CN220778342U - Electrocardiogram lead wire for nuclear magnetic resonance - Google Patents
Electrocardiogram lead wire for nuclear magnetic resonance Download PDFInfo
- Publication number
- CN220778342U CN220778342U CN202321771308.7U CN202321771308U CN220778342U CN 220778342 U CN220778342 U CN 220778342U CN 202321771308 U CN202321771308 U CN 202321771308U CN 220778342 U CN220778342 U CN 220778342U
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- wire
- lead
- magnetic resonance
- nuclear magnetic
- parallel line
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- 238000005481 NMR spectroscopy Methods 0.000 title claims abstract description 28
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims description 19
- 239000004020 conductor Substances 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 7
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 5
- 238000003475 lamination Methods 0.000 abstract description 3
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- 238000002595 magnetic resonance imaging Methods 0.000 description 6
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- 229920000049 Carbon (fiber) Polymers 0.000 description 3
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- 229920006231 aramid fiber Polymers 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The application provides an electrocardio lead for nuclear magnetic resonance, can mutual interference for signal between traditional electrocardio lead among the prior art, can't guarantee to detect the problem of normal operating, this application provides and forms electrocardio lead parallel line pair to the solution of crisscross setting specifically does: the parallel line pair is at least provided with two pairs, the parallel line pairs are arranged in parallel in a staggered mode, the filling line is connected with the two electrocardiograph lead wires of the parallel line pairs, and the outer sheath wraps the parallel line pairs and the filling line. Through combining the staggered lamination mode of parallel line pairs, and respectively placing a filling line on two sides to fix the positions of the filling lines, the internal structure of the finished lead cable is stable and firm, the mutual signal interference between each group of lead lines is effectively avoided, and the normal operation of the signal transmission of the lead lines is ensured.
Description
Technical Field
The application relates to the technical field of lead wires, in particular to an electrocardio lead wire for nuclear magnetic resonance.
Background
Magnetic resonance imaging (Magnetic Resonance Imaging, MRI) is a newer medical imaging technique for displaying patient tissue details. Since patients undergoing MRI examinations are ill for various reasons, and since MRI patients are often traumatic, it is important to monitor the Electrocardiogram (ECG) health status of the patients simultaneously.
When a patient is subjected to a magnetic resonance examination, the cardiac electrical leads from the patient are affected by the strong magnetic field of the nuclear magnetic resonance apparatus. The rapidly changing magnetic field directs high levels of noise signals into the cardiac electrical leads that can interfere with the MRI image, and the strong magnetic field can also cause localized heating of the leads and electrode clamps, causing skin burns. Therefore, the nuclear magnetic resonance apparatus cannot have any magnetic metal material near the apparatus during operation.
The conductor and the shielding of the traditional electrocardiograph lead are made of nonmagnetic nonmetallic materials, so that the nuclear magnetic resonance equipment can be prevented from being damaged by being adsorbed into the equipment by a high magnetic field when the nuclear magnetic resonance equipment operates, the life safety of a patient is prevented from being threatened, but signals between the traditional electrocardiograph leads can be mutually interfered, and normal operation of detection cannot be guaranteed.
Disclosure of Invention
In view of the problems, the present application has been made to provide an electrocardiographic wire for nuclear magnetic resonance that overcomes the problems or at least partially solves the problems, including:
the utility model provides an electrocardio lead wire for nuclear magnetic resonance, includes oversheath, filling line and by two electrocardio lead wires parallel pair that connects side by side, parallel pair is equipped with two at least pairs, just parallel pair parallel staggered arrangement, filling line with two of parallel pair electrocardio lead wires are connected, the oversheath is lapped parallel pair with filling line.
Further, the filling line comprises an extrusion layer and a center filler coated in the extrusion layer.
Further, the center filler is a tensile aramid yarn filler.
Further, the electrocardiograph lead comprises a conductor, an insulating layer, a ground wire and a shielding layer, wherein the outer side of the conductor is sequentially coated with the insulating layer, the ground wire and the shielding layer from inside to outside.
Further, the electrocardiograph lead further comprises an inner sheath, and the inner sheath is coated on the outer side of the shielding layer.
Further, the conductor is a filament conductor.
Further, the ground wire is a filament ground wire.
Further, the insulating layer is an organic insulating layer.
The application has the following advantages:
in the embodiment of this application, can mutual interference for signal between traditional electrocardio lead among the prior art, can't guarantee to detect the problem of normal operating, this application provides and forms electrocardio lead line parallel line pair to the solution that crisscross setting specifically does: the parallel line pair is at least provided with two pairs, the parallel line pairs are arranged in parallel in a staggered mode, the filling line is connected with the two electrocardiograph lead wires of the parallel line pairs, and the outer sheath wraps the parallel line pairs and the filling line. Through combining the staggered lamination mode of parallel line pairs to respectively place a filling line on both sides and fix its position, guaranteed that finished product lead cable inner structure is stable firm, effectively guaranteed that signal interference between each group of lead wire can not appear each other, guaranteed lead wire signal transmission's normal operating, guaranteed the accuracy that the lead wire gathered human bioelectricity signal simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of an electrocardiograph lead for nuclear magnetic resonance according to an embodiment of the present application.
Reference numerals in the drawings of the specification are as follows:
1. an outer sheath; 2. an inner sheath; 3. a ground wire; 4. a shielding layer; 5. a conductor; 6. an insulating layer; 7. filling the line.
Detailed Description
In order to make the objects, features and advantages of the present application more comprehensible, the present application is described in further detail below with reference to the accompanying drawings and detailed description. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The inventors found by analyzing the prior art that: the internal structure of the traditional electrocardiograph lead cable is not stable enough, so that signals between the traditional electrocardiograph lead cables can be mutually interfered, and normal operation of detection cannot be guaranteed.
Referring to fig. 1, there is shown an electrocardiograph lead for nuclear magnetic resonance according to an embodiment of the present application, including an outer sheath 1, a filling wire 7, and parallel line pairs formed by connecting two electrocardiograph leads side by side, where the parallel line pairs are at least provided with two pairs, and the parallel line pairs are arranged in parallel in a staggered manner, the filling wire 7 is connected with two electrocardiograph leads of the parallel line pairs, and the outer sheath 1 wraps the parallel line pairs and the filling wire 7.
In the embodiment of this application, can mutual interference for signal between traditional electrocardio lead among the prior art, can't guarantee to detect the problem of normal operating, this application provides and forms electrocardio lead line parallel line pair to the solution that crisscross setting specifically does: the electrocardiograph comprises an outer sheath 1, a filling wire 7 and parallel line pairs formed by connecting two electrocardiograph lead wires side by side, wherein at least two parallel line pairs are arranged in parallel and staggered mode, the filling wire 7 is connected with the two electrocardiograph lead wires of the parallel line pairs, and the outer sheath 1 wraps the parallel line pairs and the filling wire 7. Through combining the staggered lamination mode of parallel line pairs to respectively place a filling line on both sides and fix its position, guaranteed that finished product lead cable inner structure is stable firm, effectively guaranteed that signal interference and the normal operating of lead wire signal transmission between each group of lead wire can not appear each other, guaranteed the accuracy that the lead wire gathered human bioelectricity signal simultaneously.
An electrocardiographic lead for nuclear magnetic resonance according to the present exemplary embodiment will be further described.
It should be noted that the tensile fillers 7 are disposed on each side of the two parallel line pairs. The central fiber of the tensile fill wire 7 is para-aramid invented by DuPont in U.S. and is a high performance fiber yarn (KEVLAR) with high tensile strength and high temperature resistance, which can increase the overall tensile strength of the cardiac electrical lead wire for nuclear magnetic resonance.
The outer sheath 1 is made of thermoplastic polyurethane elastomer material or polyvinyl chloride or thermoplastic rubber, and has hardness of 75A-85A (one standard of material hardness), so that the electrocardio lead wire for nuclear magnetic resonance has good softness, anti-winding property and chemical reagent disinfection resistance, can be bent at will, is comfortable to use and is easy to clean.
In a specific implementation, the electrocardio lead wire for nuclear magnetic resonance comprises four electrocardio lead wires, wherein the inner jackets 2 of the two electrocardio lead wires are connected together to form parallel line pairs, finally, the two parallel line pairs are overlapped in a staggered mode, two filling wires 7 are filled at two sides of the two parallel line pairs, polyurethane elastomer materials are extruded outside, and finally, the two parallel line pairs are coated by the outer jackets 1 to form the finished product of the nuclear magnetic resonance electrocardio lead wire. Wherein, the outer sheath 1 is used for cladding the electrocardiograph lead wires and the filling wires 7 of the 2 groups of parallel wire pairs together, thereby playing a role in protection.
According to the embodiment, 4 groups of original independent electrocardiograph lead wires are divided into 2 groups, each group of 2 electrocardiograph lead wires are connected together to form 2 parallel line pairs, then the parallel line pairs are stacked together in a parallel staggered mode, a filling wire is respectively placed on two sides to fix the positions of the parallel line pairs, the internal structure of a finished product lead cable is ensured to be stable and firm, an elliptical-like cable core can be formed, the appearance of an outside extruded elliptical sheath is ensured to be attractive, the elliptical-like cable can prevent the problem that products are difficult to use due to winding in the use process of a hospital, and the outer sheath part of the finished product lead wire can be cleaned and disinfected, so that the physical health of a patient is ensured.
In this embodiment, the filling line 7 includes an extrusion layer and a center filler coated in the extrusion layer; the center filler is a tensile aramid fiber filler.
The center of the filling wire 7 is a high-strength tensile aramid yarn, and a strip of thermoplastic elastomer, polyethylene, polypropylene or polyvinyl chloride sheath is extruded.
In this embodiment, the electrocardiograph lead includes a conductor 5, an insulating layer 6, a ground wire 3 and a shielding layer 4, and the outside of the conductor 5 is covered by the insulating layer 6, the ground wire 3 and the shielding layer 4 from inside to outside.
The electrocardiograph lead is mainly used for transmitting bioelectric signals collected from electrode plates attached to the body surface of a human body, and then transmitting the bioelectric signals to an electrocardiograph through a main cable. The shielding layer 4 is mainly used for isolating electromagnetic interference inside and outside the lead wire and ensuring the signal transmission stability of the conductor 5; the shielding layer 4 is an extrusion grade substance with carbon black added and supported by a thermoplastic elastomer or polyethylene or polypropylene or polyvinyl chloride. The ground wire 3 is used for leading out redundant charges generated in the using process of the lead wire through a grounding end, so that charge balance is achieved, and stable and reliable signal transmission of the central lead wire is ensured. The inner sheath 2 is used to protect each of the electrocardiographic leads. The insulating layer 6 is used for protecting the conductor 5, plays a role in insulation after power-on, ensures that the shielding layer 4 and the conductor 5 are not broken down, and ensures that the insulating property of each group of electrocardiograph lead wires is good.
In one embodiment, the outer sheath 1 is wrapped around the inner sheath 2 and the filler wire 7, the inner sheath 2 is wrapped around the ground wire 3 and the shielding layer 4, the shielding layer 4 is wrapped around the insulating layer 6, and the insulating layer 6 is wrapped around the conductor 5.
In this embodiment, the electrocardiograph lead further includes an inner sheath 2, and the inner sheath 2 is wrapped on the outer side of the shielding layer 4.
In a specific implementation, four sets of inner jackets 2 are covered by the outer jacket 1, and the inner jackets 2 are made of polyurethane elastomer, polyvinyl chloride or thermoplastic rubber.
In this embodiment, the conductor 5 is a filament conductor. The conductor 5 is a filament made of carbon fiber.
In this embodiment, the ground wire 3 is a filament ground wire. The ground wire is a filament made of carbon fiber.
The conductor 5 and the ground wire 3 in the embodiment all use nonmagnetic nonmetal carbon fiber filaments, so that the product is free of any magnetic metal material from inside to outside, the safety of patients and equipment in nuclear magnetic resonance examination is ensured, the acquisition and detection of electrocardiographic signals can be continuously carried out by the patients in nuclear magnetic resonance examination, and the uninterrupted detection of electrocardiographic signals in the treatment and examination process of the patients can be realized in the whole course.
In this embodiment, the insulating layer 6 is an organic insulating layer.
The insulating layer 6 is made of polyethylene, polypropylene, or a plastic or a thermoplastic elastomer. The insulating layer 6 is coated with the semi-conductive shielding layer 4, which is a high molecular semi-conductive material mixed by conductive carbon black and polyvinyl chloride material or polypropylene or polyethylene or thermoplastic elastomer, and has better effects of homogenizing electric fields and isolating electromagnetic interference.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
While preferred embodiments of the present embodiments have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the present application.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The foregoing has outlined a detailed description of an electrocardiographic wire for nuclear magnetic resonance provided by the present application, wherein specific examples are provided herein to illustrate the principles and embodiments of the present application, the above examples being provided only to assist in understanding the method of the present application and the core ideas thereof; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (8)
1. The electrocardio lead wire for nuclear magnetic resonance is characterized by comprising an outer sheath, a filling wire and parallel line pairs formed by connecting two electrocardio lead wires side by side, wherein at least two parallel line pairs are arranged and are arranged in parallel in a staggered mode, the filling wire is connected with the two electrocardio lead wires of the parallel line pairs, and the outer sheath wraps the parallel line pairs and the filling wire.
2. An electrocardiograph wire for nuclear magnetic resonance according to claim 1, wherein the filler wire comprises an extrusion layer and a center-filler coated in the extrusion layer.
3. An electrocardiograph wire for nuclear magnetic resonance according to claim 2, wherein the center filler is a tensile aramid filament filler.
4. An electrocardiograph lead for nuclear magnetic resonance according to claim 1, wherein the electrocardiograph lead comprises a conductor, an insulating layer, a ground wire and a shielding layer, and the outside of the conductor is covered with the insulating layer, the ground wire and the shielding layer in this order from inside to outside.
5. An electrocardiograph wire for nuclear magnetic resonance according to claim 4, further comprising an inner sheath that is wrapped around the outside of the shielding layer.
6. An electrocardiograph wire for nuclear magnetic resonance according to claim 4, wherein the conductor is a filament conductor.
7. An electrocardiographic lead for nuclear magnetic resonance according to claim 4, wherein the ground wire is a filament ground wire.
8. An electrocardiograph wire for nuclear magnetic resonance according to claim 4, wherein the insulating layer is an organic insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321771308.7U CN220778342U (en) | 2023-07-06 | 2023-07-06 | Electrocardiogram lead wire for nuclear magnetic resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321771308.7U CN220778342U (en) | 2023-07-06 | 2023-07-06 | Electrocardiogram lead wire for nuclear magnetic resonance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220778342U true CN220778342U (en) | 2024-04-16 |
Family
ID=90661638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321771308.7U Active CN220778342U (en) | 2023-07-06 | 2023-07-06 | Electrocardiogram lead wire for nuclear magnetic resonance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220778342U (en) |
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2023
- 2023-07-06 CN CN202321771308.7U patent/CN220778342U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000, No. 8 Xiangning Road, Ningxi Street, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Baoxin Wire and Cable Manufacturing Co.,Ltd. Country or region after: China Address before: Floor 3, No. 10 Xiangxing Road, Buyong Community, Shajing Street, Bao'an District, Shenzhen City, Guangdong Province, 518000 Patentee before: Shenzhen Baoxin Wire and Cable Manufacturing Co.,Ltd. Country or region before: China |