CN207575220U - A kind of children's Injury of Epiphyseal Plate fixing device - Google Patents
A kind of children's Injury of Epiphyseal Plate fixing device Download PDFInfo
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- CN207575220U CN207575220U CN201720405927.2U CN201720405927U CN207575220U CN 207575220 U CN207575220 U CN 207575220U CN 201720405927 U CN201720405927 U CN 201720405927U CN 207575220 U CN207575220 U CN 207575220U
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- plate
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- fixing device
- teeth
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Abstract
The utility model is related to children's epiphyseal plate technical fields,Specially a kind of children's Injury of Epiphyseal Plate fixing device,The pressing plate is composed of a fixed connection by two isoceles triangle plate bases,The outer set square of the pressing plate mutually is abutted against to form cone,The inner cavity of the smooth nail is plugged with piston rod,One end of the piston rod reaches the outside of smooth nail through limiting plate,The other end of piston rod is fixedly connected with head rod corresponding with pressing plate,The one end of the top plate far from piston rod is connected with multiple protrusions,The top plate is connected with cam close to one end of piston rod,The cam is connected with multiple teeth far from convex block side is equidistant,The inner ring of the cam is plugged with bearing,The inner ring of the bearing is plugged with the fixed link for being fixed on smooth nail inner wall,Rack corresponding with teeth is connected on the piston rod,And rack corresponding with teeth is located at the left side of teeth.The utility model has the characteristics that simple in structure, easy for assemble or unload, sound construction.
Description
Technical field
The utility model is related to children's epiphyseal plate technical field, specially a kind of children's Injury of Epiphyseal Plate fixing device.
Background technology
Injury of Epiphyseal Plate is the distinctive damage type of children, and due to the particularity of children's epiphyseal plate, plain screw can not pass through epiphysis
Plate, Interal fixation can not cross over epiphyseal plate, epiphyseal plate can be caused to block, and can only use smooth Kirschner wire fixation, be using smooth kirschner
Needle is fixed directly through epiphyseal plate, but since children's nature is active, it is easy to so that Kirschner wire misplaces, reduce epiphyseal plate and repair
Multiple speed causes epiphyseal plate reparation to misplace when serious, influence in all one's life of children, one kind to be disclosed in PCT/US2005/020157
Deformable bone fixation device, the device include multiple almost sphericals, on be installed with screw screw accommodate component, from each screw accommodate
Extend a connection component in component；One linking arm is not that the long axis accommodated along screw between component extends, but along length
Next to axis side extends, and screw accommodates component and is connected on linking arm by connection component, and this structure has number of drawbacks：Component
More, complicated, assembling needs multiple steps, in addition, cannot be only around long axis torsion device, and this torsion is typically required
's；A kind of bone external fixer and its application method disclosed in CN101028209A, the device include retainer ring, supporting rod,
Nut, Kirschner wire and fixture of threading a needle pass through bone by Kirschner wire, reach outside skin, then by two clamping rings and
Kirschner wire fixation, this structure are had number of drawbacks by multiple supporting rods：Component is more, and great burden is brought to injury,
Complicated, assembling needs multiple steps, and activity is obstructed.For this purpose, a kind of it is proposed that children's Injury of Epiphyseal Plate fixing device.
Invention content
The purpose of this utility model is to provide a kind of children's Injury of Epiphyseal Plate fixing device, to solve in above-mentioned background technology
The problem of proposition.Children's Injury of Epiphyseal Plate fixing device has the characteristics that simple in structure, easy for assemble or unload, sound construction.
To achieve the above object, the utility model provides following technical solution：
On the one hand the utility model provides a kind of children's Injury of Epiphyseal Plate fixing device, including steel plate, the side wall lower ends of steel plate
Through connection, there are two lock screws, and there are three smooth nails through connection for the sidewall upper of the steel plate.
Preferably, the smooth nail selects smooth Kirschner wire.
As an improvement, the utility model also provides a kind of children's Injury of Epiphyseal Plate fixing device, including steel plate, the side wall of steel plate
Through connection, there are two lock screws for lower end, and there are three smooth nail, the smooth nails through connection for the sidewall upper of the steel plate
In hollow structure, the smooth nail is connected with limiting plate close to one end of steel plate, and the described smooth one end of nail far from steel plate is hinged
There are multiple pressing plates, the pressing plate is composed of a fixed connection by two isoceles triangle plate bases, and the outer set square of the pressing plate is mutual
It is abutted against to form cone, and multiple first threaded holes is offered on outer set square, the inner cavity of the smooth nail is plugged with piston
Bar, one end of the piston rod reach the outside of smooth nail through limiting plate, and the other end of piston rod is fixedly connected with and pressing plate
Corresponding head rod, the other end of the head rod are hinged with the second connecting rod, second connecting rod it is another
End is hinged with set square inside in pressing plate；
The upper and lower ends of the smooth nail offer multiple through-holes on along its length, the side wall of the through-hole passes through spring
Top plate is connected with, the one end of the top plate far from piston rod is connected with multiple protrusions, and the top plate is lived close to one end of piston rod
Dynamic to be connected with cam, the cam is connected with multiple teeth far from convex block side is equidistant, and the inner ring of the cam is plugged with axis
It holds, the inner ring of the bearing is plugged with the fixed link for being fixed on smooth nail inner wall, is connected on the piston rod corresponding with teeth
Rack, and rack corresponding with teeth is located at the left side of teeth.
Preferably, the smooth nail is set, and angle is acute angle with lock screw in angle.
Preferably, the quantity more than three of the pressing plate, and pressing plate is distributed in a ring, two in the pressing plate set square
The angle formed is at an acute angle.
Preferably, the quantity of the through-hole is more than four, and through-hole is isodistantly spaced arrangement.
Preferably, the quantity of the protrusion is more than 12, and protrusion is arranged in matrix, and protrusion is in convex structure.
Preferably, the distance between the corresponding rack and teeth are more than the length of head rod, and less than the
One connecting rod connect the sum of pole length with second.
Preferably, the teeth are using the center line of CAM profiles as symmetry axis symmetry arrangement, and the angle that teeth are formed
Less than 180 degree.
Preferably, the overall diameter of smooth nail is 2mm, interior diameter 1.5mm.
Compared with prior art, the beneficial effects of the utility model are：
This children Injury of Epiphyseal Plate fixing device is directly used in distal tibial fracture, and three pieces of smooth nails of top can be direct
Across epiphyseal plate, without damaging epiphyseal plate, steel plate does not have to, across epiphyseal plate, epiphyseal plate will not be caused to block, increasing more apparent than Kirschner wire fixation
Add stability.
As improved children's Injury of Epiphyseal Plate fixing device, steel plate is placed on children's Injury of Epiphyseal Plate position, will be locked
Screw is passed through in percutaneous plate epiphysis, then pushes limiting plate by smooth nail across percutaneous plate to metaphysis, promotion piston rod,
Pressing plate is bulldozed by head rod and the second connecting rod, bolt passes through the first threaded hole to fix smooth nail with impaired epiphysis
Connection, while piston rod is pushed, rack moves, and when the lower section for being moved to cam, is engaged with teeth, band moving cam
Top plate is ejected, increases the frictional force with dry epiphysis, increase stability, protrusion increases and dry epiphysis by rotation, the convex block of cam
Contact surface, significantly improve stability, when injury repair complete, bolt is backed out, pull piston rod, pressing plate to it is smooth nail receive
Contracting, rack are detached from teeth, and top plate is retracted under the action of spring restoring force in through-hole, stirs limiting plate and lock screw, i.e.,
Dismountable, convenient for disassembly and assembly, the utility model has the characteristics that simple in structure, easy for assemble or unload, sound construction.
Description of the drawings
Fig. 1 is the utility model first embodiment structure diagram；
Fig. 2 a are the utility model first embodiment scheme of installation one；
Fig. 2 b are the utility model first embodiment scheme of installation two；
Fig. 3 is the non-mounting structure schematic diagram of the utility model second embodiment；
Fig. 4 installs fixed structure schematic diagram for the utility model second embodiment；
Fig. 5 is the utility model second embodiment A portions enlarged structure schematic diagram；
Fig. 6 is the utility model second embodiment B portions enlarged structure schematic diagram；
Fig. 7 is the utility model second embodiment C portions enlarged structure schematic diagram；
Fig. 8 is the utility model second embodiment D portions enlarged structure schematic diagram；
Fig. 9 is the utility model steel plate side structure schematic view；
Figure 10 is the utility model second embodiment E-E cross section structure schematic diagrams；
In figure：1 steel plate, 2 racks, 3 lock screws, 4 smooth nails, 5 limiting plates, 6 piston rods, 61 head rods, 62
Two connecting rods, 7 pressing plates, 71 first threaded holes, 8 through-holes, 9 top plates, 10 springs, 11 protrusions, 12 cams, 13 bearings, 14 are fixed
Bar, 15 teeth.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment 1
A kind of children's Injury of Epiphyseal Plate fixing device, such as Fig. 1, Fig. 2 a, Fig. 2 b, shown in Fig. 9, including steel plate 1, the side of steel plate 1
Through connection, there are two lock screws 3 for wall lower end, and there are three smooth nails 4 through connection for the sidewall upper of steel plate 1, and smooth nail 4 can
Smooth Kirschner wire is selected, lock screw is the common lock screw of orthopaedics.
In use, steel plate 1 is placed on children's Injury of Epiphyseal Plate position, two lock screws are parallel to epiphyseal plate implantation epiphysis
Interior, smooth nail, into angle, metaphysis is placed to by epiphyseal plate with epiphyseal plate.Children's Injury of Epiphyseal Plate fixing device of the present embodiment, directly
Connect for distal tibial fracture, three pieces of smooth nails of top can directly through epiphyseal plate, without damaging epiphyseal plate, steel plate do not have to across
More epiphyseal plate will not cause epiphyseal plate to block, increase stability more apparent than Kirschner wire fixation.
Embodiment 2
A kind of children's Injury of Epiphyseal Plate fixing device, as shown in figs. 3-10, including steel plate 1, the side wall lower ends of steel plate 1 are through company
It connects there are two lock screw 3, the sidewall upper of steel plate 1 follows closely 4 through connection there are three smooth, and smooth nail 4 is in hollow structure, light
Sliding nail 4 is connected with limiting plate 5 close to one end of steel plate 1, and 4 one end far from steel plate 1 of smooth nail are hinged with multiple pressing plates 7, pressing plate 7
It is composed of a fixed connection by two isoceles triangle plate bases, the outer set square of pressing plate 7 is mutually abutted against to form cone, and outer three
Multiple first threaded holes 71 are offered on gusset, the inner cavity of smooth nail 4 is plugged with piston rod 6, and one end of piston rod 6 is through limiting
Plate 5 reaches the outside of smooth nail 4, the other end of piston rod 6 be fixedly connected with 7 corresponding head rod 61 of pressing plate, first
The other end of connecting rod 61 is hinged with the second connecting rod 62, the other end and the set square inside in pressing plate 7 of the second connecting rod 62
It is hinged；
The upper and lower ends of smooth nail 4 offer multiple through-holes 8 on along its length, the side wall of through-hole 8 is connected by spring 10
Top plate 9 is connected to, the one end of top plate 9 far from piston rod 6 is connected with multiple raised 11, and top plate 9 is close to the activity of one end of piston rod 6
It is connected with cam 12, cam 12 is connected with multiple teeth 15 far from convex block side is equidistant, and the inner ring of cam 12 is plugged with bearing
13, the inner ring of bearing 13 is plugged with the fixed link 14 for being fixed on 4 inner walls of smooth nail, is connected on piston rod 6 corresponding with teeth 15
Rack 2, and be located at 15 corresponding rack 2 of teeth the left side of teeth 15.
Specifically, the smooth nail 4 is set, and angle is acute angle with lock screw 3 in angle.
Specifically, the quantity more than three of pressing plate 7, and pressing plate 7 is distributed in a ring, two in pressing plate 7 set square is formed
Angle it is at an acute angle.
Specifically, the quantity of through-hole 8 is more than four, and through-hole 8 is isodistantly spaced arrangement.
Specifically, the quantity of protrusion 11 is more than 12, and protrusion 11 is arranged in matrix, and protrusion 11 is in convex structure,
Arc-shaped protects well when being contacted with dry epiphysis, it is not caused to damage.
Specifically, the distance between corresponding rack 2 and teeth 15 are more than the length of head rod 61, and less than the
The sum of 62 length of one connecting rod 61 and the second connecting rod so that when promotion piston rod 6 opens pressing plate 7, teeth 15 are nibbled with rack 2
It closes.
Specifically, teeth 15 are using the center line of 12 convex block of cam as symmetry axis symmetry arrangement, and the angle that teeth 15 are formed
Less than 180 degree, convenient for moving up and down for top plate 9.
Specifically, the overall diameter of smooth nail 4 is 2mm, interior diameter 1.5mm.
Children's Injury of Epiphyseal Plate fixing device of the present embodiment not only has 1 all advantages of embodiment, but also steel plate 1 is put
It puts at children's Injury of Epiphyseal Plate position, lock screw 3 is implanted into across steel plate 1 in epiphysis, then push limiting plate 5 by smooth nail 4
Metaphysis is implanted to across steel plate 1, piston rod 6 is pushed, is bulldozed pressing plate 7 by 61 and second connecting rod 62 of head rod,
Bolt passes through the first threaded hole 71 to be fixedly connected with smooth nail 4 with impaired epiphysis, and while piston rod 6 are pushed, rack 2 is therewith
It is mobile, it when the lower section for being moved to cam 12, is engaged with teeth 15, band moving cam 12 rotates, and the convex block of cam 12 pushes up top plate 9
Go out, increase the frictional force with dry epiphysis, more increase stability, protrusion 11 increases the contact surface with dry epiphysis, improves steady
It is qualitative, when injury repair completion, bolt is backed out, pulls piston rod 6, pressing plate 7 is shunk to smooth nail 4, and rack 2 is detached from teeth
15, top plate 9 is retracted under the action of 10 restoring force of spring in through-hole 8, stirs limiting plate 5 and lock screw 3, you can it removes,
Convenient for disassembly and assembly, the utility model has the characteristics that simple in structure, easy for assemble or unload, sound construction.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of children's Injury of Epiphyseal Plate fixing device, including steel plate (1), there are two lock through connection for the side wall lower ends of steel plate (1)
Determine screw (3), it is characterised in that：There are three smooth nails (4) through connection for the sidewall upper of the steel plate (1).
A kind of 2. children's Injury of Epiphyseal Plate fixing device according to claim 1, which is characterized in that smooth nail (4) choosing
With smooth Kirschner wire.
3. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 1, which is characterized in that smooth follow closely (4) are in
Hollow structure, the smooth nail (4) are connected with limiting plate (5) close to one end of steel plate (1), and the smooth nail (4) is far from steel plate
(1) one end is hinged with multiple pressing plates (7), and the pressing plate (7) is composed of a fixed connection by two isoceles triangle plate bases, the pressure
The outer set square of plate (7) is mutually abutted against to form cone, and multiple first threaded holes (71), institute are offered on outer set square
The inner cavity for stating smooth nail (4) is plugged with piston rod (6), and one end of the piston rod (6) reaches smooth nail through limiting plate (5)
(4) outside, the other end of piston rod (6) are fixedly connected with head rod (61) corresponding with pressing plate (7), and described first connects
The other end of extension bar (61) is hinged with the second connecting rod (62), the other end of second connecting rod (62) in pressing plate (7) to
Interior set square is hinged；
The upper and lower ends of the smooth nail (4) offer multiple through-holes (8) on along its length, the side wall of the through-hole (8) leads to
It crosses spring (10) and is connected with top plate (9), the one end of the top plate (9) far from piston rod (6) is connected with multiple raised (11), described
Top plate (9) is connected with cam (12) close to one end of piston rod (6), and the cam (12) is far from the equidistant company in convex block side
Multiple teeth (15) are connected to, the inner ring of the cam (12) is plugged with bearing (13), and the inner ring of the bearing (13) is plugged with admittedly
The fixed link (14) of smooth nail (4) inner wall is scheduled on, rack (2) corresponding with teeth (15) is connected on the piston rod (6), and
Rack (2) corresponding with teeth (15) is positioned at the left side of teeth (15).
4. a kind of children's Injury of Epiphyseal Plate fixing device according to Claims 2 or 3, it is characterised in that：The smooth nail (4)
It is set, and angle is acute angle in angle with lock screw (3).
5. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The number of the pressing plate (7)
More than three is measured, and pressing plate (7) is distributed in a ring, the angle that two set squares in the pressing plate (7) are formed is at an acute angle.
6. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The number of the through-hole (8)
Amount is more than four, and through-hole (8) is isodistantly spaced arrangement.
7. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The number of the protrusion (11)
Amount is more than 12, and raised (11) arrange in matrix, and raised (11) are in convex structure.
8. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The corresponding rack
(2) it is more than the length of head rod (61) with the distance between teeth (15), and connects less than head rod (61) and second
The sum of extension bar (62) length.
9. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The teeth (15) are with convex
The center line for taking turns (12) convex block is symmetry axis symmetry arrangement, and the angle that teeth (15) are formed is less than 180 degree.
10. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The smooth nail (4)
Overall diameter is 2mm, interior diameter 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720405927.2U CN207575220U (en) | 2017-04-18 | 2017-04-18 | A kind of children's Injury of Epiphyseal Plate fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720405927.2U CN207575220U (en) | 2017-04-18 | 2017-04-18 | A kind of children's Injury of Epiphyseal Plate fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207575220U true CN207575220U (en) | 2018-07-06 |
Family
ID=62718104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720405927.2U Expired - Fee Related CN207575220U (en) | 2017-04-18 | 2017-04-18 | A kind of children's Injury of Epiphyseal Plate fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207575220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963468A (en) * | 2017-04-18 | 2017-07-21 | 中国人民解放军总医院 | A kind of children's Injury of Epiphyseal Plate fixing device |
-
2017
- 2017-04-18 CN CN201720405927.2U patent/CN207575220U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963468A (en) * | 2017-04-18 | 2017-07-21 | 中国人民解放军总医院 | A kind of children's Injury of Epiphyseal Plate fixing device |
| CN106963468B (en) * | 2017-04-18 | 2023-08-29 | 中国人民解放军总医院 | Child epiphyseal plate damage fixing device |
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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: 20180706 Termination date: 20200418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |