CN215730941U - Simple structure blood oxygen lead wire - Google Patents

Abstract

The utility model discloses a blood oxygen lead wire with a simple structure, which comprises a sheath, an outer shielding layer, a bag belt, an inner shielding layer, a signal wire group, a power wire group and a tensile filling wire, wherein the sheath is coated on the periphery of the outer shielding layer, the outer shielding layer is coated on the periphery of the bag belt, and the bag belt is coated on the periphery of the signal wire group, the power wire group, a ground wire and a filler.

Description

Simple structure blood oxygen lead wire

Technical Field

The utility model relates to the technical field of blood oxygen lead wires, in particular to a blood oxygen lead wire with a simple structure.

Background

The improvement of medical equipment is a basic condition of the medical science and technology level, and is also an important mark of the modernization degree, and the medical equipment becomes an important field of modern medical treatment.

The blood oxygen guide line is totally called as blood oxygen saturation probe guide line, and means that a finger sleeve of the guide line probe is fixed at the finger end of a patient, the finger is used as a transparent container for containing hemoglobin, red light with the wavelength of 660nm and near infrared light with the wavelength of 940nm are used as incident light sources, and the light conduction intensity passing through a tissue bed is measured to calculate the concentration of the hemoglobin and the blood oxygen saturation. One end of the blood Oxygen saturation monitoring device is connected with SpO2(Oxygen saturation) for monitoring to obtain SpO2, pulse rate and pulse wave; the other end of the blood oxygen monitor is connected with an ECG monitor, and the blood oxygen monitor is applied to the blood oxygen monitoring of various patients.

Most of the blood oxygen lead wires with the traditional structure are used in fixed occasions, such as a hospital guardhouse, an operating room and the like, the blood oxygen lead wires are twisted in pairs to form a semi-conductive shield for signal wires and then are twisted with a power line, and the outer surface of the blood oxygen lead wires is shielded with metal, so that the blood oxygen lead wires belong to an asymmetric cable structure, are short in service life, and have many problems of faults, poor appearance and the like. Otherwise, the blood oxygen lead wire with simple structure has less manufacturing procedures, low manufacturing cost, symmetrical and stable structure, strong mechanical property, beautiful and round appearance and long service life.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide a blood oxygen lead wire with a simple structure that overcomes or at least partially solves the above-mentioned problems.

In order to solve the problems, the utility model discloses a simple blood oxygen lead wire which comprises a sheath, an outer shielding layer, a wrapping tape, an inner wire group and a tensile filling wire which are sequentially arranged from outside to inside;

the internal lead group comprises a tensile filling line, a power supply line group and a data signal line group.

Preferably, the tensile filler wire is located at a central position of the inner wire group.

Preferably, the data signal line group includes two signal lines provided with a semiconductor shielding layer, a first insulating layer, and a first wire.

Preferably, the power supply line group includes two power supply lines provided with a second insulating layer and a second conductive line.

Preferably, the tensile filling line is high-strength tensile aramid fiber yarn.

Preferably, the semiconductive shielding layer is mainly made of a polymer semiconductive material mixed by conductor carbon black and polyvinyl chloride material.

Preferably, the sheath is made of thermoplastic polyurethane elastomer material.

Preferably, the Shore hardness of the sheath is Shore 75A.

Preferably, the internal conductor group is formed by twisting the data signal line group and the power supply line group around the tensile filler wire;

the outer shielding layer is a metal wire braid layer and wraps the periphery of the wrapping tape; the wrapping tape is wrapped on the periphery of the internal lead group.

Preferably, the inner conductor set is further provided with a ground wire;

the ground line includes a third insulating layer and a third conductor layer.

The utility model has the following advantages:

1. according to the utility model, the two wires of the data signal wire are coated with a layer of semi-conductive material, so that electromagnetic interference inside and outside the cable can be effectively isolated, and the semi-conductive material can be directly extruded, so that the production efficiency is high and the cost is low.

2. The data signal wire group and the power supply wire group are arranged and stranded into the cable according to the symmetrical cable structure, and meanwhile, the tensile aramid fiber is filled in the center of the wire core to ensure the tensile property of the wire in use, so that the service life of the cable is prolonged, and the cable with the symmetrical structure can ensure the round and beautiful appearance of a finished product.

Drawings

FIG. 1 is a schematic view of a blood oxygen lead wire with a simple structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of a blood oxygen lead wire with a simple structure according to another embodiment of the present invention;

fig. 3 is a schematic structural diagram of a blood oxygen lead wire with a simple structure according to another embodiment of the present invention.

1. A data signal line group; 2. a power supply line group; 3. a tensile filler wire; 4. an outer shield layer; 5. a sheath; 6. a ground wire; 7. wrapping belts; 11. a semiconductor shielding layer; 12. a first conductive line; 13. a first insulating layer; 21. a second conductive line; 22. a second insulating layer; 61. a third conductive line; 62. and a third insulating layer.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.

One of the core ideas of the utility model is to provide a simple-structure blood oxygen lead wire, which comprises a sheath 5, a data signal wire group 1, a power supply wire group 2, a tensile filling wire 3 and an outer shielding layer 4, wherein the sheath 5 is coated on the periphery of the outer shielding layer 4, the outer shielding layer 4 is coated on the periphery of a wrapping tape 7, and the wrapping tape 7 is coated on the periphery of the data signal wire group 1, the power supply wire group 2 and the tensile filling wire 3, so that the signal transmission, the cable transmission and the functional use are considered, the structural firmness of the wire is ensured, and the wire has aesthetic property.

Referring to fig. 1, a schematic structural diagram of a simple blood oxygen lead wire according to an embodiment of the present invention is shown, which may specifically include:

the protective sleeve 5, the outer shielding layer 4, the wrapping tape 7 and the inner lead group containing the tensile filling wire 3 are sequentially arranged from outside to inside; the internal conductor set further includes a power supply line group 2 and a data signal line group 1.

Preferably, the tensile filler wire 3 is located at a central position of the inner wire group.

Preferably, the tensile filling thread 3 is a high-strength tensile aramid yarn.

In this embodiment, the data signal line group 1 includes two signal lines provided with a semiconductor shielding layer 11, a first insulating layer 13, and a first wire 12.

Preferably, the power supply cord set 2 includes two power supply cords provided with the second insulating layer 22 and the second conductive line 21.

In this embodiment, the semiconductor shielding layer 11 is mainly made of a polymer semiconducting material in which conductive carbon black and polyvinyl chloride are mixed.

Preferably, the sheath 5 is made of thermoplastic polyurethane elastomer material.

Preferably, the Shore hardness of the sheath 5 is Shore 75A.

Preferably, the internal conductor group is formed by twisting the data signal line group 1 and the power supply line group 2 around the tensile filler wire 3;

the outer shielding layer 4 is a multi-strand metal wire braid layer and is coated on the periphery of the wrapping tape 7; the wrapping tape 7 is wrapped on the periphery of the internal lead group.

Referring to fig. 2, a schematic structural diagram of a simple blood oxygen lead wire according to another embodiment of the present invention is shown, which includes: the sheath 5, the outer shielding layer 4, the inner conductor group and the tensile filling wire 3 are arranged in sequence from outside to inside; the internal conductor group includes a tensile filler wire 3, a power supply wire group 2, and a data signal wire group 1.

The inner conductor group is also provided with a ground wire 6; the ground line 6 includes a third insulating layer and a third conductor layer.

Referring to fig. 1-2, another embodiment of a simple blood oxygen lead wire according to the present invention includes a sheath 5, a data signal transmission line set 1, a power supply line set 2, a tensile filler line 3, and an outer shielding layer 4, wherein the sheath 5 covers the outer shielding layer 4, the outer shielding layer 4 covers the tape 7, and the tape 7 covers the data signal transmission line set 1, the power supply line set 2, and the tensile filler line 3. The sheath 5 is used for protecting the data signal transmission line group 1, the power supply line group 2, the tensile filling line 3 and the outer shielding layer 4. The signal transmission wire group 1 and the power supply wire group 2 are arranged on the periphery of the tensile filling wire 3 in a twisted mode, so that the tensile filling wire 3 is located at the center position formed by twisting the signal transmission wire group 1 and the power supply wire group 2, and the roundness of the twisted cable and the attractiveness of a finished product are guaranteed. The data signal transmission line group 1 is used for collecting human body bioelectricity signals, and the power supply line group 2 is used for supplying electric energy to equipment.

In another embodiment, a tensile filler wire 3 is further included, which is disposed in the central space of the signal transmission wire group 1 and the power supply wire group 2. The tensile filling wire 3 is para-aramid fiber invented by dupont, usa, and is a high-performance fiber filament (KEVLAR) which has high tensile strength and high temperature resistance and can increase the overall tensile strength of the simple blood oxygen lead wire.

In the present embodiment, the signal transmission line group 1 includes two first conductive lines 12; the peripheries of the two first leads 12 are coated with semiconductor shielding layers 11, and the semiconductor shielding layers 11 are made of a high-molecular semi-conductive material mixed by conductor carbon black and polyvinyl chloride materials;

in the present embodiment, the power supply source line group 2 is provided as two second conductive lines 21;

in the present embodiment, the outer shielding layer 4 is formed by winding a plurality of metal wires around the transmission line group 1 formed by the signal transmission line 1, the power supply line group 2 and the tensile filling line 3, so as to enhance the capability of the signal transmission line group 1 to resist external EMI (Electromagnetic Interference).

In the embodiment, the sheath 5 is made of thermoplastic polyurethane elastomer material, and the hardness is 75A on Shore (a standard of material hardness), so that the blood oxygen lead wire with a simple structure has good flexibility, anti-winding performance and chemical reagent sterilization resistance, can be bent at will, and is comfortable to use and easy to clean.

The inner conductor group is also provided with a ground wire 6; the ground line 6 includes a third insulating layer 62 and a third conductive line 61, wherein the ground line 6 may be provided in two or four.

Referring to fig. 3, in another embodiment, the sheath 5, the outer shielding layer 4, the wrapping tape 7 and the inner conductor set including the tensile filling wire 3 are sequentially arranged from outside to inside; the internal conductor set further includes a power supply line group 2 and a data signal line group 1.

Preferably, the tensile filler wire 3 is located at a central position of the inner wire group.

Preferably, the tensile filling thread 3 is a high-strength tensile aramid yarn.

Preferably, the data signal line group 1 includes two signal lines provided with the semiconductor shielding layer 11, the first insulating layer 13 and the first conductive line 12.

Preferably, the power supply cord set 2 includes two power supply cords provided with the second insulating layer 22 and the second conductive line 21.

Preferably, two power supply lines and two signal lines are arranged inside the wrapping tape 7 in a crossed manner, that is, each power supply line and each signal line arranged outside the tensile filling line 3 are arranged adjacent to each other, so that the anti-interference capability is further improved, and particularly when the anti-interference device is applied to transmission of differential signals, because the same transmission lines are arranged at the adjacent positions of the signal lines, the anti-interference capability of the signals is further improved.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The blood oxygen lead wire with a simple structure provided by the utility model is described in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples in the text, and the description of the examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (9)

1. A simple blood oxygen lead wire is characterized by comprising a sheath, an outer shielding layer, a bag belt and an inner lead group containing a tensile filling wire, which are arranged in sequence from outside to inside;

the internal conductor group further includes a power supply line group and a data signal line group.

2. The simple blood oxygen lead wire of claim 1, wherein the tensile filling wire is located at the center of the inner wire set.

3. The simple blood oxygen lead wire of claim 1, wherein the data signal wire group comprises two signal wires provided with a semiconductor shielding layer, a first insulating layer and a first conducting wire.

4. The simple blood oxygen lead wire of claim 1, wherein the power supply wire set comprises two power supply wires having a second insulation layer and a second conductive wire.

5. The simple blood oxygen leading wire of claim 2, wherein the tensile filling wire is a high-strength tensile aramid filament.

6. The simple blood oxygen lead wire of claim 1, wherein the sheath is made of thermoplastic polyurethane elastomer material.

7. The simple blood oxygen lead wire of claim 6, wherein the sheath has a Shore hardness of Shore 75A.

8. The simple blood oxygen lead wire of claim 1, wherein the inner wire set is formed by twisting the data signal wire set and the power supply wire set around the tensile filling wire;

the outer shielding layer is a metal wire braid layer and wraps the periphery of the wrapping tape; the wrapping tape is wrapped on the periphery of the internal lead group.

9. The simple blood oxygen lead wire of claim 1, wherein the inner wire set is further provided with a ground wire;

the ground line includes a third insulating layer and a third conductor layer.

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