CN107928780A - A kind of high intensity kneecap reduction forceps - Google Patents

A kind of high intensity kneecap reduction forceps Download PDF

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Publication number
CN107928780A
CN107928780A CN201711334341.2A CN201711334341A CN107928780A CN 107928780 A CN107928780 A CN 107928780A CN 201711334341 A CN201711334341 A CN 201711334341A CN 107928780 A CN107928780 A CN 107928780A
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kneecap
reduction forceps
aluminium
intermediate alloy
alloy
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CN201711334341.2A
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Chinese (zh)
Inventor
孙帝
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Sichuan Zhi Chuang Space Incubator Management Co Ltd
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Sichuan Zhi Chuang Space Incubator Management Co Ltd
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Priority to CN201711334341.2A priority Critical patent/CN107928780A/en
Publication of CN107928780A publication Critical patent/CN107928780A/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
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
    • 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
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8875—Screwdrivers, spanners or wrenches
    • 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
    • A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/03—Making non-ferrous alloys by melting using master alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • 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

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Epidemiology (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The invention discloses a kind of high intensity kneecap reduction forceps, including pincers handle and binding clip, the pincers are being bent connection with binding clip, the pincers are for two, for two pincers be that hinged, described binding clip is hinged on pincers upper, the articulated shaft of the articulated shaft of binding clip and pincers handle with pincers between is vertical.

Description

A kind of high intensity kneecap reduction forceps
Technical field
The present invention relates to medical field.
Background technology
Kneecap, i.e. knee cap, in front of knee joint, before the lower end of femur, are sesamoid bones maximum in human body, are embedded in It is the flat bone of triangle in stock market trend prediction.Bottom upward, point downwards, before it is coarse, behind be smooth articular surface, with stock The facies patellaris associated section of bone, participates in kneed composition.It can be touched in body surface.
The kneecap reduction forceps for being currently used for patellar fracture operation typically only have the reduction forceps of two claw beams, existing tool There is following shortcoming：First, binding clip can not be bent, inconvenient for operation；
2nd, existing kneecap reduction forceps are mainly that stainless steel material is made, and material stiffness is inadequate, it is difficult to which broken kneecap is clamped Fixation, the kneecap for being allowed to be easy to occur clamping during operation misplace soon.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of kneecap reduction forceps, including pincers handle and pincers Head, the pincers are being bent connection with binding clip, and pincers handle is two, and two pincers handles are hinged, described binding clip Pincers are hinged on upper, binding clip and to clamp articulated shaft of the articulated shaft of handle with pincers between vertical.
As an improvement, one of them of the pincers handle is fixedly connected with a fixed link, another pincers handle, which is equipped with, to be used for The passage that fixed link passes through, fixed link are arc, and fixed link is equipped with brake pad, a fixation is hinged with the passage Turn round, fixed turn round contacts equipped with a tip and brake pad, and limits fixed link, and the fixation torsion is additionally provided with one Shank is used to operate fixed turn round around articulated shaft clockwise movement.
Various kneecap reduction forceps tightness are good, and head can be bent as needed, versatile.
At least one be molded by nickel aluminide enhancing Cu-base composites with binding clip is made in the pincers.
Kneecap reduction forceps according to claim 3, it is characterised in that nickel aluminide enhancing Cu-base composites preparation side Method is as follows：
Step 1: it is prepared by basis material, the raw material that the basis material is made of fine aluminium, fine copper；
Step 2 weighs nickel powder and is mixed successively with absolute ethyl alcohol and propyl alcohol, then mechanical agitation respectively, is then heated to ethanol and third Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in Step 3: basis material in step 1 is put into crucible in melting resistance furnace, while indifferent gas is filled with into stove Body is protected, and melting 5 ~ 20 minutes, is subsequently added into the alloy gross mass under conditions of being 700 ~ 950 DEG C in smelting temperature 0.01% ~ 2.1% carbon trichloride refines 5 ~ 20 minutes；
Step 4: the nickel powder that addition step 2 obtains in crucible melting 5 ~ 20 minutes under conditions of 700 ~ 950 DEG C, so It is applied to afterwards using water cooling ultrasonic head in melting matrix alloy, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20 Skim after minute, finally casting obtains nickel aluminide enhancing Cu-base composites；
Step 5: the composite material after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
As an improvement, the fine aluminium be using the purified aluminum after vacuum heat-treating method, purity be at least 99.99% with On.
As an improvement, the application frequency of ultrasonic wave is 20 ~ 80 kHz, amplitude is 20 ~ 50 microns.
As an improvement, the weight of aluminium is accounted between 10%-15% in basis material.
As an improvement, the step is a kind of to add intermediate alloy, the intermediate alloy is aluminum bronze intermediate alloy, aluminium manganese The raw material of intermediate alloy composition.The aluminum bronze intermediate alloy aluminium and the mass ratio of copper are 1:1, aluminium manganese intermediate alloy aluminium and manganese Mass ratio is 1:1.
As an improvement, the weight ratio that intermediate alloy raw material accounts for matrix material is 20%.
As an improvement, the inert gas is helium, one or two kinds of mixtures of argon gas.
As an improvement, the inert gas carries out the pre-heat treatment before addition.
As an improvement, contain nitrogen in the inert gas, the nitrogen and nickel production nickel oxide.
Composite technology prepared by the present invention is simple, and single sintering cleaning, prepared reinforcing copper have good mechanical property Energy.The relative density for the reinforcing copper products that the present invention is prepared is up to 99%, and hardness is up to 141HV, and tensile strength is up to 403MPa, has very excellent comprehensive performance.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is fixed link schematic diagram of the present invention；
Fig. 3 is fixed link side view of the present invention；
Marked in figure：1- clamps handle, and 101- fixed links, 102- brake pads, 103-, which is fixed, to be turned round, 2- binding clips.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Specific embodiment 1：A kind of kneecap reduction forceps, including pincers, 1 and binding clip 2, the pincers handle and binding clip are bent Connection, the pincers are being two, and two pincers are be that hinged, described binding clip is hinged on pincers upper, binding clip and the hinge for clamping handle Spindle is vertical with clamping the articulated shaft between.One of them of the pincers handle is fixedly connected with a fixed link 101, another For pincers equipped with the passage passed through for fixed link, fixed link is arc, and fixed link is equipped with brake pad 102, in the passage A fixed torsion 103 is hinged with, fixed turn round contacts equipped with a tip and brake pad, and limits fixed link, described Fixation torsion be additionally provided with a shank and be used to operate fixed turn round around articulated shaft clockwise movement.
The binding clip and pincers of the present invention is as follows the preparation method of material：
Step 1: it is prepared by basis material, the raw material that the basis material is made of fine aluminium, fine copper；
Step 2 weighs nickel powder and is mixed successively with absolute ethyl alcohol and propyl alcohol, then mechanical agitation respectively, is then heated to ethanol and third Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in Step 3: basis material in step 1 is put into crucible in melting resistance furnace, while indifferent gas is filled with into stove Body is protected, and melting 12 minutes, is subsequently added into the alloy gross mass under conditions of being 1000 DEG C in smelting temperature 0.05% carbon trichloride refines 5 ~ 20 minutes；
Step 4: the nickel powder that addition step 2 obtains in crucible melting 12 minutes under conditions of 820 DEG C, then using water Cold ultrasonic head is applied in melting matrix alloy, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20 minutes it After skim, finally casting obtain nickel aluminide enhancing Cu-base composites；
Step 5: the composite material after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
The fine aluminium is to be at least more than 99.99% using the purified aluminum after vacuum heat-treating method, purity.Ultrasonic wave Application frequency be 20-80 kHz, amplitude be 20 ~ 50 microns.The weight of aluminium accounts for 10% in basis material.The step A kind of rapid addition intermediate alloy, the raw material that the intermediate alloy is aluminum bronze intermediate alloy, aluminium manganese intermediate alloy forms.Described The mass ratio of aluminum bronze intermediate alloy aluminium and copper is 1:1, the mass ratio of aluminium manganese intermediate alloy aluminium and manganese is 1:1.Intermediate alloy raw material The weight ratio for accounting for matrix material is 20%.
The inert gas is helium, one or two kinds of mixtures of argon gas.Inert gas carries out pre- before addition Heat treatment.Contain nitrogen, the nitrogen and nickel production nickel oxide in the inert gas.
Specific embodiment 2：A kind of in-situ preparation nickel aluminide strengthens Cu-base composites, and preparation method is as follows：
Step 1: it is prepared by basis material, the raw material that the basis material is made of fine aluminium, fine copper；
Step 2 weighs nickel powder and is mixed successively with absolute ethyl alcohol and propyl alcohol, then mechanical agitation respectively, is then heated to ethanol and third Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in Step 3: basis material in step 1 is put into crucible in melting resistance furnace, while indifferent gas is filled with into stove Body is protected, and melting 11 minutes, is subsequently added into the six of the alloy gross mass 1% under conditions of being 800 DEG C in smelting temperature Chloroethanes refines 5-20 minutes；
Step 4: the nickel powder that addition step 2 obtains in crucible melting 5 ~ 20 minutes under conditions of 700 ~ 950 DEG C, so It is applied to afterwards using water cooling ultrasonic head in melting matrix alloy, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20 Skim after minute, finally casting obtains nickel aluminide enhancing Cu-base composites；
Step 5: the composite material after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
The fine aluminium is to be at least more than 99.99% using the purified aluminum after vacuum heat-treating method, purity.Ultrasonic wave Application frequency be 20 ~ 80 kHz, amplitude be 20 ~ 50 microns.The weight of aluminium accounts for 15% in basis material.The step A kind of rapid addition intermediate alloy, the raw material that the intermediate alloy is aluminum bronze intermediate alloy, aluminium manganese intermediate alloy forms.Described The mass ratio of aluminum bronze intermediate alloy aluminium and copper is 1:1, the mass ratio of aluminium manganese intermediate alloy aluminium and manganese is 1:1.Intermediate alloy raw material The weight ratio for accounting for matrix material is 20%.
The inert gas is helium, one or two kinds of mixtures of argon gas.Inert gas carries out pre- before addition Heat treatment.Contain nitrogen, the nitrogen and nickel production nickel oxide in the inert gas.

Claims (8)

1. a kind of high intensity kneecap reduction forceps, including pincers handle（1）And binding clip（2）, it is characterised in that
At least one be molded by nickel aluminide enhancing Cu-base composites with binding clip is made in the pincers.
2. kneecap reduction forceps according to claim 1, it is characterised in that nickel aluminide strengthens Cu-base composites preparation method It is as follows：
Step 1: it is prepared by basis material, the raw material that the basis material is made of fine aluminium, fine copper；
Step 2 weighs nickel powder and is mixed successively with absolute ethyl alcohol and propyl alcohol, then mechanical agitation respectively, is then heated to ethanol and third Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in Step 3: basis material in step 1 is put into crucible in melting resistance furnace, while indifferent gas is filled with into stove Body is protected, and melting 5 ~ 20 minutes, is subsequently added into the alloy gross mass under conditions of being 700 ~ 950 DEG C in smelting temperature 0.01% ~ 2.1% carbon trichloride refines 5 ~ 20 minutes；
Step 4: the nickel powder that addition step 2 obtains in crucible melting 5 ~ 20 minutes under conditions of 700 ~ 950 DEG C, so It is applied to afterwards using water cooling ultrasonic head in melting matrix alloy, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20 Skim after minute, finally casting obtains nickel aluminide enhancing Cu-base composites；
Step 5: the composite material after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
3. kneecap reduction forceps according to claim 2, it is characterised in that the fine aluminium is using vacuum heat-treating method Purified aluminum afterwards, purity are at least more than 99.99%.
4. kneecap reduction forceps according to claim 3, it is characterised in that the application frequency of ultrasonic wave is 20 ~ 80 kilo hertzs Hereby, amplitude is 20 ~ 50 microns.
5. kneecap reduction forceps according to claim 4, it is characterised in that in basis material the weight of aluminium account for 10%-15% it Between.
6. kneecap reduction forceps according to claim 5, it is characterised in that the step is a kind of to add intermediate alloy, institute The raw material that the intermediate alloy stated is aluminum bronze intermediate alloy, aluminium manganese intermediate alloy forms.
7. kneecap reduction forceps according to claim 6, it is characterised in that the aluminum bronze intermediate alloy aluminium and the quality of copper Than for 1:1, the mass ratio of aluminium manganese intermediate alloy aluminium and manganese is 1:1.
8. kneecap reduction forceps according to claim 7, it is characterised in that intermediate alloy raw material accounts for the weight ratio of matrix material For 20%.
CN201711334341.2A 2017-12-14 2017-12-14 A kind of high intensity kneecap reduction forceps Withdrawn CN107928780A (en)

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Application Number Priority Date Filing Date Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102631236A (en) * 2012-05-14 2012-08-15 中国人民解放军第二军医大学 Reset forceps for healing massa lateralis atlantis fractures
CN104561649A (en) * 2015-02-08 2015-04-29 江西省首诺铜业有限公司 Production process of high-strength copper-nickel-silicon alloy
CN106916997A (en) * 2017-04-05 2017-07-04 浙江大学 A kind of copper alloy for high-speed railway contact line and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102631236A (en) * 2012-05-14 2012-08-15 中国人民解放军第二军医大学 Reset forceps for healing massa lateralis atlantis fractures
CN104561649A (en) * 2015-02-08 2015-04-29 江西省首诺铜业有限公司 Production process of high-strength copper-nickel-silicon alloy
CN106916997A (en) * 2017-04-05 2017-07-04 浙江大学 A kind of copper alloy for high-speed railway contact line and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陶世平: "Cu-Ni-Al合金相图富Cu端合金的析出相表征", 《金属热处理》 *

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