CN109259840A - 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
- Publication number
- CN109259840A CN109259840A CN201811259272.8A CN201811259272A CN109259840A CN 109259840 A CN109259840 A CN 109259840A CN 201811259272 A CN201811259272 A CN 201811259272A CN 109259840 A CN109259840 A CN 109259840A
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- Prior art keywords
- neck
- talus
- sticking department
- fracture
- spherical surface
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- 210000004233 talus Anatomy 0.000 title claims abstract description 107
- 241001061264 Astragalus Species 0.000 claims abstract description 44
- 235000006533 astragalus Nutrition 0.000 claims abstract description 44
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 14
- 210000003462 vein Anatomy 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 208000010392 Bone Fractures Diseases 0.000 description 30
- 206010017076 Fracture Diseases 0.000 description 30
- 208000024779 Comminuted Fractures Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 206010014080 Ecchymosis Diseases 0.000 description 1
- 208000032912 Local swelling Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000000544 articulatio talocruralis Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000002082 fibula Anatomy 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention 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 invention 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 present invention relates to astragalus fixed equipment field more particularly to a kind of fracture of neck of talus neck of talus universal locking devices.
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.
Summary of the invention
The object of the present invention is to provide a kind of fracture of neck of talus neck of talus universal locking devices, to fracture of talus position
Inner side and outer side can play good fixed function, and the angle that screw enters in bone can adjust according to the actual situation,
Convenient for selecting more preferably fixed position.
To achieve the above object, the present invention provides a kind of fracture of neck of talus neck of talus universal locking device, including several
Screw and for the first lock respectively with the astragalus neck at veins of tarsal sinus position on the outside of neck of talus and astragalus body surface Limited contact
Portion and the second sticking department are determined, by for connecing with limited on the outside of fracture of neck of talus position between the first sticking department and the second sticking department
The interconnecting piece of touching is fixedly connected, and interconnecting piece is in cambered surface towards astragalus veins of tarsal sinus position outside, and each sticking department is equipped at least two
A that the screw can be allowed to pass through and protrude into the adjustment hole in bone, each adjustment hole is that screw can be allowed to wear with multiple angles
The structure crossed.
As a further improvement of the present invention, the adjustment hole includes spherical surface counter sink, and the opening of spherical surface counter sink is located at
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 and spherical surface counter sink
Compatible spherical surface, the bottom of spherical surface counter sink, which is equipped with, can allow screw rod and spherical surface counter sink coaxial line arrangement but also allow screw rod phase
The through-hole in a certain angle at least one direction of spherical surface countersunk head axially bored line.
As a further improvement of the present invention, the maximum angle of the axis of the screw and spherical surface countersunk head axially bored line is 5-
20 °, the axis of screw and the minimum angle of spherical surface countersunk head axially bored line are 0.
As a further improvement of the present invention, the through-hole includes arranging with spherical surface counter sink coaxial line and through first
The main through-hole of sticking department or the second sticking department, through-hole further include that autonomous through-hole side wall radially outwardly extending at least one is adjusted
Slot is saved, regulating tank one end is located on spherical surface counter sink, and the other end is located at the first sticking department or the second sticking department for connecing with astragalus
On the end face of touching, the width of main through-hole and regulating tank is adapted with the diameter of screw rod.
As a further improvement of the present invention, the through-hole is circular hole, has a diameter larger than the cross-sectional diameter of screw rod, institute
Stating adjustment hole further includes the circular cone face with spherical surface counter sink coaxial line arrangement, the bottom through-hole and circular cone face of spherical surface counter sink
The lesser one end of diameter is connected, and the biggish one end of circular conical surface bore dia is located at end face of the sticking department for contacting with astragalus.
As a further improvement of the present invention, first sticking department and the second sticking department are in a strip shape, each locking
Adjustment hole orientation in portion is identical as the extending direction of sticking department.
As a further improvement of the present invention, the sticking department is in bar shaped plate structure.
As a further improvement of the present invention, the extending direction of first sticking department and the second sticking department is partial to
The same side of interconnecting piece.
As a further improvement of the present invention, towards astragalus on first sticking department, the second sticking department and interconnecting piece
End face on be evenly equipped with multiple grooves.
Beneficial effect
Compared with prior art, the advantages of fracture of neck of talus neck of talus universal locking device of the invention 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 present invention will become more fully apparent, these attached drawings are used to explain the present invention
Embodiment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains 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 embodiment of the present invention is described referring now to the drawings.
Embodiment 1
A specific embodiment of the invention such as Fig. 1 to Fig. 5 shows that a kind of fracture of neck of talus neck of talus universal locking device wraps
Include several screws 5 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
The first sticking department 1 and the second sticking department 8, between the first sticking department 1 and the second sticking department 8 by for fracture of neck of talus portion
Position outside Limited contact interconnecting piece 2 be fixedly connected, interconnecting piece 2 towards the end face on the outside of astragalus veins of tarsal sinus position be in cambered surface, often
A sticking department 1 is equipped with and at least two screw 5 can be allowed to pass through and protrude into the adjustment hole in bone, and each adjustment hole is that can allow spiral shell
The structure that nail 5 is passed 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.
Combining most preferred embodiment above, invention has been described, but the invention is not limited to implementations disclosed above
Example, and various modifications, equivalent combinations according to the essence of the present invention 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 |
|---|---|---|---|
| CN201811259272.8A CN109259840A (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 |
|---|---|---|---|
| CN201811259272.8A CN109259840A (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 |
|---|---|
| CN109259840A true CN109259840A (en) | 2019-01-25 |
Family
ID=65194679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811259272.8A Pending CN109259840A (en) | 2018-10-26 | 2018-10-26 | A kind of fracture of neck of talus neck of talus universal locking device |
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| Country | Link |
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| CN (1) | CN109259840A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259799A (en) * | 2019-05-30 | 2019-09-20 | 常州星宇车灯股份有限公司 | Universal screw nail, PCB component and the car light with it |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060235396A1 (en) * | 2005-03-31 | 2006-10-19 | Roy Sanders | Fixation device for the talus |
| CN102961179A (en) * | 2012-12-03 | 2013-03-13 | 浙江科惠医疗器械有限公司 | Universal locking and pressurizing bone plate |
| CN206026407U (en) * | 2016-05-23 | 2017-03-22 | 夏胜利 | Miniature universal locking plate of calcaneum |
| CN108056807A (en) * | 2017-12-29 | 2018-05-22 | 南方医科大学第三附属医院 | A kind of twin columns propeller-type bone plate and bone-knitting device |
-
2018
- 2018-10-26 CN CN201811259272.8A patent/CN109259840A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060235396A1 (en) * | 2005-03-31 | 2006-10-19 | Roy Sanders | Fixation device for the talus |
| CN102961179A (en) * | 2012-12-03 | 2013-03-13 | 浙江科惠医疗器械有限公司 | Universal locking and pressurizing bone plate |
| CN206026407U (en) * | 2016-05-23 | 2017-03-22 | 夏胜利 | Miniature universal locking plate of calcaneum |
| CN108056807A (en) * | 2017-12-29 | 2018-05-22 | 南方医科大学第三附属医院 | A kind of twin columns propeller-type bone plate and bone-knitting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259799A (en) * | 2019-05-30 | 2019-09-20 | 常州星宇车灯股份有限公司 | Universal screw nail, PCB component and the car light with it |
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