CN217426387U

CN217426387U - Low-noise electrocardio monitoring cable adopting carbon fibers

Info

Publication number: CN217426387U
Application number: CN202221428136.9U
Authority: CN
Inventors: 苟举才
Original assignee: Dongguan Te'an Cable Technology Co ltd
Current assignee: Dongguan Te'an Cable Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-13
Anticipated expiration: 2032-06-09

Abstract

Adopt low noise electrocardio monitoring cable of carbon fiber, including the sinle silk of coaxial setting, fastening layer, insulating layer, fall the layer of making an uproar, shielding layer, overcoat layer, the sinle silk comprises conductive carbon fiber bundle, the fastening layer cladding is in order to tighten the carbon fiber bundle at the surface of sinle silk, the insulating layer cladding is in the surface of fastening layer, fall the layer system extrusion moulding of making an uproar in the semi-conductive electric polyethylene covering of insulating layer surface, shielding layer system cladding is in the conductive carbon fiber of the outer surface of making an uproar, the overcoat layer cladding is outside the shielding layer. Compared with the prior art, the beneficial effects of the utility model reside in that: the carbon fiber is adopted to replace metal to serve as the wire core and the shielding layer of the electrocardio monitoring cable, so that the electrocardio monitoring cable is small in mass, high in rigidity and low in friction noise, and does not interfere with X-ray images when used in X-ray examination.

Description

Low-noise electrocardio monitoring cable adopting carbon fibers

Technical Field

The utility model relates to the technical field of medical equipment, specifically a low noise electrocardio monitoring cable who adopts carbon fiber.

Background

The electrocardiographic monitoring is the main basis for monitoring and diagnosing cardiovascular diseases, and usually adopts electrode patches, lead wires and monitoring equipment to be matched with each other. The electrode patches are respectively arranged at the lower finger position of the right clavicle of the human body, the intersection point of the fifth rib on the left side and the left anterior axillary line and the connection midpoint of the two nipples, the electrode patches are connected to monitoring equipment through lead wires, and the electrocardio monitoring can be carried out by starting the monitoring equipment.

The probability of accurate measurement in a short time of the electrocardiographic monitoring is low, so that the patient can be monitored in real time for a long time usually. When the electrocardio monitoring is carried out for a long time, the patient often can also carry out other examination items such as the same time, the lead wire can be rubbed due to walking, and the noise generated by the friction of the lead wire can interfere the accuracy of the electrocardio monitoring.

Moreover, in the prior art, the cable structure of the lead wire usually adopts metal as the conductor and the shielding layer, so that when the patient is carrying out the electrocardiographic monitoring, the lead wire is not convenient to carry for the X-ray examination, otherwise, the lead wire will be imaged in the X-ray image, and the normal X-ray examination is disturbed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a remedy above-mentioned prior art's weak point, provide an adopt low noise electrocardio monitoring cable of carbon fiber, its technical scheme as follows.

Adopt the low noise electrocardio monitoring cable of carbon fiber, including the sinle silk of coaxial setting, fastening layer, the insulating layer, fall the layer of making an uproar, shielding layer, overcoat layer, the sinle silk comprises electrically conductive carbon fiber bundle, the fastening layer cladding is in the surface of sinle silk in order to tighten carbon fiber bundle, the insulating layer cladding is in the surface of fastening layer, fall the layer system of making an uproar extrusion moulding in the semi-conductive polyethylene cladding of insulating layer surface, shielding layer system cladding is in the electrically conductive carbon fiber of the outer surface of making an uproar that falls, overcoat layer cladding is outside the shielding layer.

In the technical scheme, the low-noise electrocardio monitoring cable adopting the carbon fiber forms a wire core and a shielding layer by the conductive carbon fiber. The carbon fiber has good X-ray penetrability, so that X-ray images are not interfered when the electric lead is used in X-ray examination, and the medical work is more convenient; and the carbon fiber has the characteristics of small mass, high rigidity and the like, so that a user can feel easier and more comfortable when using the electric lead. Since the carbon fiber also has a characteristic of shielding electromagnetic waves, the low noise performance of the shielding layer satisfies 50uV and also does not interfere with X-ray images. And the carbon fiber has the characteristics of small mass, high rigidity and the like, so that a user can feel easier and more comfortable when using the electric lead.

In the technical scheme, the semi-conductive polyethylene cladding is used as the noise reduction layer, so that the accuracy that noise generated by friction of the cable interferes with electrocardio monitoring can be effectively avoided.

Compared with the prior art, the beneficial effects of the utility model reside in that: the carbon fiber is adopted to replace metal to serve as the wire core and the shielding layer of the electrocardio monitoring cable, so that the electrocardio monitoring cable is small in mass, high in rigidity and low in friction noise, and does not interfere with X-ray images when used in X-ray examination.

The invention is further described with reference to the drawings and the detailed description.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, the low-noise electrocardiograph monitoring cable using carbon fiber comprises a core 1 coaxially arranged, a fastening layer 2, an insulating layer 3, a noise reduction layer 4, a shielding layer 5 and an outer sleeve layer 6, wherein the core 1 is composed of conductive carbon fiber bundles, the fastening layer 2 is coated on the outer surface of the core 1 to tighten the carbon fiber bundles, the insulating layer 3 is coated on the outer surface of the fastening layer 2, the noise reduction layer 4 is a semi-conductive polyethylene coating layer extruded on the outer surface of the insulating layer 3, the shielding layer 5 is a conductive carbon fiber coated on the outer surface of the noise reduction layer 4, and the outer sleeve layer 6 is coated outside the shielding layer 5.

In the above embodiment, the low-noise electrocardiographic monitoring cable using carbon fibers has the core 1 and the shielding layer 5 formed of conductive carbon fibers. The carbon fiber has good X-ray penetrability, so that X-ray images are not interfered when the electric lead is used in X-ray examination, and the medical work is more convenient; and the carbon fiber has the characteristics of small mass, high rigidity and the like, so that a user can feel easier and more comfortable when using the electric lead. Since the carbon fiber also has a characteristic of shielding electromagnetic waves, the low noise performance of the shielding layer 5 satisfies 50uV and also does not interfere with X-ray images. And the carbon fiber has the characteristics of small mass, high rigidity and the like, so that a user can feel easier and more comfortable when using the electric lead.

In the above embodiment, the semi-conductive polyethylene cladding is adopted as the noise reduction layer 4, so that the interference of noise generated by the friction of the cable on the accuracy of the electrocardiographic monitoring can be effectively avoided.

In a preferred embodiment, the conductive carbon fibers in the core 1 are stranded into strands to provide a resistance of less than 160 Ω/m and a strength of greater than 3300Mpa, while contributing to an increase in the tensile strength of the core 1.

In a preferred embodiment, the fastening layer 2 is a woven mesh tube made of aramid fiber/bulletproof fiber, so as to further increase the tensile strength and help prevent friction noise during transmission.

In a preferred embodiment, the insulating layer 3 is an insulating polyethylene clad layer extruded on the outer surface of the fastening layer 2. Taking high-density insulating polyethylene as an example of the insulating layer 3, the insulating layer 3 is extruded and molded on the outer surface of the fastening layer 2 by an extruder at the temperature of 185-220 ℃, and the obtained insulating layer 3 is high-voltage resistant AC 1500V.

In a preferred embodiment, the surface resistance of the noise reduction layer 4 is less than 20 Ω/m.

In a preferred embodiment, the conductive carbon fibers in the shielding layer 5 are wrapped around the noise reduction layer 4 in a winding manner.

In a preferred embodiment, the outer jacket layer 6 is a medical grade thermoplastic polyurethane elastomer rubber cladding extruded outside the shielding layer 5, and has the advantages of friction resistance, smooth matte hand feeling, disinfection and sterilization resistance, and light use.

In the former preferred embodiment, since the jacket layer 6 has a high temperature environment during extrusion molding, a thermal insulation layer 7 may be further disposed between the jacket layer 6 and the shielding layer 5, the thermal insulation layer 7 covers the outer surface of the shielding layer 5, and the jacket layer 6 is molded on the outer surface of the thermal insulation layer 7, so as to prevent the jacket layer 6 from damaging the internal structure due to high temperature extrusion.

Preferably, the heat insulation layer 7 is a teflon tape wrapped around the shielding layer 5 in a winding manner, and the heat resistance temperature is up to 250 ℃.

Various other modifications and alterations of the disclosed structure and principles may occur to those skilled in the art, and all such modifications and alterations are intended to be included within the scope of the present invention.

Claims

1. Adopt low noise electrocardio monitoring cable of carbon fiber, its characterized in that: including the sinle silk of coaxial setting, fastening layer, insulating layer, the layer of making an uproar, shielding layer, overcoat layer, the sinle silk comprises conductive carbon fiber bundle, the fastening layer cladding is in the surface of sinle silk in order to tighten the carbon fiber bundle, the insulating layer cladding is in the surface of fastening layer, the system of making an uproar extrusion moulding falls the system of making an uproar in the semi-conductive polyethylene cladding of insulating layer surface, the shielding layer is cladding in the conductive carbon fiber of the outer surface of making an uproar that makes an uproar, overcoat layer cladding outside the shielding layer.

2. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 1, wherein: the conductive carbon fiber bundles in the wire core are stranded into strands, so that the resistance of the strands is less than 160 omega/m, and the strength of the strands is more than 3300 MPa.

3. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 1, wherein: the fastening layer adopts aramid fiber silk/bulletproof silk woven mesh pipe.

4. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 1, wherein: the insulating layer is an insulating polyethylene cladding extruded on the outer surface of the fastening layer.

5. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 1, wherein: the surface resistance of the noise reduction layer is less than 20 omega/m.

6. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 1, wherein: the conductive carbon fiber in the shielding layer is wrapped on the noise reduction layer in a winding mode.

7. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 1, wherein: the outer jacket layer is a medical grade thermoplastic polyurethane elastomer rubber cladding layer extruded outside the shielding layer.

8. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 7, wherein: be equipped with the insulating layer between overcoat layer and the shielding layer, the insulating layer cladding is in the surface of shielding layer, and overcoat layer shaping is in the insulating layer surface.

9. The low-noise electrocardiograph monitoring cable using carbon fibers according to claim 8, wherein: the heat insulation layer is a polytetrafluoroethylene raw material tape wrapped with the shielding layer in a winding mode.