CN221766421U - A medical non-magnetic ECG lead wire - Google Patents

Abstract

In the embodiment of the application, compared with the prior art that the effect of shielding internal and external interference is poor, the signal transmission is unstable, and the whole cable is not flexible and elastic, the application provides a medical nonmagnetic electrocardio lead wire which comprises four nonmagnetic leads; the nonmagnetic wire comprises a sheath, a shielding layer, an insulating layer and a central wire; the sheath is coated on the periphery of the shielding layer, the shielding layer is coated on the periphery of the insulating layer, and the insulating layer is coated on the periphery of the central wire; the four nonmagnetic wires are arranged side by side; or; four non-magnetic wires are in a quadrilateral shape. The central conducting material is made of semi-conducting material with thermoplastic elastomer as base and carbon black as conducting carrier, and has stable and reliable conducting performance.

Description

A medical non-magnetic ECG lead wire

Technical Field

The utility model relates to the field of cables, in particular to a medical non-magnetic electrocardiogram lead wire.

Background Art

As the domestic medical insurance system has been gradually improved and the health care system has been rapidly developed, it will be conducive to increasing the demand for health care. The ever-increasing market demand has prompted the improvement and upgrading of domestic medical and health conditions.

A medical non-magnetic ECG lead wire belongs to a medical ECG machine consumable. The lead wire is connected to an ECG host through a connector at one end, and is connected to an electrode sheet at the other end through a connector. The lead wire can reliably and continuously collect human bioelectric signals through the electrode sheet and directly display the patient's ECG parameters through an oscilloscope for reference by medical staff.

However, the existing non-magnetic ECG lead wires have poor shielding effects on internal and external interference, unstable signal transmission, and the entire cable is not flexible or elastic.

Utility Model Content

In view of the above problems, embodiments of the present utility model are proposed to provide a medical non-magnetic ECG lead wire that overcomes the above problems or at least partially solves the above problems.

The utility model embodiment discloses a medical non-magnetic electrocardiogram lead wire, comprising four non-magnetic wires;

The non-magnetic conductor comprises a sheath, a shielding layer, an insulating layer and a central conductor; the sheath is wrapped around the shielding layer, the shielding layer is wrapped around the insulating layer, and the insulating layer is wrapped around the central conductor;

The four non-magnetic wires are arranged side by side; or the four non-magnetic wires are in a quadrilateral shape.

Preferably, the sheath is made of medical grade thermoplastic elastomer.

Preferably, the insulating layer is made of extrusion grade polyethylene.

Preferably, the shielding layer is made of extrusion-grade thermoplastic elastomer and carbon black material.

Preferably, the central conductor is made of extrusion grade thermoplastic elastomer and carbon black material.

Preferably, the thickness of the shielding layer is in the range of 0.05-0.15 mm.

Preferably, the diameter of the central conductor ranges from 0.5 to 1.5 mm.

The present application specifically includes the following advantages:

In the embodiments of the present application, compared with the prior art of "poor shielding effect of internal and external interference, unstable signal transmission, and overall lack of flexibility and elasticity of the cable", the present application provides four non-magnetic wires; the non-magnetic wires include a sheath, a shielding layer, an insulating layer and a center wire; the sheath is coated on the periphery of the shielding layer, the shielding layer is coated on the periphery of the insulating layer, and the insulating layer is coated on the periphery of the center wire; the four non-magnetic wires are arranged side by side; or; the four non-magnetic wires are in a quadrilateral shape. The center conductor material of the present application is made of a semi-conductive material based on thermoplastic elastomer and carbon black as a conductive carrier, and is made into a cylindrical wire structure by extrusion, and the conductive performance is stable and reliable. The shielding layer is based on thermoplastic elastomer and carbon black as a conductive carrier, and is extruded and coated on the outer periphery of the insulation, 100% coated, forming a 100% shielding structure, so that the lead wire can effectively shield internal and external interference and ensure the stability of signal transmission. The central conductor material and shielding layer of the present application are both semi-conductive materials based on extrusion-grade thermoplastics and carbon black as the conductive carrier, which can ensure the overall softness and elasticity of the cable, the overall anti-entanglement of the lead wire, the good hand feel and other excellent characteristics, and improve the service life and reliability of the lead wire. The structure of the lead wire of the present application is that two signal wires are connected together in parallel through a joint body, and two parallel lead wires are connected together in an upper and lower stacking manner through a joint body, which can ensure the regularity of the cable and provide easy storage of the cable.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the description of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

FIG1 is a schematic diagram of the structure of a medical non-magnetic ECG lead wire of the present invention;

FIG2 is a schematic diagram of the structure of a medical non-magnetic ECG lead wire of the present invention;

FIG3 is a physical diagram of a medical non-magnetic ECG lead wire of the present invention;

FIG4 is a physical diagram of a medical non-magnetic ECG lead wire of the present invention;

1. Center conductor; 2. Insulation; 3. Shielding; 4. Sheath.

DETAILED DESCRIPTION

In order to make the objects, features and advantages of the present application more obvious and understandable, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

In the embodiments of the present application, compared with the prior art of "poor shielding effect of internal and external interference, unstable signal transmission, and overall lack of flexibility and elasticity of the cable", the present application provides four non-magnetic wires; the non-magnetic wires include a sheath, a shielding layer, an insulating layer and a center wire; the sheath is coated on the periphery of the shielding layer, the shielding layer is coated on the periphery of the insulating layer, and the insulating layer is coated on the periphery of the center wire; the four non-magnetic wires are arranged side by side; or; the four non-magnetic wires are in a quadrilateral shape. The center conductor material of the present application is made of a semi-conductive material based on thermoplastic elastomer and carbon black as a conductive carrier, and is made into a cylindrical wire structure by extrusion, and the conductive performance is stable and reliable. The shielding layer is based on thermoplastic elastomer and carbon black as a conductive carrier, and is extruded and coated on the outer periphery of the insulation, 100% coated, forming a 100% shielding structure, so that the lead wire can effectively shield internal and external interference and ensure the stability of signal transmission. The central conductor material and shielding layer of the present application are both semi-conductive materials based on extrusion-grade thermoplastics and carbon black as the conductive carrier, which can ensure the overall softness and elasticity of the cable, the overall anti-entanglement of the lead wire, the good hand feel and other excellent characteristics, and improve the service life and reliability of the lead wire. The structure of the lead wire of the present application is that two signal wires are connected together in parallel through a body, and two parallel lead wires are connected together in an upper and lower stacking manner through a body, which can ensure the regularity of the cable and provide easy storage of the cable.

1-4, a schematic diagram of the structure of a medical non-magnetic ECG lead wire of the present invention is shown, which may specifically include the following structure: comprising four non-magnetic wires; the non-magnetic wires comprising a sheath, a shielding layer, an insulating layer and a center wire; the sheath is coated on the periphery of the shielding layer, the shielding layer is coated on the periphery of the insulating layer, and the insulating layer is coated on the periphery of the center wire; the four non-magnetic wires are arranged side by side; or; the four non-magnetic wires are in a quadrilateral shape.

Next, a medical non-magnetic ECG lead wire in this exemplary embodiment will be further described.

In one embodiment of the present application, the four non-magnetic wires are arranged side by side, arranged side by side from left to right and arranged on the same horizontal line; or; the four non-magnetic wires are in a quadrilateral shape, and two parallel structures are connected together by a body, and then two parallel wires are connected together by a body in an up-down stacking manner, forming a lead wire with a stable structure and can be torn apart. In use, one end of the lead wire is connected to the ECG main cable through a connector, and the other end is connected to the electrode sheet.

As an example, the sheath is made of medical-grade thermoplastic elastomer and meets biocompatibility requirements; the insulation layer is made of extrusion-grade polyethylene.

In one embodiment of the present application, the shielding layer is made of extrusion-grade thermoplastic elastomer and carbon black material; the center conductor is made of extrusion-grade thermoplastic elastomer and carbon black material. The shielding layer and the center conductor are both made of semi-conductive material based on extrusion-grade thermoplastic elastomer and carbon black as a conductive carrier, extruded and coated on the outer periphery of the insulation, 100% coated, forming a 100% shielding layer, so that the lead wire can effectively shield internal and external interference and ensure the stability of signal transmission.

In one embodiment of the present application, the thickness of the shielding layer ranges from 0.05 to 0.15 mm; preferably, the thickness of the shielding layer is 0.05 mm; preferably, the thickness of the shielding layer is 0.1 mm; preferably, the thickness of the shielding layer is 0.15 mm.

In one embodiment of the present application, the diameter of the central conductor ranges from 0.5 to 1.5 mm; preferably, the diameter of the central conductor is 0.5 mm; preferably, the diameter of the central conductor is 1 mm; preferably, the diameter of the central conductor is 1.5 mm.

Although the preferred embodiments of the utility model embodiments have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the utility model embodiments.

Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

The above is a detailed introduction to a medical non-magnetic ECG lead wire provided by the utility model. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of the utility model. At the same time, for general technicians in this field, according to the idea of the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims (7)

1. A medical nonmagnetic electrocardio lead wire which is characterized by comprising four nonmagnetic leads;

The nonmagnetic wire comprises a sheath, a shielding layer, an insulating layer and a central wire; the sheath is coated on the periphery of the shielding layer, the shielding layer is coated on the periphery of the insulating layer, and the insulating layer is coated on the periphery of the central wire;

the four nonmagnetic wires are arranged side by side; or; four non-magnetic wires are in a quadrilateral shape.

2. The medical non-magnetic cardiac electrical lead according to claim 1, wherein the sheath is made of a medical grade thermoplastic elastomer.

3. The medical non-magnetic cardiac electrical lead according to claim 1, wherein the insulating layer is made of extrusion grade polyethylene.

4. The medical non-magnetic cardiac electrical lead according to claim 1, wherein the shielding layer is made of an extrusion grade thermoplastic elastomer and carbon black material.

5. The medical non-magnetic cardiac electrical lead according to claim 1, wherein the central lead is made of an extrusion grade thermoplastic elastomer and carbon black material.

6. The medical non-magnetic cardiac electrical lead according to claim 1, wherein the shielding layer has a thickness in the range of 0.05-0.15 millimeters.

7. The medical non-magnetic cardiac electrical lead according to claim 1, wherein the central lead diameter is in the range of 0.5-1.5 millimeters.