CN106175897B - A kind of atlantoaxial dislocation reduction fixation device - Google Patents
A kind of atlantoaxial dislocation reduction fixation device Download PDFInfo
- Publication number
- CN106175897B CN106175897B CN201610719572.4A CN201610719572A CN106175897B CN 106175897 B CN106175897 B CN 106175897B CN 201610719572 A CN201610719572 A CN 201610719572A CN 106175897 B CN106175897 B CN 106175897B
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- securing plate
- block
- connecting cylinder
- plate
- fixed link
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- 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
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B2017/681—Alignment, compression, or distraction mechanisms
Abstract
The invention discloses a kind of atlantoaxial dislocation reduction fixation devices, including the first securing plate, second securing plate and third securing plate, second securing plate and third securing plate are located above and below the first securing plate, the side of second securing plate is fixedly connected with one end of the first connecting cylinder, and first the other end of connecting cylinder fixed block is connected with by shaft, and fixed block is arc fixed block, the other side of second securing plate is equipped with the first fixed link, to meet the needs of different users, and atlas is not required to implantation lateral mass screw or Transarticular screw, avoid the serious Iatrogenic Complications such as spinal cord or injury of blood vessel, safety easy to operate, pass through different modes, position is reinforced in selection that can be more accurate, to select most reasonable dentata to set nail point, it help to obtain best fixation, it can accelerate to suffer from The rehabilitation of person reduces the pain of patient, improves therapeutic efficiency and therapeutic quality that atlantoaxial dislocation resets.
Description
Technical field
The present invention relates to technical field of medical treatment mechanical, specially a kind of atlantoaxial dislocation reduction fixation device.
Background technique
Atlantoaxial dislocation is a kind of serious disease, and due to atlas and irreducible atlantoaxial dislocation, atlas is dislocated forward or backward
Neck marrow can be oppressed, patient can slightly hurt because of incidence or hard paralysis occurs suddenly in whiplash due to, or even breathing myoparalysis
And it is dead.Currently, common operation device is usually directly to close the extensive region tooth of atlas and axis by screwing axis arch root screw
Section dislocation resets.But it operates in this way, for the more demanding of patient, operation difficulty is larger, and is not easy to keep embolia accurate,
And existing atlantoaxial dislocation reduction fixation device can not carry out interior reinforcing according to the concrete condition of patient, and it cannot be very
Good meets the needs of different users.
Summary of the invention
The purpose of the present invention is to provide a kind of atlantoaxial dislocation reduction fixation devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of atlantoaxial dislocation reduction fixation device, packet
The first securing plate, the second securing plate and third securing plate are included, second securing plate and third securing plate are located at first and add
Above and below solid plate；
The side of second securing plate is fixedly connected with one end of the first connecting cylinder, and the other end of the first connecting cylinder is logical
It crosses shaft and is connected with fixed block, fixed block is arc fixed block, and it is fixed that the other side of second securing plate is equipped with first
Bar, and one end of the first fixed link sequentially passes through the second securing plate and the first connecting cylinder and is located at the inside of the first connecting cylinder, institute
State the first connecting cylinder inside middle-end be equipped with locating piece, and the middle part of locating piece be equipped with locating slot, the one of first fixed link
End is connect by interspersed locating slot with locating piece, and one end of the first fixed link is connected with push-and-pull briquetting by shaft, and pushes away
Tension and compression block is that arc pushes and pulls briquetting, and the push-and-pull briquetting is located at the inner top side of fixed block, and first fixed link passes through inside and outside
It is threadedly engaged the first connecting cylinder of connection and the second securing plate；
The side of first securing plate is connect with fixing groove, and the side of fixing groove and one end of the second connecting cylinder connect
It connects, the other side of the first securing plate is equipped with the second fixed link, and one end of the second fixed link sequentially passes through the first securing plate and the
Two connecting cylinders and the inside for being located at the second connecting cylinder, one end of second fixed link is fixed with active switch block, and actively turns
One end of block is connect with one end of driven switch block, and the other end of the driven switch block is fixedly connected with movable fixed block, the work
One end of dynamic fixed block is through the second connecting cylinder and positioned at the outside of the second connecting cylinder, and one end of movable fixed block is connected with and adds
Gu block, second fixed link passes through internal and external threads the second connecting cylinder of mating connection and the first securing plate；
The third securing plate is provided through arch of posterior atlas bracing means, and arch of posterior atlas bracing means includes the first hinge
The middle part of extension bar and the second hinge bar, the first hinge bar middle part and the second hinge bar is hinged by hinged axis connection, first
One end of bar and one end of the second hinge bar are horizontally installed with support plate, and support plate is arranged in a one-to-one correspondence, one of branch
Reinforcing sleeve is installed on fagging, attachment base is installed, and attachment base has company by bearing activity switching in another support plate
The side of extension bar, the side for reinforcing sleeve and attachment base is respectively connected with one end of additional reinforcement plate, the additional reinforcement plate
The other end be fixedly connected respectively with the first hinge bar and the second hinge bar, the other end of first hinge bar and second hinged
The other end of bar is respectively equipped with fixed chute and sliding panel, and the outside both ends of the fixed chute are equipped with limit plate, sliding panel
One end be slidably arranged in the inside of fixed chute, and the outside of sliding panel is equipped with movable block, and the middle part of the movable block is run through
Equipped with threaded rod, and the both ends of threaded rod run through limit plate and are located at the outside of limit plate, and the both ends of the threaded rod cover
It is connected to thread cap.
Preferably, the cross section of first securing plate and the second securing plate is arc shape, and third securing plate is in half
Round shape.
Preferably, first connecting cylinder and fixed block equal at least two, and the first connecting cylinder and fixed block are symmetrical
The side of second securing plate is set.
Preferably, first connecting cylinder and the vertical section of the first fixed link are rectangular, and locating slot is fixed for rectangle
Position slot, the first fixed link and locating slot are interference fit connection.
Preferably, the fixing groove is at least five groups, and is equally spaced between fixing groove, the quantity of second connecting cylinder
It is twice of fixed slot number.
Preferably, the active switch block, driven switch block, movable fixed block and reinforcement block are three, and active switch block, from
Turn block, movable fixed block and reinforcement block are distributed centered on the second fixed link in heart shaped.
Preferably, guiding groove is offered on the inner wall for reinforcing sleeve, and is oriented to groove in the shape of a spiral, the connection
Bar is equipped with spiral salient, and spiral salient is connect with guiding groove.
Preferably, spring is equipped between first hinge bar and the second hinge bar, and spring is located at the inside of articulated shaft.
Preferably, the arch of posterior atlas bracing means is at least two groups, and arch of posterior atlas bracing means is symmetricly set on
The upper and lower ends of three securing plates.
Preferably, first securing plate, the second securing plate and third securing plate are that titanium alloy material is made, and extensive region pivot
Each structure of vertebra dislocation reduction fixation device is also that titanium alloy material is made.
Compared with prior art, the beneficial effects of the present invention are: the atlantoaxial dislocation reduction fixation device, by being equipped with
The first securing plate, the second securing plate and third securing plate mutual cooperation effect, can respectively using cannot mode come pair
Reinforcing reset, but also the reinforcing scope of adjustable bracing means are carried out in the bone of different location, to meet different uses
The demand of person, and atlas is not required to implantation lateral mass screw or Transarticular screw, avoids the serious doctor source such as spinal cord or injury of blood vessel
Property complication, safety easy to operate, by different modes, position is reinforced in selection that can be more accurate, so that selection is most closed
The dentata of reason sets nail point, help to obtain best fixation, can accelerate the rehabilitation of patient, reduces the pain of patient, improves extensive region pivot
The therapeutic efficiency and therapeutic quality that vertebra dislocation resets.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side view of the invention；
Fig. 3 is the connection schematic diagram of the first connecting cylinder and the first fixed link of the invention；
Fig. 4 is the first fixed link and locating piece connection schematic diagram of the invention；
Fig. 5 is the connection schematic diagram of the second fixed link and the second connecting cylinder of the invention；
Fig. 6 is the connection schematic diagram of the first connecting cylinder and fixed block of the invention；
Fig. 7 is the connection schematic diagram of active switch block and driven switch block of the invention；
Fig. 8 is the structural schematic diagram of arch of posterior atlas bracing means of the invention；
Fig. 9 is threaded rod schematic diagram of the invention；
Figure 10 is the connection schematic diagram of fixed chute and sliding panel of the invention.
In figure: 1 first securing plate, 2 second securing plates, 3 third securing plates, 4 second fixed links, 5 first connecting cylinders, 6 are consolidated
Determine block, 7 fixing grooves, 8 second connecting cylinders, 9 arch of posterior atlas bracing means, 10 first fixed links, 11 locating pieces, 12 push-and-pull briquettings,
13 sliding panels, 14 reinforcement blocks, 15 movable blocks, 16 movable fixed blocks, 17 threaded rods, 18 active switch blocks, 19 driven switch blocks, 20 add
Gu sleeve, 21 attachment bases, 22 fixed chutes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-10 is please referred to, the present invention provides a kind of technical solution: a kind of atlantoaxial dislocation reduction fixation device, including
First securing plate 1, the second securing plate 2 and third securing plate 3, the second securing plate 2 and third securing plate 3 are located at the first reinforcing
Above and below plate 1.
The side of second securing plate 2 is fixedly connected with one end of the first connecting cylinder 5, and the other end of the first connecting cylinder 5 is logical
It crosses shaft and is connected with fixed block 6, fixed block 6 is arc fixed block, and the other side of the second securing plate 2 is equipped with the first fixed link
10, and one end of the first fixed link 10 sequentially passes through the second securing plate 2 and the first connecting cylinder 5 and is located at the interior of the first connecting cylinder 5
Portion, the inside middle-end of the first connecting cylinder 5 is equipped with locating piece 11, and the middle part of locating piece 11 is equipped with locating slot, the first fixed link 10
One end connect by interspersed locating slot with locating piece 11, one end of the first fixed link 10, which is connected with to push and pull by shaft, presses
Block 12, and pushing and pulling briquetting 12 is that arc pushes and pulls briquetting, push-and-pull briquetting 12 is located at the inner top side of fixed block 6, the first fixed link 10
Pass through internal and external threads the first connecting cylinder 5 of mating connection and the second securing plate 2.The cross section of first securing plate 1 and the second securing plate 2
It is arc shape, and third securing plate 3 is in semicircle shape, the first connecting cylinder 5 and fixed block 6 equal at least two, and first connects
Cylinder 5 and fixed block 6 are symmetricly set on the side of the second securing plate 2, and the vertical section of the first connecting cylinder 5 and the first fixed link 10 is equal
It is rectangular, and locating slot is rectangle locating slot, the first fixed link 10 is interference fit connection with locating slot.
The side of first securing plate 1 is connect with fixing groove 7, and the side of fixing groove 7 and one end of the second connecting cylinder 8 connect
It connects, the other side of the first securing plate 1 is equipped with the second fixed link 4, and one end of the second fixed link 4 sequentially passes through the first securing plate 1
With the second connecting cylinder 8 and positioned at the inside of the second connecting cylinder 8, one end of the second fixed link 4 is fixed with active switch block 18, and main
One end of turn block 18 is connect with one end of driven switch block 19, and the other end of driven switch block 19 is fixedly connected with movable fixed block
16, one end of movable fixed block 16 runs through the second connecting cylinder 8 and is located at the outside of the second connecting cylinder 8, and movable fixed block 16
One end is connected with reinforcement block 14, and the second fixed link 4 is cooperatively connected the second connecting cylinder 8 and the first securing plate 1 by internal and external threads, Gu
Determine slot 7 and be at least five groups, and be equally spaced between fixing groove 7, the quantity of the second connecting cylinder 8 is twice of 7 quantity of fixing groove, main
Turn block 18, driven switch block 19, movable fixed block 16 and reinforcement block 14 are three, and active switch block 18, driven switch block 19, work
Dynamic fixed block 16 and reinforcement block 14 are distributed centered on the second fixed link 4 in heart shaped.
Third securing plate 3 is provided through arch of posterior atlas bracing means 9, and arch of posterior atlas bracing means 9 includes the first hinge
Extension bar and the second hinge bar, in the middle part of the first hinge bar and middle part of the second hinge bar by hinged axis connection, the first hinge bar
One end and one end of the second hinge bar are horizontally installed with support plate, and support plate one is correspondingly arranged, in one of support plate
It is equipped with and reinforces sleeve 20, attachment base 21 is installed, and attachment base 21 has company by bearing activity switching in another support plate
The side of extension bar, the side for reinforcing sleeve 20 and attachment base 21 is respectively connected with one end of additional reinforcement plate, and the auxiliary adds
The other end of solid plate is fixedly connected with the first hinge bar and the second hinge bar respectively, and the other end of the first hinge bar and second is hingedly
The other end of bar is respectively equipped with fixed chute 22 and sliding panel 13, and the outside both ends of fixed chute 22 are equipped with limit plate, sliding
One end of plate 13 is slidably arranged in the inside of fixed chute 22, and the outside of sliding panel 13 is equipped with movable block 15, movable block 15
Middle part, which is run through, is equipped with threaded rod 17, and the both ends of threaded rod 17 run through limit plate and are located at the outside of limit plate, threaded rod 17
Both ends be socketed with thread cap, reinforce on the inner wall of sleeve 20 and offer guiding groove, and be oriented to groove in the shape of a spiral, connection
Bar is equipped with spiral salient, and spiral salient is connect with guiding groove, and spring is equipped between the first hinge bar and the second hinge bar, and
Spring is located at the inside of articulated shaft, and arch of posterior atlas bracing means 9 is at least two groups, and arch of posterior atlas bracing means 9 is symmetrical arranged
In the upper and lower ends of third securing plate 3, the first securing plate 1, the second securing plate 2 and third securing plate 3 are titanium alloy material system
At, and each structure of atlantoaxial dislocation reduction fixation device is also that titanium alloy material is made.
First by adjusting the positional relationship of the first fixed link 10 and the first connecting cylinder 5, fixed block 6 adjustable in this way
Tilt angle, as soon as and it is also possible that fixed block 6 forms the space of stable a reinforcing and reset, such atlas and axis lateral mass
Available good reinforcing and reset response.
Then by adjusting the second fixed link 4 and the direct positional relationship of the second connecting cylinder 8, by rotating the second fixed link
4 can make active switch block 18 push driven switch block 19, and so as to push movable fixed block 16, movable fixed block 16, which drives, to be added
Gu block 14 can thus make adjacent the distance between two the second connecting cylinders 8 change, two the second connecting cylinders
8 are arranged in the two sides of bone, by limiting and squeezing, then preferably atlas and axis can be resetted admittedly.
Pass through position of the mobile movable block 15 in fixed chute 22, so that it may it is another to adjust arch of posterior atlas bracing means 9
The openings of sizes at end can thus make arch of posterior atlas bracing means 9 by reinforcing the mutual cooperation of sleeve 20 and connecting rod
The other end forms a firm space, can be used to that arch of posterior atlas is resetted and reinforced, but also can satisfy difference
The demand of user is acted on by the mutual cooperation of the first securing plate 1, the second securing plate 2 and the third securing plate 3 that are equipped with, can
By respectively using cannot in a manner of come the bone for different location carry out reinforcing reset, but also adjustable bracing means
Reinforcing scope, to meet the needs of different users, and atlas is not required to implantation lateral mass screw or Transarticular screw, avoids ridge
The serious Iatrogenic Complications such as marrow or injury of blood vessel, safety easy to operate, by different modes, selection that can be more accurate
Position is reinforced, so that the most reasonable dentata of selection sets nail point, best fixation is help to obtain, the rehabilitation of patient can be accelerated, subtracted
The pain of few patient improves therapeutic efficiency and therapeutic quality that atlantoaxial dislocation resets.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of atlantoaxial dislocation reduction fixation device, including the first securing plate (1), the second securing plate (2) and third are reinforced
Plate (3), it is characterised in that: second securing plate (2) and third securing plate (3) are located at the top of the first securing plate (1)
The lower section and；
The side of second securing plate (2) is fixedly connected with one end of the first connecting cylinder (5), and the first connecting cylinder (5) is another
One end is connected with fixed block (6) by shaft, fixed block (6) be arc fixed block, second securing plate (2) it is another
Side is equipped with the first fixed link (10), and one end of the first fixed link (10) sequentially passes through the second securing plate (2) and the first connecting cylinder
(5) and positioned at the inside of the first connecting cylinder (5), the inside middle-end of first connecting cylinder (5) is equipped with locating piece (11), and positions
The middle part of block (11) is equipped with locating slot, and one end of first fixed link (10) is connected by interspersed locating slot and locating piece (11)
It connects, one end of the first fixed link (10) is connected with push-and-pull briquetting (12) by shaft, and pushes and pulls briquetting (12) and push away for arc
Tension and compression block, push-and-pull briquetting (12) are located at the inner top side of fixed block (6), and first fixed link (10) passes through internal and external threads
Be cooperatively connected the first connecting cylinder (5) and the second securing plate (2)；
The side of first securing plate (1) is connect with fixing groove (7), and the side of fixing groove (7) and the second connecting cylinder (8)
The other side of one end connection, the first securing plate (1) is equipped with the second fixed link (4), and one end of the second fixed link (4) sequentially passes through
First securing plate (1) and the second connecting cylinder (8) and the inside for being located at the second connecting cylinder (8), one end of second fixed link (4)
It is fixed with active switch block (18), and one end of active switch block (18) is connect with one end of driven switch block (19), it is described from turn
The other end of block (19) is fixedly connected with movable fixed block (16), and the second connecting cylinder is run through in one end of the activity fixed block (16)
(8) and positioned at the outside of the second connecting cylinder (8), and one end of movable fixed block (16) is connected with reinforcement block (14), and described second
Fixed link (4) passes through internal and external threads mating connection the second connecting cylinder (8) and the first securing plate (1)；
The third securing plate (3) is provided through arch of posterior atlas bracing means (9), and arch of posterior atlas bracing means (9) includes
First hinge bar and the second hinge bar, in the middle part of the first hinge bar and middle part of the second hinge bar is by hinged axis connection, and the
One end of one hinge bar and one end of the second hinge bar are horizontally installed with support plate, and support plate is arranged in a one-to-one correspondence, wherein
It is equipped in one support plate and reinforces sleeve (20), be equipped with attachment base (21) in another support plate, and attachment base (21) is logical
Crossing bearing activity switching has connecting rod, and the side of reinforcing sleeve (20) and the side of attachment base (21) are respectively connected with auxiliary and add
The other end of one end of solid plate, the additional reinforcement plate is fixedly connected with the first hinge bar and the second hinge bar respectively, and described
The other end of the other end of one hinge bar and the second hinge bar is respectively equipped with fixed chute (22) and sliding panel (13), the fixation
The outside both ends of sliding slot (22) are equipped with limit plate, and one end of sliding panel (13) is slidably arranged in the inside of fixed chute (22),
And the outside of sliding panel (13) is equipped with movable block (15), the middle part of the movable block (15), which is run through, is equipped with threaded rod (17), and spiral shell
The both ends of rasp bar (17) run through limit plate and are located at the outside of limit plate, and the both ends of the threaded rod (17) are socketed with screw thread
Cap.
2. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, which is characterized in that described first reinforces
The cross section of plate (1) and the second securing plate (2) is arc shape, and third securing plate (3) is in semicircle shape.
3. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, it is characterised in that: first connection
Cylinder (5) and fixed block (6) equal at least two, and the first connecting cylinder (5) and fixed block (6) are symmetricly set on the second securing plate
(2) side.
4. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, it is characterised in that: first connection
Cylinder (5) and the first fixed link (10) vertical section it is rectangular, and locating slot be rectangle locating slot, the first fixed link (10) and
Locating slot is interference fit connection.
5. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, feature is in the fixing groove (7)
At least five groups, and be equally spaced between fixing groove (7), the quantity of second connecting cylinder (8) is the two of fixing groove (7) quantity
Times.
6. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, feature is in the active switch block
(18), driven switch block (19), movable fixed block (16) and reinforcement block (14) are three, and active switch block (18), driven switch block
(19), movable fixed block (16) and reinforcement block (14) are centered on the second fixed link (4), and are distributed in heart shaped.
7. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, feature is in the reinforcing sleeve
(20) guiding groove is offered on inner wall, and is oriented to groove in the shape of a spiral, and the connecting rod is equipped with spiral salient, and spiral prominence
It rises and is connect with guiding groove.
8. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, feature is in first hinge bar
And second be equipped with spring between hinge bar, and spring is located at the inside of articulated shaft.
9. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, feature in: the arch of posterior atlas adds
It is fixedly mounted with and sets (9) and be at least two groups, and arch of posterior atlas bracing means (9) is symmetricly set on the upper and lower ends of third securing plate (3).
10. a kind of atlantoaxial dislocation reduction fixation device according to claim 1, feature in: described first reinforces
Plate (1), the second securing plate (2) and third securing plate (3) are that titanium alloy material is made, and atlantoaxial dislocation reduction fixation fills
The each structure set also is that titanium alloy material is made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610719572.4A CN106175897B (en) | 2016-08-25 | 2016-08-25 | A kind of atlantoaxial dislocation reduction fixation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610719572.4A CN106175897B (en) | 2016-08-25 | 2016-08-25 | A kind of atlantoaxial dislocation reduction fixation device |
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| CN106175897A CN106175897A (en) | 2016-12-07 |
| CN106175897B true CN106175897B (en) | 2019-07-05 |
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| CN201610719572.4A Expired - Fee Related CN106175897B (en) | 2016-08-25 | 2016-08-25 | A kind of atlantoaxial dislocation reduction fixation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109567921B (en) * | 2018-12-03 | 2021-03-09 | 西永明 | Atlantoaxial dislocation reduction internal fixation device |
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| CN203291002U (en) * | 2012-09-07 | 2013-11-20 | 首都医科大学宣武医院 | Internal fixation device for atlantoaxial dislocation reduction |
| CN204147109U (en) * | 2014-10-19 | 2015-02-11 | 台中惠 | A kind of novel orthopaedics fixation clamp |
| CN104490459A (en) * | 2015-01-09 | 2015-04-08 | 四川大学华西医院 | Atlantoaxial dislocation reduction and internal fixation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120101528A1 (en) * | 2010-07-26 | 2012-04-26 | Souza John J | Spinous process implant and method of fixation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027006A (en) * | 2004-08-18 | 2007-08-29 | 阿克斯整形外科公司 | Adjacent level facet arthroplasty devices, spine stabilization systems, and methods |
| CN201282997Y (en) * | 2008-11-05 | 2009-08-05 | 刘社庭 | Internal fixation device for atlanto-axial instability |
| CN202554048U (en) * | 2012-05-14 | 2012-11-28 | 中国人民解放军第二军医大学 | Resetting forceps for atlas lateral mass fracture |
| CN203291002U (en) * | 2012-09-07 | 2013-11-20 | 首都医科大学宣武医院 | Internal fixation device for atlantoaxial dislocation reduction |
| CN102784001A (en) * | 2012-09-10 | 2012-11-21 | 董大明 | Posterior atlantoaxial resetting device |
| CN204147109U (en) * | 2014-10-19 | 2015-02-11 | 台中惠 | A kind of novel orthopaedics fixation clamp |
| CN104490459A (en) * | 2015-01-09 | 2015-04-08 | 四川大学华西医院 | Atlantoaxial dislocation reduction and internal fixation device |
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| CN106175897A (en) | 2016-12-07 |
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