CN209490073U - A kind of fracture of neck of talus neck of talus universal locking device - Google Patents
A kind of fracture of neck of talus neck of talus universal locking device Download PDFInfo
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- CN209490073U CN209490073U CN201821748858.6U CN201821748858U CN209490073U CN 209490073 U CN209490073 U CN 209490073U CN 201821748858 U CN201821748858 U CN 201821748858U CN 209490073 U CN209490073 U CN 209490073U
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- neck
- talus
- sticking department
- fracture
- spherical surface
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Abstract
The utility model discloses a kind of fracture of neck of talus neck of talus universal locking devices, including several screws and for the first sticking department and the second sticking department respectively with the astragalus neck at veins of tarsal sinus position on the outside of neck of talus and astragalus body surface Limited contact, by for being fixedly connected with the interconnecting piece of Limited contact on the outside of fracture of neck of talus position between first sticking department and the second sticking department, interconnecting piece is towards astragalus veins of tarsal sinus position outside in cambered surface, each sticking department is equipped at least two and the screw can be allowed to pass through and protrude into the adjustment hole in bone, each adjustment hole is the structure that screw can be allowed to pass through with multiple angles.Fracture of neck of talus neck of talus universal locking device provided by the utility model plays good fixed function to fracture of neck of talus, and the angle that screw enters in bone can adjust according to the actual situation, convenient for the more preferably fixed position of selection.
Description
Technical field
The utility model relates to astragalus fixed equipment fields more particularly to a kind of fracture of neck of talus neck of talus universal lock to fill
It sets.
Background technique
Astragalus and distal tibial, fibula lower end collectively constitute ankle-joint, become the maximum weight-bearing joints of human body.Fracture of talus
It is with local swelling, pain, subcutaneous ecchymosis, walking etc. cannot be stood as the astragalus portion fracture mainly showed.Fracture of talus is less
See, mostly weighed wounded by direct violence or is hurt by high falling indirect extrusion.
At present after fracture of talus, general is horizontally through fracture site by hollow screw and is fixed, and does not use
Support plate.When the part bone impingement, although there is no comminuted fracture on the inside of astragalus, adjoint it can also be crushed on the outside of astragalus
Property fracture, enough supports can not be played by depending hollow screw alone.Therefore, it is necessary to design it is a kind of the astragalus of fracture can be played it is good
The device of good fixed function.
Utility model content
The purpose of the utility model is to provide a kind of fracture of neck of talus neck of talus universal locking devices, to fracture of talus portion
The inner side and outer side of position can play good fixed function, and the angle that screw enters in bone can be adjusted according to the actual situation
It is whole, convenient for the more preferably fixed position of selection.
To achieve the above object, the utility model provides a kind of fracture of neck of talus neck of talus universal locking device, if including
Dry root screw and for respectively with the astragalus neck at veins of tarsal sinus position on the outside of neck of talus and astragalus body surface Limited contact
One sticking department and the second sticking department, by for having with fracture of neck of talus position outside between the first sticking department and the second sticking department
The interconnecting piece of limit contact is fixedly connected, and interconnecting piece is in cambered surface towards astragalus veins of tarsal sinus position outside, and each sticking department is equipped with extremely
Few two can allow the screw to pass through and protrude into the adjustment hole in bone, and each adjustment hole is that screw can be allowed with multiple angle
Spend across structure.
The adjustment hole includes spherical surface counter sink, the opening of spherical surface counter sink as a further improvement of the utility model,
On end face of the sticking department far from astragalus surface, the screw includes head of screw and screw rod, and head of screw is equipped with heavy with spherical surface
The compatible spherical surface of head bore, the bottom of spherical surface counter sink, which is equipped with, can allow screw rod and spherical surface counter sink coaxial line to arrange but also allow spiral shell
The bar through-hole in a certain angle with respect at least one direction of spherical surface countersunk head axially bored line.
As the further improvement of the utility model, the axis of the screw and the maximum angle of spherical surface countersunk head axially bored line
It is 5-20 °, the axis of screw and the minimum angle of spherical surface countersunk head axially bored line are 0.
As the further improvement of the utility model, the through-hole includes arranging and running through with spherical surface counter sink coaxial line
The main through-hole of first sticking department or the second sticking department, through-hole further include autonomous through-hole side wall radially outwardly extending at least one
Regulating tank, regulating tank one end are located on spherical surface counter sink, the other end is located at the first sticking department or the second sticking department be used for away from
On the end face of bone contact, the width of main through-hole and regulating tank is adapted with the diameter of screw rod.
As the further improvement of the utility model, the through-hole is circular hole, and the cross section for having a diameter larger than screw rod is straight
Diameter, the adjustment hole further include the circular cone face with spherical surface counter sink coaxial line arrangement, the bottom through-hole and circle of spherical surface counter sink
The lesser one end of conical surface bore dia is connected, and the biggish one end of circular conical surface bore dia is located at end of the sticking department for contacting with astragalus
On face.
As the further improvement of the utility model, first sticking department and the second sticking department are in a strip shape, each
Adjustment hole orientation on sticking department is identical as the extending direction of sticking department.
As the further improvement of the utility model, the sticking department is in bar shaped plate structure.
As the further improvement of the utility model, the extending direction of first sticking department and the second sticking department is inclined
To in the same side of interconnecting piece.
As the further improvement of the utility model, direction on first sticking department, the second sticking department and interconnecting piece
Multiple grooves are evenly equipped on the end face of astragalus.
Beneficial effect
Compared with prior art, the advantages of the fracture of neck of talus neck of talus universal locking device of the utility model are as follows:
1, in use, since sticking department and connecting portion are on the outside of fracture of talus position, can be to fracture of talus position outside
Side has the part of comminuted fracture to be also supported, in addition, the screw for passing through sticking department is squeezed into astragalus, thus by fracture of talus
Positioning is fixed in the bone of position two sides, and since adjustment hole can allow screw to pass through with multiple angles, in use, medical care people
Member can select screw to pierce the angle of bone according to the actual conditions of patient's fracture site, avoid the screw portion of screw from astragalus
Ligament is exposed or touches on other surfaces, guarantees fixed effect；Its adjustable angle by increasing screw, realizes a rule
The fracture of neck of talus neck of talus universal locking device of lattice is applicable to multiple patients, without that will carry out individual character for each patient
Change design, reduce cost, and can complete to perform the operation as early as possible, reduces the Principle of Pain time；Two sticking departments and interconnecting piece are and astragalus
Surface Limited contact, the position not contacted will not influence blood fortune；
2, adjustment hole includes spherical surface counter sink, and the head of screw of screw is equipped with spherical surface compatible with spherical surface counter sink, allows
After screw rod passes through the through-hole of spherical surface counter sink bottom, head of screw can carry out multidirectional deflection in spherical surface counter sink；
3, more by being equipped on end face towards astragalus of sticking department and interconnecting piece since astragalus surface is not substantially flat
A groove, to realize Limited contact, it is ensured that the blood flow at the position not contacted is normal；
4, interconnecting piece includes a first crossbar, a second crossbar and two braces, and the triangular structure formed can
To reinforce the stability of entire fracture of neck of talus neck of talus universal locking device, make to preferably support is played on the outside of fracture site
With；
5, neck of talus anatomic form designs, without pre-bending or a small amount of pre-bending in art；
6, sticking department and interconnecting piece can use integrally formed metal or highstrenghtpiston's structure, be conducive to reduce thick
Degree, incisura is lower, component corner rounding off, and corner angle are not present, and reduces astragalus soft tissue excitation.
Through the following description and in conjunction with the attached drawings, the utility model will become more fully apparent, these attached drawings are for explaining this
The embodiment of utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the location diagram of two sticking departments and astragalus in embodiment 1；
Fig. 2 is the front view of the first sticking department in embodiment 1；
Fig. 3 is the A-A direction view in Fig. 2；
Fig. 4 is the structural schematic diagram of screw；
Fig. 5 is the fiting relation figure of screw and adjustment hole in embodiment 1；
Fig. 6 is the main view of sticking department and interconnecting piece in embodiment 2；
Fig. 7 is the B-B direction view in Fig. 6；
Fig. 8 is the main view of sticking department and interconnecting piece in embodiment 3；
Fig. 9 is the usage state diagram of fracture of neck of talus neck of talus universal locking device in embodiment 3.
Specific embodiment
The embodiments of the present invention are described referring now to the drawings.
Embodiment 1
Specific embodiment of the present utility model such as Fig. 1 to Fig. 5 shows, a kind of fracture of neck of talus neck of talus universal lock dress
It sets, including several screws 5 and for having respectively with the astragalus neck at veins of tarsal sinus position on the outside of neck of talus and astragalus body surface
The first sticking department 1 and the second sticking department 8 for limiting contact, by being used for and neck of talus between the first sticking department 1 and the second sticking department 8
The interconnecting piece 2 of Limited contact is fixedly connected on the outside of fracture site, and interconnecting piece 2 is towards the end face on the outside of astragalus veins of tarsal sinus position in arc
Face, each sticking department 1 are equipped at least two and screw 5 can be allowed to pass through and protrude into the adjustment hole in bone, and each adjustment hole is
The structure that screw 5 can be allowed to pass through with multiple angles.
In the present embodiment, adjustment hole includes spherical surface counter sink 3, and the opening of spherical surface counter sink 3 is located at sticking department 1 far from astragalus
On the end face on surface, screw 5 includes head of screw 51 and screw rod 52, and head of screw 51 is equipped with ball compatible with spherical surface counter sink 3
Face, the bottom of spherical surface counter sink 3, which is equipped with, can allow screw rod 52 and 3 coaxial line of spherical surface counter sink to arrange but also allow screw rod 52 with respect to ball
At least one direction of 3 axis of face counter sink through-hole in a certain angle.
The axis of screw 5 and the maximum angle of 3 axis of spherical surface counter sink are 5-20 °, the axis and spherical surface counter sink of screw 5
The minimum angle of 3 axis is 0.
Through-hole includes arranging with 3 coaxial line of spherical surface counter sink and through the first sticking department 1 or the main through-hole of the second sticking department 8
31, through-hole further includes autonomous 31 side wall of through-hole radially outwardly extending at least one regulating tank 32,32 one end of regulating tank position
In on spherical surface counter sink 3, the other end is located at the end face that the first sticking department 1 or the second sticking department 8 are used to contact with astragalus, main logical
The width of hole 31 and regulating tank 32 is adapted with the diameter of screw rod 52.The number of regulating tank 32 in the present embodiment, on each through-hole
Amount is four and is evenly distributed with around main 31 axis of through-hole.The quantity of regulating tank 32 on each through-hole may be one, two
Or three.
Since the position majority of fracture of talus is in the lesser part in astragalus section, i.e., at neck of talus, the part bone surface
In inner concavity, therefore, interconnecting piece 2 is also in that bending could closely connect with the bone of fracture site two sides towards the end face of astragalus
Touching.The surface of two sticking departments and interconnecting piece 2 uses designed arc-shaped appearance, reduces astragalus soft tissue excitation.In the present embodiment, each locking
There are two adjustment holes in portion.Two sticking departments and 2 three of interconnecting piece are the molding component of integral type, and metal can be used (such as
Steel plate) or high-intensitive plastics.
The extending direction of first sticking department 1 and the second sticking department 8 is partial to the same side of interconnecting piece 2.First sticking department
1, on the second sticking department 8 and interconnecting piece 2 towards being evenly equipped with multiple grooves 9 on the end face of astragalus.
Embodiment 2
As shown in Figure 6 and Figure 7, through-hole is circular hole, has a diameter larger than the cross-sectional diameter of screw rod 52, adjustment hole further include with
The circular cone face 4 of 3 coaxial line of spherical surface counter sink arrangement, the bottom through-hole and 4 diameter of circular cone face lesser one of spherical surface counter sink 3
End is connected, and one end that circular cone face 4 is relatively large in diameter is located at end face of the sticking department 1 for contacting with astragalus.
First sticking department 1 and the second sticking department 8 are in a strip shape, adjustment hole orientation and sticking department on each sticking department
Extending direction it is identical.Specifically, sticking department 1 is in bar shaped plate structure.
In above-described embodiment, on each sticking department can also there are three or more adjustment hole.
Embodiment 3
As shown in Figure 8 and Figure 9, difference from example 1 is that, each sticking department includes at least two cloth arranged side by side
The cylindrical body set is connected by connecting plate 13 between adjacent two cylindrical body, and each cylindrical body is equipped with a coaxial line cloth
The adjustment hole set.Specifically, each cylindrical body on the first sticking department 1 includes first cylindrical body 11 and second cylindrical body
12, the first cylindrical body 11 is located at one end of the first sticking department 1.Each cylindrical body on second sticking department 8 includes a third cylinder
Body 81 and the 4th cylindrical body 82, third cylindrical body 81 are located at one end of the second sticking department 8, and interconnecting piece 2 is round with first respectively
Cylinder 11 is connected with the side wall of third cylindrical body 81.
Interconnecting piece 2 includes 21, second crossbars 23 of a first crossbar and two braces 22,21 both ends of first crossbar point
It is not connect with the first cylindrical body 11 and third cylindrical body 81, two 22 one end of brace are connected with each other, wherein a brace 22 is another
End connect with one end of the first cylindrical body 11 and first crossbar 21 simultaneously, the other end of another brace 22 and meanwhile with third cylindrical body
81 connect with the other end of first crossbar 21, and 23 both ends of second crossbar are connect with the middle part of two braces 22 respectively.Two braces
22 ends being connected are located on two sticking departments between two connecting plates 13, and support effect is more preferable.First sticking department 1, second lock
Determine to be not provided on portion 8 and interconnecting piece 2 towards multiple grooves 9 can be equipped on the end face of astragalus.
In use, since two sticking departments and interconnecting piece 2 are located at 7 outside of fracture site of astragalus 6, it can be to fracture of talus portion
7 outside of position has the part of comminuted fracture to be also supported, in addition, the screw 5 for passing through two sticking departments is squeezed into astragalus 6, thus
Positioning is fixed in the bone of 7 two sides of fracture of talus position, and since adjustment hole can allow screw 5 to pass through with multiple angles,
In use, medical staff can select screw 5 to pierce the angle of bone according to the actual conditions of patient's fracture site, screw 5 is avoided
Screw rod 52 from the other surfaces of astragalus 6 expose, guarantee fixed effect, also avoid because screw rod 52 expose bone surface due to influence to suffer from
The locomitivity of person.
The 4th cylindrical body 82 on the second cylindrical body 12 and the second sticking department 8 in above-described embodiment, on the first sticking department 1
Quantity may be at least two.
Combine most preferred embodiment that the utility model is described above, but the utility model is not limited to above take off
The embodiment shown, and modification, equivalent combinations that various essence according to the present utility model carry out should be covered.
Claims (9)
1. a kind of fracture of neck of talus neck of talus universal locking device, which is characterized in that including several screws (5) and for distinguishing
It is locked with the astragalus neck at veins of tarsal sinus position on the outside of neck of talus and the first sticking department (1) of astragalus body surface Limited contact and second
Determine portion (8), between the first sticking department (1) and the second sticking department (8) by for Limited contact on the outside of fracture of neck of talus position
Interconnecting piece (2) be fixedly connected, towards being in cambered surface on the outside of astragalus veins of tarsal sinus position, each sticking department (1) is equipped with interconnecting piece (2)
At least two can allow the screw (5) to pass through and protrude into the adjustment hole in bone, and each adjustment hole is that can allow screw (5)
The structure passed through with multiple angles.
2. a kind of fracture of neck of talus neck of talus universal locking device according to claim 1, which is characterized in that the adjusting
Hole includes spherical surface counter sink (3), and the opening of spherical surface counter sink (3) is located on the end face on sticking department (1) separate astragalus surface, described
Screw (5) includes head of screw (51) and screw rod (52), and head of screw (51) is equipped with spherical surface counter sink (3) compatible spherical surface,
The bottom of spherical surface counter sink (3), which is equipped with, can allow screw rod (52) and spherical surface counter sink (3) coaxial line to arrange but also allow screw rod (52)
Opposite spherical surface counter sink (3) at least one direction of axis through-hole in a certain angle.
3. a kind of fracture of neck of talus neck of talus universal locking device according to claim 2, which is characterized in that the screw
(5) maximum angle of axis and spherical surface counter sink (3) axis is 5-20 °, the axis and spherical surface counter sink (3) axis of screw (5)
The minimum angle of line is 0.
4. a kind of fracture of neck of talus neck of talus universal locking device according to claim 2 or 3, which is characterized in that described
Through-hole includes arranging with spherical surface counter sink (3) coaxial line and through the first sticking department (1) or the main through-hole of the second sticking department (8)
(31), through-hole further includes autonomous through-hole (31) side wall radially outwardly extending at least one regulating tank (32), regulating tank
(32) one end is located on spherical surface counter sink (3), and the other end is located at the first sticking department (1) or the second sticking department (8) is used for and astragalus
On the end face of contact, the width of main through-hole (31) and regulating tank (32) is adapted with the diameter of screw rod (52).
5. a kind of fracture of neck of talus neck of talus universal locking device according to claim 2 or 3, which is characterized in that described
Through-hole is circular hole, has a diameter larger than the cross-sectional diameter of screw rod (52), and the adjustment hole further includes coaxial with spherical surface counter sink (3)
The circular cone face (4) of line arrangement, the bottom through-hole of spherical surface counter sink (3) are connected with circular cone face (4) lesser one end of diameter,
One end that circular cone face (4) is relatively large in diameter is located at the end face of sticking department (1) for contacting with astragalus.
6. a kind of fracture of neck of talus neck of talus universal locking device according to claim 1, which is characterized in that described first
Sticking department (1) and the second sticking department (8) are in a strip shape, the extension side of adjustment hole orientation and sticking department on each sticking department
To identical.
7. a kind of fracture of neck of talus neck of talus universal locking device according to claim 6, which is characterized in that the locking
Portion (1) is in bar shaped plate structure.
8. a kind of fracture of neck of talus neck of talus universal locking device according to claim 6, which is characterized in that described first
The extending direction of sticking department (1) and the second sticking department (8) is partial to the same side of interconnecting piece (2).
9. a kind of fracture of neck of talus neck of talus universal locking device according to claim 1, which is characterized in that described first
Towards being evenly equipped with multiple grooves (9) on the end face of astragalus on sticking department (1), the second sticking department (8) and interconnecting piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821748858.6U CN209490073U (en) | 2018-10-26 | 2018-10-26 | A kind of fracture of neck of talus neck of talus universal locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821748858.6U CN209490073U (en) | 2018-10-26 | 2018-10-26 | A kind of fracture of neck of talus neck of talus universal locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209490073U true CN209490073U (en) | 2019-10-15 |
Family
ID=68141853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821748858.6U Active CN209490073U (en) | 2018-10-26 | 2018-10-26 | A kind of fracture of neck of talus neck of talus universal locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209490073U (en) |
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2018
- 2018-10-26 CN CN201821748858.6U patent/CN209490073U/en active Active
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