CN106308912A - Hand bone fixer for preventing osteonecrosis - Google Patents

Hand bone fixer for preventing osteonecrosis Download PDF

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Publication number
CN106308912A
CN106308912A CN201610803377.XA CN201610803377A CN106308912A CN 106308912 A CN106308912 A CN 106308912A CN 201610803377 A CN201610803377 A CN 201610803377A CN 106308912 A CN106308912 A CN 106308912A
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China
Prior art keywords
fixing
bone
wrist
fixing bar
palm
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CN201610803377.XA
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Chinese (zh)
Inventor
徐朝文
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Yantai Millet Machinery Technology Co Ltd
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Yantai Millet Machinery Technology Co Ltd
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Priority to CN201610803377.XA priority Critical patent/CN106308912A/en
Publication of CN106308912A publication Critical patent/CN106308912A/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
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
    • 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
    • A61B17/66—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
    • A61B17/6416—Devices extending alongside the bones to be positioned with non-continuous, e.g. hinged, pin-clamp connecting element
    • 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

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

Abstract

The invention relates to a hand bone fixer for preventing osteonecrosis. The hand bone fixer for preventing osteonecrosis comprises a wrist restraining device, a palm fixation device and a bone surface fixation component. The wrist restraining device includes a wrist fixation ring and an arm wrapped plate; The arm wrapped plate is rotatably connected with the palm fixation device through the wrist fixation ring; the bone surface fixation component is arranged between two supporting components of the palm fixation device, and includes fixing blocks arranged on fixing bars; fixing cables are arranged between the fixing blocks; The bone surface fixation component achieves the fixation of bones through a number of bone fixed frames composed of the fixing cables in contact with the surface of a bone.

Description

A kind of hand bone anchor of anti-osteonecrosis
The application is divisional application.Original bill Patent No.: 201410578178.4, the applying date: on October 24th, 2014, sends out Bright entitled: a kind of hand bone anchor.
Technical field
The present invention relates to a kind of hand bone anchor, have and relate to a kind of cooperation using cable and hand fixer, enter The exter-nal fixer that row hand osseous part is fixing.
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 time when much can reduce operation to a certain extent Number, can accelerate the most again the orthopedic fixer of healing, such as the invention of Patent No. ZL201120537796.6, where it is proposed A kind of steel wire for skeleton portion parcel, this steel wire reduces bone by arranging absorbable material protection set in Steel Wire Surface The damage of bone, reduces the probability of skeleton ischemic necrosis, but itself still realizes the fixing of osseous part by the way of being repeatedly wound around, After skeleton recovers, remove on the steel wire skin that brought of operation and muscle bed the biggest, need the long time to carry out 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 one Planting the fixed mount outside skeleton of Wicresoft, this structure comparison compares the fixed structure of the steel nail being similar to commonly use now, Its main purpose 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 takes out injury and the infection that human body is brought by operation, 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 its steel nail Human epidermal and flesh wound degree are reduced or ratio is relatively limited, and steel nail itself is because of its volume reason and special Biological property reason, if use titanium alloy etc materials make, difficulty of processing and cost are the highest, if use one If a little preferable polymer of biological property make, its intensity cannot ensure again, and the main eyelid retractor of this invention simultaneously is a ring Shape metallic plate, during installation, can treat the limbs portion of operation and bring and block, and installing can be relatively difficult, also cannot realize X-ray according under Accurate installation；
So in sum, skeleton external stability utensil of the prior art still also exists the deficiency of many, such as: peace Wound, secondary that dress brings take out operation wound, cost cannot reduce, installation difficulty is big；
Simultaneously for the irregular bone of non-straight tube bone shape, it is similar to hands bone, then needs special fixed mechanism to be fixed, And in the prior art, skeletal fixation device like this compares shortage.
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:
The hand bone anchor of a kind of anti-osteonecrosis, including wrist binder, palm holder and surface of bone fixation kit, institute State palm binder and include wrist retainer ring and arm encapsulation plate；
Described wrist retainer ring includes 2 hinge assemblies, is provided with one and supplies wrist to penetrate between described hinge assembly Cavity A, described hinge assembly includes ring and lower toroidal ring, passes through bearing between inwall and the lower toroidal ring outer wall of described upper ring It is rotationally connected；
It is rotationally connected by wrist retainer ring between described arm encapsulation plate and palm holder；
Described palm holder includes symmetrically arranged two support components, and described support component includes gripper shoe, described Gripper shoe is arc, and on the arcwall face of described gripper shoe, arcuate array is provided with N number of rotation seat, and described rotation seat is rotationally connected There is fixing bar, described fixing bar is provided with a sliding tray that axis is parallel therewith, in described sliding tray, be provided with an edge Screw group A of sliding tray rectilinear movement, is provided with screw group B in the sliding tray of adjacent fixing bar, described screw group A and Connected by connecting plate between screw group B；
It is socketed with the retainer ring for fixed finger between the fixing bar that palm holder vertical direction two is corresponding；
Surface of bone fixation kit is arranged between two support components of palm holder, and described surface of bone fixation kit includes setting Put the fixed block on fixing bar, between described fixed block, be provided with fixed cable；
It is right that described surface of bone fixation kit is realized by the skeletal fixation framework that some fixed cable contacted with surface of bone form Fixing of skeleton.
Described wrist retainer ring be provided with some support bars in appearance, described support bar uses latch plate to make.
Described fixed block includes that one is provided with lock on the fixing hole fixing fixed cable, the sidewall of described fixing hole Tight screw A；
Described fixed block also includes one for the sliding eye being socketed with fixing bar A, fixing bar B, the side of described sliding eye Lock-screw B it is provided with on wall.
The invention has the beneficial effects as follows:
1. the present invention fixer in vitro by a cooperation corresponding with hand, it is achieved solid to the hurtless measure of human body Fixed, to fix compared to traditional steel nail, the initial stage installs and later stage dismounting is convenient, and contact surface is bigger simultaneously, the most stable, The coordinating of elastic threads and the support bar serving as framework effect simultaneously, by the less elastic threads of diameter under the support of fixing bar, Form one or more fixing mesh, thus realize the cooperation to skeleton, because the low elasticity of elastic threads, be possible not only to ensure bone Fixing of bone, 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, 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 present invention is by screw group A, screw group B and the cooperation of connecting plate simultaneously, in that context it may be convenient to adjust between fixing bar Expanded angle, thus just hand is adjusted easily；
In addition the present invention also can realize being fastened skeleton, thus adapts to the situation of comminuted fracture；
The fixing bar of the present invention also uses the rod-like structure that profile is less, shielded area is smaller, alleviates whole The weight of holder, reduces the difficulty of operation, also saves material.
2., in the case of the centre of the palm supporting plate of the present invention can be installed not affecting fixed cable, bring certain relaxing to patient Appropriateness.
3. 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.
4. fixing for sliding between fixed block and the fixing bar of the present invention, between adjustment fixed block that can be convenient Position, thus easily according to concrete bone condition, adjust the fixed position of elastic threads, wide usage has been significantly greatly increased.
5. 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.
6. 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.
7. the support bar of the present invention uses elastomeric material to make, and adds holder to the sticking nature of human body and stability.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is transverse cross-sectional view of the present invention；
Fig. 3 is the schematic diagram of fixed block of the present invention；
Fig. 4 is the structural representation of the embodiment of the present invention 2；
In figure: 1, fixed block；2, fixing bar；3, fixed cable；4, arm encapsulation plate；5, support bar；6, screw group A；7、 Connecting plate；8, wrist retainer ring；9, gripper shoe；10, centre of the palm supporting plate；11, screw group B；1-1, fixing hole；1-2, sliding eye.
Detailed description of the invention
The hand bone anchor of a kind of anti-osteonecrosis, including wrist binder, palm holder and surface of bone fixation kit, institute State palm binder and include wrist retainer ring and arm encapsulation plate；
Described wrist retainer ring includes 2 hinge assemblies, is provided with one and supplies wrist to penetrate between described hinge assembly Cavity A, described hinge assembly includes ring and lower toroidal ring, passes through bearing between inwall and the lower toroidal ring outer wall of described upper ring It is rotationally connected；
It is rotationally connected by wrist retainer ring between described arm encapsulation plate and palm holder；
Described palm holder includes symmetrically arranged two support components, and described support component includes gripper shoe, described Gripper shoe is arc, and on the arcwall face of described gripper shoe, arcuate array is provided with N number of rotation seat, and described rotation seat is rotationally connected There is fixing bar, described fixing bar is provided with a sliding tray that axis is parallel therewith, in described sliding tray, be provided with an edge Screw group A of sliding tray rectilinear movement, is provided with screw group B in the sliding tray of adjacent fixing bar, described screw group A and Connected by connecting plate between screw group B；
It is socketed with the retainer ring for fixed finger between the fixing bar that palm holder vertical direction two is corresponding；
Surface of bone fixation kit is arranged between two support components of palm holder, and described surface of bone fixation kit includes setting Put the fixed block on fixing bar, between described fixed block, be provided with fixed cable；
It is right that described surface of bone fixation kit is realized by the skeletal fixation framework that some fixed cable contacted with surface of bone form Fixing of skeleton.
Described hand bone anchor also includes that centre of the palm supporting plate, described centre of the palm supporting plate include housing and supporting network, described housing Fixing with gripper shoe between two support components and be connected, described supporting network is arranged in the middle of shell.
Described wrist retainer ring be provided with some support bars in appearance, described support bar uses latch plate to make.
Described fixed block includes that one is provided with lock on the fixing hole fixing fixed cable, the sidewall of described fixing hole Tight screw A；
Described fixed block also includes one for the sliding eye being socketed with fixing bar A, fixing bar B, the side of described sliding eye Lock-screw B it is provided with on wall.
Described fixed cable includes that elastic threads, the material of described elastic threads have biocompatibility.Described elastic threads uses Aliphatic polyester is made.Being provided with reinforced metal cable in the middle part of described elastic threads, the material of described reinforced metal cable has biology The compatibility, described reinforced metal cable uses titanium alloy to make.
The present invention is further detailed explanation below in conjunction with the accompanying drawings.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
As shown in Figures 1 to 3, the present invention is the hand bone anchor of a kind of anti-osteonecrosis, is mainly used in carrying out postoperative hand Skeletal fixation, the main body of the present invention includes arm encapsulation plate 4, wrist retainer ring 8, palm holder and surface of bone fixation kit, institute State arm encapsulation plate 4 for cylindrical shape；
Described wrist retainer ring 8 includes 2 laterally zygomorphic hinge assemblies, is provided with a confession between described hinge assembly The parallel cavities A that wrist penetrates, described hinge assembly includes upper ring and the lower toroidal ring socket-connected mutually, the inwall of described upper ring And be rotationally connected by bearing between lower toroidal ring outer wall；
Described palm holder includes two support components of setting symmetrical above and below, and described support component includes gripper shoe 9, Described gripper shoe 9 is fan-shaped, and in the cambered surface of described gripper shoe 9, arcuate array is provided with 5 rotation seats, and described rotation seat rotates Connecting and have a back-shaped fixing bar 2, the straight line pylone of the centre of described fixing bar 2 is sliding tray, arranges in described sliding tray There is screw group A6 along sliding tray rectilinear movement, in the sliding tray of adjacent fixing bar, be provided with screw group B11, institute State and connected, by stirring rotor plate 7 by connecting plate 7 between screw group A6 and screw group B11, thus it is possible to vary between fixing bar 2 Distance, such that it is able to be adjusted according to concrete hand size, at corresponding fixing of palm holder vertical direction two The retainer ring for fixed finger it is socketed with between bar, in order to ensure the stability fixed, the setting in appearance of wrist retainer ring Some support bars 5, described support bar 5 is had to use latch plate to make；
Above-mentioned upper support component is fixing with the lower toroidal ring of upper hinge assembly to be connected, and the lower toroidal ring of upper hinge assembly and arm Encapsulation plate 4 is fixing to be connected, and hand can be facilitated to carry out minor rotation by this structure, improve comfort level when recovering；
Also fixing a netted centre of the palm supporting plate on lower supporting plate, centre of the palm supporting plate is fixed on gripper shoe by housing simultaneously On；
Surface of bone fixation kit is arranged between two support components of palm holder, and described surface of bone fixation kit includes setting Put the fixed block 1 on fixing bar, between described fixed block, be provided with fixed cable 3；
It is right that described surface of bone fixation kit is realized by the skeletal fixation framework that some fixed cable contacted with surface of bone form Fixing of skeleton；
During installation, first pass through arm encapsulation plate 4 and wrist retainer ring 8 is fixed to the upper and lower sides of wrist, pass through spiral shell subsequently Gripper shoe 9 is fixed in wrist retainer ring 8 by nail, adjusts each fixing bar 2 subsequently, adjust rear lock-screw group A and lock Tight screw group B, is fixed to fixed cable 3 on the skeleton of fracture by operation subsequently, and fixed block 1 is back-shaped for prefabricated being socketed in Fixing bar on, subsequently by fixed block 1 by fixed cable strain.
Embodiment 2
In order to improve the detachability of fixed block, present invention also offers a kind of structure-improved；
As shown in Figure 1, Figure 2 and Figure 4, the present invention is the hand bone anchor of a kind of anti-osteonecrosis, is mainly used in carrying out art Rear hand skeletal fixation, the main body of the present invention includes that arm encapsulation plate 4, wrist retainer ring 8, palm holder and surface of bone fix group Part, described arm encapsulation plate 4 is cylindrical shape；
Described wrist retainer ring 8 includes 2 laterally zygomorphic hinge assemblies, is provided with a confession between described hinge assembly The parallel cavities A that wrist penetrates, described hinge assembly includes upper ring and the lower toroidal ring socket-connected mutually, the inwall of described upper ring And be rotationally connected by bearing between lower toroidal ring outer wall；
Described palm holder includes two support components of setting symmetrical above and below, and described support component includes gripper shoe 9, Described gripper shoe 9 is fan-shaped, and in the cambered surface of described gripper shoe 9, arcuate array is provided with 5 rotation seats, and described rotation seat rotates Connecting has fixing bar 2, described fixing bar 2 to be provided with a back-shaped portion near the side of rotation seat, and the centre in back-shaped portion is one Sliding tray, is provided with screw group A6 in sliding tray, be provided with one in the side that bar 2 fixed dorsad by fixing bar 2 for fixing solid Determine the derivative bar of block 2, be thus free to adjust the quantity of fixed block, in the sliding tray of adjacent fixing bar, be provided with one Individual screw group B11, is connected, by stirring rotor plate 7, Ke Yigai by connecting plate 7 between described screw group A6 and screw group B11 Become the distance between fixing bar 2, such that it is able to be adjusted according to concrete hand size, in palm holder vertical direction two It is socketed with the retainer ring for fixed finger between the fixing bar of individual correspondence, in order to ensure the stability fixed, wrist retainer ring Be provided with some support bars 5 in appearance, described support bar 5 uses latch plate to make；
Above-mentioned upper support component is fixing with the lower toroidal ring of upper hinge assembly to be connected, and the lower toroidal ring of upper hinge assembly and arm Encapsulation plate 4 is fixing to be connected, and hand can be facilitated to carry out minor rotation by this structure, improve comfort level when recovering；
Also fixing a netted centre of the palm supporting plate on lower supporting plate, centre of the palm supporting plate is fixed on gripper shoe by housing simultaneously On；
Surface of bone fixation kit is arranged between two support components of palm holder, and described surface of bone fixation kit includes setting Put the fixed block 1 on fixing bar, between described fixed block, be provided with fixed cable 3；
It is right that described surface of bone fixation kit is realized by the skeletal fixation framework that some fixed cable contacted with surface of bone form Fixing of skeleton；
During installation, first pass through arm encapsulation plate 4 and wrist retainer ring 8 is fixed to the upper and lower sides of wrist, pass through spiral shell subsequently Gripper shoe 9 is fixed in wrist retainer ring 8 by nail, adjusts each fixing bar 2 subsequently, subsequently by operation by solid for fixed cable 3 Fixed on the skeleton of fracture, fixed block 1 is prefabricated being socketed on back-shaped fixing bar, subsequently by fixed block 1 by fixing line Cable is strained.
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. the hand bone anchor of an anti-osteonecrosis, it is characterised in that: include that wrist binder, palm holder and surface of bone are solid Determining assembly, described palm binder includes wrist retainer ring and arm encapsulation plate；
Described wrist retainer ring includes 2 hinge assemblies, is provided with a cavity penetrated for wrist between described hinge assembly A, described hinge assembly includes ring and lower toroidal ring, is rotated by bearing between inwall and the lower toroidal ring outer wall of described upper ring Connect；
It is rotationally connected by wrist retainer ring between described arm encapsulation plate and palm holder；
Described palm holder includes symmetrically arranged two support components, and described support component includes gripper shoe, described support Plate is arc, and on the arcwall face of described gripper shoe, arcuate array is provided with N number of rotation seat, described rotation seat is rotatably connected to solid Fixed pole, described fixing bar is provided with a sliding tray that axis is parallel therewith, is provided with one along sliding in described sliding tray Screw group A of groove rectilinear movement, is provided with screw group B, described screw group A and screw in the sliding tray of adjacent fixing bar Connected by connecting plate between group B；
It is socketed with the retainer ring for fixed finger between the fixing bar that palm holder vertical direction two is corresponding；
Surface of bone fixation kit is arranged between two support components of palm holder, and described surface of bone fixation kit includes being arranged on Fixed block on fixing bar, is provided with fixed cable between described fixed block；
The skeletal fixation framework that described surface of bone fixation kit consists of some fixed cable contacted with surface of bone realizes skeleton Fixing；
Described wrist retainer ring be provided with some support bars in appearance, described support bar uses latch plate to make；
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；
Described fixed block also include one for fixing bar A, the sliding eye of fixing bar B socket, on the sidewall of described sliding eye It is provided with lock-screw B.
CN201610803377.XA 2014-10-24 2014-10-24 Hand bone fixer for preventing osteonecrosis Pending CN106308912A (en)

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CN201610803377.XA CN106308912A (en) 2014-10-24 2014-10-24 Hand bone fixer for preventing osteonecrosis

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CN201610803377.XA CN106308912A (en) 2014-10-24 2014-10-24 Hand bone fixer for preventing osteonecrosis
CN201410578178.4A CN104323837B (en) 2014-10-24 2014-10-24 A kind of hand bone anchor

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Family Applications (19)

Application Number Title Priority Date Filing Date
CN201610802689.9A Withdrawn CN106236218A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor adapting to comminuted fracture
CN201610803355.3A Pending CN106236223A (en) 2014-10-24 2014-10-24 A kind of AT hand bone anchor
CN201610802637.1A Withdrawn CN106308903A (en) 2014-10-24 2014-10-24 Hand bone fixator with small size
CN201610803361.9A Pending CN106308911A (en) 2014-10-24 2014-10-24 Light and stable hand skeleton fixer
CN201610803362.3A Pending CN106308907A (en) 2014-10-24 2014-10-24 Light hand skeleton fixer with high attaching degree
CN201610802640.3A Withdrawn CN106214234A (en) 2014-10-24 2014-10-24 A kind of dismounting and hand bone anchor easy to adjust
CN201610802674.2A Withdrawn CN106256328A (en) 2014-10-24 2014-10-24 A kind of convenient hand bone anchor adjusted
CN201610803363.8A Pending CN106308908A (en) 2014-10-24 2014-10-24 Light hand skeleton fixer
CN201410578178.4A Expired - Fee Related CN104323837B (en) 2014-10-24 2014-10-24 A kind of hand bone anchor
CN201610802434.2A Withdrawn CN106108990A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor of hurtless measure and anti-osteonecrosis
CN201610802687.XA Withdrawn CN106308910A (en) 2014-10-24 2014-10-24 Hand fixator with low traumatic effects
CN201610803312.5A Pending CN106236221A (en) 2014-10-24 2014-10-24 The hand bone anchor that a kind of wide usage is strong
CN201610803377.XA Pending CN106308912A (en) 2014-10-24 2014-10-24 Hand bone fixer for preventing osteonecrosis
CN201610802714.3A Withdrawn CN106236220A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor of good stability
CN201610802664.9A Withdrawn CN106214235A (en) 2014-10-24 2014-10-24 The hand bone anchor that a kind of docile degree is high
CN201610802700.1A Withdrawn CN106236219A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor being capable of Minimally Invasive Surgery
CN201610803354.9A Pending CN106236222A (en) 2014-10-24 2014-10-24 The hand bone anchor that a kind of wound degree is low and comfort level is high
CN201610802639.0A Withdrawn CN106308904A (en) 2014-10-24 2014-10-24 Hand bone fixator with high comfort
CN201610803353.4A Pending CN106308906A (en) 2014-10-24 2014-10-24 Hand bone fixer of simple assembly

Family Applications Before (12)

Application Number Title Priority Date Filing Date
CN201610802689.9A Withdrawn CN106236218A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor adapting to comminuted fracture
CN201610803355.3A Pending CN106236223A (en) 2014-10-24 2014-10-24 A kind of AT hand bone anchor
CN201610802637.1A Withdrawn CN106308903A (en) 2014-10-24 2014-10-24 Hand bone fixator with small size
CN201610803361.9A Pending CN106308911A (en) 2014-10-24 2014-10-24 Light and stable hand skeleton fixer
CN201610803362.3A Pending CN106308907A (en) 2014-10-24 2014-10-24 Light hand skeleton fixer with high attaching degree
CN201610802640.3A Withdrawn CN106214234A (en) 2014-10-24 2014-10-24 A kind of dismounting and hand bone anchor easy to adjust
CN201610802674.2A Withdrawn CN106256328A (en) 2014-10-24 2014-10-24 A kind of convenient hand bone anchor adjusted
CN201610803363.8A Pending CN106308908A (en) 2014-10-24 2014-10-24 Light hand skeleton fixer
CN201410578178.4A Expired - Fee Related CN104323837B (en) 2014-10-24 2014-10-24 A kind of hand bone anchor
CN201610802434.2A Withdrawn CN106108990A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor of hurtless measure and anti-osteonecrosis
CN201610802687.XA Withdrawn CN106308910A (en) 2014-10-24 2014-10-24 Hand fixator with low traumatic effects
CN201610803312.5A Pending CN106236221A (en) 2014-10-24 2014-10-24 The hand bone anchor that a kind of wide usage is strong

Family Applications After (6)

Application Number Title Priority Date Filing Date
CN201610802714.3A Withdrawn CN106236220A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor of good stability
CN201610802664.9A Withdrawn CN106214235A (en) 2014-10-24 2014-10-24 The hand bone anchor that a kind of docile degree is high
CN201610802700.1A Withdrawn CN106236219A (en) 2014-10-24 2014-10-24 A kind of hand bone anchor being capable of Minimally Invasive Surgery
CN201610803354.9A Pending CN106236222A (en) 2014-10-24 2014-10-24 The hand bone anchor that a kind of wound degree is low and comfort level is high
CN201610802639.0A Withdrawn CN106308904A (en) 2014-10-24 2014-10-24 Hand bone fixator with high comfort
CN201610803353.4A Pending CN106308906A (en) 2014-10-24 2014-10-24 Hand bone fixer of simple assembly

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Country Link
CN (19) CN106236218A (en)

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CN106308907A (en) 2017-01-11
CN106308910A (en) 2017-01-11
CN106256328A (en) 2016-12-28
CN106236218A (en) 2016-12-21
CN106236221A (en) 2016-12-21
CN106214235A (en) 2016-12-14
CN106236219A (en) 2016-12-21
CN106214234A (en) 2016-12-14
CN106308904A (en) 2017-01-11
CN106308906A (en) 2017-01-11
CN106108990A (en) 2016-11-16
CN104323837A (en) 2015-02-04
CN106236222A (en) 2016-12-21
CN106308911A (en) 2017-01-11
CN106236223A (en) 2016-12-21
CN104323837B (en) 2016-11-23
CN106308908A (en) 2017-01-11
CN106308903A (en) 2017-01-11
CN106236220A (en) 2016-12-21

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Application publication date: 20170111