CN100583312C - Cable making method for medical device - Google Patents

Cable making method for medical device Download PDF

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Publication number
CN100583312C
CN100583312C CN 200710031520 CN200710031520A CN100583312C CN 100583312 C CN100583312 C CN 100583312C CN 200710031520 CN200710031520 CN 200710031520 CN 200710031520 A CN200710031520 A CN 200710031520A CN 100583312 C CN100583312 C CN 100583312C
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layer
cable
medical
braiding
thin
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CN 200710031520
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CN101169995A (en )
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李明斌
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东莞市日新电线实业有限公司
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Abstract

The invention discloses a method of manufacturing a cable for medical equipment, which comprises the steps of (1) extruding a medical-grade nontoxic plastic to form an insulating layer on a conductor to obtain a conductive wire; (2) stranding a plurality of conducting wires to form a cable core; (3) winding a thin film outside the cable core to form a thin film layer: (4) braiding a shell-proof filament outside the thin film layer to form a shell-proof filament braiding layer; and (5) extruding a medical-grade nontoxic silica gel to form an outer coating on the shell-proof filament braiding layer. According to the cable manufactured by the inventive method, the thin film layer covering the cable core has good sealing performance and aging resistance, the shell-proof filament braiding layer with good flexibility is braided outside the thin film layer to improve the twisting and the pulling resistance of the cable, and the medical-grade nontoxic silica gel outer coating layer covering the shell-proof filament braiding layer can improve the extrusion capacity and the equipment use performance. Accordingly, the inventive cable can satisfy the hard conditions of the various external environments where the medical equipment works.

Description

医疗设备用电缆制造方法 A cable manufacturing medical devices

技术领域 FIELD

本发明涉及一种电缆制造方法,尤其涉及一种医疗设备用电缆制造方法。 The present invention relates to a method for manufacturing a cable, in particular, it relates to a method of manufacturing a medical device cable. 背景技术 Background technique

目前电线电缆已广泛应用于医疗、工业生产、交通运输、建筑工程和设施、 Currently wire and cable has been widely used in medical, industrial, transportation, construction and facilities,

现代农业和科研、工程装备或军事设施、太空、海洋的^:测中,并已达到了无处不在的状态。 Modern agriculture and scientific research, engineering, equipment or military installations, space, ocean ^: measured in, and has reached everywhere in the state. 随着社会经济的活动内容从深度到广度进行台阶式跳跃式的发展,电线电缆品种不断更新和完善,生产量持续增加。 With the social and economic activities were stepped leap forward from depth to breadth, wire and cable varieties constantly updated and improved, continue to increase production. 例如,实施野外医疗事 For example, the implementation of the wild Medical Mission

故拯救及进行高难度手术所用的医疗设备的传输信号的电缆;建造高智能化大楼需要有供数百、上千台电子计算机分级联网用的计算机网络电缆;搭建城市公共有线电视网、全市乃至全国所有银行的通存通兌、开展网上经济往来和信息交流等必须装设高可靠性传输用的宽频带电缆网;实现军事上的大炮或高炮群遥控程序发射需要设计出适合野外恶劣环境的控制电缆。 Therefore, rescue and carry out signal transmission cable of medical equipment used in surgery difficult; the construction of the building needs to have high intelligence for hundreds, thousands of computer networking hierarchical computer network cable used; build urban public cable television network, the city and the all of the country's bank deposit and withdrawal, economic exchanges and carry out online information exchange to be fitted with broadband cable network transmission with high reliability; achieve artillery or anti-aircraft artillery base on the remote control program launch military need to design suitable for harsh outdoor environments Control Cable.

电线电缆的应用主要分为三大类:电力系统、信息传输系统和工程设备以及仪器仪表系统。 Wire and cable applications are divided into three categories: power systems, information transmission systems and engineering equipment and instrumentation systems. 电力系统采用的电线电缆产品主要有架空棵电线、汇流排(母线)、电力电缆、橡套线缆、架空绝缘电缆)、分支电缆(取代部分母线)、电磁线以及电力设备用电气装备电线电缆等。 Power system employed with an overhead wire and cable products mainly trees wires, busbars (busbar), power cables, rubber cables, insulated overhead cables), branch cable (substituted portion bus), a power magnet wire and electrical equipment, wire and cable equipment Wait. 用于信息传输系统的电线电缆主要有市话电缆、电视电缆、电子线缆、射频电缆、光纤缆、数据电缆、电磁线、电力通讯或其他复合电缆等。 Wire and cable transmission system information for the main telephone cable, TV cable, electronic cable, radio frequency cables, fiber optic cables, data cables, wire, composite cable or other power communications and the like. 工程设备、仪器仪表系统中除架空棵电线外几乎其他所有产品均有应用,但主要是电力电缆、电磁线、数据电缆、仪器仪表线缆等, 医疗设备用电缆涉及上述三大类电线电缆。 Engineering equipment, instrumentation systems in almost all other products have applications in addition to the overhead wire trees, but mainly power cable, magnet wire, data cables, instrumentation cables, etc., medical equipment relates to the above three categories of cable wire and cable.

医疗设备针对高度专业化的医疗应用而设计,因此医疗设备所使用的电缆也必须进行特殊设计才能提供最佳性能。 Highly specialized medical equipment for medical applications, and therefore the cable medical equipment used must also be specially designed to provide optimum performance. 通过选择适当的材料和设计方法,完全可以提供满足目前以及未来高技术医疗设计要求的电缆解决方案。 By selecting the appropriate materials and design methods, we can provide cable solutions that meet current and future requirements of high-tech medical design. 医疗级电缆即可非常筒单,也可能非常复杂。 Medical grade cable can be very single-cylinder, it can also be very complex. 医疗设备中的电缆可能用来提供功率或大或小的电流、发送信号、传送数据或者同时完成这些功能。 Medical devices may be used to provide a power cable or a large or small current, signal transmission, data transmission or both these functions. 医疗设备使用的电缆必须能够在范围极广的环境中保持一致性和可靠性。 Medical equipment, cables must be able to maintain consistency and reliability in a very wide range of environments. 每种电缆设计时都必须考虑到机械特性,如柔软性、挠曲寿命、耐挤压性能或拉拨强度等。 Each cable must be designed to take into account the mechanical properties, such as flexibility, flex life, resistance to compression strength properties or pull aside. 采用坚韧的材料可以保护电缆中的导体不受伤害。 Made of tough material to protect the conductors in the cable from damage. 作为传输信号用的电缆很多时候都是最直接地暴露在医疗设备所处的多样化外部环境中,所以电缆设计师需要了解电缆将要使用的环境,同时医疗设备用电缆可能还需要特殊的处理和包装,比如消毒和避光等特殊处理,因此医疗设备用电缆,不仅对于信号的实时性和准确性均有很高要求,而且对于电缆本身的机械特性也有很高的要求。 As the transmission signal cables often are most directly exposed to the external environment of diverse medical device is located, the cable designers need to understand the environment of the cable will be used, while medical equipment cables may also need special handling and packaging, such as sterilization and other special treatment and away from light, and therefore medical devices cable, not only for real-time and accuracy of the signal are very demanding, but the mechanical properties of the cable itself has high demands. 此外,医疗设备用电缆通常在一些特殊的环境下使用,工作环境非常恶劣,温度压强变化差别大且直接受到X射线等的照射,因此医疗设备用电缆易老化和破损,从而导致设备故障。 Furthermore, the medical device is generally used cable in some special environment, the working environment is very bad, and a large pressure difference of temperature variation is directly irradiated with X-rays or the like, and thus the medical device easy to aging damaged cable, thereby causing equipment failure. 同时,现有常规电缆的外被层一旦老化破损,通常会产生卣素等,造成环境污染。 Meanwhile, existing conventional cable outer layer is damaged upon aging, and other factors usually produce wine container, causing environmental pollution. 目前通用的电缆不能同时满足弯折性好、寿命长、抗老化且无毒的医疗设备用电缆的几个主要条件。 Currently universal cable can not be bent to meet good, long life, anti-aging and non-toxic conditions with several major cable medical equipment.

因此,亟待提供一种能制造出弯折性好、寿命长、抗老化且无毒的医疗设备用电缆制造方法来克服以上的缺陷。 Thus, an urgent need to provide a manufacturing bending resistance, long life, anti-aging and non-toxic method for manufacturing a medical device cable to overcome the above drawbacks.

发明内容 SUMMARY

本发明的目的在于提供一种改进的医疗设备用电缆制造方法,由所述制造方法制得的医疗设备用电缆弯折性好、寿命长、抗老化且无毒,并能够满足工作在医疗设备所处的多样化外部环境中的苛刻条件。 Object of the present invention to provide an improved method for manufacturing a medical device with a cable, obtained by the production method of a medical device with a bent cable, long life, and non-toxic anti-aging, and in the medical device to satisfy the operational harsh conditions in which the diversity of the external environment.

为实现上述目的,本发明的技术方案为:提供一种医疗设备用电缆制造方 To achieve the above object, the technical solution of the present invention is: to provide a medical apparatus for producing cable

法,其步骤如下:(1)在导体上用医疗级无毒塑料押出成型一层绝缘层,形成导线;(2)提供若干所述导线进行集合绞线而形成线缆缆芯;(3)在线缆缆芯外包绕薄膜,形成薄膜层;(4)在薄膜层外围用防弹丝进行编织,形成防弹丝编织层,所述防弹丝编织层是由聚对苯二甲酰对苯二胺纤维编织而成;以及(5) 用医疗级无毒硅胶在所述防弹丝编织层外押出成型一层外被层。 Method comprises the following steps: (1) with an insulating layer extrusion molding of medical grade non-toxic plastic on a conductor, a wire is formed; (2) providing a set of said plurality of wires for stranding the core wire is formed; (3) in the cable around the core outer film to form a thin film layer; (4) woven ballistic yarn film layer periphery forming ballistic resistant wire braid, the braid filaments is a ballistic poly-p-phenyleneterephthalamide woven fibers; and (5) with a non-toxic medical grade silicone extrusion molded outer layer being an outer layer of the ballistic yarn braid. 较佳地,所述薄膜层为聚四氟乙烯塑料,所述绝缘层为医疗级无毒聚全氟乙丙烯塑料,所述导体为镀银铜线。 Preferably, the plastic film layer is polytetrafluoroethylene, the insulating layer is a non-toxic medical grade plastic perfluorinated ethylene-propylene, the conductor is a silver-plated copper.

较佳地,所述防弹丝编织层编织的密度为18目/寸。 Preferably, the ballistic yarn woven braid density of 18 mesh / inch.

较佳地,所述步骤(2)中,共提供导线十根,集合绞线是以介于60mm至70mm之间的绞距进行绞合的。 Preferably, the step (2), a total of ten conductors, a set of twisted strands is interposed between 60mm to 70mm pitch for the stranding.

与现有技术相比,由本发明的医疗设备用电缆制造方法所制成的电缆,由于所述薄膜层包覆所述线缆缆芯,具有良好的密闭性和抗老化性,可以有效的保护线缆缆芯的绝缘性能,所述防弹丝编织层编织在所述薄膜层外围,具有良好的弯折性,使电缆耐扭耐拉,延长了使用寿命,所述外被层包覆所述防弹丝编织层,且所述外被层为医疗级无毒硅胶,提高了挤压能力和设备的使用性能, 同时也满足了医疗设备的无毒性要求,因此本发明的电缆可满足工作在医疗设备所处的多样化外部环境中的苛刻条件。 Compared with the prior art, the medical device by a cable according to the present invention is made of a cable manufacturing process, since the thin film layer coating the core wire, has a good sealing property and aging resistance, can effectively protect the core of the cable insulation, the ballistic yarn woven braid layer in the peripheral film layer having good bendability, resistance to twisting of the cable pull resistance, extend the life, is the outer covering layer ballistic wire braid, and the outer layer is non-toxic medical grade silicone, the ability to improve the performance and extrusion equipment, but also to meet the requirements of non-toxic medical device, thus the cable of the present invention may satisfy the medical work harsh conditions in which the diversity of the external environment in the apparatus.

附图说明 BRIEF DESCRIPTION

图1为本发明医疗设备用电缆制造方法的流程图。 Figure 1 is a flowchart of a method for producing a cable of the invention the medical device.

图2为由本发明医疗设备用电缆制造方法所制成的电缆的结构图。 FIG 2 is an block diagram of a cable according to the present invention is a medical device made of a cable manufacturing process.

图3为图2所示电缆的截面图。 3 is a cross-sectional view of the cable shown in FIG. 2.

具体实施方式 detailed description

现在参考附图描述本发明的实施例,附图中类似的元件标号代表类似的元件。 Reference is now made to the accompanying drawings of embodiments of the present invention, the accompanying drawings in which like numerals represent like element elements throughout. 如上所述,本发明旨在提供一种改进的医疗设备用电缆制造方法,由所述制造方法制得的医疗设备用电缆弯折性好、寿命长、抗老化且无毒,并能够满足工作在医疗设备所处的多样化外部环境中的苛刻条件。 As described above, the present invention aims to provide an improved method for manufacturing a medical device with a cable, obtained by the production method of a medical device with a bent cable, long life, and non-toxic anti-aging, and to satisfy the operational harsh conditions in the external environment diverse medical device is located in.

如图l所示,本发明医疗设备用电缆制造方法包括如下步骤:(IO)在导体上用医疗级无毒材料押出成型一层绝缘层,形成导线;其中导体采用镀银铜线, 绝缘层采用聚全氟乙丙烯(FEP)塑料;(20)提供若干所述导线进行集合绞线而形成线缆缆芯;具体的,提供十根导线,其中绞线是以介于60mm至70mm 之间的绞距进行绞合的,以65mm为最佳;(30)在线缆缆芯外包绕薄膜,形成薄膜层,所述薄膜层为白色聚四氟乙烯(PTFE)塑料,具有良好的密闭性和抗老化性,可以有效的保护线缆缆芯的绝缘性能;(40)在薄膜层外围用防弹丝进行编织,形成防弹丝编织层;更具体的,所述防弹丝编织层是由聚对苯二曱酰对苯二胺(Kevlar)纤维编织而成,编织的密度为18目/寸,提高了电缆的弯折性,延长了电缆的使用寿命;以及(50)用医疗级无毒硅胶在所述防弹丝编织层外押出成 As shown in FIG. L, the medical device of the invention comprises a cable manufacturing process steps of: (IO) with an insulating layer extrusion molding medical grade non-toxic materials on a conductor, a wire is formed; wherein the silver-plated copper conductor, an insulating layer using FEP propylene (FEP) plastic; (20) providing said plurality of wire strands to form the cable set for the core; in particular, there is provided ten conductors, wherein the wire is between 60mm to 70mm lay length twisted performed to the best 65mm; (30) around the core in the cable outer film to form a thin film layer, the thin film layer is a white polytetrafluoroethylene (PTFE) plastics, having a good sealing property and aging resistance, can effectively protect the insulating properties of the core wire; (40) in the thin film layer in the peripheral woven ballistic yarn, forming ballistic resistant yarn braid; more particularly, the ballistic yarn woven layer is made of poly Yue terephthalic acid p-phenylenediamine (of Kevlar) woven fiber, knitted mesh density of 18 / inch, improved bending of the cable, extend the life of the cable; and (50) with a non-toxic medical grade silicone extruding an outer layer of the ballistic yarn woven into 型一层外^皮层,提高了挤压能力和设备的使用性能。 Type ^ outer layer of skin, to improve the performance and capacity of the extrusion apparatus.

如图2及图3所示,为本发明医疗设备用电缆制造方法所制造出的医疗设备用电缆,所述医疗设备用电缆包括十根导线110、薄膜层120、防弹丝编织层130 及外被层140,所述导线110包括导体111和包覆所述导体111的绝缘层112,这些被覆有绝缘层112的导体111集合绞线组成线缆缆芯,绞距介于60mm至70mm之间,所述薄膜层120包覆所述线缆缆芯,所述防弹丝编织层130编织在所述薄膜层120外围,所述外^^层140包覆所述防弹丝编织层130,且所述外被层140为医疗级无毒硅胶成型,伸缩性强,不易挤压坏,保证医疗设备的正常工作。 As shown in FIG. 2 and FIG. 3, a medical device with a cable manufacturing process the manufactured cable medical device, the medical device comprises ten wire cable 110, the thin film layer 120, ballistic yarn 130 and the outer braid of the present invention the layer 140, the wire 110 comprises a conductor 111 and the insulating layer 112 covering the conductor 111, the conductor 111 coated with an insulating layer 112 consisting of a set of twisted cable core cable, twisted between the distance between 60mm to 70mm the thin film layer 120 covering the core of the cable, the ballistic yarn woven braid layer 130 at the periphery of the thin film layer 120, the layer 140 covers the outer ^^ ballistic yarn woven layer 130, and the said outer layer 140 is non-toxic medical grade silicone molding, stretchable and strong, not easily broken extrusion, ensure the normal operation of the medical device.

在本实施例中。 In the present embodiment. 所述的十根导体lll采用合适导电材料制成,优选的是镀银铜线,也可以是其它材料,如铜线、镀锡铜线等等。 The use of the ten conductors lll suitable conductive material, preferably of silver-plated copper, and may be other materials such as copper, tinned copper and the like. 优选的,本实施例中的导体111采用28AWG线。 Preferably, the present embodiment uses 28AWG wire conductor 111. 所述绝缘层112为医疗级聚全氟乙丙烯(FEP)塑料,比较耐高温,有黑、红、白、绿、黄、棕、蓝、橙、紫、灰十种颜色,用来对导线进行区分。 The insulating layer 112 is a medical-grade poly-fluorinated ethylene propylene (FEP) plastic, high temperature comparison, black, red, white, green, yellow, brown, blue, orange, purple, gray ten colors, the wire used to make that distinction.

按照发明的制造方法所制造出的医疗设备用电缆,由于所述薄膜层120包覆所述线缆缆芯,具有良好的密闭性和抗老化性,可以有效的保护线缆缆芯的绝缘性能,所述防弹丝编织层130编织在所述薄膜层120外围,具有良好的弯折性, 使电缆耐扭耐拉,延长了使用寿命,所述外被层140包覆所述防弹丝编织层130, 且所述外被层140为医疗级无毒硅胶,提高了挤压能力和设备的使用性能,同时也满足了医疗设备的无毒性要求,因此本发明的电缆可满足工作在医疗设备所处的多样化外部环境中的苛刻条件本发明医疗设备用电缆所涉及的材料及参数,均根据实际情况而定,为本领域普通技术人员所熟知,在此不再做详细的说明。 The manufacturing method according to the invention for producing a medical device with a cable, the cable since the cable core 120 covering the thin film layer having good sealing property and aging resistance, can effectively protect the core of the cable insulation the ballistic yarn woven braid layer 130 at the periphery of the film layer 120 has good bending resistance, resistance to twisting of the cable pull resistance, extend the life, by the bulletproof layer 140 covering the outer braid yarn 130, 140 and the outer layer is non-toxic medical grade silicone, the ability to improve the performance and extrusion equipment, but also to meet the requirements of non-toxic medical device, thus the cable of the present invention may satisfy operate the medical device diversification of the external environment in the harsh conditions of the present invention, the material for the medical device and cable parameters involved are based on the actual circumstances, those of ordinary skill in the art, and will not be described in detail.

以上所揭露的^f义为本发明的优选实施例而已,当然不能以此来限定本发明之权利范围,因此依本发明申请专利范围所作的等同变化,仍属本发明所涵盖的范围。 Preferably above disclosed antisense ^ f the present embodiment of the invention only, but not intended to limit the scope of the present invention, the equivalent changes made according to the invention patent application made by the range, still covered by the scope of the present invention.

Claims (7)

  1. 1.一种医疗设备用电缆制造方法,其特征在于,包括如下步骤: (1)在导体上用医疗级无毒塑料押出成型一层绝缘层,形成导线; (2)提供若干所述导线进行集合绞线而形成线缆缆芯; (3)在线缆缆芯外包绕薄膜,形成薄膜层; (4)在薄膜层外围用防弹丝进行编织,形成防弹丝编织层,所述防弹丝编织层是由聚对苯二甲酰对苯二胺纤维编织而成;以及(5)用医疗级无毒硅胶在所述防弹丝编织层外押出成型一层外被层。 1. A medical device comprising a cable manufacturing method comprising the steps of: (1) with an insulating layer extrusion molding of medical grade non-toxic plastic on a conductor, a wire is formed; (2) for providing said plurality of wires the core wire to form a set of strands; (3) around the core in the cable outer film, a thin film layer; (4) in the thin film layer in the peripheral ballistic yarn woven ballistic yarn braid is formed, the bulletproof woven silk layer is made of poly-p-phenyleneterephthalamide fibers woven; and a layer (5) with a non-toxic medical grade silicone in an outer layer of extrusion molding of the wire braid outer ballistic.
  2. 2. 如权利要求1所述的医疗设备用电缆制造方法,其特征在于:所述薄膜层为聚四氟乙烯塑料。 2. The medical device according to claim 1, a cable manufacturing process, characterized in that: said plastic film layer is polytetrafluoroethylene.
  3. 3. 如权利要求1所述的医疗设备用电缆制造方法,其特征在于:所述防弹丝编织层编织的密度为18目/寸。 The medical device of claim 1 with a cable manufacturing process, characterized in that: said braid layer woven ballistic yarn density of 18 mesh / inch.
  4. 4. 如权利要求1所述的医疗设备用电缆制造方法,其特征在于:所述绝缘层为聚全氟乙丙烯塑料。 4. The medical device according to claim 1 a cable manufacturing process, wherein: said insulating layer is a fluorinated ethylene propylene plastic.
  5. 5. 如权利要求1所述的医疗设备用电缆制造方法,其特征在于:所述步骤(2) 5. The medical device according to claim 1 a cable manufacturing process, characterized in that: said step (2)
  6. 6. 如权利要求1所述的医疗设备用电缆制造方法,其特征在于:所述步骤(2) 中共提供导线十根。 The medical device as claimed in claim 1, with a cable manufacturing process, characterized in that: said step (2) to provide the CCP ten conductors.
  7. 7. 如权利要求1所述的医疗设备用电缆制造方法,其特征在于:所述导体为镀银铜线。 7. The medical device according to claim 1, a cable manufacturing process, wherein: said conductor is a silver-plated copper.
CN 200710031520 2007-11-19 2007-11-19 Cable making method for medical device CN100583312C (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761519A (en) 1987-01-29 1988-08-02 Precision Interconnect Corporation Highly flexible, shielded, multi-conductor electrical cable
CN2699443Y (en) 2004-05-18 2005-05-11 李明斌 A double layer insulated wire for lamps
CN2745185Y (en) 2004-05-18 2005-12-07 李明斌 Connecting cable special for medical instruments

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761519A (en) 1987-01-29 1988-08-02 Precision Interconnect Corporation Highly flexible, shielded, multi-conductor electrical cable
CN2699443Y (en) 2004-05-18 2005-05-11 李明斌 A double layer insulated wire for lamps
CN2745185Y (en) 2004-05-18 2005-12-07 李明斌 Connecting cable special for medical instruments

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