2 degree of inclinations angle；It is set to
At steel plate head end 2-4cm.
The composition of the master and slave dowel further include: mother nail gasket, sub- nail gasket, mother's nail gasket are placed in mother and nail on, for female head of a nail
It is restricted；Son nail gasket is placed in son and nails on, and is restricted by the sub- head of a nail.
Length of the female nail in addition to female head of a nail is 38 millimeters, wherein 30 millimeters of front threads length, the non-threaded portion in rear portion
Dividing length is 8 millimeters；Length of the son nail in addition to female head of a nail 3 is 37 millimeters, wherein 27 millimeters of front threads length, and rear portion is non-threaded
Partial-length is 10 millimeters, and the outer diameter of mother's nail is 8 millimeters, and internal diameter is 6 millimeters, and the outer diameter of sub- nail is 6 millimeters.
The shape of female nail trepanning or son nail trepanning includes polygon, quincunx.
The shape of the gasket includes circle, ellipse, polygon, quincunx.
The beneficial effects of the utility model are: design Inferior tibiofibular joint fixator, the inclined hole and steel plate of fixation steel plate are longitudinal
In 30 ± 2 degree of inclinations angle；Can be fixed, reach anatomical reduction, Inferior tibiofibular joint retains certain micro- after fixing screws are fixed
Dynamic function is not only avoided that broken nail, but also retains the move place in joint, to avoid generating complication risk.Surgical procedure is convenient,
It resets well, it is fixed, be conducive to Rehabilitation.
In order to make those skilled in the art better understand the scheme of the utility model, and make the above-mentioned mesh of the utility model
, feature and advantage can be more obvious and easy to understand, the utility model is described in further detail below with reference to embodiment.
Detailed description of the invention
Fig. 1-3 is the utility model master and slave dowel structural schematic diagram, and Fig. 4 is the utility model steel plate structure schematic diagram, Fig. 5
For the sectional view of Fig. 3.
In figure: mother's nail 1, female head of a nail 2, female nail trepanning 3, female nail through-hole 4, female nail gasket 5, sub- nail 6, the sub- head of a nail 7, the rotation of sub- nail
Hole 8, sub- nail through-hole 9, sub- nail gasket 10, steel plate 11, steel plate head end 12, steel plate tail end 13, single hole 14, diplopore 15, inclined hole 16, length
Hole 17, pin hole 18.
Specific embodiment
As shown in Figs. 1-5, Inferior tibiofibular joint fixator, including fixing screws (master and slave dowel), fixation steel plate (spare),
In, the composition of master and slave dowel includes: female nail 1, female head of a nail 2, female nail trepanning 3, female nail through-hole 4, female nail gasket 5, sub- nail 6, the sub- head of a nail
7, sub- nail trepanning 8, sub- nail through-hole 9, sub- nail gasket 10；The structure of the master and slave dowel is: mother's nail gasket 5 is placed on female nail 1, for mother
The head of a nail 2 is restricted；It is provided with mother's nail through-hole 4 in 1 nail body of mother's nail, is cavity structure in mother's nail 1 and is provided with negative thread；Son nail pad
Piece 10 is placed on sub- nail 6, is restricted by the sub- head of a nail 7；It is provided with sub- nail through-hole mother 9(in son nail 6 and follows closely through-hole 4 and son nail through-hole 9
Effect is to facilitate perforating needle), pin thread is provided on sub- nail 6；The negative thread of mother's nail 1 is matched with the pin thread of son nail 6, is screwed on
It is fixed；Female 2 end side of the head of a nail is provided with female nail trepanning 3, screws female nail 1 for the tool by cooperating with female nail trepanning 3；The sub- head of a nail
7 end sides are provided with sub- nail trepanning 8, screw sub- nail 6 for the tool by cooperating with sub- nail trepanning 8.The pin thread of the sub- nail
Radially there is certain allowance with mother's nail negative thread, sub- nail is capable of forming radial fretting in mother's nail.
When specific production, length of mother's nail 1 in addition to female head of a nail 2 is 38 millimeters, wherein 30 millimeters of front threads length, rear portion
Unthreaded portion length is 8 millimeters；Length of the son nail 6 in addition to the sub- head of a nail 7 is 37 millimeters, wherein 27 millimeters of front threads length,
Rear portion unthreaded portion length is 10 millimeters, and the outer diameter of mother's nail 1 is 8 millimeters, and internal diameter is 6 millimeters, and the outer diameter of sub- nail 6 is 6 millimeters.
The fixation steel plate is divided into steel plate head end 12, steel plate tail end 13, and the first thick tail of steel plate is thin as seen from Figure 2, steel plate 11
On be provided with single hole 14, diplopore 15, inclined hole 16, long hole 17, pin hole 18 etc.；Fixation for screw or steel needle, wherein long hole 17
For the bit selecting and fixation of master and slave dowel, for inclined hole 16 for connecting locking (i.e. lock hole), inclined hole 16 and 11 longitudinal direction of steel plate are in 30 ± 2
Spend inclination angle；It is positioned at when use on splinter bone far-end dissection steel plate ankle-joint at 2-4cm, inclined hole 16 is turned forward 30 ± 2 degree
Angle.
There are two types of situations when operation is used:
1, without fracture of fibula, the simple situation for applying lower tibiofibula fixing screws.Simple Inferior tibiofibular syndesmosis split: it only needs
Pressurization is fixed, and female nail (shimming) of master and slave dowel is passed through by shin bone side, and sub- nail (shimming) is passed through by fibula side,
Son nail is followed closely with mother and is screwed along nail body direction.
2, with fracture of fibula, the situation using steel plate is needed.It needs row distal fibula steel plate to fix: steel plate is determined
Positioned at fibula, female nail (shimming) of master and slave dowel is passed through by shin bone side, and fixation steel plate is fixed on fibula side, sub- nail (cushioning
Piece) wear the inclined hole 16(i.e. lock hole for connecing fixation steel plate) and passed through by fibula side, sub- nail is followed closely with mother and is screwed along nail body direction, i.e.,
It can.
Since sub- nail pin thread and female nail negative thread have certain gap radially, when Jower tibiofibular joint fine motion, son
Mother's nail can cooperate fine motion.
Female nail trepanning 4 and son nail trepanning 6 are polygon or quincunx, also can choose other shapes.It is described polygon
Shape can be one kind of triangle, quadrangle, pentagon, hexagon, heptagon, octagon.It is described quincunx to can be 2 valves, 3
One kind of valve, 4 valves, 5 valves, 6 valves, 7 valves, 8 valves.
The gasket not limit shape, it can be round or ellipse or polygon or quincunx, be also possible to other
Irregular shape.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.
Claims (7)
1. Inferior tibiofibular joint fixator, including fixing screws, that is, master and slave dowel, the composition of master and slave dowel includes: female nail, female head of a nail, female nail
Trepanning, female nail through-hole, sub- nail, the sub- head of a nail, sub- nail trepanning, sub- nail through-hole；The structure of the master and slave dowel is: setting in mother nail body
There is mother's nail through-hole, is cavity structure in mother's nail and is provided with negative thread；It is provided with sub- nail through-hole in son nail, son, which nails on, is provided with sun
Screw thread；The negative thread of mother's nail is matched with the pin thread of son nail, and be screwed on fixation；Female head of a nail end side is provided with female nail trepanning, sub- nail
Cap end side is provided with sub- nail trepanning, it is characterised in that: and the pin thread of the sub- nail and female nail negative thread radially have certain allowance,
Son nail is capable of forming radial fretting in mother's nail.
2. Inferior tibiofibular joint fixator according to claim 1, it is characterised in that: Inferior tibiofibular joint fixator further includes solid
Determine steel plate, the fixation steel plate is divided into steel plate head end, steel plate tail end, be provided on steel plate single hole, diplopore, inclined hole, long hole,
The all holes of pin hole；Inclined hole and steel plate are longitudinally in 30 ± 2 degree of inclinations angle；It is set to away from steel plate head end 2-4cm.
3. Inferior tibiofibular joint fixator according to claim 1, it is characterised in that: the composition of the master and slave dowel further include:
Mother nail gasket, sub- nail gasket, mother's nail gasket are placed in mother and nail on, restricted by mother's head of a nail；Son nail gasket is placed in son and nails on, for son nail
Cap is restricted.
4. Inferior tibiofibular joint fixator according to claim 1, it is characterised in that: length of the female nail in addition to female head of a nail
It is 38 millimeters, wherein 30 millimeters of front threads length, the non-threaded length in rear portion are 8 millimeters；Length of the son nail in addition to female head of a nail is
37 millimeters, wherein 27 millimeters of front threads length, the non-threaded length in rear portion are 10 millimeters, and the outer diameter of mother's nail is 8 millimeters, and internal diameter is
6 millimeters, the outer diameter of sub- nail is 6 millimeters.
5. Inferior tibiofibular joint fixator according to claim 1, it is characterised in that: female nail trepanning or son follow closely trepanning
Shape includes polygon, quincunx.
6. Inferior tibiofibular joint fixator according to claim 5, it is characterised in that: the polygon includes triangle, four
Side shape, pentagon, hexagon, heptagon, octagon.
7. Inferior tibiofibular joint fixator according to claim 5, it is characterised in that: it is described it is quincunx include 2 valves, 3 valves, 4
Valve, 5 valves, 6 valves, 7 valves, 8 valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753576.0U CN208822930U (en) | 2017-12-15 | 2017-12-15 | Inferior tibiofibular joint fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753576.0U CN208822930U (en) | 2017-12-15 | 2017-12-15 | Inferior tibiofibular joint fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208822930U true CN208822930U (en) | 2019-05-07 |
Family
ID=66303165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721753576.0U Expired - Fee Related CN208822930U (en) | 2017-12-15 | 2017-12-15 | Inferior tibiofibular joint fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208822930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407428A (en) * | 2020-03-30 | 2020-07-14 | 山东大学齐鲁医院(青岛) | Tibiofibular joint stability detector under jaw type |
| CN114376701A (en) * | 2021-12-21 | 2022-04-22 | 长春圣博玛生物材料有限公司 | High-strength screw |
-
2017
- 2017-12-15 CN CN201721753576.0U patent/CN208822930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407428A (en) * | 2020-03-30 | 2020-07-14 | 山东大学齐鲁医院(青岛) | Tibiofibular joint stability detector under jaw type |
| CN114376701A (en) * | 2021-12-21 | 2022-04-22 | 长春圣博玛生物材料有限公司 | High-strength screw |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20191215 |