CN108175496A - A kind of high fastening kneecap reduction forceps - Google Patents
A kind of high fastening kneecap reduction forceps Download PDFInfo
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- CN108175496A CN108175496A CN201711334220.8A CN201711334220A CN108175496A CN 108175496 A CN108175496 A CN 108175496A CN 201711334220 A CN201711334220 A CN 201711334220A CN 108175496 A CN108175496 A CN 108175496A
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- Prior art keywords
- kneecap
- aluminium
- reduction forceps
- intermediate alloy
- pincers
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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
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
-
- 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
-
- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
-
- 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
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- 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
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B2017/681—Alignment, compression, or distraction mechanisms
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Ophthalmology & Optometry (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of high fastening kneecap reduction forceps, including pincers handle and binding clip, the pincers are being bent connection with binding clip, the pincers handle is two, for two pincers be that hinged, described binding clip is hinged on pincers upper, the articulated shaft of binding clip and pincers handle is vertical with articulated shaft of the pincers between.
Description
Technical field
The present invention relates to medical fields.
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 are typically all that only there are two the reduction forceps of claw beam, existing tools
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, is allowed to that it is easy to appear the kneecaps clamped during operation to misplace soon.
Invention content
It is an object of the invention to：In view of the above problems, a kind of kneecap reduction forceps are provided, including pincers handle and pincers
Head, the pincers are being bent connection with binding clip, and the pincers are for two, and two pincers are being hinged, described binding clip
Pincers are hinged on upper, binding clip and clamp handle articulated shaft it is vertical with articulated shaft of the pincers between.
As an improvement, one of them of the pincers handle is fixedly connected there are one fixed link, another pincers handle, which is equipped with, to be used for
The channel that fixed link passes through, fixed link are arc, and fixed link is equipped with brake pad, and hinged in the channel there are one fixed
It turns round, fixed turn round is set there are one tip and brake pad contact, and limit fixed link, and fixed turn round is additionally provided with one
Shank is turned round for operating to fix 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 ethyl alcohol and third
Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in melting resistance furnace, while indifferent gas is filled with into stove Step 3: basis material in step 1 is put into crucible
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 in melting matrix alloy using water cooling ultrasonic head afterwards, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20
It skims after minute, finally casting obtains nickel aluminide enhancing Cu-base composites；
Step 5: above-mentioned treated composite material 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, a kind of addition intermediate alloy of the step, 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 of 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.
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；
It is marked in figure：1- clamps handle, and 101- fixed links, 102- brake pads, 103-, which is fixed, to be turned round, 2- binding clips.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Specific embodiment 1：A kind of high fastening kneecap reduction forceps, including clamping 1 and binding clip 2, the pincers handle and binding clip are
Bent connection, the pincers are for two, and two pincers are be that hinged, described binding clip is hinged on and clamps upper, binding clip and pincers
Articulated shaft it is vertical with clamping articulated shaft between.One of them of the pincers handle is fixedly connected there are one fixed link 101,
Another pincers is equipped with the channel passed through for fixed link, and fixed link is arc, and fixed link is equipped with brake pad 102, described
Hinged there are one fixing to turn round 103 in channel, fixed turn round is set there are one tip and brake pad contact, and limit fixation
Bar, fixed turn round are additionally provided with a shank for operating 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 ethyl alcohol and third
Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in melting resistance furnace, while indifferent gas is filled with into stove Step 3: basis material in step 1 is put into crucible
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: above-mentioned treated composite material 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 using the purified aluminum after vacuum heat-treating method, and purity is at least more than 99.99%.Ultrasonic wave
Application frequency be 20-80 kHz, amplitude is 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 enhances 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 ethyl alcohol and third
Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in melting resistance furnace, while indifferent gas is filled with into stove Step 3: basis material in step 1 is put into crucible
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 in melting matrix alloy using water cooling ultrasonic head afterwards, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20
It skims after minute, finally casting obtains nickel aluminide enhancing Cu-base composites；
Step 5: above-mentioned treated composite material 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 using the purified aluminum after vacuum heat-treating method, and purity is at least more than 99.99%.Ultrasonic wave
Application frequency be 20 ~ 80 kHz, amplitude is 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 (9)
1. a kind of kneecap reduction forceps, including clamping handle（1）And binding clip（2）, which is characterized in that the one of of pincers handle fixes
There are one fixed links for connection（101）, another pincers is equipped with the channel passed through for fixed link, and fixed link is arc, fixed link
It is equipped with brake pad（102）, it is hinged in the channel to be turned round there are one fixed（103）, described fixed turn round set that there are one tips
It is contacted with brake pad, and limits fixed link, fixed turn round is additionally provided with a shank for operating fixed turn round around hinged
Axis clockwise movement.
2. kneecap reduction forceps according to claim 1, which is characterized in that the pincers are at least one by aluminium with binding clip
Change nickel enhancing Cu-base composites molding to be made.
3. kneecap reduction forceps according to claim 2, it is characterised in that nickel aluminide enhances 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 ethyl alcohol and third
Alcoholic solution all volatilizees, and obtains nickel powder；
It is placed in melting resistance furnace, while indifferent gas is filled with into stove Step 3: basis material in step 1 is put into crucible
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 in melting matrix alloy using water cooling ultrasonic head afterwards, continual application ultrasonic wave 1 ~ 10 minute；Stand 5 ~ 20
It skims after minute, finally casting obtains nickel aluminide enhancing Cu-base composites；
Step 5: above-mentioned treated composite material 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.
4. kneecap reduction forceps according to claim 3, which is characterized in that the fine aluminium is using vacuum heat-treating method
Purified aluminum afterwards, purity are at least more than 99.99%.
5. kneecap reduction forceps according to claim 4, which is characterized in that the application frequency of ultrasonic wave is 20 ~ 80 kilo hertzs
Hereby, amplitude is 20 ~ 50 microns.
6. kneecap reduction forceps according to claim 5, which is characterized in that in basis material the weight of aluminium account for 10%-15% it
Between.
7. kneecap reduction forceps according to claim 6, which is characterized in that a kind of addition intermediate alloy of the step, institute
The raw material that the intermediate alloy stated is aluminum bronze intermediate alloy, aluminium manganese intermediate alloy forms.
8. kneecap reduction forceps according to claim 7, which is characterized in that the aluminum bronze intermediate alloy aluminium and the quality of copper
Than being 1:1, the mass ratio of aluminium manganese intermediate alloy aluminium and manganese is 1:1.
9. kneecap reduction forceps according to claim 8, which is characterized in that intermediate alloy raw material accounts for the weight ratio of matrix material
It is 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334220.8A CN108175496A (en) | 2017-12-14 | 2017-12-14 | A kind of high fastening kneecap reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334220.8A CN108175496A (en) | 2017-12-14 | 2017-12-14 | A kind of high fastening kneecap reduction forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108175496A true CN108175496A (en) | 2018-06-19 |
Family
ID=62546010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711334220.8A Withdrawn CN108175496A (en) | 2017-12-14 | 2017-12-14 | A kind of high fastening kneecap reduction forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108175496A (en) |
Citations (3)
| 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 |
-
2017
- 2017-12-14 CN CN201711334220.8A patent/CN108175496A/en not_active Withdrawn
Patent Citations (3)
| 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)
| 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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Application publication date: 20180619 |
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