CN106236227A - The ring spring shape exter-nal fixer of Minimally Invasive Surgery can be realized - Google Patents

The ring spring shape exter-nal fixer of Minimally Invasive Surgery can be realized Download PDF

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Publication number
CN106236227A
CN106236227A CN201610808909.9A CN201610808909A CN106236227A CN 106236227 A CN106236227 A CN 106236227A CN 201610808909 A CN201610808909 A CN 201610808909A CN 106236227 A CN106236227 A CN 106236227A
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fixed
fixing
housing
cable
fixer
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Granted
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CN201610808909.9A
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CN106236227B (en
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不公告发明人
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Shandong Zhongya Information Technology Co.,Ltd.
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吴昊
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Priority to CN201610808909.9A priority Critical patent/CN106236227B/en
Priority claimed from CN201410578513.0A external-priority patent/CN104323840B/en
Publication of CN106236227A publication Critical patent/CN106236227A/en
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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
    • A61B17/66—Alignment, compression or distraction mechanisms
    • 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
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
    • 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
    • A61B17/64—Devices extending alongside the bones to be positioned
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • 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
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
    • 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
    • A61B17/82—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/02—Inorganic materials
    • A61L31/022—Metals or alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/148—Materials at least partially resorbable by the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • 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
    • A61B2017/564—Methods for bone or joint treatment
    • 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
    • A61B2017/606—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 with resilient spring element

Abstract

The present invention relates to a kind of ring spring shape exter-nal fixer realizing Minimally Invasive Surgery, including surface of bone fixation kit, fixer in vitro and longitudinal housing, longitudinal housing is ring spring shape, described surface of bone fixation kit includes some fixed blocks, it is provided with fixed cable between described fixed block, described fixed block is fixed on longitudinal housing, support frame is surrounded by fixed block between described fixed cable, the present invention uses 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 realize the cooperation to skeleton, because the low elasticity of elastic threads, it is possible not only to ensure the fixing of skeleton, it is also possible to prevent the elastic threads excessive compressing to bone surface simultaneously, cause osteonecrosis.

Description

The ring spring shape exter-nal fixer of Minimally Invasive Surgery can be realized
Technical field
The present invention relates to a kind of ring spring shape exter-nal fixer, have and relate to a kind of using cable to carry out outside the bone that osseous part is fixing Holder.
Background technology
During the orthopaedics therapies such as fracture, postoperative penetrate epidermis frequently by various supports, skeleton is fixed and makes Recovery, after recovery, then by trauma operation, support is removed, whole process needs to carry out Repeated Operation, to human body The wound that muscle and skin portion bring is bigger, and the convalescence after Miles operation is the most long, and the most traditional support is to osseous part band Compressing and the wound come are the biggest；
To this currently on the market, it is provided that wound degree and minimizing operation number of times when much can reduce operation to a certain extent, same Time again can accelerate healing orthopedic fixer, such as the invention of Patent No. ZL201120537796.6, where it is proposed one For the steel wire of skeleton portion parcel, this steel wire reduces skeleton by arranging absorbable material protection set in Steel Wire Surface Damage, reduces the probability of skeleton ischemic necrosis, but itself still realizes the fixing, at bone of osseous part by the way of being repeatedly wound around After bone recovers, remove on the steel wire skin that brought of operation and muscle bed the biggest, need the long time to recover；
For another example with the patent of invention of the entitled a kind of patella external fixer of ZL201420132756.7, wherein it is also proposed a kind of micro- The fixed mount outside skeleton of wound, this structure comparison compares the fixed structure of the steel nail being similar to commonly use now, and it is main Syllabus is to realize multi-faceted osseous part to fix, and the wound that human body is brought by the thinnest steel nail is smaller, can avoid secondary Take out injury and infection that human body is brought by operation, but in its technical scheme, steel nail play 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 its steel nail is to people The reduction of body surface skin and flesh wound degree still ratio is relatively limited, and steel nail itself is because of its volume reason and special life Physical performance reason, if using titanium alloy etc materials to make, difficulty of processing and cost are the highest, if using some raw If the preferable polymer of physical performance makes, its intensity cannot ensure again, and the main eyelid retractor of this invention simultaneously is an annular gold Belonging to plate, during installation, can treat the limbs portion of operation and bring and block, installing can be relatively difficult, also cannot realize X-ray according under standard Really install；
So in sum, skeleton external stability utensil of the prior art still also exists the deficiency of many, such as: install band The wound, the secondary that come take out operation wound, cost cannot reduce, installation difficulty is big.
Summary of the invention
The technical problem to be solved in the present invention is: overcome prior art medium-height trestle to install wound operation complexity big, fixing etc. Technical problem, it is provided that a kind of less to setter wound, it is possible to reduce even without the Orthopedic fixing support of second operation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ring spring shape exter-nal fixer, including fixer in vitro and longitudinally fixed device, passes through body between described longitudinally fixed device External fixator is fixed to body surface, and described longitudinally fixed device includes that longitudinal housing and some surfaces of bone being arranged in housing are fixed Assembly；
Described longitudinal housing is ring spring shape, and described surface of bone fixation kit includes several fixed blocks being fixed on longitudinal housing, It is provided with fixed cable between described fixed block, between described housing, is provided with the carriage being at least made up of two fixed cable Frame, described support frame contacts, realizes the support of skeleton with surface of bone；
Described fixer in vitro includes two fixing plugs being arranged on longitudinal axial both sides of housing, and the outer wall of described fixing plug sets It is equipped with the thread groove corresponding with the internal ring of described longitudinal housing, in the middle part of described fixing plug, is provided with a cylindrical hole, institute Being provided with the support set of circular tube shaped in stating cylindrical hole, described fixing plug is made up of at least two arc block.
As the further innovation of the present invention, the two ends up and down of described fixing plug are provided with annular groove, described arc block Between connect by the jump ring that is arranged in annular groove is fixing.
As the further innovation of the present invention, described fixed block includes one for the fixing hole fixing fixed cable, institute State and on the sidewall of fixing hole, be provided with lock-screw A.
As the further innovation of the present invention, described fixed block include one for the sliding eye being socketed with housing, described Lock-screw B it is provided with on the sidewall of sliding eye.
As the further innovation of the present invention, described fixed cable includes that elastic threads, the material of described elastic threads have life The thing compatibility.
As the further innovation of the present invention, described elastic threads uses aliphatic polyester to make.
As the further innovation of the present invention, in the middle part of described elastic threads, it is provided with reinforced metal cable, described reinforced metal line The material of cable has biocompatibility.
As the further innovation of the present invention, described reinforced metal cable uses titanium alloy to make.
As the further innovation of the present invention, support set uses flexible material to make.
The invention has the beneficial effects as follows:
The present invention uses the cooperation of housing and elastic threads, by the less elastic threads of diameter under the support of housing, forms one Or multiple fixing mesh, thus realize the cooperation to skeleton, because the low elasticity of elastic threads, it is possible not only to ensure consolidating of skeleton Fixed, it is also possible to prevent the elastic threads excessive compressing to bone surface simultaneously, causes osteonecrosis；
The present invention is because its diameter is less simultaneously, so during initial surgery, block surface is smaller, can compare 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；
The housing of the wound spring shape of the present invention, not only increases globality, simultaneously as the elasticity of spring resisting longitudinal deformation, makes The housing obtaining the present invention can carry out the deformation of trace according to the shape of human arm, and because the elasticity of spring itself, again may be used Self modification is carried out with the skeleton to straight barrel type；
Support set can prevent fixing plug inwall from rubbing with human epidermal, cause epidermis while fixing plug screws in Damaged.
In addition the present invention also can realize being fastened skeleton, thus adapts to the situation of comminuted fracture.
The method of work of above-mentioned ring spring shape exter-nal fixer, it is characterised in that including: when fixing, first according to concrete Situation, penetrates into subcutaneous by fixed cable, until the opposite side from limb portion is drawn, is inserted in by longitudinal direction housing subsequently and is nested into human body Arm, fixed block is fixed on longitudinal housing by lock-screw B, the two ends of fixed cable 3 is strained and by lock Tight screw A, is fixed fixed cable 3, arranges the fixed cable on second pair of fixed block subsequently, until being strapped in by skeleton In the Main subrack that fixed cable shown in Fig. 2 is surrounded, it is achieved fixing of skeleton.
1, the housing of the present invention also uses the loop configuration that profile is less, shielded area is smaller, alleviates whole The weight of holder, reduces the difficulty of operation, also saves material.
2, the elastic threads of the present invention uses clamped-in style to fix, and this structure can improve the convenience of installation, strains simultaneously Line can also be installed with a higher pretightning force.
3, fixing for sliding between fixed block and the housing of the present invention, between adjustment fixed block that can be convenient position Put, thus easily according to concrete bone condition, adjust the fixed position of elastic threads, wide usage has been significantly greatly increased.
4, there is the elastic threads that the aliphatic polyester material of biocompatibility is made, because its low biocompatible, extensive After Fu, the internal of human body can be stayed, secondary can be reduced and remove the wound degree of operation, if the destructiveness of skeleton own is not If great, secondary can not be carried out and remove operation.
5, the tension cable of the present invention is also added into the strengthening cable that a titanium alloy makes excessively to lead to prevent from straining The situation of the elastic threads fracture caused, after recovery can directly by the extraction of the strengthening cable of titanium alloy, be partially left at internal the most not The biggest rejection problems can be there is.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is scheme of installation of the present invention；
Fig. 2 is the schematic diagram of the use state 1 of the present invention；
Fig. 3 is the schematic diagram of the use state 2 of the present invention；
Fig. 4 is the profile of fixed block；
Fig. 5 is the schematic diagram of longitudinal housing；
Fig. 6 is the profile of fixing plug；
Fig. 7 is the structural representation of fixing plug；
In figure: 1, fixed block；2, longitudinal housing；3, fixed cable；4, skeleton A；5, skeleton B；6, skeleton C；7, fixing plug；8, prop up Support set；9, jump ring；
1-1, fixing hole；1-2, sliding eye.
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 with The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
Outer bone anchor mainly includes some longitudinally fixed devices and for connecting the connection support fixing each longitudinally fixed device, with In time, be provided with for the fixer in vitro fixing with limb part at the two ends of support, and this product is mainly to for being connected with skeleton Longitudinally fixed device improve, cancel original steel nail type and fix；
Concrete as it is shown in figure 1, the longitudinal housing in this product is ring spring shape, it is provided with surface of bone fixation kit, bone in longitudinal housing Face fixation kit mainly includes some fixed blocks 1, is provided with fixed cable 3 between described fixed block 1, and described fixed block is fixed on On fixing housing 2, by fixed block location on fixing housing 2 between described fixed cable 3, thus surround support frame；
Wherein fixed block (as shown in Figure 4) include one for by fixed block 1 set receive the sliding eye 1-2 on fixing housing 2, It is provided with lock-screw B on the inwall of sliding eye 1-2, is additionally provided with one on fixed block for through fixed cable 3 simultaneously Fixing hole 1-1, same is provided with one for the lock-screw A fixing fixed cable 3 on the sidewall of fixing hole 1-1；
Wherein fixed cable includes having the elastic threads that the aliphatic polyester material of biocompatibility is made, and sets in the middle part of elastic threads It is equipped with and is similarly the reinforced metal line that the titanium alloy of biocompatible materials is made；
There is the elastic threads that the aliphatic polyester material of biocompatibility is made, because its low biocompatible, after recovery, can To stay the internal of human body, secondary can be reduced and remove the wound degree of operation, 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, after recovery can be direct to prevent from straining the situation of the elastic threads fracture excessively caused The strengthening cable of titanium alloy is extracted out, is partially left at and internal does not also have the biggest rejection problems；
Additionally, as shown in Figure 1, Figure 6, Figure 7, the side of fixing housing 2 is provided with two fixing plugs 7, and the outer wall of fixing plug 7 is arranged There is the thread groove corresponding with longitudinal housing inwall, be internally provided with one for installing support set 8 at fixing plug 7 simultaneously Through hole, is provided with one for the installing hole laying arm or leg, support set 8 generally silica gel etc. in the middle of support set 8 Gas permeable material is made；
Fixing plug 7 is made up of two semicircular arc blocks simultaneously, and the two ends up and down of arc block longitudinal direction are provided with two The groove of annular, is fixed together by two jump rings 9 between arc block；
When fixing, as depicted in figs. 1 and 2, Fig. 2 is the fixing schematic diagram of single bone (skeleton A4), the most as the case may be, Fixed cable 3 is penetrated into subcutaneous, until the opposite side from limb portion is drawn, subsequently longitudinal housing is inserted in 2 and is nested into human body Arm, is fixed to fixed block on longitudinal housing by lock-screw B, is strained at the two ends of fixed cable 3 and by locking Screw A, is fixed fixed cable 3, arranges the fixed cable on second pair of fixed block subsequently, until skeleton is strapped in figure In the Main subrack that fixed cable shown in 2 is surrounded, it is achieved fixing of skeleton.
Embodiment 2
As it is shown on figure 3, be the present invention use schematic diagram when carrying out many skeletal fixations；
Outer bone anchor mainly includes some longitudinally fixed devices and for connecting the connection support fixing each longitudinally fixed device, with In time, be provided with for the fixer in vitro fixing with limb part at the two ends of support, and this product is mainly to for being connected with skeleton Longitudinally fixed device improve, cancel original steel nail type and fix；
Concrete as it is shown in figure 1, the longitudinally fixed device in this product mainly includes some fixed blocks 1, arrange between described fixed block 1 Fixed cable 3, described fixed block is had to be fixed on fixing housing 2, by fixed block at fixing housing between described fixed cable 3 Location on 2, thus surround support frame；
Wherein fixed block (as shown in Figure 4) include one for by fixed block 1 set receive the sliding eye 1-2 on fixing housing 2, It is provided with lock-screw B on the inwall of sliding eye 1-2, is additionally provided with one on fixed block for through fixed cable 3 simultaneously Fixing hole 1-1, same is provided with one for the lock-screw A fixing fixed cable 3 on the sidewall of fixing hole 1-1；
Wherein fixed cable includes having the elastic threads that the aliphatic polyester material of biocompatibility is made, and sets in the middle part of elastic threads It is equipped with and is similarly the reinforced metal line that the titanium alloy of biocompatible materials is made；
The most as the case may be, fixed cable 3 is penetrated into subcutaneous, until the opposite side from limb portion is drawn, subsequently will longitudinally Housing is inserted in 2 arms being nested into human body, is fixed on longitudinal housing by lock-screw B by fixed block, by fixed cable 3 Two ends are strained and by lock-screw A, fixed cable 3 are fixed, arrange the fixing line on second pair of fixed block subsequently Cable；
Fig. 3 represents with skeleton B5 the tibia on shank, with the fibula on skeleton C6 simulation shank, first passes through two pairs of fixed blocks 1 and two fixed cable, it is achieved skeleton C5's is fixing, simultaneously by two further pairs fixed block 1 and other two fixing lines Cable, it is achieved skeleton C6's is fixing, finally can realize the phase between two skeletons by one to two pairs of fixed blocks 1 and fixed cable To location.
Embodiment 3
Fixed cable can be carried out interconnection between the fixed block of different longitudinally fixed devices by the present invention simultaneously, such as, enter What row was fixing has 3 longitudinally fixed devices, including longitudinally fixed device A, longitudinally fixed device B, longitudinally fixed device C, fixes longitudinally in each Device includes 4 fixed blocks, and four fixed blocks of the most longitudinally fixed device A are respectively labeled as fixed block AI, fixed block AII, fix Block AIII, fixed block AIV, when cross arrangement, the fixed block AI on longitudinally fixed device A can fixing with longitudinally fixed device B Connected by fixed cable between block BII, the fixed block AII on the most longitudinally fixed device A and the fixed block on longitudinally fixed device C CIV is connected by fixed cable, and two fixed cable contact one support frame of composition with bone surface.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.

Claims (1)

1. a ring spring shape exter-nal fixer, including fixer in vitro and longitudinally fixed device, passes through between described longitudinally fixed device Fixer in vitro is fixed to body surface, it is characterized in that: described longitudinally fixed device includes longitudinal housing and some is arranged on housing Interior surface of bone fixation kit；
Described longitudinal housing is ring spring shape, and described surface of bone fixation kit includes several fixed blocks being fixed on longitudinal housing, It is provided with fixed cable between described fixed block, between described housing, is provided with the support frame being made up of two fixed cable, Described support frame contacts, realizes the support of skeleton with surface of bone；
Described fixer in vitro includes two fixing plugs being arranged on longitudinal axial both sides of housing, and the outer wall of described fixing plug sets It is equipped with the thread groove corresponding with the internal ring of described longitudinal housing, in the middle part of described fixing plug, is provided with a cylindrical hole, institute Being provided with the support set of circular tube shaped in stating cylindrical hole, described fixing plug is made up of two arc blocks；
The two ends up and down of described fixing plug are provided with annular groove, by the card being arranged in annular groove between described arc block Spring is fixing to be connected；
Described fixed block includes that one is provided with locking screw on the fixing hole fixing fixed cable, the sidewall of described fixing hole Nail A；
Support set uses flexible material to make；
Middle fixed cable includes having the elastic threads that the aliphatic polyester material of biocompatibility is made；
Reinforced metal cable it is provided with in the middle part of described elastic threads.
CN201610808909.9A 2014-10-24 2014-10-24 The ring spring shape exter-nal fixer of Minimally Invasive Surgery can be achieved Active CN106236227B (en)

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CN201610807543.3A Active CN106361419B (en) 2014-10-24 2014-10-24 A kind of exter-nal fixer being suitable for comminuted fracture
CN201610808508.3A Withdrawn CN106308913A (en) 2014-10-24 2014-10-24 Ring-spring-shaped external fixator adaptive to comminuted fracture and working method thereof
CN201610807146.6A Active CN106388919B (en) 2014-10-24 2014-10-24 The ring spring shape exter-nal fixer and its working method of Minimally Invasive Surgery purpose can be achieved
CN201610808545.4A Active CN106236225B (en) 2014-10-24 2014-10-24 A kind of ring spring shape exter-nal fixer adapting to comminuted fracture
CN201610808693.6A Active CN106214236B (en) 2014-10-24 2014-10-24 A kind of ring spring shape exter-nal fixer for realizing Minimally Invasive Surgery purpose
CN201610808909.9A Active CN106236227B (en) 2014-10-24 2014-10-24 The ring spring shape exter-nal fixer of Minimally Invasive Surgery can be achieved
CN201610808907.XA Active CN106236226B (en) 2014-10-24 2014-10-24 It is suitable for the ring spring shape exter-nal fixer of comminuted fracture
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CN201610808508.3A Withdrawn CN106308913A (en) 2014-10-24 2014-10-24 Ring-spring-shaped external fixator adaptive to comminuted fracture and working method thereof
CN201610807146.6A Active CN106388919B (en) 2014-10-24 2014-10-24 The ring spring shape exter-nal fixer and its working method of Minimally Invasive Surgery purpose can be achieved
CN201610808545.4A Active CN106236225B (en) 2014-10-24 2014-10-24 A kind of ring spring shape exter-nal fixer adapting to comminuted fracture
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CN114917009B (en) * 2022-05-12 2022-10-25 中国人民解放军总医院第四医学中心 Full-thread lag screw with enhanced mechanics

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CN106236226A (en) 2016-12-21
CN106236226B (en) 2019-08-09
CN104323840A (en) 2015-02-04
CN106388919B (en) 2019-03-12
CN106236225B (en) 2019-07-16
CN106236224A (en) 2016-12-21
CN106388919A (en) 2017-02-15
CN106214236B (en) 2018-11-09
CN106308913A (en) 2017-01-11
CN106361419B (en) 2019-07-19
CN106236225A (en) 2016-12-21
CN106361419A (en) 2017-02-01
CN106214236A (en) 2016-12-14

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