CN106175902A - The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus - Google Patents

The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus Download PDF

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CN106175902A
CN106175902A CN201610523464.XA CN201610523464A CN106175902A CN 106175902 A CN106175902 A CN 106175902A CN 201610523464 A CN201610523464 A CN 201610523464A CN 106175902 A CN106175902 A CN 106175902A
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noumenon
astragalus
veins
steel plate
locking steel
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CN106175902B (en
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崔永锋
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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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • 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
    • A61L31/08—Materials for coatings
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61L31/08—Materials for coatings
    • A61L31/10—Macromolecular materials
    • 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
    • A61L31/16—Biologically active materials, e.g. therapeutic substances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00526—Methods of manufacturing
    • 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
    • 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
    • A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
    • A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
    • 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
    • A61L2420/00—Materials or methods for coatings medical devices
    • A61L2420/06—Coatings containing a mixture of two or more compounds

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Abstract

The outside miniature locking steel plate of veins of tarsal sinus approach before the open a kind of astragalus of the present invention, including horizontal the first noumenon and the second longitudinal body, the end that second body is connected to the first noumenon is one-body molded with the first noumenon, and the first noumenon and the second body are provided with lock hole, a diameter of 3.5mm of lock hole；The first noumenon a length of 2～3.5cm, the second body length is 1～2.3cm, and thickness is 2.0 2.5mm, and width is 1.0 1.5cm.Front outside veins of tarsal sinus approach, can reset or bone grafting to articular surface bone piece under direct-view, and little to the damage of astragalus blood supply.Ankle miniature steel plate being positioned over the outer lower side of astragalus in veins of tarsal sinus, reduces the impact on joint motion and blood supply as far as possible, the present invention is applicable to Hawkins typing II, III, IV type and Sneppen typing II, IV, V-type fracture of talus.

Description

The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially relate to outside veins of tarsal sinus approach miniature locking steel before a kind of astragalus Plate, belongs to Orthopeadic Surgery wound field internal fixation steel plate for fracture series.
Background technology
Astragalus is positioned at ankle and foot, is one piece of important bone structure of ankle and foot, and its structure is unique, and entire weight passes via astragalus Leading, load weight, blood supply is poor.Astragalus does not has muscle to adhere to, and has 7 articular surfaces and 10 ligament attachments, and its blood supply is mainly derived from Ligament attachment point and vasa vasorum, astragalus blood supply schematic diagram as shown in Figure 1 and Figure 2.With reference to Fig. 3, when astragalus is fractured, especially When it merges dislocation of talus, its blood supply is destroyed, and easily causes nonunion, pseudoarticulation formation and talus necrosis.Displacement Fracture of talus necrosis incidence rate reach 42%, the fracture necrosis rate merging subtalar joint dislocation reaches 91%.Therefore, astragalus bone The treatment of folding becomes clinical difficult and complicated illness.
Fracture of talus treatment is characterized by anatomical reduction, rebuilds articular surface, strong fixing, and this is to reduce necrosis rate, subtract The important measures of few sequela.In using front side, rear side or front in clinic and document, outside combined approach fixes sclerite more, But because the visual field limits, it is impossible to articular surface is resetted, generally requires expansion otch, even need malleolus ability very well Expose, add the risk of damage blood supply, lose the advantage of mini-incision.
The fixed form of main flow mainly uses lag screw, Kirschner wire, steel plate at present.As shown in Fig. 4 A, 4B, lag screw Astragalus is carried out longitudinal pressing, but the fracture pulverizing cervical region or articular surface is the most inapplicable, easily causes astragalus cripetura and articular surface Out-of-flatness, is therefore only applicable to Fracture Simple；Kirschner wire fixation intensity difference, is seldom used alone；Shown in Fig. 5 A, 5B, steel plate is many Using 1/3 tubular, reconstruction plate, ankle miniature steel plate, the above two profiles do not meet Tail shape, as used manual bending, then High to bending skill set requirements, and reduce the original intensity of steel plate, the latter is the most soft, and intensity is far from meeting astragalus Mechanics demand.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of for fracture of talus open reduction and Kirschner wire fixation, and indication is Before Hawkins typing II, III, IV type and Sneppen typing II, IV, V-type pulverize the astragalus of fracture of talus, outside veins of tarsal sinus enters The miniature locking steel plate in road.
For solving the problems referred to above, the outside miniature locking steel plate of veins of tarsal sinus approach before the astragalus of the present invention, including horizontal the One body and the second longitudinal body, the end that the second body is connected to the first noumenon is one-body molded with the first noumenon, first Body and the second body are provided with lock hole A3, a diameter of 3.5mm of lock hole；The first noumenon a length of 2～3.5cm, the second body A length of 1～2.3cm, thickness is 2.0-2.5mm, and width is 1.0-1.5cm.
Preferably, before astragalus in the miniature locking steel plate of veins of tarsal sinus approach of outside the second body in the projection of the first noumenon plane With the angle that the first noumenon has 40-60 degree at connecting portion, plane residing for plane residing for the second body and the first noumenon has 10- The angle of 25 degree,
Preferably, before astragalus, in the miniature locking steel plate of veins of tarsal sinus approach of outside, the first noumenon and the second body use titanium alloy Material, wherein the mass percentage content of alloying element is: Zn 1-6%, Si 0.4-5%, Mn 0.06-0.8%, Zr 0.2- 1%, Sn 0.5-4.7%, Sr 0.5-5%, rare earth element 0.2-3%, Hf 1.45-1.52%, Co 0.3-1.1%, Ni 0.03-0.4%, methyl propanediol 0.5-2.3%, remaining is titanium.
Preferably, before astragalus, in the miniature locking steel plate of veins of tarsal sinus approach of outside, the first noumenon and the second body are additionally provided with antibacterial Layer, described antibiotic layer is made up of the alkyl silane of band functional group, chondroitin sulfate, the acrylic resin with activating carboxy acid's group Mixture cover have anti-microbial property nano-metal particles assemble constitute.
The invention still further relates to prepare the method for the outside miniature locking steel plate of veins of tarsal sinus approach before astragalus, including: alloy will be contained The material of element is put under vacuum conditions in smelting furnace and is heated to molten condition and becomes aluminium alloy；In addition noble gas makes smelting furnace Air pressure reaches 10 atmospheric pressure；Keep heating and stir aluminium alloy 15min；Add slag former slag making also in an inert atmosphere Deslagging；Aluminium alloy is poured in mold and be cooled to flat sheet with holes；After sheet material is heated to 380-420 DEG C on stamping machine Punch forming；Is polished in marginal portion；Cleaning, cleans in the water that temperature is 100 DEG C, and uses ultrasonic wave concussion, ultrasound wave Frequency is 25kHz, scavenging period 2～5 minutes, spray antimicrobial layer in an aseptic environment.
Preferably, before preparing astragalus, in the method for the outside miniature locking steel plate of veins of tarsal sinus approach, stamping machine includes frame, the end Seat, rotating mechanism, punch assembly, wherein base is located in frame, and base is installed rotating mechanism；It is provided with many on rotating mechanism Individual mould, flat sheet is positioned in mould, and rotating mechanism is connected to base by guide rail slide, makes the mould can be above base Punch assembly rotates, and rotating mechanism is additionally provided with velocity measurement mechanisms；Punch assembly is hydraulic package, and hydraulic package can move up and down, liquid Pressure assembly is connected with frame by hydraulic pump, and hydraulic pump drives hydraulic package horizontal movement, makes punch assembly in up and down motion During can move with constant level, when making punching press, punch assembly moves with mould level of synchronization；Stamping machine also includes control machine Structure, controlling organization includes programmable logic controller (PLC) PLC, control panel, servo-driver；Stamping machine also includes material fetching mechanism, The flat sheet completing punching press is taken out in mould.
The blood supply of astragalus is essentially from vola instep pipe tremulous pulse, the triangle tremulous pulse of inner side and dorsal artery of foot cervical branch, and front outside Astragalus sinus artery only supply the 1/8-1/4 region outside body of talus, therefore this approach is little to blood supply damage.Front outside veins of tarsal sinus Approach, can reset or bone grafting to articular surface bone piece under direct-view.Ankle miniature steel plate is positioned over astragalus in veins of tarsal sinus Outer lower side, reduces the impact on joint motion and blood supply as far as possible, it is adaptable to Hawkins typing II, III, IV type and Sneppen Typing II, IV, V-type fracture of talus.
The present invention: 1) solve to be used for fixing at present the present situation of fracture of talus, the locking of the present invention without Suitable anatomical shape steel plate Steel plate uses anatomical shape, reduces astragalus and the interference of the biological nature of surrounding tissue；2) locking steel plate uses lock hole, with Supporting structure adds the probability fixing to syntripsis, adds fixing intensity；3) Anatomicapproach used herein, energy Enough resets preferably protecting blood supply, beneficially syntripsis, solve astragalus syntripsis to a certain extent and reset difficult, fixing Difficult problem, it is possible to reduce talus necrosis rate, bone does not connect and osteoarthritis incidence rate.
Accompanying drawing explanation
Fig. 1 is astragalus dorsal surface structure and blood supply schematic diagram.
Fig. 2 is astragalus medial surface structure and blood supply schematic diagram.
Fig. 3 is astragalus and fracture of talus schematic diagram.
Fig. 4 A, 4B are the schematic diagrams that fracture of talus uses lag screw fixed form.
Fig. 5 A, 5B are that fracture of talus uses steel plate to add the schematic diagram of screw fixation method.
Fig. 6 is that before using, outside veins of tarsal sinus approach carries out resetting or the schematic diagram of bone grafting.
Fig. 7 is the schematic diagram of the outside miniature locking steel plate of veins of tarsal sinus approach before astragalus of the present invention.
Fig. 8 is another angle schematic diagram of the outside miniature locking steel plate of veins of tarsal sinus approach before astragalus of the present invention.
Fig. 9 is the front view of the outside miniature locking steel plate of veins of tarsal sinus approach before astragalus of the present invention.
Figure 10 is the side view of the outside miniature locking steel plate of veins of tarsal sinus approach before astragalus of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the detailed description of the invention of the present invention is described in detail.
As is seen in figs 7-10, before the astragalus of the present invention, the outside miniature locking steel plate of veins of tarsal sinus approach is formed in one, including Horizontal the first noumenon A1 and the second longitudinal body A2, the second body is connected to the end of the first noumenon, the first noumenon and the Two bodies are provided with lock hole A3, a diameter of 3.5mm of lock hole.As shown in Figure 8, the second body is in the projection of the first noumenon plane Having certain angle α with the first noumenon at connecting portion is 40-60 degree, plane residing for plane residing for the second body and the first noumenon Angle β is 10-25 degree.The invention belongs to anatomical plate, the first noumenon and the second body solution according to body of talus veins of tarsal sinus side Cut open designed by form, on the basis of not affecting astragalus cartilage and surrounding ligaments, design the width of steel plate, thickness and radian, Fit in the skeleton of both sides respectively.The first noumenon and the second body use titanium alloy material, and thickness is 2.0-2.5mm, width Being 1.0～1.5cm, the first noumenon a length of 2～3.5cm, the second body length is 1～2.3cm.
In the titanium alloy material that the first noumenon and the second body use, the mass percentage content of alloying element is: Zn 1- 6%, Si 0.4-5%, Mn 0.06-0.8%, Zr 0.2-1%, Sn 0.5-4.7%, Sr 0.5-5%, rare earth element 0.2- 3%, Hf 1.45-1.52%, Co 0.3-1.1%, Ni 0.03-0.4%, methyl propanediol 0.5-2.3%, remaining is titanium.
Anterolateral astragalus sinus artery only supplies the 1/8-1/4 region outside body of talus, and therefore blood supply is damaged by this approach Little.Articular surface bone piece, by outside veins of tarsal sinus approach before astragalus, can be resetted under direct-view or plant by the locking steel plate of the present invention Bone.Locking steel plate is positioned over the outer lower side of astragalus in veins of tarsal sinus, reduces the impact on joint motion and blood supply as far as possible, be suitable for In Hawkins typing II, III, IV type and Sneppen typing II, IV, V-type fracture of talus.
Before the astragalus of the present invention, the outside miniature locking steel plate of veins of tarsal sinus approach is in use, and before using, outside veins of tarsal sinus enters Road, as shown in Figure 6,2cm fibula forward position above astragalus hole, cut about 4-5cm to the 4th metatarsal substrate direction, cut under extensor Supporting band, by extensor digitorum brevis to leading to vola, extensor digitorum longus and the 3rd musculus peroneus lead to dorsal part, appear veins of tarsal sinus, excision fat group Knit, appear fracture end and astragalus articular surface, under direct-view, major part articular surface is resetted or bone grafting, by miniature locking steel plate It is positioned in the veins of tarsal sinus of astragalus outer lower side.Screw length is noted, it is to avoid through articular surface during use；Postoperative avoid heavy burden 6-8 In week, according to fracture recovery situation, determine the lower ground time；Periodic review x-ray.
The invention still further relates to a kind of prepare the method for the outside miniature locking steel plate of veins of tarsal sinus approach, bag before aforesaid astragalus Include: the material of aforesaid alloying element is put under vacuum conditions in smelting furnace and is heated to molten condition and becomes aluminium alloy；Add lazy Property gas makes smelting furnace internal gas pressure reach 10 atmospheric pressure；Keep heating and stir aluminium alloy 15min；Add in an inert atmosphere Enter slag former slag making deslagging；Aluminium alloy is poured in mold and be cooled to flat sheet with holes；Flat sheet is heated to Punch forming on stamping machine after 380-420 DEG C；Is polished in marginal portion；Cleaning, cleans in the water that temperature is 100 DEG C, and Using ultrasonic wave concussion, ultrasonic frequency is 25kHz, scavenging period 2～5 minutes, overlays on the miscellaneous of surface removing abovementioned steps Matter and pollutant also utilize high-temperature sterilization；Spray antimicrobial layer in an aseptic environment, bacteria growing inhibiting, after preventing from inserting human body Infect.
The component of the slag former in above-described embodiment and mass fraction thereof are SiO254～63 parts, CaO 6～9 parts, MnO 3 parts, FeO 5～8.5 parts, S 0.5 part, MgO 2～4 parts, NiCl20.3～0.8 part, H3BO30.1～0.4 part, BF30.4～ 0.7 part, MoSi21～1.4 part.
The invention still further relates to the stamping machine of punching press, including frame, base, rotating mechanism, punch assembly, wherein base sets In frame, base is installed rotating mechanism；Being provided with multiple mould on rotating mechanism, flat sheet is positioned in mould, rotation Rotation mechanism is connected to base by guide rail slide, makes mould to rotate by the punch assembly around top, and rotating mechanism is additionally provided with tachometer Structure；Being located at the punch assembly above base is hydraulic package, and hydraulic package can move up and down, and hydraulic package passes through hydraulic pump and machine Frame connects, and hydraulic pump drives hydraulic package side-to-side movement, makes punch assembly can transport with constant level during moving up and down Dynamic, when making punching press, punch assembly moves with mould level of synchronization；Stamping machine also includes controlling organization, and controlling organization includes able to programme Logic controller PLC, control panel, servo-driver；Stamping machine includes material fetching mechanism, will complete the flat sheet of punching press from mould Take out in tool.The rotating mechanism of this stamping machine obtains the movement velocity of flat sheet by velocity measurement mechanisms, through FPGA control Device plc data calculation process processed, programmable logic controller (PLC) PLC integration processes velocity measurement mechanisms and by control panel setup parameter After, outputting data to servo-driver, servo-driver controls the stretching speed of hydraulic pump.Described stamping machine is with heating furnace even Connecing, in heating furnace, the flat sheet of heating falls into the mould of stamping machine, flat sheet is followed mould and is moved under punch assembly Side, punch assembly completes punching press, and in punching course, hydraulic pump is flexible makes punch assembly produce tailplane, it is ensured that punching press during punching press In the middle of assembly and mould are in and are synchronized with the movement, it is not necessary to use the mode of stepping to make rotating mechanism suspend, promote work efficiency, rotation Mechanism rotates around punch assembly, makes stamping machine the most automatically operate.
Before aforementioned astragalus, the first noumenon and second body of the outside miniature locking steel plate of veins of tarsal sinus approach are additionally provided with antibiotic layer, Antibiotic layer by the alkyl silane of band functional group, chondroitin sulfate, have activating carboxy acid's group acrylic resin form mixed Compound covers the nano-metal particles gathering composition with anti-microbial property, prevents locking steel plate from infecting after inserting wound.
Above in conjunction with accompanying drawing, the preferred embodiments of the disclosure and embodiment are explained in detail, but the present invention It is not limited to the above-described embodiment and examples, in the ken that those skilled in the art are possessed, it is also possible to do not taking off On the premise of present inventive concept, various changes can be made.

Claims (6)

1. the outside miniature locking steel plate of veins of tarsal sinus approach before astragalus, including horizontal the first noumenon and longitudinal second Body, the end that the second body is connected to the first noumenon is one-body molded with the first noumenon,
The first noumenon and the second body are provided with lock hole A3, a diameter of 3.5mm of lock hole,
The first noumenon a length of 2～3.5cm, the second body length is 1～2.3cm, and thickness is 2.0-2.5mm, and width is 1.0-1.5cm。
The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus the most according to claim 1, it is characterised in that
Second body has the angle of 40-60 degree, the second body at projection and the first noumenon of the first noumenon plane at connecting portion Plane residing for residing plane and the first noumenon has the angle of 10～25 degree.
The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus the most according to claim 2, it is characterised in that
The first noumenon and the second body use titanium alloy material, and wherein the mass percentage content of alloying element is: Zn 1-6%, Si 0.4-5%, Mn 0.06-0.8%, Zr 0.2-1%, Sn 0.5-4.7%, Sr 0.5-5%, rare earth element 0.2-3%, Hf 1.45-1.52%, Co 0.3-1.1%, Ni 0.03-0.4%, methyl propanediol 0.5-2.3%, remaining is titanium.
The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus the most according to claim 3, it is characterised in that
The first noumenon and the second body are additionally provided with antibiotic layer, described antibiotic layer by the alkyl silane of band functional group, chondroitin sulfate, The mixture of the acrylic resin composition with activating carboxy acid's group covers the nano-metal particles gathering structure with anti-microbial property Become.
5. prepare a method for the outside miniature locking steel plate of veins of tarsal sinus approach before the astragalus described in claim 4, including:
Material containing the alloying element described in claim 3 is put in smelting furnace under vacuum conditions and is heated to molten condition and becomes Aluminium alloy；
Adding noble gas makes smelting furnace internal gas pressure reach 10 atmospheric pressure；
Keep heating and stir aluminium alloy 15min.
Add slag former slag making deslagging in an inert atmosphere；
Aluminium alloy is poured in mold and be cooled to flat sheet with holes；
Punch forming on stamping machine after sheet material is heated to 380-420 DEG C；
Is polished in marginal portion；
Cleaning, cleans in the water that temperature is 100 DEG C, and uses ultrasonic wave concussion, and ultrasonic frequency is 25kHz, scavenging period 2～5 minutes,
Spray antimicrobial layer in an aseptic environment.
6. prepare a method for the outside miniature locking steel plate of veins of tarsal sinus approach before the astragalus described in claim 5, wherein said Stamping machine includes frame, base, rotating mechanism, punch assembly,
Base is located in frame, and base is installed rotating mechanism；
Being provided with multiple mould on rotating mechanism, flat sheet is positioned in mould, and rotating mechanism is connected to the end by guide rail slide Seat, makes mould to rotate by the punch assembly above base, and rotating mechanism is additionally provided with velocity measurement mechanisms；
Punch assembly is hydraulic package, and hydraulic package can move up and down, and hydraulic package is connected with frame by hydraulic pump, hydraulic pump Drive hydraulic package horizontal movement, make punch assembly can move with constant level during moving up and down, make to rush during punching press Pressure assembly moves with mould level of synchronization；
Stamping machine also includes controlling organization, and controlling organization includes programmable logic controller (PLC) PLC, control panel, servo-driver；
Stamping machine also includes material fetching mechanism, the flat sheet completing punching press is taken out in mould.
CN201610523464.XA 2016-07-01 2016-07-01 The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus Active CN106175902B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060235396A1 (en) * 2005-03-31 2006-10-19 Roy Sanders Fixation device for the talus
CN101269404A (en) * 2007-03-19 2008-09-24 三井金属矿业株式会社 Alloy casting method and die-casting component
US20100036429A1 (en) * 2008-08-11 2010-02-11 Alfred Buck Plate for fixing bone fragments
CN105618618A (en) * 2015-12-31 2016-06-01 太仓椿盟链传动有限公司 Multi-station rotating disc type stamping device
CN206261659U (en) * 2016-07-01 2017-06-20 崔永锋 The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060235396A1 (en) * 2005-03-31 2006-10-19 Roy Sanders Fixation device for the talus
CN101269404A (en) * 2007-03-19 2008-09-24 三井金属矿业株式会社 Alloy casting method and die-casting component
US20100036429A1 (en) * 2008-08-11 2010-02-11 Alfred Buck Plate for fixing bone fragments
CN105618618A (en) * 2015-12-31 2016-06-01 太仓椿盟链传动有限公司 Multi-station rotating disc type stamping device
CN206261659U (en) * 2016-07-01 2017-06-20 崔永锋 The outside miniature locking steel plate of veins of tarsal sinus approach before astragalus

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