CN111933328A - Multifunctional electrocardio lead special line and manufacturing method thereof - Google Patents
Multifunctional electrocardio lead special line and manufacturing method thereof Download PDFInfo
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- CN111933328A CN111933328A CN202010824976.6A CN202010824976A CN111933328A CN 111933328 A CN111933328 A CN 111933328A CN 202010824976 A CN202010824976 A CN 202010824976A CN 111933328 A CN111933328 A CN 111933328A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
Abstract
A multifunctional special electrocardiograph lead wire and a manufacturing method thereof are provided, the multifunctional special electrocardiograph lead wire comprises a tin copper foil wire conductor and a silver-plated copper foil wire conductor which are twisted in pairs to form an electrocardiograph conductor, and an FEP insulating layer is arranged on the outer surface of the conductor to form an electrocardiograph inducer; the outer surface of the electrocardio inducer is sequentially coated with a conductive layer of a vinyl carbon resin component, a braided shielding layer of a tinned copper component and an outer sheath of an FEP component; one end of the five-core shielding lead wire is connected with a human body connecting terminal in a pressing mode, the other end of the five-core shielding lead wire is connected with the tail end of one core wire of the five-core shielding lead wire through the chip circuit board, and the serial circuit of a gas discharger and a chip resistor in the chip circuit board is subjected to insulation shielding treatment; the other end of the five-core shielding lead wire is connected with a plug for electrocardio equipment and adopts magnetic ring anti-interference treatment. The invention has the advantages of bending resistance, tensile resistance, high temperature resistance, good defibrillation effect, strong electrostatic protection, good shielding effect and the like, and can transmit the physiological signals of patients without external interference and transmit the signals accurately.
Description
Technical Field
The invention relates to medical electronic instrument accessories, consumables and a process, in particular to a multifunctional electrocardio lead special line and a manufacturing method thereof.
Background
A multifunctional special wire for the electrocardiographic lead is used for connecting a monitoring probe with various electrocardiographic monitoring devices (electrocardiographs, monitors and the like), the probe collects physiological signals of patients and then transmits bioelectric signals such as electrocardiographic signals, electromyographic signals, brain waves, nervous system signals and the like to the electrocardiographic monitoring devices through the multifunctional special wire for the electrocardiographic lead to monitor patients with serious diseases in real time, the existing electrocardiographic lead wire usually comprises a human body connecting terminal, a plurality of electrocardiographic lead wires, a relay box, a circular multi-core lead wire and a plug connected with the electrocardiographic devices, and certain shielding measures are usually arranged in the lead wire to shield external electromagnetic interference. However, the existing ECG cable has poor shielding effect, and weak tensile and bending resistance; the conductor usually adopts a bare copper component, is easy to oxidize, and is usually welded with a human body connecting terminal, so that welding spots are easy to fall off and the connecting part is easy to break off in frequent use, and the core wire in the lead wire loses the signal conduction effect and cannot meet the clinical frequent use in medicine. The relay boxes of the plurality of electrocardio lead wires can measure human body signals of a plurality of parts of a human body by using the electrocardio lead wires at the same time, have the functions of a deconcentrator and can contain elements such as a resistor, a magnetic ring and the like sometimes, but the relay boxes have high process requirements and small capacity, so that the relay boxes have less functions, the quality cannot be guaranteed, and good effects on defibrillation, static electricity prevention, high temperature resistance and the like cannot be achieved. The existing ECG cable is lack of protection to over-current and electrostatic treatment, which easily causes damage to the core wire and generates an electrostatic magnetic field to affect the function.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a multifunctional electrocardio lead special wire which has high temperature resistance, tensile resistance, bending resistance, interference resistance, defibrillation and strong antistatic performance and has overcurrent protection and a manufacturing method thereof.
In order to solve the above defects in the prior art, the technical scheme provided by the invention is as follows:
a multi-functional electrocardio leads the specialized line, including a tin copper foil wire conductor and a silver-plated copper foil wire conductor, characterized by that the tin copper foil wire conductor and silver-plated copper foil wire conductor pair twist form electrocardio conductor, strengthen its oxidation resistance, the silver-plated copper foil wire conductor has also strengthened mechanical properties such as tensile, bending resistance of the lead wire; the outer surface of the electrocardio conductor is provided with an FEP insulating layer, so that an electrocardio inducer is formed, and the high temperature resistance of the electrocardio inducer is enhanced.
In order to increase the shielding function of the electrocardio inductor, the outer surface of the electrocardio inductor is provided with a conductive layer of a vinyl carbon resin component, the outer surface of the conductive layer is provided with a braided shielding layer of a tinned copper component, the electrocardio inductor is manufactured by adopting a braiding process, the conductive layer and the braided shielding layer play a double-layer shielding role together, the interference of external electromagnetic waves can be completely avoided, the outer surface of the braided shielding layer is provided with an outer sheath of an FEP component so as to increase the high temperature resistance of the electrocardio inductor, and further, an electrocardio lead wire is formed, and.
And one end of each electrocardio conductor is also connected with a human body connecting terminal in a pressing mode.
A human body connecting terminal hard insulating resin layer is arranged at the joint of each electrocardioconductor and the human body connecting terminal, and a human body connecting terminal soft insulating resin layer is arranged on the outer surface of the human body connecting terminal hard insulating resin layer, so that the electrocardioconductor and the human body connecting terminal have strength and toughness; the human body contact end piece is arranged on the inner side of the hard insulating resin layer of the human body connecting terminal, and the front side of the human body contact end piece is exposed in the air; the electrocardio conductor is welded on the back of the human body contact end piece through the crimping copper pipe, the welding spot is positioned between the inner side of the hard insulating resin layer of the human body connecting terminal and the back of the human body contact end piece, the bending resistance and the bending resistance of the joint part of the electrocardio conductor are enhanced by adopting a crimping process, and the service life is prolonged, so that the electrocardio conductor with the human body connecting terminal is formed.
One end of each electrocardioconductor, which is opposite to the human body connecting terminal, is connected with the tail end of one core wire of the five-core shielding lead wire through the chip circuit board, 5 core wires are arranged in the five-core shielding lead wire and are twisted in pairs, and five-core tin-copper shielding layers are arranged on the outer surfaces of the 5 core wires and are made of tin-copper components by adopting a weaving process; the core wire conductor is a tinned copper component and can enhance the oxidation resistance, the insulating layer is an FEP component and can enhance the high temperature resistance, a polyethylene resin conducting layer is arranged between the five-core tinned copper shielding layer and the core wire, and the double-layer shielding plays a role in enhancing the shielding signal.
One side of the chip circuit board is fixed on the chip circuit board fixing plate through screws so as to enhance the stability of the chip circuit board fixing plate; a copper foil patch is arranged on the other side of the chip circuit board fixing plate and used for welding the shielding layer; a relay box outer box is arranged on the outer side of the chip circuit board, so that a relay box is formed; the inner wall of the outer box of the relay box is provided with a copper foil patch to enhance the shielding effect.
5 groups of gas discharge tubes and chip resistors are arranged in one side of the chip circuit board and are respectively welded on the chip circuit board in parallel and in series to prevent overcurrent damage and enhance defibrillation; each electrocardioconductor and core wire are respectively welded at two ends of a series circuit consisting of each group of gas discharge tubes and a chip resistor in series, and the welding joint stripping method is the same as the crimping joint stripping method, so that signals transmitted by 5 core electric lead wires are converged into 1 five-core shielding lead wire; each woven shielding layer and each five-core tin-copper shielding layer are respectively welded on two sides of the copper foil patch to play a role in shielding and grounding. The chip circuit board is adopted, so that the gas discharge tube and the chip resistor can be considered at the same time, the size is reduced, the process stability is enhanced, and the quality is ensured.
The resistance value of the patch resistor is more than 35KQ, so that the patch resistor is suitable for occasions of high-voltage defibrillation and the like, and the resistance value of the resistor for preventing high voltage from being communicated with the electrocardio equipment is preferably more than 35 KQ.
The other end of the five-core shielding lead wire is connected with a plug of the electrocardio equipment, and a plug crimping terminal and a magnetic ring are arranged at the connecting end of the five-core shielding lead wire and the plug. The firmness of connection is guaranteed by the aid of the plug crimping terminals, and electromagnetic waves generated by the conductors can be effectively filtered by the aid of the magnetic rings.
The joint part of the plug crimping terminal, the magnetic ring and the plug is covered with hard insulating resin of the plug terminal; the soft insulating resin is coated on the outer surface of the hard insulating resin of the plug terminal to play roles of wrapping, connecting and beautifying.
A method for manufacturing a multifunctional electrocardio lead special line comprises the steps of manufacturing an electrocardio lead line, and is characterized by comprising the following steps:
the method comprises the steps of bunching a plurality of silver-plated copper foil wires into 1 silver-plated copper foil wire, then twisting the silver-plated copper foil wire bunch with a copper foil wire conductor to form an electrocardioconductor, extruding an FEP insulating layer on the outer surface of the electrocardioconductor at a high temperature to form an electrocardio inductor, extruding a conductive layer on the outer surface of the electrocardio inductor, weaving a braided shielding layer on the outer surface of the conductive layer, and finally extruding an FEP outer sheath on the outer surface of the braided shielding layer at a high temperature to form the electrocardio lead wire which has bending resistance, tensile resistance and high temperature resistance and is subjected to two layers of electromagnetic shielding.
The manufacturing method of the multifunctional electrocardio lead special line is characterized by further comprising the following steps:
peeling off an outer sheath at one end of the electrocardio lead wire by 20-30 mm, peeling off a braided shielding layer and a conducting layer to expose the electrocardio inductor, peeling off an FEP insulating layer of the exposed electrocardio inductor by 15-20 mm to expose the electrocardio conductor, inserting the exposed electrocardio conductor into a crimping copper pipe of a human body connecting terminal, connecting the electrocardio conductor and the human body connecting terminal with each other in a crimping mode, welding the crimping copper pipe on the back of a human body contact terminal piece, performing primary molding on a joint part of the human body connecting terminal and the electrocardio lead wire by using hard insulating resin to connect the human body connecting terminal and the electrocardio lead wire into a whole, and then performing secondary molding on the outer surface of the hard insulating resin by using soft insulating resin, wherein the front of the human body contact terminal piece is exposed in the air.
The manufacturing method of the multifunctional electrocardio lead special line is characterized by further comprising the following steps:
preparing a five-core shielding lead wire, preparing a chip circuit board and 5 electrocardio lead wires pressed with human body connecting terminals, arranging 5 groups of gas discharge tubes and chip resistors in one side of the chip circuit board, respectively welding the gas discharge tubes and the chip resistors in series side by side on the chip circuit board, fixing the other side of the chip circuit board on a chip circuit board fixing plate through screws, pasting a copper foil patch on the other side of the chip circuit board fixing plate, peeling 20-30 mm of an outer sheath at one end of the 5 electrocardio lead wires pressed with the human body connecting terminals, peeling off a braided shielding layer and a conducting layer to expose an electrocardio inductor, peeling 15-20 mm of an FEP insulating layer of the exposed electrocardio inductor to expose an electrocardio conductor, respectively welding the 5 exposed electrocardio conductors to one end of a series circuit consisting of 5 groups of gas and chip resistors, and peeling off the five-core lead wires by the method, exposing conductor parts of 5 core wires, respectively welding the conductor parts to the other end of a series circuit consisting of 5 groups of gas discharge tubes and chip resistors, respectively welding a braided shielding layer stripped from 5 electrocardio lead wires which are connected with human body connecting terminals in a pressing mode and a five-core tin-copper shielding layer stripped from five-core shielding lead wires to two ends of a copper foil chip on the other side of a chip circuit board fixing plate to play the roles of shielding and grounding wires, mutually insulating each group of series circuits, and forming a relay box outer box adhered with the copper foil chip in one step to form the relay box.
The manufacturing method of the multifunctional electrocardio lead special line is characterized by further comprising the following steps:
the other end of the five-core shielding lead wire is connected with a plug of the electrocardio equipment, a plug crimping terminal and a magnetic ring are arranged at the connecting end of the five-core shielding lead wire and the plug, a five-core tin-copper shielding layer is separately connected with an independent terminal of the plug to perform ground wire treatment, finally, the outside of the plug crimping terminal and the magnetic ring and the joint part of the five-core shielding lead wire and the plug are subjected to one-step forming by using hard insulating resin of the plug terminal, and the outer surface of the plug crimping terminal and the magnetic ring is coated with soft insulating resin for secondary forming.
Aiming at the defects of the existing ECG lead wire technology, the invention improves the ECG lead wire structure and the manufacturing process, and compared with the prior art, the invention has the advantages that.
1. The electrocardio inductor adopts a brand-new technology to form 1 silver-plated copper foil wire bunch into a heart electric conductor in pair with a tin-copper foil wire conductor, plays the roles of bending resistance, tensile resistance and oxidation resistance, then extrudes an FEP insulating layer at high temperature to enhance the high temperature resistance of the FEP insulating layer, adds a conducting layer and a braided shielding layer for double-layer shielding, and finally extrudes an FEP component outer sheath at high temperature to enhance the shielding effect and the high temperature resistance of the FEP component outer sheath, so that the signal transmission is stable and accurate.
2. The invention adopts the compression joint process to replace the welding process at the human body connecting terminal, avoids the frequent bending and damage of the joint part, and is mature and environment-friendly.
3. The invention implements effective shielding measures on all the lead wires and the relay box, can better shield the electromagnetic interference in the environment and improve the accuracy and the stability of signal transmission.
4. The chip circuit board is arranged in the word relay box, the gas amplifier and the chip resistor are connected in series on the chip circuit board side by side, so that the space is saved, the functions are increased, the stability and the quality of the process are ensured, and the functions of defibrillation, overcurrent protection and static electricity prevention are greatly achieved.
5. The plug end adopts a compression joint process to replace a welding process, so that the connector is prevented from being frequently bent and damaged, the connector is mature and environment-friendly, and meanwhile, the anti-interference capability is enhanced by adding the magnetic ring.
Drawings
FIG. 1: the structure of the electrocardio-conductor is shown schematically.
FIG. 2: structural schematic diagram of the electrocardio inducer.
FIG. 3: the structure of the electrocardiograph lead wire is shown schematically.
FIG. 4: the assembly structure of the ECG cable and the human body connecting terminal is schematically shown.
FIG. 5: the back structure schematic diagram is pressed after the electrocardio lead wire is pressed and connected with the human body connecting terminal.
FIG. 6: the structure of the connecting end of the electrocardio lead wire and the human body is shown schematically.
FIG. 7: the front structure schematic diagram is pressed after the electrocardio lead wire is pressed and connected with the human body connecting terminal.
FIG. 8: the tail end of one core wire of the electrocardio lead wire and the five-core shielding lead wire is connected with the schematic structural diagram.
FIG. 9: the connection structure of the ECG cable and the chip circuit board is schematically shown.
FIG. 10: the structure of the relay box is schematic.
FIG. 11: the five-core shielding lead wire, the relay box and the plug are assembled to form a schematic structural diagram.
FIG. 12: the assembly structure of the five-core shielding lead wire and the plug is schematically shown.
Wherein: 1. a tin copper foil wire conductor, 2 a silver-plated copper foil wire conductor, 3 an electrocardio conductor, 4 an FEP insulating layer, 5 an electrocardio inductor, 6 a conducting layer, 7 a braided shielding layer, 8 an outer sheath, 9 an electrocardio lead wire, 10 a human body connecting terminal, 11 a chip circuit board, 12 a relay box, 13 a five-core shielding lead wire, 14, the plug comprises a plug crimping terminal, 15, a magnetic ring, 16, plug terminal hard insulating resin, 17, a plug, 101, a human body connecting terminal soft insulating resin layer, 102, a human body connecting terminal hard insulating resin layer, 103, a crimping copper pipe, 104, a human body contact terminal piece, 111, a gas discharge pipe, 112, a chip resistor, 121, a relay box outer box, 122, a chip circuit board fixing plate, 123, a copper foil chip, 131, a core wire and 132 five-core tin-copper shielding layer.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the invention relates to a multifunctional electrocardio lead special line, which aims to transmit electric waves of a human body monitoring part to an electrocardio monitoring device, wherein an electrocardio conductor 3 is formed by twisting a tin-copper foil wire conductor 1 and a silver-plated copper foil wire conductor 2 in pairs, the silver-plated copper foil wire conductor 2 is a reinforcing wire, a plurality of silver-plated copper foil wires are bundled into 1 wire, the signal transmission and the mechanical property enhancement are both considered, the tin-copper foil wire conductor 1 adopts a tin-copper component, and the silver-plated copper foil wire conductor 2 adopts a silver-plated copper component, so that the oxidation resistance is enhanced.
As shown in figure 2, the FEP insulating layer 4 is extruded on the outer surface of the electrocardiogram conductor 3 at high temperature to form the electrocardiogram inductor 5, and the FEP insulating layer 4 has high temperature resistance, can continuously use the wire for 3000 hours at the temperature of-80-200 ℃, and is very necessary to ensure the electrocardiogram monitoring of patients.
As shown in fig. 3, in the manufacturing process of the electrocardiograph lead wire 9, the conductive layer 6 made of ethylene carbon resin is extruded from the outer surface of the electrocardiograph inductor 5 to play a role in shielding electromagnetic waves, the braided shielding layer 7 of the tin-copper component is braided on the outer surface of the conductive layer 6 to perform secondary shielding, the outer sheath 8 of the FEP component is extruded from the outer surface of the braided shielding layer 7 at a high temperature, the electrocardiograph lead wire 9 adopts double-layer shielding treatment to completely effectively shield external electromagnetic waves, the braided shielding layer 7 adopts a braiding process to replace a winding process, so that the shielding effect is better, and the outer sheath of the insulating layer adopts the FEP material, so that the high temperature resistance is greatly enhanced.
As shown in fig. 4, in the multifunctional special electrocardiographic lead wire of the present invention, the outer sheath 8 at one end of the electrocardiographic lead wire 9 is peeled off by 20 to 30mm, and the braided shielding layer 7 and the conductive layer 6 are peeled off to expose the electrocardiographic inductor 5; peeling off 15-20 mm of the exposed FEP insulating layer 4 of the electrocardio-inductor 5 to expose the electrocardio-conductor 3; the exposed electrocardiograph conductor 3 is inserted into a pressure contact copper tube 103 of the human body connection terminal 10, and as shown in fig. 5, the electrocardiograph conductor 3 and the human body connection terminal 10 are connected to each other in a pressure contact manner; the pressure welding copper pipe 103 is welded on the back of the human body contact end piece 104, the welding point is positioned between the inner side of the human body connecting terminal hard insulating resin layer 102 and the back of the human body contact end piece 104, as shown in fig. 4, the human body connecting terminal 10 and the electrocardio lead wire 9 are formed into the human body connecting terminal hard insulating resin layer 102 by one-step molding with hard insulating resin at the joint part, so that the human body connecting terminal 10 and the electrocardio lead wire 9 are connected into a whole; then, the soft insulating resin layer 101 of the human body connecting terminal is formed by secondary molding on the outer surface of the hard insulating resin layer 102 of the human body connecting terminal by using soft insulating resin, as shown in fig. 6 and 7, the front surface of the human body contact terminal piece 104 is exposed in the air, and the bending resistance and the folding resistance of the joint part are enhanced by adopting a compression joint process, so that the service life is prolonged.
As shown in fig. 8 and 9, in the multifunctional special electrocardiographic lead wire of the present invention, one end of the electrocardiographic conductor 3 opposite to the human body connection terminal 10 is connected to the end of one core wire 131 of the five-core shielding lead wire 13 via the chip circuit board 11, 5 core wires 131 are arranged in the five-core shielding lead wire 13 and twisted in pairs, and five-core tin-copper shielding layers 132 are arranged on the outer surfaces of the 5 core wires 131 and are woven by tin-copper members; the conductor of the core wire 131 is a tin-plated copper member, the insulating layer is an FEP member, and a polyethylene resin conductive layer is arranged between the five-core tin-copper shielding layer 132 and the core wire 131.
As shown in fig. 10, one side of the chip circuit board 11 is fixed on the chip circuit board fixing plate 122 by screws to play a role of stabilization, the other side of the chip circuit board fixing plate 122 is pasted with a copper foil patch 123, the outer side of the chip circuit board 11 is provided with a relay box outer box 121 to form a relay box 12, and the inner wall of the relay box outer box 121 is provided with the copper foil patch to enhance the shielding effect.
As shown in fig. 8, in the multifunctional electrocardiographic lead dedicated wire of the present invention, 5 sets of gas discharge tubes 111 and chip resistors 112 are disposed in one side of the chip circuit board 11, and are respectively welded in series on the chip circuit board 11 in parallel; each electrocardio conductor 3 and the core wire 131 are respectively welded in series at two ends of a series circuit formed by each group of gas discharge tubes 111 and chip resistors 112; the stripping method of the welding joint is the same as the stripping method of the crimping joint, each woven shielding layer 7 and each five-core tin-copper shielding layer 132 are respectively welded on two sides of the copper foil patch 123 to play the roles of shielding and grounding, then each group of series circuits are mutually insulated (the illustration is omitted), and the chip circuit board is adopted to simultaneously consider the gas discharge tube and the patch resistor, so that the overcurrent protection, the static electricity prevention and the defibrillation effects are achieved, the volume is reduced, the process stability is enhanced, and the quality is ensured.
The resistance of the patch resistor 112 is above 35KQ, which ensures that the device will not be damaged when defibrillation is performed at 5000V high voltage or other operations requiring high voltage loop.
As shown in fig. 11 and 12, the multifunctional electrocardiographic lead wire according to the present invention is characterized in that the other end of the five-core shielding lead wire 13 is connected to a plug 17 of an electrocardiograph, a plug crimping terminal 14 and a magnetic ring 15 are provided at the connection end of the five-core shielding lead wire 13 and the plug 17, a five-core tin-copper shielding layer 132 is separately connected to an independent terminal of the plug 17, a ground wire treatment is performed, and finally, a plug terminal hard insulating resin 16 is formed at the outside of the plug crimping terminal 14 and the magnetic ring 15 and at the connection portion of the five-core shielding lead wire 13 and the plug 17 at one time, and a soft insulating resin is coated on the outer surface of the plug crimping terminal and the magnetic ring.
As described above, by the technical means, the accuracy of transmission of the human heart electric waves to the electrocardio equipment is ensured, the problems of inaccurate data transmission and untimely medical clinical accidents of monitoring and emergency treatment caused by external interference or overcurrent are solved, and the life danger of the seriously ill patient is avoided.
Claims (14)
1. A multifunctional electrocardio lead special line comprises a tin-copper foil wire conductor (1) and a silver-plated copper foil wire conductor (2), and is characterized in that the tin-copper foil wire conductor (1) and the silver-plated copper foil wire conductor (2) are twisted in pairs to form an electrocardio conductor (3); the outer surface of the electrocardio-conductor (3) is provided with an FEP insulating layer, so that an electrocardio-inductor (5) is formed.
2. The special multifunctional electrocardiograph lead wire according to claim 1, wherein the electrocardiograph inducer (5) has a conductive layer (6) on the outer surface, and the conductive layer (6) is a vinyl carbon resin member; the outer surface of the conducting layer (6) is provided with a braided shielding layer (7), and the braided shielding layer (7) is a tin-plated copper component; an outer sheath (8) is arranged on the outer surface of the braided shielding layer (7), the outer sheath (8) is an FEP component, and further an electrocardio conducting wire (9) is formed, and 5 electrocardio conducting wires (9) are arranged.
3. The multifunctional special electrocardiographic lead according to claim 1, wherein a human body connection terminal (10) is further crimped to one end of each electrocardiographic conductor (3).
4. The multifunctional special electrocardiographic lead wire according to claim 3, wherein a human body connecting terminal hard insulating resin layer (102) is provided at a joint of each electrocardiographic conductor (3) and a human body connecting terminal (10), a human body connecting terminal soft insulating resin layer (101) is provided on an outer surface of the human body connecting terminal hard insulating resin layer (102), a human body contact terminal piece (104) is provided inside the human body connecting terminal hard insulating resin layer (102), and the human body contact terminal piece (104) is exposed in the air at the front; the electrocardioconductor (3) is welded on the back of the human body contact end piece (104) through a crimping copper pipe (103), and the welding point is positioned between the inner side of the human body connecting terminal hard insulating resin layer (102) and the back of the human body contact end piece (104).
5. The multifunctional electrocardiograph lead dedicated wire according to claim 1, wherein the end of each electrocardiograph conductor (3) opposite to the human body connection terminal (10) is connected to the end of one core wire (131) of a five-core shielding lead wire (13) through a chip circuit board (11), 5 core wires (131) are arranged in the five-core shielding lead wire (13) and twisted in pairs, and five-core tin-copper shielding layers (132) are arranged on the outer surfaces of the 5 core wires (131) and are woven by tin-copper components; the conductor of the core wire (131) is a tin-plated copper component, the insulating layer is an FEP component, and a polyethylene resin conducting layer is arranged between the five-core tin-copper shielding layer (132) and the core wire (131).
6. The multifunctional special electrocardiographic lead wire according to claim 5, wherein one side of the chip circuit board (11) is fixed on the chip circuit board fixing plate (122) by screws; a copper foil patch (123) is arranged on the other side of the chip circuit board fixing plate (122); a relay box outer box (121) is arranged on the outer side of the chip circuit board (11) so as to form a relay box (12); the inner wall of the relay box outer box (121) is provided with a copper foil patch.
7. The multifunctional special electrocardiograph lead wire according to claim 6, wherein 5 groups of gas discharge tubes (111) and chip resistors (112) are arranged in one side of the chip circuit board (11) and are respectively welded on the chip circuit board (11) in series side by side; each electrocardioconductor (3) and the core wire (131) are respectively welded at two ends of a series circuit formed by each group of gas discharge tubes (111) and chip resistors (112) in series; each braided shielding layer (7) and each five-core tin-copper shielding layer (132) are respectively welded on two sides of the copper foil patch (123).
8. The multifunctional special electrocardiographic lead wire according to claim 7, wherein the resistance of the patch resistor (112) is above 35 KQ.
9. The multifunctional special electrocardiograph lead according to claim 5, wherein the other end of the five-core shielding lead wire (13) is connected with a plug (17) of electrocardiograph equipment, and a plug crimping terminal (14) and a magnetic ring (15) are arranged at the connection end of the five-core shielding lead wire (13) and the plug (17).
10. The special multifunctional electrocardiographic lead wire according to claim 9, wherein the joint portion of the plug crimp terminal (14), the magnetic ring (15) and the plug (17) is covered with a plug terminal hard insulating resin (16); the outer surface of the hard insulating resin (16) of the plug terminal is coated with a soft insulating resin.
11. The manufacturing method of the multifunctional special electrocardiograph lead wire comprises the manufacturing step of the electrocardiograph lead wire (9), and is characterized by comprising the following steps:
the method comprises the steps of bundling a plurality of silver-plated copper foil wires into 1 silver-plated copper foil wire (2), twisting the silver-plated copper foil wire with a copper foil wire conductor (1) to form an electrocardioconductor (3), extruding an FEP insulating layer (4) on the outer surface of the electrocardioconductor (3) at a high temperature to form an electrocardio inductor (5), extruding a conductive layer (6) on the outer surface of the electrocardio inductor (5), weaving a woven shielding layer (7) on the outer surface of the conductive layer (6), and finally extruding an FEP outer sheath (8) on the outer surface of the woven shielding layer (7) at a high temperature to form the electrocardio lead wire (9) which has bending resistance, tensile resistance and high temperature resistance and is subjected to two layers of electromagnetic shielding treatment.
12. The method for manufacturing the special multifunctional electrocardiograph lead wire according to claim 11, further comprising the following steps:
peeling off the outer sheath (8) at one end of the electrocardio lead wire (9) by 20-30 mm, and peeling off the braided shielding layer (7) and the conducting layer (6) to expose the electrocardio inductor (5); peeling off 15-20 mm of the FEP insulating layer (4) of the exposed electrocardio-inductor (5) to expose the electrocardio-conductor (3); the exposed electrocardio-conductor (3) is inserted into a crimping copper tube (103) of a human body connecting terminal (10), and the electrocardio-conductor (3) and the human body connecting terminal (10) are connected with each other in a crimping way; the compression joint copper pipe (103) is welded on the back of the human body contact end piece (104); the hard insulating resin layer (102) of the human body connecting terminal is formed by one-step molding by hard insulating resin at the joint part of the human body connecting terminal (10) and the electrocardio lead wire (9), so that the human body connecting terminal (10) and the electrocardio lead wire (9) are connected into a whole; then, the outer surface of the hard insulating resin layer (102) of the human body connecting terminal is subjected to secondary molding by using soft insulating resin to form a soft insulating resin layer (101) of the human body connecting terminal, and the front surface of the human body contact terminal piece (104) is exposed in the air.
13. The method for manufacturing a multifunctional electrocardiograph lead dedicated wire according to claim 11 or 12, characterized by further comprising the steps of:
preparing a five-core shielding lead wire (13), preparing a chip circuit board (11) and 5 electrocardiolead wires (9) which are crimped with the human body connecting terminals (10), wherein 5 groups of gas discharge tubes (111) and chip resistors (112) are arranged in one side of the chip circuit board (11) and are respectively welded on the chip circuit board (11) in series side by side; the other side of the chip circuit board (11) is fixed on a chip circuit board fixing plate (122) through screws; a copper foil patch (123) is pasted on the other side of the chip circuit board fixing plate (122); peeling off the outer sheath (8) at one end of the 5 electrocardio lead wires (9) which are connected with the human body connecting terminals (10) by 20-30 mm, and peeling off the braided shielding layer (7) and the conducting layer (6) to expose the electrocardio inductor (5); peeling 15-20 mm of an FEP insulating layer (4) of the exposed electrocardio-inductor (5) to expose electrocardio-conductors (3), then respectively welding 5 exposed electrocardio-conductors (3) at one end of a series circuit consisting of 5 groups of gas discharge tubes (111) and chip resistors (112), stripping off the five-core lead wires (13) by the method to expose conductor parts of 5 core wires (131), and then respectively welding the conductor parts at the other end of the series circuit consisting of 5 groups of gas discharge tubes (111) and chip resistors (112); and respectively welding the braided shielding layer (7) stripped from the 5 electrocardio lead wires (9) which are connected with the human body connecting terminals (10) in a pressing way and the five-core tin-copper shielding layer (132) stripped from the five-core shielding lead wires (13) at two ends of a copper foil patch (123) at the other side of the chip circuit board fixing plate (122), then mutually insulating each group of series circuits, and once forming the relay box outer box (121) adhered with the copper foil patch to form the relay box (12).
14. The method for manufacturing the special multifunctional electrocardiograph lead wire according to claim 13, further comprising the following steps:
the other end of the five-core shielding lead wire (13) is connected with a plug (17) of the electrocardio equipment, a plug crimping terminal (14) and a magnetic ring (15) are arranged at the connecting end of the five-core shielding lead wire (13) and the plug (17), a five-core tin-copper shielding layer (132) is independently connected with an independent terminal of the plug (17), and finally, the plug crimping terminal (14) and the magnetic ring (15) and the joint part of the five-core shielding lead wire (13) and the plug (17) are subjected to one-step molding by using hard insulating resin (16) of the plug terminal, and the outer surface of the plug crimping terminal and the magnetic ring is coated with soft insulating resin for secondary molding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010824976.6A CN111933328A (en) | 2020-08-17 | 2020-08-17 | Multifunctional electrocardio lead special line and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010824976.6A CN111933328A (en) | 2020-08-17 | 2020-08-17 | Multifunctional electrocardio lead special line and manufacturing method thereof |
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| US4974600A (en) * | 1989-07-18 | 1990-12-04 | Reyes Rey S | Interface cable for connecting bedside electrocardiograph monitor to portable defibrillator/electrocardiograph machine |
| CN102592721A (en) * | 2012-03-20 | 2012-07-18 | 青岛光电电子器具有限公司 | Electrocardiogram cable and manufacturing method thereof |
| CN104622460A (en) * | 2014-12-31 | 2015-05-20 | 北京瀚景锦河科技有限公司 | ECG signal collecting device |
| CN207765183U (en) * | 2017-12-13 | 2018-08-24 | 青岛光电电子器具有限公司 | Electrocardio core wire and its electric separated time cable and cardiac diagnosis lead-line |
| CN208157106U (en) * | 2018-05-11 | 2018-11-27 | 深圳市理邦精密仪器股份有限公司 | Medical lead line and medical lead device |
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2020
- 2020-08-17 CN CN202010824976.6A patent/CN111933328A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4974600A (en) * | 1989-07-18 | 1990-12-04 | Reyes Rey S | Interface cable for connecting bedside electrocardiograph monitor to portable defibrillator/electrocardiograph machine |
| CN102592721A (en) * | 2012-03-20 | 2012-07-18 | 青岛光电电子器具有限公司 | Electrocardiogram cable and manufacturing method thereof |
| CN104622460A (en) * | 2014-12-31 | 2015-05-20 | 北京瀚景锦河科技有限公司 | ECG signal collecting device |
| CN207765183U (en) * | 2017-12-13 | 2018-08-24 | 青岛光电电子器具有限公司 | Electrocardio core wire and its electric separated time cable and cardiac diagnosis lead-line |
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Application publication date: 20201113 |