CN104323836B - A kind of joint portion exter-nal fixer - Google Patents
A kind of joint portion exter-nal fixer Download PDFInfo
- Publication number
- CN104323836B CN104323836B CN201410577174.4A CN201410577174A CN104323836B CN 104323836 B CN104323836 B CN 104323836B CN 201410577174 A CN201410577174 A CN 201410577174A CN 104323836 B CN104323836 B CN 104323836B
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- Prior art keywords
- fixed
- exter
- fixer
- joint portion
- outer framework
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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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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 present invention relates to a kind of joint portion exter-nal fixer, including the fixer in vitro component and joint fixation apparatus being fixed in body limb portion, the joint fixation apparatus includes outer framework and some bone face fixation kits being arranged on outer framework, the outer framework is fixed on outside body by fixer in vitro component, and the outer framework includes at least two fixed mounts；Bone face fixation kit includes several fixed blocks, fixed cable is provided between the fixed block, the fixed block is fixed on fixed mount, and the support frame being at least made up of two fixed cables is included between the fixed mount, and the support frame contacts, realized the support of bone with bone face.
Description
Technical field
It is a kind of using cable progress joint portion skeletal fixation with being related to the present invention relates to a kind of joint portion exter-nal fixer
Exter-nal fixer.
Background technology
During the orthopaedics therapies such as fracture, postoperative to penetrate epidermis frequently by various supports, bone, which is fixed, to be made
Recovery, after recovery, then by trauma operation, support is removed, whole process need carry out Repeated Operation, to human body
The wound ratio that muscle and skin portion are brought is larger, and the convalescence after Miles operation is also long, while traditional support is to bone band
The compressing come and wound are all than larger；
To this, there is provided wound degree when can much reduce operation to a certain extent and reduction operation time currently on the market
Number, while the invention of the orthopedic fixer, such as Patent No. ZL201120537796.6 of healing can be accelerated again, where it is proposed
A kind of steel wire wrapped up for bone portion, this steel wire in Steel Wire Surface by setting absorbable material protective case to reduce to bone
The damage of bone, reduces the probability of bone ischemic necrosis, but itself still realizes the fixation of bone by way of repeatedly winding,
After bone recovery, remove on the brought skin of steel wire operation and muscle bed still very greatly, it is necessary to which the long time is carried out
Recover；
For another example with a kind of entitled patents of invention of kneecap external fixing rack of ZL201420132756.7, wherein it is also proposed one
The fixed mount outside minimally invasive bone is planted, this structure compares similar to the fixed structure of steel nail generally used now,
Its main purpose is to realize multi-faceted skeletal fixation, while the wound that thin steel nail is brought to human body is also smaller, can be avoided
It is secondary to take out injury and infection that operation is brought to human body, but in its technical scheme, steel nail plays main supporting role, in order to
Ensure its certain support performance（That is bending strength）So steel nail can not do in itself it is thin as acupuncture needle, so its steel nail
To reducing or than relatively limited for human epidermal and flesh wound degree, and steel nail is in itself because its volume reason and special
Biological property reason, if being made using titanium alloy etc materials, difficulty of processing and cost are all higher, if using one
If a little preferable polymer of biological property make, its intensity can not ensure again, while the main eyelid retractor of the invention is a ring
Shape metallic plate, during installation, the limbs portion that can treat operation brings and blocked, and installing can be relatively difficult, can not also realize under X-ray photograph
Accurate installation；
So in summary, bone external stability utensil of the prior art still has the deficiency of many, such as：Peace
Wound, secondary taking-up operation wound, the cost that dress is brought can not be reduced, installation difficulty is big.
The content of the invention
The technical problem to be solved in the present invention is：Overcome prior art medium-height trestle that big, fixed operation complexity of wound etc. is installed
There is provided a kind of smaller to setter wound for technical problem, it is possible to reduce even without being used at fixing joint for second operation
The fixed structure of bone.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of joint portion exter-nal fixer, including the fixer in vitro component and arthrodesis being fixed in body limb portion
Device, the joint fixation apparatus includes outer framework and some bone face fixation kits being arranged on outer framework, and the outer framework passes through
Fixer in vitro component is fixed on outside body；
The outer framework includes at least two fixed mounts；
Bone face fixation kit includes being provided with fixed cable between several fixed blocks, the fixed block, described solid
Determine block to be fixed on fixed mount, the carriage being at least made up of two fixed cables is included between the fixed block of the fixed mount
Frame, the support frame contacts, realized the support of bone with bone face.
As a further innovation of the present invention, the fixer in vitro component is fixed on body joints two including at least two
Retainer ring in the limb portion of side, the joint fixation apparatus is arranged on the centre of two neighboring retainer ring, and the retainer ring includes winding
Band in body limb portion and the support bar for supporting band, the support bar are embedded in inside band, the support bar
It is made of elastic metallic.
As a further innovation of the present invention, being provided with bone face fixation kit between the support bar.
As a further innovation of the present invention, at least one fixed mount is platy structure, the tabular in the outer framework
Structure is internally provided with support cotton pad, is provided with the surface of platy structure some fixing holes for being used to install fixed block.
As a further innovation of the present invention, the fixed mount includes two cleat assemblies and is arranged on two cleat assemblies
Between fixation bar array, cleat assembly side and the connection of fixer in vitro component, each cleat assembly includes train wheel bridge
With a lower plate, the fixed bar array is clamped between train wheel bridge and lower plate.
As a further innovation of the present invention, the fixed block includes a fixing hole for being used to fix fixed cable, institute
State and lock-screw A is provided with the side wall of fixing hole；The fixed block includes a sliding eye for being used to be socketed with outer framework, institute
State and lock-screw B is provided with the side wall of sliding eye.
As a further innovation of the present invention, the fixed cable includes elastic threads, the material of the elastic threads has life
Thing compatibility.
As a further innovation of the present invention, the elastic threads is made of aliphatic polyester.
As a further innovation of the present invention, being provided with reinforced metal cable, the reinforced metal in the middle part of the elastic threads
The material of cable has biocompatibility.
As a further innovation of the present invention, the reinforced metal cable is made of titanium alloy.
The beneficial effects of the invention are as follows：
1st, fixer in vitro component and joint fixation apparatus, which can facilitate, is arranged on whole fixator on joint, by using solid
Determine the cooperation of frame and fixing line, by the smaller elastic threads of diameter under the support of fixed mount, form one or more fixations
Mesh, so as to realize the cooperation to joint portion bone, because the low elasticity of elastic threads, can not only ensure the fixation of bone, together
When be also possible to prevent excessive compressing of the elastic threads to bone surface, cause osteonecrosis；
The present invention is because its diameter is smaller simultaneously, and during initial surgery, block surface is also smaller, can be compared essence
True operation, and its wound face of the implantation of elastic threads only has aperture size, it is possible to achieve the purpose of Minimally Invasive Surgery；
In addition the present invention can also be realized is fastened to bone, so as to adapt to the situation of comminuted fracture.
2nd, fixator easily can be arranged in the limb portion of human body by tie-type retainer ring of the invention, while support bar
It is made using elastic metallic there is provided a more preferable circular support force, prevents postoperative patient in movement, to be moved,
Recovery effects are influenceed, while the bone face fixation kit on support bar can further enhance the overall performance of whole supporting construction.
3rd, at least one fixed mount is platy structure in outer framework, and the fixed mount of platy structure can for a long time lie for needs
Patient on one's sick bed gives certain support force, the possibility of whole supporting construction deformation can be not only reduced, while also may be used
To provide certain comfort level for patient.
4th, fixed mount of the invention includes two cleat assemblies and the fixation bar array being arranged between two cleat assemblies,
The quantity and angle of fix bar easily as the case may be, can be adjusted, effectively optimizes fixed structure, unnecessary fixation is reduced
The weight that bar is produced.
5th, elastic threads of the invention is fixed using clamped-in style, and this structure can improve the convenience of installation, is tensed simultaneously
Line can also be installed with pretightning force one higher.
6th, fix, can more easily adjust between fixed block to slide between fixed block of the invention and outer framework
Position, thus it is convenient according to specific bone condition, the fixed position of elastic threads is adjusted, wide usage has been significantly greatly increased.
7th, the elastic threads that the aliphatic polyester material with biocompatibility is made, because its low biocompatible, extensive
After multiple, the internal of human body can be stayed in, the secondary wound degree for removing operation can be reduced, if bone destructiveness itself is not
If big, it can be performed the operation without secondary remove.
8th, reinforcing cable that a titanium alloy is made is also added into tensions cable of the invention to prevent tension from excessively leading
The situation of the tension thread breakage of cause, directly can extract the reinforcing cable of titanium alloy out after recovery, be partially left at it is internal not yet
There can be too big rejection problems.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the fixation schematic diagram of embodiment 1；
Fig. 2 is the outer framework schematic diagram of platy structure of the present invention；
Fig. 3 is the schematic diagram of outer framework of the present invention；
Fig. 4 is the profile of fixed block；
Fig. 5 is the fixation schematic diagram of embodiment 2.
In figure：1st, fixed block；2nd, epidermis；3rd, fixed cable；4th, bone A；5th, bone B；6th, bone C；7th, retainer ring；8th, prop up
Stay；9th, the outer framework of platy structure；10th, fixing hole；11st, outer framework；12nd, cleat assembly；13rd, fix bar；14th, cotton is supported
Pad.
1-1, fixing hole；1-2, sliding eye.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
This product is mainly a kind of a kind of bone that postoperative fixation and auxiliary recovery are carried out for joint of fracturing or misplace
External fixator, this product is mainly used for and the retainer ring of the noninvasive fixation of joint both sides arm or leg and one by two
The minimally invasive fixed cable structure for carrying out bone face fixation, realizes the minimally invasive fixation to joint；
As shown in figure 1, this product mainly includes two outer frameworks, and it is arranged on the retainer ring 7 of two outer framework both sides,
Outer framework includes the outer framework 11 of the network structure similar with one of outer framework 9 of a platy structure, and two outer frameworks are relative to be set
Put；
Such as Fig. 3, wherein the outer framework 11 of similar network structure includes two cleat assemblies 12 and fix bar 13, cleat assembly
Profile be arc, it is spherical corresponding with joint.The side of cleat assembly is fixedly connected with retainer ring 7, and cleat assembly 12 is wrapped
Train wheel bridge and lower plate are included, sets fluted between train wheel bridge and lower plate, the fix bar 13 is fixed to upper by groove
Between clamping plate and lower plate；
Fixer in vitro component and joint fixation apparatus, which can facilitate, is arranged on whole fixator on joint, by using fixation
The cooperation of frame and fixing line, by the smaller elastic threads of diameter under the support of fixed mount, forms one or more fixed nets
Hole, so as to realize the cooperation to joint portion bone, because the low elasticity of elastic threads, can not only ensure the fixation of bone, simultaneously
Excessive compressing of the elastic threads to bone surface is also possible to prevent, osteonecrosis is caused；
Because its diameter of fixed cable is smaller, during initial surgery, block surface is also smaller, can be compared accurate
Operation, and its wound face of the implantation of elastic threads only has aperture size, it is possible to achieve the purpose of Minimally Invasive Surgery；
Fixed mount includes two cleat assemblies and the fixation bar array being arranged between two cleat assemblies, in that context it may be convenient to
As the case may be, the quantity and angle of fix bar are adjusted, effectively optimizes fixed structure, the weight that unnecessary fix bar is produced is reduced
Amount；
Set in fix bar 13 and be socketed with some fixed blocks 1, wherein fixed block（As shown in Figure 4）Being used for including one will
The sliding eye 1-2 that 1 set of fixed block is connected on housing 2, is provided with lock-screw B on sliding eye 1-2 inwall, while fixed block
On be additionally provided with one and be used for the fixing hole 1-1 through fixed cable 3, same is provided with one on fixing hole 1-1 side wall
The individual lock-screw A for being used to fix fixed cable 3；
As shown in Fig. 2 the both sides of outer framework 9 of platy structure are fixedly connected with retainer ring 7, in the outer framework 9 of platy structure
On be provided with it is some be used to fix the fixing holes 10 of fixed block, while platy structure outer framework 9 towards similar network structure
The side of outer framework 11 be provided with support cotton pad；
The fixed mount of platy structure can be to need the patient lain on one's sick bed for a long time to give certain support force, not only
The possibility of whole supporting construction deformation can be reduced, while certain comfort level can also be provided for patient；
Wherein fixed cable includes the elastic threads that the aliphatic polyester material with biocompatibility is made, in elastic threads
Portion, which is provided with, is similarly the reinforced metal line that the titanium alloy of biocompatible materials is made；
The elastic threads that aliphatic polyester material with biocompatibility is made, because its low biocompatible, is recovering
Afterwards, the internal of human body can be stayed in, the secondary wound degree for removing operation can be reduced, if bone destructiveness itself is little
If, it can be performed the operation without secondary remove；
The reinforcing cable that titanium alloy is made, after recovery can be with to tense the situation of thread breakage caused by preventing from tensing excessively
Directly the reinforcing cable of titanium alloy is extracted out, it is also not in vivo too big rejection problems to be partially left at；
Support bar 8 is also inlaid with retainer ring 7 simultaneously, support bar 8 can be made of elastic steel strip, in support bar 8
On be also machined with and some be used to fix the fixing holes 10 of fixed block 1；
Support bar provides a more preferable circular support force, prevents postoperative patient in movement, to be moved, influence
Recovery effects, while the fixing hole 10 on support bar can be used for installing bone face fixation kit, can further enhance whole branch
The overall performance of support structure；
When specific fixed, as shown in figure 1,7 sets of the retainer ring that two bands are made to be connected to the both sides of knee first, tense
Retainer ring 7, is then fixed to knee dorsad patellar side, when specifically processing, between the two by the outer framework 9 of platy structure
Screw can be processed into fix, then, to the joint bone of fragmentation（Bone A4, bone B5）It is fixed by fixed cable 3, Gu
After the completion of fixed, one end of fixed cable 3 passes through fixing hole 10, is fixed by fixed block 1, then passes through train wheel bridge and lower folder
Fix bar 13 is installed to the centre of two retainer rings 7 by plate, while correspondence fixed cable passes position in the fix bar 13, if
Fixed block 1 is put, while the other end in fixed cable 3 is fixed on fixed block 1, the fixation of whole knee intrinsic articulation bone is realized；
Fixed effect can also be further ensured that in retainer ring 7 by support bar fixation fixed block 1 and fixed cable simultaneously；
After surgery, directly fixed cable can be removed by Minimally Invasive Surgery, fixes, tear open compared to traditional steel nail
Except Post operation, the time of recovery is shorter, and the wound brought to human body is also smaller.
Embodiment 2
When thigh etc. is fixed without articulation structure, as shown in figure 5,7 sets of the retainer ring that two bands are made first
The both sides of epidermis at bone fracture are connected to, be strained and fixed ring 7, the outer framework 9 of platy structure is then fixed to thigh towards the back of the body
The side in portion, when specifically processing, can be processed into screw and fix, then, to the thigh of fragmentation between the two（Bone C6）Pass through
Fixed cable 3 is fixed, after the completion of fixing, and one end of fixed cable 3 passes through fixing hole 10, is fixed by fixed block 1,
Fix bar 13 is then installed to the centre of two retainer rings 7 by train wheel bridge and lower plate, while the correspondence in fix bar 13
Fixed cable passes position, sets fixed block 1, while the other end in fixed cable 3 is fixed on fixed block 1, realizes whole
Individual femoral fixation；Can also further it be protected in retainer ring 7 by support bar fixation fixed block 1 and fixed cable simultaneously
Demonstrate,prove fixed effect；
When fixed, this product is just smaller to human body wound, can effectively reduce the probability that operation brings infection, in art
Afterwards, directly fixed cable can be removed by Minimally Invasive Surgery, is fixed compared to traditional steel nail, remove Post operation, it is extensive
The multiple time is shorter, and the wound brought to human body is also smaller.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of joint portion exter-nal fixer, including the fixer in vitro component and joint fixation apparatus being fixed in body limb portion,
The joint fixation apparatus includes outer framework and some bone face fixation kits being arranged on outer framework, and the outer framework passes through external
Fastener component is fixed on outside body, it is characterized in that：
The outer framework includes at least two fixed mounts；
Bone face fixation kit includes being provided with fixed cable, the fixed block between several fixed blocks, the fixed block
It is fixed on fixed mount, the support frame being at least made up of two fixed cables, institute is included between the fixed block of the fixed mount
State the support that support frame contacted, realized bone with bone face.
2. a kind of joint portion exter-nal fixer as claimed in claim 1, it is characterized in that：The fixer in vitro component is included extremely
Lack two retainer rings being fixed in the limb portion of body joints both sides, the joint fixation apparatus is arranged in two neighboring retainer ring
Between, the retainer ring includes being wrapped in the band in body limb portion and the support bar for supporting band, and the support bar is inlayed
Inside band, the support bar is made of elastic metallic.
3. a kind of joint portion exter-nal fixer as claimed in claim 2, it is characterized in that：Bone face is provided between the support bar
Fixation kit.
4. a kind of joint portion exter-nal fixer as claimed in claim 1, it is characterised in that：At least one in the outer framework is consolidated
Determine frame for platy structure, the platy structure is internally provided with support cotton pad, and the surface of platy structure is provided with some use
In the fixing hole for installing fixed block.
5. a kind of joint portion exter-nal fixer as claimed in claim 1, it is characterised in that：The fixed mount includes two clamping plates
Component and the fixation bar array being arranged between two cleat assemblies, cleat assembly side and the connection of fixer in vitro component, often
Individual cleat assembly includes a train wheel bridge and a lower plate, and the fixed bar array is clamped between train wheel bridge and lower plate.
6. a kind of joint portion exter-nal fixer as claimed in claim 1, it is characterized in that：The fixed block, which includes one, to be used for admittedly
Determine to be provided with lock-screw A on the fixing hole of fixed cable, the side wall of the fixing hole；The fixed block include one be used for
Lock-screw B is provided with the sliding eye of outer framework socket, the side wall of the sliding eye.
7. a kind of joint portion exter-nal fixer as claimed in claim 1, it is characterized in that：The fixed cable includes elastic threads,
The material of the elastic threads has biocompatibility.
8. a kind of joint portion exter-nal fixer as claimed in claim 7, it is characterized in that：The elastic threads uses aliphatic polyester
It is made.
9. a kind of joint portion exter-nal fixer as claimed in claim 7, it is characterized in that：Reinforcing is provided with the middle part of the elastic threads
Wire rope, the material of the reinforced metal cable has biocompatibility.
10. a kind of joint portion exter-nal fixer as claimed in claim 9, it is characterized in that：The reinforced metal cable uses titanium
Alloy is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577174.4A CN104323836B (en) | 2014-10-24 | 2014-10-24 | A kind of joint portion exter-nal fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577174.4A CN104323836B (en) | 2014-10-24 | 2014-10-24 | A kind of joint portion exter-nal fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323836A CN104323836A (en) | 2015-02-04 |
| CN104323836B true CN104323836B (en) | 2017-08-25 |
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ID=52398754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410577174.4A Expired - Fee Related CN104323836B (en) | 2014-10-24 | 2014-10-24 | A kind of joint portion exter-nal fixer |
Country Status (1)
| Country | Link |
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| CN (1) | CN104323836B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772345B (en) * | 2019-11-29 | 2021-01-15 | 段培君 | Orthopedic operation auxiliary device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6736819B2 (en) * | 2001-10-18 | 2004-05-18 | Kishore Tipirneni | System and method for fixation of bone fractures |
| US8123747B2 (en) * | 2007-08-16 | 2012-02-28 | Nutek Orthopaedics, Inc. | Apparatus for external fixation of a fractured distal radius with angularly adjustable pin clamping means |
| CN201295278Y (en) * | 2008-11-18 | 2009-08-26 | 刘三运 | Reposition fixater for calcaneum fracture |
| CN203777028U (en) * | 2014-03-19 | 2014-08-20 | 天津市新中医疗器械有限公司 | External patella fixing rack |
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2014
- 2014-10-24 CN CN201410577174.4A patent/CN104323836B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104323836A (en) | 2015-02-04 |
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Inventor after: Yang Zhen Inventor after: Fu Jing Inventor after: Jiang Yonghua Inventor after: Shi Degong Inventor before: Luo Xianjun |
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Effective date of registration: 20170731 Address after: 266500 No. 158, Hainan Island Road, Huangdao District, Shandong, Qingdao Applicant after: Yang Zhen Address before: Zhongshan road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 No. 70 room 3610 Applicant before: SUZHOU RENJIERUI AUTOMATION TECHNOLOGY CO., LTD. |
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