CN104323841A - Lie-flat bone external fixator - Google Patents
Lie-flat bone external fixator Download PDFInfo
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- CN104323841A CN104323841A CN201410577958.7A CN201410577958A CN104323841A CN 104323841 A CN104323841 A CN 104323841A CN 201410577958 A CN201410577958 A CN 201410577958A CN 104323841 A CN104323841 A CN 104323841A
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- horizontal lying
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims description 17
- 210000003128 head Anatomy 0.000 claims description 13
- 210000000744 eyelid Anatomy 0.000 claims description 10
- 238000000338 in vitro Methods 0.000 claims description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229920003232 aliphatic polyester Polymers 0.000 claims description 6
- 206010031264 Osteonecrosis Diseases 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 13
- 210000003414 extremity Anatomy 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000011084 recovery Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000000560 biocompatible material Substances 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 208000034657 Convalescence Diseases 0.000 description 1
- 206010028851 Necrosis Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 210000002082 fibula Anatomy 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000002303 tibia Anatomy 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
- A61B17/60—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
Landscapes
- 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)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a lie-flat bone external fixator which comprises a horizontal bracket, a body external fixator and a longitudinal fixator; the longitudinal fixator comprises an external frame and a bone surface fixing assembly; the body external fixator comprises a support device; the support device comprises a connecting bar and fixing rings arranged on two sides of the connecting bar; the external frame is fixed on the connecting bar in an arrayed manner; one side of the external frame is embedded on the connecting bar; the bone surface fixing assembly comprises a plurality of fixing blocks; fixed cables are arranged among the fixing blocks; the fixing blocks are arranged on the external frame; the fixed cables define a support frame by means of the fixing blocks. According to the lie-flat bone external fixator, by match of the external frame and tensioning wires, the tensioning wires with smaller diameters form one or more fixed meshes under the support of the external frame, and thus the matching with bones is realized. Since the tensioning wires are low in elasticity, the fixation of the bones can be ensured, and osteonecrosis caused since the surfaces of the bones are excessively compressed by the tensioning wires can be avoided.
Description
Technical field
The present invention relates to a kind of horizontal lying-type exter-nal fixer, have and relate to a kind of exter-nal fixer that patient can be allowed to lie low.
Background technology
Wait in orthopaedics therapy process in fracture, postoperatively penetrate epidermis frequently by various support, skeleton is fixed and makes it to recover, after recovery, pass through trauma operation again, support is removed, whole process need carries out Repeated Operation, and the wound brought human muscle and skin portion is larger, and the convalescence after Miles operation is also long, the compressing that simultaneously traditional support brings osseous part and wound all larger, after traditional exter-nal fixer is installed, human body itself, because the effect of outside steel nail, cannot realize lying low, comfort level is very poor, is not suitable for post-operative recovery;
Existing commercially to this, provide wound degree and minimizing operation number of times when much can reduce operation to a certain extent, the orthopedic fixer healed can be accelerated again simultaneously, if the patent No. is the invention of ZL201120537796.6, where it is proposed a kind of steel wire for skeleton portion parcel, this steel wire is by arranging absorbable material protective sleeve to reduce the damage to skeleton in Steel Wire Surface, reduce the probability of skeleton ischemic necrosis, but itself still realizes the fixing of osseous part by the mode be repeatedly wound around, after skeleton recovers, removing steel wire performs the operation still very large on the skin and muscle bed that bring, the long time is needed to recover,
For another example a kind of patent of invention of patella external fixer is called with ZL201420132756.7 name, wherein it is also proposed a kind of fixed mount of skeleton outside of Wicresoft, this structure comparison comparing class is similar to the fixed structure of steel nail generally used now, its main purpose realizes multi-faceted osseous part to fix, simultaneously the wound brought human body of thin steel nail is also smaller, secondary can be avoided to take out injury that operation brings human body and infection, but in its technical scheme, steel nail plays main supporting role, in order to ensure its certain support performance (i.e. bending strength) thus steel nail itself cannot do thin as acupuncture needle, so the reduction of its steel nail to human epidermal and flesh wound degree is still more limited, and steel nail itself is because its volume cause and special biological property cause, if use titanium alloy etc materials to make, difficulty of processing and cost are all higher, if use the good polymer of some biological properties to make, its intensity cannot ensure again, the main eyelid retractor of this invention is simultaneously an annular metal sheet, during installation, the limbs portion that can treat operation brings blocks, installing can be more difficult, also the accurate installation under X-ray shines cannot be realized,
So in sum, skeleton external stability utensil of the prior art still also exists many deficiencies, such as: the wound that installation brings, secondary take out operation wound, cost cannot reduce, installation difficulty is large.
Summary of the invention
The technical problem to be solved in the present invention is: overcome prior art medium-height trestle and cannot allow patient's implementation platform, the technical problems such as wound is large, fixing operation is complicated are installed simultaneously, can lie low after a kind of operation in patients is provided, simultaneously less to patient trauma, the Orthopedic fixing support even not needing second operation can be reduced.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of horizontal lying-type exter-nal fixer, comprise, fixer in vitro and some longitudinal holders, fixed by fixer in vitro between described some longitudinal holders, described longitudinal holder comprises housing and some surface of bone fixation kits be arranged on housing, described fixer in vitro comprises eyelid retractor, described eyelid retractor comprises the retainer ring being arranged on connection strap both sides, described housing array be fixed on connection strap, a wherein limit of described housing is embedded on connection strap, the axes normal of described housing place plane and connection strap, the centre of housing is provided with bracing frame, support frame as described above comprises pillar and fixing head, described fixing head is arc, described fixing head is fixed with the band for fettering health limb portion,
Described retainer ring comprises retainer ring body, latch assembly and supporting component, described supporting component comprises positioning component and the curved support plate contour with bracing frame, the middle split axle of described curved support plate and the middle split axle of bracing frame coplanar, described curved support plate is fixed on the inner headed face of retainer ring body, described positioning component comprises centered by the center of circle of curved support plate, some fixation forks of annular array, described fixation fork comprises drive rod and clamping fork, the wall of described drive rod and retainer ring body is threaded connection, described clamping fork is arranged on the side of drive rod towards the curved support plate center of circle, described clamping fork is rotationally connected with drive rod, described clamping fork to coordinate with curved support plate and realizes fixing health limb position body surface, the height of support frame as described above mostly is 1/8th of retainer ring diameter most,
Described surface of bone fixation kit comprises several fixed blocks, fixed cable is provided with between described fixed block, described fixed block is fixed on housing, the support frame be at least made up of two fixed cable is comprised between described some longitudinal holders, described support frame contacts with surface of bone, realizes the support of skeleton.
As further innovation of the present invention, described housing is annular.
As further innovation of the present invention, described fixed block comprises a fixing hole for fixing fixed cable, and the sidewall of described fixing hole is provided with lock-screw A.
As further innovation of the present invention, described fixed block comprises one for the sliding eye be socketed with housing, the sidewall of described sliding eye is provided with lock-screw B.
As further innovation of the present invention, described fixed cable comprises elastic threads, and the material of described elastic threads has biocompatibility.
As further innovation of the present invention, described elastic threads adopts aliphatic polyester to make.
As further innovation of the present invention, be provided with reinforced metal cable in the middle part of described elastic threads, the material of described reinforced metal cable has biocompatibility.
As further innovation of the present invention, described reinforced metal cable adopts titanium alloy to make.
As further innovation of the present invention, described housing comprises the connecting rod of more than two sections, is fixedly connected with between described connecting rod by contiguous block.
As further innovation of the present invention, described contiguous block is provided with the fixing hole of two relative contiguous block axisymmetrical, the sidewall of described fixing hole is provided with straight line groove, described contiguous block is provided with one and passes straight-line groove and the screw hole vertical with straight-line groove, in described screw hole, be provided with lock-screw.
The invention has the beneficial effects as follows:
1. the present invention is compared to traditional external bone holder, what the present invention can allow health lie low puts in bed, and unlike traditional external bone holder, need unsettled, can make patient like this in whole recovery process, can feel more comfortable, the present invention simultaneously adopts the cooperation of housing and elastic threads, by the less elastic threads of diameter under the support of housing, form one or more fixing mesh, thus the cooperation realized skeleton, because the low elasticity of elastic threads, not only can ensure the fixing of skeleton, also elastic threads can be prevented the excessive compressing of bone surface simultaneously, cause osteonecrosis,
The present invention is simultaneously because its diameter is less, so during initial surgery, block surface is also smaller, can compare accurate operation, and its wound face of the implantation of elastic threads only has aperture size, can realize the object of Minimally Invasive Surgery;
In addition the present invention also can realize being fastened to skeleton, thus adapts to the situation of comminuted fracture;
Bracing frame of the present invention is fixed by band and human body, draws materials conveniently, fix and take off also more convenient, and the adjustment of bed knife is also more convenient;
Clamping fork of the present invention coordinates with curved support plate, can realize centering automatically fixing, not only ensure that fixing stability, also eliminates when performing the operation, the trouble repeatedly adjusted simultaneously.
2. housing of the present invention also uses the loop configuration that profile is less, shielded area is also smaller, alleviates the weight of whole holder, reduces the difficulty of operation, also saves material.
3. elastic threads of the present invention adopts clamped-in style to fix, and this structure can improve the convenience of installation, and elastic threads also can be installed with a higher pretightning force simultaneously.
4. fixing for sliding between fixed block of the present invention and housing, the position between adjustment fixed block that can be convenient, thus easily according to concrete bone condition, the fixed position of adjustment elastic threads, greatly adds wide usage.
5. the elastic threads that the aliphatic polyester material with biocompatibility is made, because its low biocompatible, after recovery, can stay in the body of human body, the wound degree that secondary removes operation can be reduced, if the destructiveness of skeleton own is little, secondary can not be carried out and remove operation.
6. also add strengthening cable that a titanium alloy makes in tension cable of the present invention to prevent from straining the situation of the elastic threads fracture excessively caused, can directly be extracted out by the strengthening cable of titanium alloy after recovery, part stays in the body and also can not there is too large rejection problems.
7. housing of the present invention is combined by the rod member of more than two sections, can change the quantity of rod member easily according to concrete limbs diameter, also can be received on housing by fixed block cover easily simultaneously.
8. housing of the present invention is fixedly clamped by simple union joint, operates more convenient, and simultaneously for the material that the anti-radial forces such as carbon fiber are poor, this kind of fixed form can ensure certain constant intensity.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is scheme of installation of the present invention;
Fig. 2 is the schematic diagram of using state 1 of the present invention;
Fig. 3 is the schematic diagram of using state 2 of the present invention;
Fig. 4 is the profile of fixed block;
Fig. 5 is the transverse cross-sectional view of contiguous block;
Fig. 6 is housing profile;
Fig. 7 is that the structure of eyelid retractor is always schemed;
Fig. 8 is the structural representation of retainer ring;
Fig. 9 is fixing schematic diagram (front view of using state 1 and using state 2).
In figure: 1, fixed block; 2, housing; 3, fixed cable; 4, skeleton A; 5, skeleton B; 6, skeleton C; 7, fixing head; 8, pillar; 9, retainer ring body; 10, curved support plate; 11, drive rod; 12, clamping fork; 13, connection strap; 14, limb portion;
1-1, fixing hole; 1-2, sliding eye;
2-1, connecting rod; 2-2, contiguous block;
2-2-1, fixing hole; 2-2-2, straight-line groove.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
embodiment 1
Outer bone anchor mainly comprises some longitudinal holders and the connection bracket for being connected and fixed each longitudinal holder, be provided with at the two ends of support for the fixer in vitro fixing with limb part simultaneously, as shown in Fig. 7 ~ 9, fixer in vitro comprises eyelid retractor, eyelid retractor comprises the retainer ring arranging connection strap 13 and be arranged on connection strap 13 both sides, housing 2 array be fixed on connection strap 13, a wherein limit of housing 2 is embedded on connection strap 13, the axes normal of housing 2 place plane and connection strap 13, the centre of housing 2 is provided with bracing frame, bracing frame comprises pillar 8 and fixing head, fixing head is arc, fixing head is fixed with the band for fettering health limb portion 14,
Retainer ring comprises retainer ring body 9, latch assembly and supporting component, supporting component comprises positioning component and the curved support plate 10 contour with bracing frame, the middle split axle of curved support plate 10 and the middle split axle of bracing frame coplanar, curved support plate 10 is fixed on the inner headed face of retainer ring body 9, positioning component comprises centered by the center of circle of curved support plate 10, some fixation forks of annular array, fixation fork comprises folder drive rod 11 and clamping fork 12, folder drive rod 11 is threaded connection with the wall of retainer ring body 9, clamping fork 12 is arranged on the side of folder drive rod 11 towards curved support plate 10 center of circle, clamping fork 12 is rotationally connected with folder drive rod 11, clamping fork 12 coordinate with curved support plate 10 realize to health limb portion 14 position body surface fixing,
As shown in Figure 1, longitudinal holder in this product mainly comprises some fixed blocks 1, is provided with fixed cable 3 between described fixed block 1, and described fixed block is fixed on housing 2, by the location of fixed block on housing 2 between described fixed cable 3, thus surround support frame;
Wherein fixed block (as shown in Figure 4) comprises one for fixed block 1 being overlapped the sliding eye 1-2 received on housing 2, the inwall of sliding eye 1-2 is provided with lock-screw B, fixed block is also provided with one for the fixing hole 1-1 through fixed cable 3, same is provided with a lock-screw A for fixing fixed cable 3 on the sidewall of fixing hole 1-1 simultaneously;
Wherein fixed cable comprises the elastic threads that the aliphatic polyester material with biocompatibility is made, and is provided with the reinforced metal line that the titanium alloy that is similarly biocompatible materials is made in the middle part of elastic threads;
The elastic threads that the aliphatic polyester material with biocompatibility is made, because its low biocompatible, after recovery, can stay in the body of human body, the wound degree that secondary removes operation can be reduced, if the destructiveness of skeleton own is little, secondary can not be carried out and remove operation;
The strengthening cable that titanium alloy is made is to prevent from straining the situation of the elastic threads fracture excessively caused, and can directly be extracted out by the strengthening cable of titanium alloy after recovery, part stays in the body and also can not there is too large rejection problems;
In addition, as Fig. 5, shown in Fig. 6, the connecting rod 2-1 that housing 2 is made up of the carbon fibre materials of two arcs, be formed by connecting by contiguous block 2-2, the connecting rod of carbon fibre materials has higher rigidity, effectively can prevent distortion, quality is also lighter simultaneously, the health load of patient can be reduced, contiguous block 2-2 is provided with two fixing hole 2-2-1 be centrosymmetric relative to contiguous block 2-2 center, the sidewall of centre bore is also provided with straight-line groove 2-2-2, by the end of connecting rod 2-1 is inserted in fixing hole 2-2-1, tighten the lock-screw vertical with straight-line groove 2-2-2, connecting rod 2-1 is made to be clamped in fixing hole 2-2-1, realize fixing.
When fixing, as shown in Figure 2, it is the fixing schematic diagram of single bone (skeleton A4) in Fig. 2, first as the case may be, housing 2 is socketed three pairs of fixed blocks 1, subsequently by the concrete profile of fixed block according to skeleton, be fixed on housing 2, then fixed cable 3 is penetrated into subcutaneous, until draw from the opposite side in limb portion 14, subsequently by the tension of the two ends of fixed cable 3 and by lock-screw A, fixed cable 3 is fixed, fixed cable on second group of fixed block is set subsequently, until skeleton is strapped in Main subrack that fixed cable shown in Fig. 2 surrounds, realize the fixing of skeleton.
embodiment 2
As shown in Figure 3, be the use schematic diagram of the present invention when carrying out many skeletal fixations;
Outer bone anchor mainly comprises some longitudinal holders and the connection bracket for being connected and fixed each longitudinal holder, be provided with at the two ends of support for the fixer in vitro fixing with limb part simultaneously, as shown in Fig. 7 ~ 9, fixer in vitro comprises eyelid retractor, eyelid retractor comprises the retainer ring arranging connection strap 13 and be arranged on connection strap 13 both sides, housing 2 array be fixed on connection strap 13, a wherein limit of housing 2 is embedded on connection strap 13, the axes normal of housing 2 place plane and connection strap 13, the centre of housing 2 is provided with bracing frame, bracing frame comprises pillar 8 and fixing head, fixing head is arc, fixing head is fixed with the band for fettering health limb portion 14,
Retainer ring comprises retainer ring body 9, latch assembly and supporting component, supporting component comprises positioning component and the curved support plate 10 contour with bracing frame, the middle split axle of curved support plate 10 and the middle split axle of bracing frame coplanar, curved support plate 10 is fixed on the inner headed face of retainer ring body 9, positioning component comprises centered by the center of circle of curved support plate 10, some fixation forks of annular array, fixation fork comprises folder drive rod 11 and clamping fork 12, folder drive rod 11 is threaded connection with the wall of retainer ring body 9, clamping fork 12 is arranged on the side of folder drive rod 11 towards curved support plate 10 center of circle, clamping fork 12 is rotationally connected with folder drive rod 11, clamping fork 12 coordinate with curved support plate 10 realize to health limb portion 14 position body surface fixing,
Specifically as shown in Figure 1, longitudinal holder in this product mainly comprises some fixed blocks 1, is provided with fixed cable 3 between described fixed block 1, and described fixed block is fixed on housing 2, by the location of fixed block on housing 2 between described fixed cable 3, thus surround support frame;
Wherein fixed block (as shown in Figure 4) comprises one for fixed block 1 being overlapped the sliding eye 1-2 received on housing 2, the inwall of sliding eye 1-2 is provided with lock-screw B, fixed block is also provided with one for the fixing hole 1-1 through fixed cable 3, same is provided with a lock-screw A for fixing fixed cable 3 on the sidewall of fixing hole 1-1 simultaneously;
Wherein fixed cable comprises the elastic threads that the aliphatic polyester material with biocompatibility is made, and is provided with the reinforced metal line that the titanium alloy that is similarly biocompatible materials is made in the middle part of elastic threads;
As Fig. 5, shown in Fig. 6, the connecting rod 2-1 that housing 2 is made up of the carbon fibre materials of two arcs, be formed by connecting by contiguous block 2-2, the connecting rod of carbon fibre materials has higher rigidity, effectively can prevent distortion, quality is also lighter simultaneously, the health load of patient can be reduced, contiguous block 2-2 is provided with two fixing hole 2-2-1 be centrosymmetric relative to contiguous block 2-2 center, the sidewall of centre bore is also provided with straight-line groove 2-2-2, by the end of connecting rod 2-1 is inserted in fixing hole 2-2-1, tighten the lock-screw vertical with straight-line groove 2-2-2, connecting rod 2-1 is made to be clamped in fixing hole 2-2-1, realize fixing,
Represent the tibia on shank with skeleton B5 in Fig. 3, the fibula on shank is simulated with skeleton C6, first by two pairs of fixed blocks 1 and two fixed cable, realize the fixing of skeleton C5, simultaneously by other two pairs of fixed blocks 1 and other two fixed cable, realize the fixing of skeleton C6, the relative localization that finally can realize between two skeletons by one to two pairs of fixed blocks 1 and fixed cable.
embodiment 3
Fixed cable can be carried out interconnection by the present invention simultaneously between the fixed block of different longitudinal holders, what be such as fixed has 3 longitudinal holders, comprise longitudinal holder A, longitudinal holder B, longitudinal holder C, each longitudinal holder comprises 4 fixed blocks, wherein four fixed blocks of longitudinal holder A are labeled as fixed block AI respectively, fixed block AII, fixed block AIII, fixed block AIV, when cross arrangement, fixed block AI on longitudinal holder A can and the fixed block BII of longitudinal holder B between connected by fixed cable, fixed block AII simultaneously on longitudinal holder A is connected by fixed cable with the fixed block CIV on longitudinal holder C, two fixed cable contact composition support frame with bone surface.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, must determine its technical scope according to right.
Claims (10)
1. a horizontal lying-type exter-nal fixer, comprise fixer in vitro and some longitudinal holders, fixed by fixer in vitro between described some longitudinal holders, described longitudinal holder comprises housing and some surface of bone fixation kits be arranged on housing, it is characterized in that: described fixer in vitro comprises eyelid retractor, described eyelid retractor comprises the retainer ring being arranged on connection strap both sides, described housing array be fixed on connection strap, a wherein limit of described housing is embedded on connection strap, the axes normal of described housing place plane and connection strap, the centre of housing is provided with bracing frame, support frame as described above comprises pillar and fixing head, described fixing head is arc, described fixing head is fixed with the band for fettering health limb portion,
Described retainer ring comprises retainer ring body, latch assembly and supporting component, described supporting component comprises positioning component and the curved support plate contour with bracing frame, the middle split axle of described curved support plate and the middle split axle of bracing frame coplanar, described curved support plate is fixed on the inner headed face of retainer ring body, described positioning component comprises centered by the center of circle of curved support plate, some fixation forks of annular array, described fixation fork comprises drive rod and clamping fork, the wall of described drive rod and retainer ring body is threaded connection, described clamping fork is arranged on the side of drive rod towards the curved support plate center of circle, described clamping fork is rotationally connected with drive rod, described clamping fork to coordinate with curved support plate and realizes fixing health limb position body surface, the height of support frame as described above mostly is 1/8th of retainer ring diameter most,
Described surface of bone fixation kit comprises several fixed blocks, fixed cable is provided with between described fixed block, described fixed block is fixed on housing, the support frame be at least made up of two fixed cable is comprised between described some longitudinal holders, described support frame contacts with surface of bone, realizes the support of skeleton.
2. a kind of horizontal lying-type exter-nal fixer as claimed in claim 1, is characterized in that: described housing is annular.
3. a kind of horizontal lying-type exter-nal fixer as claimed in claim 1, is characterized in that: described fixed block comprises a fixing hole for fixing fixed cable, the sidewall of described fixing hole is provided with lock-screw A.
4. a kind of horizontal lying-type exter-nal fixer as claimed in claim 1, is characterized in that: described fixed block comprises one for the sliding eye be socketed with housing, the sidewall of described sliding eye is provided with lock-screw B.
5. a kind of horizontal lying-type exter-nal fixer as claimed in claim 1, it is characterized in that: described fixed cable comprises elastic threads, the material of described elastic threads has biocompatibility.
6. a kind of horizontal lying-type exter-nal fixer as claimed in claim 5, is characterized in that: described elastic threads adopts aliphatic polyester to make.
7. a kind of horizontal lying-type exter-nal fixer as claimed in claim 5, is characterized in that: be provided with reinforced metal cable in the middle part of described elastic threads, and the material of described reinforced metal cable has biocompatibility.
8. a kind of horizontal lying-type exter-nal fixer as claimed in claim 7, is characterized in that: described reinforced metal cable adopts titanium alloy to make.
9. a kind of horizontal lying-type exter-nal fixer as claimed in claim 1, be is characterized in that: described housing comprises the connecting rod of more than two sections, is fixedly connected with between described connecting rod by contiguous block.
10. a kind of horizontal lying-type exter-nal fixer as claimed in claim 9, it is characterized in that: described contiguous block is provided with the fixing hole of two relative contiguous block axisymmetrical, the sidewall of described fixing hole is provided with straight line groove, described contiguous block is provided with one and passes straight-line groove and the screw hole vertical with straight-line groove, in described screw hole, be provided with lock-screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577958.7A CN104323841B (en) | 2014-10-24 | 2014-10-24 | A kind of horizontal lying-type exter-nal fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577958.7A CN104323841B (en) | 2014-10-24 | 2014-10-24 | A kind of horizontal lying-type exter-nal fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323841A true CN104323841A (en) | 2015-02-04 |
| CN104323841B CN104323841B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410577958.7A Expired - Fee Related CN104323841B (en) | 2014-10-24 | 2014-10-24 | A kind of horizontal lying-type exter-nal fixer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693105A (en) * | 2017-11-21 | 2018-02-16 | 周小媚 | A kind of minimally-invasive bone fixation cable implantation equipment and its bone fixation method |
| CN107802335A (en) * | 2017-11-21 | 2018-03-16 | 周小媚 | A kind of elastic wire fixes union device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090177199A1 (en) * | 2001-10-18 | 2009-07-09 | Lagwire, Llc | Cap device for use in the fixation of bone structures |
| CN201295278Y (en) * | 2008-11-18 | 2009-08-26 | 刘三运 | Reposition fixater for calcaneum fracture |
| US20100076436A1 (en) * | 2007-08-16 | 2010-03-25 | Nutek Orthopaedics, Inc. | Apparatus for external fixation of a fractured distal radius with angularly adjustable pin clamping means |
| 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 |
-
2014
- 2014-10-24 CN CN201410577958.7A patent/CN104323841B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090177199A1 (en) * | 2001-10-18 | 2009-07-09 | Lagwire, Llc | Cap device for use in the fixation of bone structures |
| US20100076436A1 (en) * | 2007-08-16 | 2010-03-25 | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693105A (en) * | 2017-11-21 | 2018-02-16 | 周小媚 | A kind of minimally-invasive bone fixation cable implantation equipment and its bone fixation method |
| CN107802335A (en) * | 2017-11-21 | 2018-03-16 | 周小媚 | A kind of elastic wire fixes union device |
| CN107802335B (en) * | 2017-11-21 | 2020-10-23 | 赵郁 | Elastic steel wire fixing fracture healing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104323841B (en) | 2017-10-10 |
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