CN206672655U - A kind of flexible blood oxygen line - Google Patents

Abstract

The utility model discloses a kind of flexible blood oxygen line,Including the internal shield set from inside to outside,Intermediate insulating layer,External shielding layer and external sheath layer,Intermediate insulating layer is wrapped in the outer surface of internal shield,External sheath layer is wrapped in the outer surface of external shielding layer,At least two interior signal core lines are provided with internal shield,At least two external signal cored wires and an at least fastener are provided between intermediate insulating layer and external shielding layer,Interior signal core line and external signal cored wire is made up of conductor and the insulating barrier being wrapped in outside conductor,By branched conductor one and at least, a conductor two is mutually twisted conductor,Conductor one is alloy copper wire,Conductor two is made up of tension silk and the wrapped copper foil in tension silk outer surface,Conductor one and conductor two are satisfied by resistance requirement,Size is tiny to meet use demand,Obtained signal core line also has very high mechanical flexibility,Bending is not easy to be broken,It can meet high-frequency requirement.

Description

A kind of flexible blood oxygen line

Technical field

It the utility model is related to medical technical field of cables, and in particular to a kind of flexible blood oxygen line.

Background technology

Medical line is with the Medical Devices or rescue line of purposes for patient's operation, treatment, monitoring.The quality of medical line Problem is directly connected to the medical treatment safe problem and the life security of patient, thus compared to other common application fields electric wire and Speech, the quality requirement of medical electric wire are higher.

Medical oximetry data cable（Abbreviation blood oxygen line）It is that doctor monitors to the Diseases diagnosis and human body vital sign of patient Important auxiliary accessory.By acquisition chip after human life data are collected by the cable transmission to patient monitor, and embody Go out the index of oxygen content in blood.Blood oxygen line is because use demand limits the quality and size of wire rod, it is impossible to and it is overweight and excessively thick, After meeting that data real transmission and light weight are small, traditional blood oxygen line generally existing service life is short, frequent on the market at present After bending the problem of internal core easy fracture, internal core is broken the hidden danger for causing blood oxygen line distortions of transmitted data to be present, influences The use of blood oxygen line.So the reliability of data transfer can be better ensured that by providing a kind of flexible blood oxygen line not easy to break And stability, preferably meet use demand.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of flexible blood oxygen line not easy to break.

Technical solution adopted in the utility model is：

A kind of blood oxygen line, including internal shield, intermediate insulating layer, external shielding layer and the external sheath layer set from inside to outside, The intermediate insulating layer is wrapped in the outer surface of the internal shield, and the external sheath layer is wrapped in the appearance of the external shielding layer Face, at least two interior signal core lines are provided with the internal shield, are set between the intermediate insulating layer and the external shielding layer There are at least two external signal cored wires and an at least fastener, the interior signal core line and the external signal cored wire are by conductor With the insulating barrier composition being wrapped in outside conductor, by branched conductor one and at least, a conductor two is mutually twisted the conductor, The conductor one is alloy copper wire, and the conductor two is made up of tension silk and the wrapped copper foil in tension silk outer surface.

In some preferred embodiments, the tension silk is aromatic polyamide fibre.

In some preferred embodiments, the fastener is aromatic polyamide fibre.

In some preferred embodiments, at least two interior signal core lines are provided with the internal shield, it is described interior Signal core line mutually twists together.

In some preferred embodiments, the interior signal core line, the internal shield and the intermediate insulating layer Aggregate mutually twists together with the external signal cored wire, the fastener.

In some preferred embodiments, the material of the external sheath layer is thermoplastic elastomer (TPE).

In some preferred embodiments, the material of the intermediate insulating layer is polyvinyl chloride.

In some preferred embodiments, the internal shield is uniformly wrapped branched outside the interior signal core line Tinned copper wire.

In some preferred embodiments, the external shielding layer for the uniform wrapped internal structure wrapped up at it outside Branched tinned copper wire.

In some preferred embodiments, the conductor one is tinned copper wire.

The beneficial effects of the utility model are：

Found by test of many times and analysis, why blood oxygen line is easily broken, and principal element is that copper wire conductor is strong Degree is inadequate, need to find that a kind of size is sufficiently small, meet resistance requirement and the enough high conductors of intensity, the utility model provide one The flexible blood oxygen line of kind, the conductor of signal core line therein are formed by 2 two kinds of conductor strands of conductor one and conductor, the conductor First, alloy copper wire, the conductor two is made up of tension silk and the wrapped copper foil in tension silk outer surface, conductor one and conductor two Resistance requirement is satisfied by, size is tiny to meet use demand, and twisted obtained conductor has very high mechanical flexibility, obtains The signal core line arrived also has very high mechanical flexibility, and bending is not easy to be broken, and can meet high-frequency requirement.

Brief description of the drawings

Fig. 1 is the cross-sectional view of flexible blood oxygen line.

Fig. 2 is the cross-sectional view of conductor two.

Fig. 3 is the structural representation of conductor two.

Embodiment

Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection Enclose.In addition, all connection/annexations being related in patent, not singly refer to component and directly connect, and refer to can be according to specific Performance, by adding or reducing couple auxiliary, to form more excellent draw bail.Each skill in the utility model creation Art feature, can be with combination of interactions on the premise of not conflicting conflict.

Embodiment 1：

Reference picture 1, Fig. 1 are the cross-sectional view of flexible blood oxygen line, and the blood oxygen line that the present embodiment provides is included from inside to outside Internal shield 1, intermediate insulating layer 2, external shielding layer 3 and the external sheath layer 4 of setting, the intermediate insulating layer 2 are wrapped in described The outer surface of screen layer 1, the external sheath layer 4 are wrapped in the outer surface of the external shielding layer 3, set in the internal shield 1 There are at least two interior signal core lines 5, in the present embodiment, be provided with two interior signal core lines 5 in the internal shield 1, two The interior signal core line 5 is mutually twisted together, and at least two are provided between the intermediate insulating layer 2 and the external shielding layer 3 Bar external signal cored wire 6 and at least a fastener 7.The internal shield 1 is uniformly wrapped more outside the interior signal core line 5 Branch tinned copper wire, screening rate >=95%.The external shielding layer 3 is the branched plating outside the uniform wrapped internal structure wrapped up at it Tin copper wire, screening rate >=95%.

The interior signal core line 5 and the external signal cored wire 6 are by conductor 8 and 9 groups of insulating barrier being wrapped in outside conductor 8 Into by branched conductor 1 and at least, a conductor 2 11 is mutually twisted the conductor 8, and the conductor 1 is alloyed copper Silk, such as tinned copper wire.

Reference picture 2-3, Fig. 2 are the cross-sectional view of conductor two, and Fig. 3 is the structural representation of conductor two, the conductor 2 11 It is made up of tension silk 12 and the wrapped copper foil 13 in the outer surface of tension silk 12.In the present embodiment, the tension silk 12 is from virtue Fragrant polyamide fiber（Kevlar product）.Conductor 1 and conductor 2 11 are satisfied by resistance requirement, and tiny satisfaction uses Demand, and conductor 2 11 has very high mechanical flexibility, twisted obtained conductor 8 has very high mechanical flexibility, Obtained signal core line bending is not easy to be broken, and can meet high-frequency requirement.The intermediate insulating layer 2 and it is described absolutely The material of edge layer 9 is polyvinyl chloride（PVC）.The fastener 7 is aromatic polyamide fibre, fine using aromatic polyamide Dimension replaces traditional cotton thread to further enhance the intensity of blood oxygen line so that blood oxygen line is not easy to break as fastener.The blood oxygen Line had both met the conducting resistance of wire rod requirement, also met the light small comfortable requirement of product, can be long-term use of in clinical safety.

Embodiment 2：

The present embodiment is substantially the same manner as Example 1, and difference is：The material of the insulating barrier 9 is thermoplastic poly Ester elastomer（TPEE）.The insulating layer material of conventional cored wire is polyvinyl chloride or high density polyethylene (HDPE), traditional cable due to The quality for limiting wire rod can not be thick, and after meeting that data real transmission and light weight are small, conventional insulating layer material is made Cored wire, electric proof voltage test fraction defective it is high, easy leak electricity short-circuit when product uses, cause to transmit data failure or burn out prison Protect instrument, or patient such as is shocked by electricity at the danger.And use insulating barrier made of thermoplastic polyester elastomer being capable of promotion signal core The anti-high voltage characteristics of line, improve product qualification rate so that using safer.The interior signal core line 5, the internal shield 1 and the aggregate of the intermediate insulating layer 2 mutually twisted together with the external signal cored wire 6, the fastener 7.It is described outer The material selection thermoplastic elastomer (TPE) of restrictive coating so that blood oxygen line is soft easily to be used.Relative to the blood oxygen line in embodiment 1, sheet The blood oxygen line of embodiment 1 further improves insulation characterisitic, and in proof voltage AC/1KV, insulation is all without breakdown.

Claims (10)

1. A kind of 1. blood oxygen line, it is characterised in that including set from inside to outside internal shield, intermediate insulating layer, external shielding layer and External sheath layer, the intermediate insulating layer are wrapped in the outer surface of the internal shield, and the external sheath layer is wrapped in the external screen The outer surface of layer is covered, at least two interior signal core lines, the intermediate insulating layer and the external screen are provided with the internal shield Cover and be provided with least two external signal cored wires and an at least fastener, the interior signal core line and the external signal cored wire between layer It is made up of conductor and the insulating barrier being wrapped in outside conductor, a conductor two is mutual by branched conductor one and at least for the conductor It is twisted, the conductor one is alloy copper wire, and the conductor two is by tension silk and the wrapped copper foil group in tension silk outer surface Into.
2. 2. blood oxygen line according to claim 1, it is characterised in that the tension silk is aromatic polyamide fibre.
3. 3. blood oxygen line according to claim 1, it is characterised in that the fastener is aromatic polyamide fibre.
4. 4. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that be provided with least two in the internal shield Signal core line in bar, the interior signal core line mutually twist together.
5. 5. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that the interior signal core line, the inner shield The aggregate of layer and the intermediate insulating layer mutually twists together with the external signal cored wire, the fastener.
6. 6. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that the material of the external sheath layer is thermoplasticity Elastomer.
7. 7. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that the material of the intermediate insulating layer is thermoplastic Property polyester elastomer.
8. 8. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that the internal shield is uniformly wrapped in institute State the branched tinned copper wire outside interior signal core line.
9. 9. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that the external shielding layer is uniformly wrapped at it Branched tinned copper wire outside the internal structure wrapped up.
10. 10. according to the blood oxygen line described in claim any one of 1-3, it is characterised in that the conductor one is tinned copper wire.