CN208460451U - A kind of cable and fetal monitoring probe cable line - Google Patents

Abstract

The utility model relates to technical field of medical equipment, more particularly to a kind of cable and fetal monitoring probe cable line comprising: sheath, signal conductor and power lead, signal conductor and power lead are arranged in sheath, signal conductor is used for transmission signal, and power lead is used for power transmission；It is equipped with core body in signal conductor and power lead, core body is made of flexible core and core conducting wire, and core conducting wire winds setting along the outside of flexible core；Flexible core is the structure twisted together by two strands or more of subbundle line, and core conducting wire is the structure twisted together by two strands or more of sub-conductor；The cable of the utility model is equipped with flexible core in its signal conductor and power lead, and upper core conducting wire is wound centered on flexible core, flexible core is set to bear the tension-torsion power outside the overwhelming majority, and the power that core conducting wire is born is smaller, the risk that core conducting wire is damaged by stress is reduced, the reliability of cable is increased.

Description

A kind of cable and fetal monitoring probe cable line

Technical field

The utility model relates to technical field of medical equipment, and in particular to a kind of cable and a kind of fetal monitoring probe cable Line.

Background technique

The principle of fetal monitoring probe spectrum measurement fetal heart frequency is exactly that fetal monitoring probe is utilized to extract tire from fetus signal aroused in interest Youngster's heart rate.Wherein, which refers to easypro contracting, the valvular opening and closing, cardiovascular fortune that heart wall occurs in heartbeat It is dynamic to be formed by mechanical movement signal, it can be popped one's head in and be picked up by fetal monitoring.Specific pick-up method are as follows: will emit equipped with fetal rhythm The fetal monitoring of device and fetal rhythm receiver probe is placed in female abdomen body surface, is directed at heart of fetus, the frequency of fetal rhythm echo received in this way will Speed by the modulation of athletic heart, the i.e. easypro contracting movement of the angular frequency and heart or vascular wall of fetal monitoring frequency displacement is directly proportional, passes through Demodulation can obtain fetus signal aroused in interest, will can hear fetal heart sound by loudspeaker releasing after fetus signal amplification aroused in interest, Fetus signal aroused in interest can be calculated simultaneously, show Fetal Heart Rate, the operation of doctor more convenient in this way.Due to fetal monitoring detection method It is a kind of non-destructive measuring method, and its sensitivity is higher, therefore it is had become fetal monitoring by clinical very big welcome at present Clinical main method.

In the prior art, the extracted fetus signal aroused in interest of fetal monitoring probe needs to be transmitted to monitoring by probe cable In instrument, so that Fetal Heart Rate be calculated.And existing fetal monitoring probe cable line is only by its internal signal conductor and power supply Conducting wire be mutually twisted, and it is weaker that the tension of signal conductor and power lead itself turns round ability；When fetal monitoring probe cable line occurs When bending, the case where reversing or pullling, core conducting wire in internal signal conducting wire and power lead will be directly outside receiving Tension-torsion power, the power born is larger, and core conducting wire is easy to damage because of external force, therefore its buckling performance, twisting property and pulls Performance is poor, causes the reliability of fetal monitoring probe cable line not high.

Utility model content

To overcome drawbacks described above, the purpose of this utility model is to provide a kind of with high buckling performance, twisting property And pull the cable and fetal monitoring probe cable line of performance.

The purpose of this utility model is achieved through the following technical solutions:

The utility model is a kind of cable, comprising:

Sheath, signal conductor and power lead, the signal conductor and the power lead are arranged in the sheath, institute It states signal conductor and is used for transmission signal, the power lead is used for power transmission；

It is equipped with core body in the signal conductor and the power lead, the core body is led by flexible core and core Line is constituted, and the core conducting wire winds setting along the outside of the flexible core；

The flexibility core is the structure twisted together by two strands or more of subbundle line, and the core conducting wire is by two strands Above sub-conductor structure twisted together.

In the present invention, the core body is by a flexible core and two core conducting wire structures described above At each core body is along the external circumferential alternately winding setting of the flexible core.

In the present invention, the cable further include: support bar and filler, the support bar are arranged in the shield In set, the filler is filled between the signal conductor, the power lead and the support bar, so that the signal is led Line, the power lead and the support bar are arranged in delta structure.

In the present invention, the cable further include: intensity packing, the intensity packing setting are filled out described It fills in object.

In the present invention, the intensity packing, the signal conductor, the power lead and the support bar edge Same direction extends.

In the present invention, the support bar is made of line simulator insulating layer and line simulator filler, the line simulator insulating layer It is covered in the outside of the line simulator filler, and the cross-sectional area phase of the cross-sectional area of the support bar and the power lead Deng.

In the present invention, the signal conductor is by the core body, signal line insulating layer, signal wire shielded layer and letter It is configured outside number line, the signal line insulating layer is covered in the external side of the core, and the signal wire shielded layer is covered in described The outside of signal line insulating layer, the signal wire are capped on the outside of the signal wire shielded layer outside.

In the present invention, power supply line insulating layer is covered on the external side of the core of the power lead.

In the present invention, the sheath includes the smooth insulating tape being cascading from inside to outside, cable screen Layer and the outer quilt of cable.

It is a kind of fetal monitoring probe cable line in the utility model, comprising:

Sheath, signal conductor and power lead, the signal conductor and the power lead are arranged in the sheath, institute It states signal conductor and is used for transmission fetal monitoring signal, the power lead is used for power transmission；

It is equipped with core body in the signal conductor and the power lead, the core body is led by flexible core and core Line is constituted, and the core conducting wire winds setting along the outside of the flexible core；

The flexibility core is the structure being mutually entwined in the same direction by two strands or more of subbundle line, the line Core conducting wire is the structure being mutually entwined in the same direction by two strands or more of sub-conductor.

The cable of the utility model is equipped with flexible core in its signal conductor and power lead, and with flexible wires Upper core conducting wire is wound centered on core, and flexible core is made to bear the tension-torsion power outside the overwhelming majority, and what core conducting wire was born Power is smaller, reduces the risk that core conducting wire is damaged by stress, increases the reliability of cable.

Detailed description of the invention

The utility model is described in detail by following preferred embodiments and attached drawing for ease of explanation,.

Fig. 1 is the schematic diagram of the section structure of the utility model cable；

Fig. 2 is the schematic diagram of the section structure of the utility model cable middle line core.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality With novel, it is not used to limit the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific It limits.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection.It can be mechanical connection, be also possible to be electrically connected.Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

A kind of cable of the utility model is specifically described below, please refers to Fig. 1 to Fig. 2 comprising:

Sheath, signal conductor 100 and power lead 200, the signal conductor 100 are arranged with the power lead 200 In the sheath, the signal conductor 100 is used for transmission signal, and the power lead 200 is used for power transmission；Wherein, signal It is twisted that mutually winding can be used between conducting wire 100 and power lead 200, or the mode being parallel to each other is configured；

It is equipped with core body in the signal conductor 100 and the power lead 200, the core body is by flexible core 501 and core conducting wire 502 constitute, the core conducting wire 502 winds setting along the outside of the flexible core 501；Wherein, described Core body includes: signal wire core body 101 and power supply line core 201, and the signal wire core body 101 is set to the signal and leads In line 100, the power supply line core 201 is set in the power lead 200；Wherein, the core conducting wire 502 is by metal Conductor or metallic conductor silk, such as copper foil wire or aluminium foil fibre conductive material are constituted, and the flexibility core 501 is by cotton, macromolecule material Material, such as Kafra fiber flexible material are constituted.

The flexibility core 501 is the structure twisted together by two strands or more of subbundle line, and the core conducting wire 502 is By two strands or more of sub-conductor structure twisted together.

Since the core conducting wire 502 in signal conductor 100 and power lead 200 is respectively with the flexible wires in its core body Wound centered on core 501 on the outside, thus when cable pull and bending process in, stress point is concentrated mainly on core body On the flexible core 501 at center, therefore core conducting wire 502 is not easy because of the bending of cable, reverses and damages due to pullling, effectively Ground improves the buckling performance of signal conductor 100 and power lead 200 itself, twisting property and pulls performance.

And in the production process of cable, a few share fiber lines or sub-conductor are first twisted into a flexible core 501 Or single line core conducting wire 502, due to subbundle line or sub-conductor number of share of stock negligible amounts, therefore wire twisting equipment diastole during twisted wire Dynamics is smaller and uniform force.After forming flexible core 501 and core conducting wire 502, then centered on a flexible core 501, More core conducting wires 502 are wound on the outside, form core body；It is the core body smooth in appearance, full；Solves traditional twisted wire Because of wire twisting equipment diastole great efforts in method, and discontinuity causes wire jumper, uneven defect.

In the present embodiment, the core body is by a flexible core 501 and two core conducting wires 502 described above It constitutes, each core body is along the external circumferential alternately winding setting of the flexible core 501.

In the present embodiment, the cable further include: support bar 300 and filler, the support bar 300 are arranged in institute It states in sheath, the filler is filled between the signal conductor 100, the power lead 200 and the support bar 300, So that the signal conductor 100, the power lead 200 and the support bar 300 are arranged in delta structure.

Since in practical applications, the cross-sectional area of signal conductor 100 is generally higher than the cross-sectional area of power lead 200, If being directly twisted signal conductor 100 and 200 phase of power lead, obtained cable will be distorted more；Therefore in this implementation In example, support bar 300 and signal conductor 100 and power lead 200 are twisted together, and the cross section of support bar 300 Product is equal with the cross-sectional area of power lead 200, and arranges each other in delta structure, so that signal conductor 100, power supply Structure between conducting wire 200 and support bar 300 is relatively stable, and the fetal monitoring probe cable line outer surface being twisted also will more It is smooth, smooth, while being also convenient for the machine-shaping of fetal monitoring probe cable line.

In the present embodiment, the cable further include: intensity packing 404, the intensity packing 404 are arranged in institute It states in filler 405.The quantity of the intensity packing 404 is two, for signal conductor 100, power lead 200 and support Gap between item 300 is filled, so that the surface of its stranded guidewire body is more smooth；The guidewire body and light Flexible packing material 405 is filled between sliding insulating tape 401, the density of the intensity packing 404 is higher than the flexible filling The density of material 405.In the present embodiment, the intensity packing 404 and flexible packing material 405 are by cotton, high molecular material, such as The flexible materials such as Kafra fiber are constituted.Be wound in guidewire body intensity packing 404 and guidewire body and it is smooth absolutely Flexible packing material 405 is filled between marginal zone, is conducive to the bend resistance and the stretching that further increase fetal monitoring probe cable line Performance.

In the present embodiment, the intensity packing 404, the signal conductor 100, the power lead 200 with it is described Support bar 300 extends in the same direction.

In the present embodiment, the support bar 300 is made of line simulator insulating layer 301 and line simulator filler 302, the line simulator Insulating layer 301 is covered in the outside of the line simulator filler 302, and the cross-sectional area of the support bar 300 is led with the power supply The cross-sectional area of line 200 is equal.Support bar 300 described in the present embodiment does not rise conductive or transmitting signal in guidewire body Effect, support bar 300 and signal conductor 100 and power lead 200 are twisted together, can increase fetal monitoring probe cable line Whole bend resistance and tensile property.Wherein, the line simulator insulating layer 301 is made of insulating materials such as plastics, and the line simulator is filled out Object 302 is filled to be made of cotton, high molecular material, such as Kafra fiber flexible material.

In the present embodiment, the signal conductor 100 is by the signal wire core body 101, signal line insulating layer 102, letter Number line shielded layer 103 and signal wire is outer is constituted by 104, the signal line insulating layer 102 is covered in the signal wire core body 101 Outside, the signal wire shielded layer 103 are covered in the outside of the signal line insulating layer 102, and the signal wire is outer by 104 coverings In the outside of the signal wire shielded layer 103.Wherein, signal line insulating layer 102 is made of insulating materials such as plastics；Signal wire screen Layer 103 is covered for shielding extraneous interference source, is made of metallic conductor or metallic conductor silk；Signal wire is outer to be used to protect by 104 The core body in signal conductor 100 is protected, has anticorrosion, ultraviolet ray preventing effect.

In the present embodiment, power supply line insulation is covered on 201 outside of the power supply line core of the power lead 200 Layer 202, which is made of insulating materials such as plastics.

In the present embodiment, the sheath includes the smooth insulating tape 401 being cascading from inside to outside, cable screen Layer 402 and cable are outer by 403.Wherein, which plays lubricating action, cable screen in bending use process Layer 402 is made of for shielding extraneous interference source metallic conductor or metallic conductor silk；Cable is outer to be believed by 403 for protecting Core body in number conducting wire 100, has anticorrosion, ultraviolet ray preventing effect.

The utility model is a kind of fetal monitoring probe cable line, comprising:

Sheath, signal conductor 100 and power lead 200, the signal conductor 100 are arranged with the power lead 200 In the sheath, the signal conductor 100 is used for transmission fetal monitoring signal, and the power lead 200 is used for power transmission；

It is equipped with core body in the signal conductor 100 and the power lead 200, the core body is by flexible core 501 and core conducting wire 502 constitute, the core conducting wire 502 winds setting along the outside of the flexible core 501；

The flexibility core 501 is the structure being mutually entwined in the same direction by two strands or more of subbundle line, institute Stating core conducting wire 502 is the structure being mutually entwined in the same direction by two strands or more of sub-conductor.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of cable characterized by comprising

Sheath, signal conductor and power lead, the signal conductor and the power lead are arranged in the sheath, the letter Number conducting wire is used for transmission signal, and the power lead is used for power transmission；

It is equipped with core body in the signal conductor and the power lead, the core body is by flexible core and core conducting wire structure At the core conducting wire winds setting along the outside of the flexible core；

The flexibility core is the structure twisted together by two strands or more of subbundle line, and the core conducting wire is by two strands or more Sub-conductor structure twisted together.

2. cable according to claim 1, which is characterized in that the core body is by a flexible core and two Core conducting wire described above is constituted, and each core body is along the external circumferential alternately winding setting of the flexible core.

3. cable according to claim 1, which is characterized in that the cable further include: support bar and filler, institute It states support bar to be arranged in the sheath, the filler is filled in the signal conductor, the power lead and the support Between item, so that the signal conductor, the power lead and the support bar are arranged in delta structure.

4. cable according to claim 3, which is characterized in that the cable further include: intensity packing is described strong Packing is spent to be arranged in the filler.

5. cable according to claim 4, which is characterized in that the intensity packing, the signal conductor, the electricity Source conducting wire extends in the same direction with the support bar.

6. cable according to claim 3, which is characterized in that the support bar is by line simulator insulating layer and line simulator filler It constitutes, the line simulator insulating layer is covered in the outside of the line simulator filler, and the cross-sectional area of the support bar and the electricity The cross-sectional area of source conducting wire is equal.

7. cable according to claim 1, which is characterized in that the signal conductor is exhausted by the core body, signal wire It is configured outside edge layer, signal wire shielded layer and signal wire, the signal line insulating layer is covered in the external side of the core, the letter Number line shielded layer is covered in the outside of the signal line insulating layer, and the signal wire shielded layer is capped on outside the signal wire Outside.

8. cable according to claim 1, which is characterized in that covered on the external side of the core of the power lead There is power supply line insulating layer.

9. cable according to claim 1, which is characterized in that the sheath includes being cascading from inside to outside The outer quilt of smooth insulating tape, cable screen layer and cable.

10. a kind of fetal monitoring probe cable line characterized by comprising

Sheath, signal conductor and power lead, the signal conductor and the power lead are arranged in the sheath, the letter Number conducting wire is used for transmission fetal monitoring signal, and the power lead is used for power transmission；

It is equipped with core body in the signal conductor and the power lead, the core body is by flexible core and core conducting wire structure At the core conducting wire winds setting along the outside of the flexible core；

The flexibility core is the structure being mutually entwined in the same direction by two strands or more of subbundle line, and the core is led Line is the structure being mutually entwined in the same direction by two strands or more of sub-conductor.