CN109306177A - Scalpel conducting wire - Google Patents
Scalpel conducting wire Download PDFInfo
- Publication number
- CN109306177A CN109306177A CN201811488254.7A CN201811488254A CN109306177A CN 109306177 A CN109306177 A CN 109306177A CN 201811488254 A CN201811488254 A CN 201811488254A CN 109306177 A CN109306177 A CN 109306177A
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- Prior art keywords
- conducting wire
- scalpel
- restrictive coating
- antioxidant
- insulating layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
- H01B3/305—Polyamides or polyesteramides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
Abstract
A kind of scalpel conducting wire proposed by the present invention, including conductor layer, insulating layer and restrictive coating, the insulating layer is wrapped in outside the conductor layer, the restrictive coating is wrapped on the outside of the insulating layer, and the restrictive coating material is the nylon material for including PA12, multi-walled carbon nanotube MPA12-5, high-elastic POE grafted material, fire retardant MCA, antioxidant 1098, antioxidant 024 and Lubricate EBS.The conducting wire has high elasticity and semi-steel speciality by using special material, improves the security reliability of operation tool arm operation.
Description
Technical field
The invention patent relates to medical guidewire fields, more particularly to a kind of scalpel conducting wire.
Background technique
Medical industries flourish China, especially with the need of Health China, astogeny and Medical Consumption upgrading
It asks, makes rapid progress to medical operating knife equipment, it is also higher and higher to associated tracks requirement；
The scalpel conductor material of existing equipment is generally PP, PE, PVC, PA12, PA6 etc., in the synthesis of elasticity and rigidity
In performance, existing defects.Not anti-extrusion, be easy beat turn round, particularly for it is some perform the operation tool arms threading, should conducting wire it is enough
Carefully, have it is semi-steel, be conducive to operation tool arm threading；Requirement is flexible enough again, mobile with the multi-angle for adapting to operation tool arm, and shows
There is conducting wire that cannot take into account requirements above, causes operation tool arm operation stability poor, threading is difficult；
Therefore, it is necessary to a kind of high-elastic semi-steel scalpel conducting wire is designed, it is obvious existing for the above real conducting wire to solve
Defect.
Summary of the invention
Main purpose of the present invention provides the scalpel conducting wire that a kind of characteristic with rigid material also has elastic effect, purport
Traditional operation knife conducting wire is being solved in the contradiction of high resiliency and semi-steel comprehensive performance.
The present invention proposes that a kind of scalpel conducting wire, including conductor layer, insulating layer and restrictive coating, the insulating layer are wrapped in institute
State outside conductor layer, the restrictive coating is wrapped on the outside of the insulating layer, the restrictive coating material be include that PA12, multi wall carbon are received
Mitron, POE grafted material, fire retardant, antioxidant 1098, antioxidant 024 and Lubricate EBS nylon material.
Further, alloy of the conductor layer by several diameters less than 0.1mm is twisted.
Further, the insulating layer uses ETFE material.
Further, the restrictive coating includes the first restrictive coating and the second restrictive coating, first restrictive coating and described the
The concentric setting of two restrictive coatings.
Further, the conductor layer is twisted by the copper-beryllium that several diameters are 0.05mm.
Further, the conductor layer is twisted by the gun-metal that several diameters are 0.05mm.
Further, the nylon material, as follows by quality allotment ratio:
PA12,70-75%；
Multi-walled carbon nanotube, 1-2%；
Grafted material, 12-15%；
Fire retardant, 15-20%；
Antioxidant 1098,0.5-1%；
Antioxidant 024,0.2-1%；
Lubricate EBS, 0.5-1.5%.
Further, the nylon material, as follows by quality allotment ratio:
PA12,70%；
Multi-walled carbon nanotube, 1.4%；
Grafted material, 12%；
Fire retardant, 15%；
Antioxidant 1098,0.8%；
Antioxidant 024,0.2%；
Lubricate EBS, 0.6%.
Scalpel conducting wire of the present invention has the beneficial effect that, passes through optimization formula PA12, multi-walled carbon nanotube MPA12-5, height
A kind of special nylon material of POE grafted material, fire retardant MCA, antioxidant 1098, antioxidant 024 and Lubricate EBS is played, effectively
High resiliency and the half steel sex expression of conducting wire are improved, there is the scalpel conducting wire in the application the characteristic of rigid material also to have bullet
Property effect, efficiently solve scalpel conducting wire high resiliency and semi-steel contradiction, ensure that operation tool arm operation stability and
Threading is difficult.
Detailed description of the invention
Fig. 1 is the scalpel conductor structure schematic diagram in one embodiment of the invention；
Fig. 2 is the scalpel conductor structure schematic diagram in another embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the invention patent purpose.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention patent, is not used to limit this
Patent of invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to,
It can be and be indirectly connected with.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
As shown in Figs. 1-2, one of one embodiment of the invention scalpel conducting wire, including conductor layer 1, insulating layer 2 are proposed
And restrictive coating 3, insulating layer 2 are wrapped in 1 outside of conductor layer, restrictive coating 3 is wrapped in 2 outside of insulating layer, and 3 material of restrictive coating is one kind
Special nylon material, the nylon material include PA12, multi-walled carbon nanotube, POE grafted material, fire retardant, antioxidant 1098, anti-
Oxygen agent 024 and Lubricate EBS.In the present embodiment, insulating layer 2 is that ETFE material is wrapped in 1 outside of conductor layer, and ETFE is second
Alkene-TFE copolymer, ETFE are most tough fluoroplastics, it maintain the good heat-resisting, chemical-resistance of PTFE and
While electrical insulation capability, radiation hardness and mechanical performance have and significantly improve, and tensile strength can reach 50MPa, close to poly-
2 times of tetrafluoroethene.ETFE is a kind of tough and tensile material, and various mechanical performances achieve a better balance --- it is tear-resistant it is extremely strong,
Tensile strength height, medium hardness, outstanding impact resistance, flexible service life are long.ETFE is good dielectric substance, and insulation is strong
Degree is high, dielectric constant 2.6, and resistivity is high, and dissipation factor is low, and only 0.003.Its low-k becomes in frequency and temperature
Substantially constant in the case where change.Its use temperature range is more practical relatively wide, steady temperature be typically set at -65 DEG C to+150 DEG C it
Between, still hard outstanding in ultralow temperature, brittle temperature is down to -100 DEG C.In addition, ETFE has also passed through several stringent fire-resistant
Test such as IEEE 383, and obtains UL 94V-0 grade.It is small on the influence of the physical attribute of most of chemical substances, to common gas
The permeability of body and aqueous vapor is low.Restrictive coating 3 is wrapped in 2 outside of insulating layer.
Scalpel conducting wire of the present invention passes through optimization formula PA12, multi-walled carbon nanotube, grafted material, fire retardant, antioxidant
1098, a kind of special nylon material of antioxidant 024 and Lubricate EBS effectively increases the high resiliency and half of scalpel conducting wire
Rigidity performance, efficiently solves scalpel conducting wire high resiliency and semi-steel contradiction, ensure that the stabilization of operation tool arm operation
Property and threading it is difficult.
In the present embodiment, alloy of the conductor layer 1 by single diameter less than 0.1mm is twisted.Leading in the present embodiment
1 monofilament of body layer uses gun-metal, main component and the pro rate of 0.05mm are as follows: Cu:96%, Sn:1.9-2.8%, Se:
0.0002%, Te:0.0002%, Bi:0.0002%, Sb:0.0004%, As:0.0005%, S:0.0015%, Fe:
0.001%, Ag:0.005, O:0.001%, Mg:0.1-0.6%, and bundle strand is generally carried out using irregular structure.
A kind of scalpel conducting wire in the present embodiment, including conductor layer 1, insulating layer 2 and restrictive coating 3, insulating layer 2 wrap up
In 1 outside of conductor layer, restrictive coating 3 is wrapped in 2 outside of insulating layer, and restrictive coating 3 includes the first restrictive coating 31 and the second restrictive coating 32,
First restrictive coating 31 and 32 concentric bilayer of the second restrictive coating squeeze out, and 3 material of restrictive coating is a kind of special nylon material, the nylon material
Material includes PA12, multi-walled carbon nanotube, grafted material, fire retardant, antioxidant 1098, antioxidant 024 and Lubricate EBS.Sheath
Layer 3 is special nylon material, is wrapped in outside insulating layer 2 with one heart by extrusion process.Special nylon material weight proportion are as follows:
PA12, multi-walled carbon nanotube, high-elastic POE grafted material, fire retardant, antioxidant 1098, antioxidant 024, Lubricate EBS squeeze out thick
Spend 0.2~0.3mm.Second restrictive coating 32 is wrapped in outside the first restrictive coating 31 with one heart, and material is identical as the first sheath 31.Using double
Layer extrusion process, so that the internal stress of scalpel conducting wire sufficiently discharges in extrusion process twice, so that scalpel conducting wire is adding
Straight state can be presented after the completion of work, it is non-warping.Scalpel conducting wire is improved in the running reliability of operation tool arm and uses the longevity
Life squeezes out 0.2~0.3mm of thickness.Insulating layer 2 is wrapped in 1 outside of conductor layer.Material used in insulating layer 2 is thermostable fluorine modeling
Expect ETFE.Using ETFE material, the elongation of material is higher, the performance in terms of drawing recovery and bending springback rate is excellent, optimization
The elastic effect of scalpel conducting wire is good, squeezes out 0.1~0.15mm of thickness.
In the present embodiment, nylon material, as follows by quality allotment ratio:
PA12,70-75%；
Multi-walled carbon nanotube, 1-2%；
POE grafted material, 12-15%；
Fire retardant, 15-20%；
Antioxidant 1098,0.5-1%；
Antioxidant 024,0.2-1%；
Lubricate EBS, 0.5-1.5%.
In an embodiment example, 70gPA12, multi-walled carbon nanotube MPA12-5 dosage 1.4g, POE grafted material dosage are weighed
12g, fire retardant MCA dosage 15g, 1098 dosage 0.8g of antioxidant, antioxidant 024 dosage 0.2g, Lubricate EBS dosage 0.6g are stirred
It mixes uniformly, obtains nylon material.
In the present embodiment, PA12 is nylon 12, also known as nylon 12.Its base stock polymerizeing is butadiene,
It can be dependent on petrochemical industry.It is hypocrystalline-crystallographic thermoplastic material.Its characteristic is similar with PA11, but crystal structure is different.
PA12 is good electrical insulators and will not be because of moisture effect insulation performance as other polyamide.It has anti-well
Impact chemical machine stability.There are many improving the breed in terms of plasticizing characteristic and enhancing characteristic by PA12.With PA6 and PA66 phase
Than these materials have lower fusing point and density, have very high regain.PA12 is to acid with strong oxidizing property passivity ability.
The viscosity of PA12 depends primarily on humidity, temperature and storage time.Its mobility is fine.Shrinking percentage 0.5% to 2% it
Between.
Multi-walled carbon nanotube in the present embodiment, the unique texture of carbon nanotube determine that it has many special physics
And chemical property.The C=C covalent bond for forming carbon nanotube is the most stable of chemical bond of nature, so that carbon nanotube has
There is very excellent mechanical property.Carbon nanotube has high intensity and great toughness.Its theoretical value estimates Young's modulus
Up to 5TPa, intensity is about 100 times of steel, and weight density only has the 1/6 of steel.TEM measurement is utilized in Treacy etc. for the first time
The mean square amplitude of temperature multi-walled carbon nanotube in from room temperature to 800 degree of variation ranges, to derive multi-walled carbon nanotube
Average Young's modulus is about 1.8Tpa.And Salvetat etc. measures the Young's modulus of the single-walled carbon nanotube of minor diameter, and leads
Its modulus of shearing is 1Tpa out.The bending strength average value that the atomic force microscope such as Wong measures multi-walled carbon nanotube is 14.2
± 10.8GPa, and the bending strength of carbon fiber only has 1GPa.Carbon nanotube either intensity or toughness, it is better than any
Fiber.
POE grafted material in the present embodiment, POE are the thermoplastic elastomer (TPE)s of ethylene and octene in-situ polymerization, its main feature is that
The flexible chain coiled structure of octene and the ethylene chain of crystallization have its existing excellent toughness again good as physical crosslinking point
Processability；There is no unsaturated double-bond in POE plastic molecules structure, there is excellent ageing-resistant performance；The distribution of POE plastic molecules amount
It is narrow, it has preferable mobility, it is good with compatible polyolefin；Good mobility can improve the dispersion effect of filler, while
The weld mark strength of product can be improved.Maleic anhydride is grafted the reacted extruding graft maleic anhydride of POE and is made.Nonpolar molecule
Highly polar side group is introduced on main chain, maleic anhydride is grafted POE can be Nian Jie with non-polar material as polar material is promoted
Property and compatibility bridge, therefore can be used as good toughener and compatilizer comes using than the pure POE toughening effect not being grafted
Fruit is much better.
In the present embodiment, fire retardant is the substance that can increase high molecular material flame resistance.
In the present embodiment, antioxidant 1098 be phenols high performance universal antioxidant, do not pollute, be non-discolouring, it is resistance to extraction, it is resistance to
Thermal oxide, resistance to extraction, nontoxicity.Antioxidant 1098 is mainly used for nylon 6, nylon66 fiber, polyethylene, polypropylene polyamide, polyphenyl
It, can also be with auxiliary antioxidant with the use of raising antioxygen property in the polymer such as ethylene, ABS resin, polyurethane and rubber.
In the present embodiment, EBS has the characteristics that high temperature lubricating and low temperature antistick characteristic.EBS is in rubber processing except work
Outside lubricant, stuffing surface modification agent, moreover it is possible to which the lustrous surface for improving offset plate, hose products plays the role of surface optical brightener.
Scalpel conducting wire proposed by the present invention is connect by optimization formula PA12, multi-walled carbon nanotube MPA12-5, high-elastic POE
A kind of special nylon material of branch material, fire retardant MCA, antioxidant 1098, antioxidant 024 and Lubricate EBS, effectively increases and leads
The high resiliency of line and half steel sex expression, efficiently solve scalpel conducting wire high resiliency and semi-steel contradiction, ensure that scalpel
The stability and threading of arm operation are difficult.
The foregoing is merely the preferred embodiments of the invention patent, are not intended to limit the invention patent range, all utilizations
Equivalent structure or equivalent flow shift made by the invention patent specification and accompanying drawing content, is applied directly or indirectly in other
Relevant technical field similarly includes in the invention patent protection scope.
Claims (8)
1. a kind of scalpel conducting wire, which is characterized in that including conductor layer, insulating layer and restrictive coating, the insulating layer is wrapped in institute
State outside conductor layer, the restrictive coating is wrapped on the outside of the insulating layer, the restrictive coating material be include that PA12, multi wall carbon are received
Mitron, POE grafted material, fire retardant, antioxidant 1098, antioxidant 024 and Lubricate EBS nylon material.
2. scalpel conducting wire according to claim 1, which is characterized in that the conductor layer is less than by several diameters
The alloy of 0.1mm is twisted.
3. scalpel conducting wire according to claim 1, which is characterized in that the insulating layer is made of ETFE material.
4. scalpel conducting wire according to claim 1, which is characterized in that the restrictive coating includes the first restrictive coating and second
Restrictive coating, first restrictive coating and the concentric setting of the second restrictive coating.
5. scalpel conducting wire according to claim 1, which is characterized in that the conductor layer is 0.05mm by several diameters
Copper-beryllium be twisted.
6. scalpel conducting wire according to claim 1, which is characterized in that the conductor layer is 0.05mm by several diameters
Gun-metal be twisted.
7. scalpel conducting wire according to claim 1, which is characterized in that the nylon material, such as by quality allotment ratio
Under:
PA12,70-75%；
Multi-walled carbon nanotube, 1-2%；
POE grafted material, 12-15%；
Fire retardant, 15-20%；
Antioxidant 1098,0.5-1%；
Antioxidant 024,0.2-1%；
Lubricate EBS, 0.5-1.5%.
8. scalpel conducting wire according to claim 7, which is characterized in that the nylon material, such as by quality allotment ratio
Under:
PA12,70%；
Multi-walled carbon nanotube, 1.4%；
POE grafted material, 12%；
Fire retardant, 15%；
Antioxidant 1098,0.8%；
Antioxidant 024,0.2%；
Lubricate EBS, 0.6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488254.7A CN109306177A (en) | 2018-12-06 | 2018-12-06 | Scalpel conducting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488254.7A CN109306177A (en) | 2018-12-06 | 2018-12-06 | Scalpel conducting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109306177A true CN109306177A (en) | 2019-02-05 |
Family
ID=65222641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811488254.7A Pending CN109306177A (en) | 2018-12-06 | 2018-12-06 | Scalpel conducting wire |
Country Status (1)
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| US20170066907A1 (en) * | 2014-08-29 | 2017-03-09 | Lg Chem, Ltd. | Composite with improved mechanical properties and molded article including the same |
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|---|---|---|---|---|
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| CN104795146A (en) * | 2015-04-22 | 2015-07-22 | 深圳宝兴电线电缆制造有限公司 | Solar photovoltaic cable |
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