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CN106361419A - Working method of skeletal external fixation device capable of adapting to comminuted fracture - Google Patents

Working method of skeletal external fixation device capable of adapting to comminuted fracture Download PDF

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Publication number
CN106361419A
CN106361419A CN201610807543.3A CN201610807543A CN106361419A CN 106361419 A CN106361419 A CN 106361419A CN 201610807543 A CN201610807543 A CN 201610807543A CN 106361419 A CN106361419 A CN 106361419A
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CN
China
Prior art keywords
fixed
fixing
cable
housing
skeleton
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Granted
Application number
CN201610807543.3A
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Chinese (zh)
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CN106361419B (en
Inventor
不公告发明人
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Shandong Guojiutang Pharmaceutical Group Co ltd
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Individual
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Priority to CN201610807543.3A priority Critical patent/CN106361419B/en
Priority claimed from CN201410578513.0A external-priority patent/CN104323840B/en
Publication of CN106361419A publication Critical patent/CN106361419A/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
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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
    • 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 or setting implements
    • 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
    • A61B17/00234—Surgical instruments, devices or methods 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
    • A61B2017/00831—Material properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements 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 or setting implements for external osteosynthesis, e.g. distractors, contractors with resilient spring element

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
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  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Epidemiology (AREA)
  • Vascular Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Neurology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The invention relates to a working method of a skeletal external fixation device capable of adapting to comminuted fracture. The skeletal external fixation device comprises a bone surface fixing component, an external fixing device and a longitudinal outer frame, wherein the longitudinal outer frame is in a coil spring shape; the bone surface fixing component comprises a plurality of fixing blocks; fixing cables are arranged among the fixing blocks; the fixing blocks are fixed on the longitudinal outer frame; the fixing cables define a supporting framework by the fixing blocks. According to the working method disclosed by the invention, by matching the outer frame with tightening lines, the tightening lines with smaller diameters form one or more fixing meshes under the supporting of the outer frame, thereby realizing the matching of skeletons; the tightening lines have low elasticity, so that the fixation of the skeletons can be guaranteed; meanwhile, excessive compression of the tightening lines to the surfaces of the skeletons also can be prevented, and osteonecrosis is prevented.

Description

A kind of method of work of the exter-nal fixer being suitable for comminuted fracture
Technical field
The present invention relates to a kind of ring spring shape exter-nal fixer, have and be related to a kind of carry out outside the fixing bone of osseous part using cable Holder.
Background technology
In fracture etc. during orthopaedics therapy, postoperative penetrate epidermis frequently by various supports, skeleton is fixed to be made Recovery, after recovery, then pass through trauma operation, support is removed, whole process needs to carry out Repeated Operation, to human body The wound ratio that muscle and skin portion bring is larger, and the convalescence after Miles operation is also long, and simultaneously traditional support is to osseous part band The compressing coming and wound are all than larger；
To this currently on the market, there is provided wound degree and minimizing operation number of times when much can reduce operation to a certain extent, same When can accelerate the orthopedic fixer that heals, the such as invention of Patent No. zl201120537796.6 again, where it is proposed one kind For the steel wire of skeleton portion parcel, this steel wire is reduced to skeleton by arranging absorbable material protective case in Steel Wire Surface Damage, reduce the probability of skeleton ischemic necrosis, but itself still realizes the fixation of osseous part by way of multiple winding, in bone After bone recovers, remove still very big on the brought skin of steel wire operation and muscle bed, need the long time to be recovered；
For another example with a kind of entitled patent of invention 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 compares structure fixed similar to the steel nail commonly using now, its master Syllabus is to realize multi-faceted osseous part to fix, and the wound that thin steel nail brings to human body simultaneously is also smaller, can avoid secondary Take out injury and the infection that operation brings to human body, 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 or ratio are relatively limited, and steel nail itself is because its volume reason and special life Physical performance reason, if being made using titanium alloy etc materials, difficulty of processing and cost are all higher, if using some lifes 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 Belong to plate, during installation, the limbs portion that can treat operation brings and blocks, installing can be relatively difficult, also cannot realize the standard under x illumination Really install；
So in sum, skeleton external stability utensil of the prior art still has the deficiency of many, for example: installs band The wound come, secondary taking-up operation wound, cost cannot reduce, installation difficulty is big.
Content of the invention
The technical problem to be solved in the present invention is: overcomes prior art medium-height trestle to install big, fixing operation complexity of wound etc. Technical problem, provides 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 longitudinal housing and some bone faces being arranged on outer inframe are fixed Assembly；
Described longitudinal housing is ring spring shape, and described bone face fixation kit includes the fixed block that several are fixed on longitudinal housing, It is provided with fixed cable between described fixed block, between described housing, be provided with the carriage being at least made up of two fixed cable Frame, described support frame contacts, realizes the support of skeleton with bone face；
Described fixer in vitro includes two fixing plugs being arranged on longitudinal housing axial direction both sides, and the outer wall of described fixing plug sets It is equipped with the corresponding thread groove of internal ring with described longitudinal housing, in the middle part of described fixing plug, be provided with a cylindrical hole, institute State the support set being provided with circular tube shaped in cylindrical hole, described fixing plug is made up of at least two arc blocks.
As the innovation further of the present invention, the upper and lower ends of described fixing plug are provided with annular groove, described arc block Between be fixedly connected by the jump ring being arranged in annular groove.
As the innovation further of the present invention, described fixed block includes a fixing hole for fixing fixed cable, institute State and lock-screw a is provided with the side wall of fixing hole.
As the innovation further of the present invention, described fixed block includes one for the sliding eye with housing socket, described It is provided with lock-screw b on the side wall of sliding eye.
As the innovation further of the present invention, described fixed cable includes elastic threads, and the material of described elastic threads has life The thing compatibility.
As the innovation further of the present invention, described elastic threads is made using aliphatic polyester.
As the innovation further 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 innovation further of the present invention, described reinforced metal cable is made using titanium alloy.
As the innovation further of the present invention, support set is made using flexible material.
The invention has the beneficial effects as follows:
The present invention adopts 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 realizing the cooperation to skeleton, because the low elasticity of elastic threads, consolidating of skeleton not only can be ensured Fixed, it is also possible to prevent the excessive compressing to bone surface for the elastic threads simultaneously, cause osteonecrosis；
, because its diameter is less, during initial surgery, block surface is also smaller for the present invention simultaneously, 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；
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 micro deformation according to the shape of human arm, and because the elasticity of spring itself, may be used again Self modification is carried out with the skeleton to straight barrel type；
Support set can be prevented fixing plug inwall from being rubbed with human epidermal, cause epidermis while fixing plug screws in Damaged.
In addition the present invention also can achieve and skeleton is fastened, thus adapting to the situation of comminuted fracture.
The method of work of above-mentioned ring spring shape exter-nal fixer is it is characterised in that include: when fixing, first according to concrete Situation, fixed cable is penetrated into subcutaneous, until the opposite side from limb portion is drawn, is subsequently inserted in longitudinal housing 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 are strained and by lock Tight screw a, fixed cable 3 is fixed, and subsequently arranges second to the fixed cable on fixed block, until being strapped in skeleton The center inframe that fixed cable shown in Fig. 2 is surrounded, realizes the fixation of skeleton.
1st, the housing of the present invention also uses the loop configuration that profile is less, shielded area is also smaller, alleviates whole The weight of holder, reduces the difficulty of operation, also saves material.
2nd, the elastic threads of the present invention is fixed using clamped-in style, and this structure can improve the convenience of installation, strain simultaneously Line can also be installed with a higher pretightning force.
3rd, it is to slide to fix between the fixed block of the present invention and housing, the position between adjustment fixed block that can be convenient Put, thus easily according to specific bone condition, adjusting the fixed position of elastic threads, wide usage has been significantly greatly increased.
4th, there is the elastic threads that the aliphatic polyester material of biocompatibility is made, because its low biocompatible, extensive After multiple, the internal of human body can be stayed, the secondary wound degree removing operation can be reduced, if skeleton destructiveness itself is not If big, secondary dismounting can not be carried out and perform the operation.
5th, it is also added into strengthening cable that a titanium alloy makes in the tension cable of the present invention to prevent tension from excessively leading The strengthening cable of titanium alloy can directly be extracted out by the situation of the tension thread breakage causing after recovery, is not partially left in vivo also not Can there are too big rejection problems.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
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；2nd, longitudinal housing；3rd, fixed cable；4th, skeleton a；5th, skeleton b；6th, skeleton c；7th, fixing plug；8th, prop up Support set；9th, jump ring；
1-1, fixing hole；1-2, sliding eye.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with Illustration illustrates the basic structure of the present invention, and therefore it only shows the composition relevant with the present invention.
Embodiment 1
Outer bone anchor mainly includes some longitudinally fixed devices and the connecting bracket for each longitudinally fixed device that is connected, with When, 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 improved, cancel original steel nail type and fix；
Specifically as shown in figure 1, the longitudinal housing in this product is ring spring shape, longitudinally outer inframe is provided with bone face fixation kit, bone 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, pass through positioning on fixing housing 2 for the fixed block between described fixed cable 3, thus surrounding support frame；
Wherein fixed block is (as shown in Figure 4) includes one and is used for 1 set of sliding eye 1-2 being connected on fixing housing 2 of fixed block, Lock-screw b is provided with 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 a lock-screw a for fixing fixed cable 3 on the side wall of fixing hole 1-1；
Wherein fixed cable includes thering is 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 be similarly the reinforced metal line that the titanium alloy of biocompatible materialses 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, the secondary wound degree removing operation can be reduced, if skeleton destructiveness itself is little, Secondary dismounting can not be carried out perform the operation；
The strengthening cable that titanium alloy is made, after recovery can be direct to prevent from straining the situation of the tension thread breakage excessively leading to The strengthening cable of titanium alloy is extracted out, being partially left at also is not in too big rejection problems in vivo；
Additionally, as shown in Figure 1, Figure 6, Figure 7, the side of fixing housing 2 is provided with two fixing plugs 7, the outer wall setting of fixing plug 7 Have and longitudinal corresponding thread groove of housing inwall, be internally provided with one for installing support set 8 in fixing plug 7 simultaneously Through hole, has an installing hole for laying arm or leg in support set 8 middle setting, and support set 8 is generally silica gel etc. Gas permeable material is made；
Fixing plug 7 is made up of two semicircular arc blocks simultaneously, and the upper and lower ends 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, it is the fixing schematic diagram of single bone (skeleton a4) in Fig. 2, first 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, fixed block is fixed on longitudinal housing by lock-screw b, the two ends of fixed cable 3 is strained and by locking Screw a, fixed cable 3 is fixed, and subsequently arranges second to the fixed cable on fixed block, until skeleton is strapped in figure The center inframe that fixed cable shown in 2 is surrounded, realizes the fixation of skeleton.
Embodiment 2
As shown in figure 3, being the use schematic diagram when carrying out many skeletal fixations for the present invention；
Outer bone anchor mainly includes some longitudinally fixed devices and the connecting bracket for each longitudinally fixed device that is connected, with When, 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 improved, cancel original steel nail type and fix；
Specifically as shown in figure 1, the longitudinally fixed device in this product mainly includes some fixed blocks 1, arrange between described fixed block 1 There is fixed cable 3, described fixed block is fixed on fixing housing 2, pass through fixed block between described fixed cable 3 in fixing housing Positioning on 2, thus surround support frame；
Wherein fixed block is (as shown in Figure 4) includes one and is used for 1 set of sliding eye 1-2 being connected on fixing housing 2 of fixed block, Lock-screw b is provided with 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 a lock-screw a for fixing fixed cable 3 on the side wall of fixing hole 1-1；
Wherein fixed cable includes thering is 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 be similarly the reinforced metal line that the titanium alloy of biocompatible materialses is made；
First as the case may be, fixed cable 3 is penetrated into subcutaneous, until the opposite side from limb portion is drawn, subsequently will be longitudinally Housing is inserted in 2 arms being nested into human body, and fixed block is fixed on longitudinal housing by lock-screw b, by fixed cable 3 Two ends are strained and are passed through lock-screw a, and fixed cable 3 is fixed, and subsequently setting second is to the fixing line on fixed block Cable；
Represent the tibia on shank in Fig. 3 with skeleton b5, simulate the fibula on shank with skeleton c6, first pass through two pairs of fixed blocks 1 and two fixed cable, realize the fixation of skeleton c5, pass through two further pairs fixed block 1 and other two fixing lines simultaneously Cable, realizes the fixation of skeleton c6, finally can realize the phase between two skeletons by one to two pairs of fixed blocks 1 and fixed cable To positioning.
Embodiment 3
Fixed cable can be carried out interconnection between the fixed block of different longitudinally fixed devices by the present invention simultaneously, for example, 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 wherein longitudinally fixed device a are respectively labeled as fixed block ai, fixed block aii, fixation Block aiii, fixed block aiv, in cross arrangement, the fixed block ai on longitudinally fixed device a can be with the fixation of longitudinally fixed device b Connected by fixed cable between block bii, simultaneously the fixed block on the fixed block aii and longitudinally fixed device c on longitudinally fixed device a 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 various change and modification can be carried out 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 kind of 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 bone face fixation kit；
Described longitudinal housing is ring spring shape, and described bone face fixation kit includes the fixed block that several are fixed on longitudinal housing, It is provided with fixed cable between described fixed block, be provided with, between described housing, the support frame being made up of two fixed cable, Described support frame contacts, realizes the support of skeleton with bone face；
Described fixer in vitro includes two fixing plugs being arranged on longitudinal housing axial direction both sides, and the outer wall of described fixing plug sets It is equipped with the corresponding thread groove of internal ring with described longitudinal housing, in the middle part of described fixing plug, be provided with a cylindrical hole, institute State the support set being provided with circular tube shaped in cylindrical hole, described fixing plug is made up of two arc blocks；
The upper and lower ends of described fixing plug are provided with annular groove, by the card being arranged in annular groove between described arc block Spring is fixedly connected；
Described fixed block includes a fixing hole for fixing fixed cable, and the side wall of described fixing hole is provided with locking screw Nail a；
Described fixed block includes one for the sliding eye with housing socket, and the side wall of described sliding eye is provided with lock-screw b；
Support set is made using flexible material；Fixed cable includes having that the aliphatic polyester material of biocompatibility makes draws Stringing；
The method of work of described ring spring shape exter-nal fixer, comprising: when fixing, first as the case may be, by fixing line Cable penetrate into subcutaneous, until from limb portion opposite side draw, subsequently longitudinal housing is inserted in the arm being nested into human body, will fix Block is fixed on longitudinal housing by lock-screw b, the two ends of fixed cable is strained and passes through lock-screw a, will fix Cable is fixed, and subsequently arranges second to the fixed cable on fixed block, until surrounded skeleton constraint fixed cable Center inframe, realizes the fixation of skeleton.
CN201610807543.3A 2014-10-24 2014-10-24 A kind of exter-nal fixer being suitable for comminuted fracture Active CN106361419B (en)

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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
CN201610808907.XA Expired - Fee Related CN106236226B (en) 2014-10-24 2014-10-24 A coil-spring external fixator adaptable to comminuted fractures
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
CN201610808693.6A Expired - Fee Related CN106214236B (en) 2014-10-24 2014-10-24 A kind of ring spring shape exter-nal fixer for realizing Minimally Invasive Surgery purpose
CN201610806457.0A Withdrawn CN106236224A (en) 2014-10-24 2014-10-24 Adapt to the ring spring shape exter-nal fixer of comminuted fracture
CN201610807543.3A Active CN106361419B (en) 2014-10-24 2014-10-24 A kind of exter-nal fixer being suitable for 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
CN201610808907.XA Expired - Fee Related CN106236226B (en) 2014-10-24 2014-10-24 A coil-spring external fixator adaptable to comminuted fractures
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
CN201610808693.6A Expired - Fee Related CN106214236B (en) 2014-10-24 2014-10-24 A kind of ring spring shape exter-nal fixer for realizing Minimally Invasive Surgery purpose
CN201610806457.0A Withdrawn CN106236224A (en) 2014-10-24 2014-10-24 Adapt to the ring spring shape exter-nal fixer of comminuted fracture

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CN106236226B (en) 2019-08-09
CN106308913A (en) 2017-01-11
CN106236224A (en) 2016-12-21
CN106214236A (en) 2016-12-14
CN106236225B (en) 2019-07-16
CN106214236B (en) 2018-11-09
CN106236225A (en) 2016-12-21
CN106388919A (en) 2017-02-15
CN106388919B (en) 2019-03-12
CN106236227B (en) 2019-06-14
CN106236227A (en) 2016-12-21
CN106236226A (en) 2016-12-21
CN104323840A (en) 2015-02-04

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