CN104757963A - Electrocardiograph sensor and electrocardiograph detection equipment - Google Patents

Electrocardiograph sensor and electrocardiograph detection equipment Download PDF

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Publication number
CN104757963A
CN104757963A CN201510172509.9A CN201510172509A CN104757963A CN 104757963 A CN104757963 A CN 104757963A CN 201510172509 A CN201510172509 A CN 201510172509A CN 104757963 A CN104757963 A CN 104757963A
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inductance coil
electric capacity
electrocardiosignal
egc sensor
circuit
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CN104757963B (en
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曾兆山
徐耘
赵挺
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Shenzhen's Flying Horse And Xing Yue Technological Research Co Ltd
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Shenzhen's Flying Horse And Xing Yue Technological Research Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316Modalities, i.e. specific diagnostic methods
    • A61B5/318Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30Input circuits therefor
    • A61B5/301Input circuits therefor providing electrical separation, e.g. by using isolating transformers or optocouplers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Power Engineering (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

The invention discloses an electrocardiograph sensor. The electrocardiograph sensor comprises a first inductance coil, a second inductance coil and an insulator, wherein the first inductance coil and the second inductance coil are oppositely arranged in a spaced mode, and the insulator is used for fixing the first inductance coil and the second inductance coil. When the first inductance coil inducts electrocardiosignals of a detected body, mutual inductance is formed by the second inductance coil and the first inductance coil, and electric signals corresponding to the electrocardiosignals on the first inductance coil are formed on the second inductance coil; an output electrode outputting the electrocardiosignals is arranged on the second inductance coil. The invention further discloses electrocardiograph detection equipment. The electrocardiograph sensor can detect the electrocardiosignals of the detected body like a human body, has the advantages of being low in signal interference, stable and the like, and can collect the electrocardiosignals of the detected body on the condition of not directly touching the surface skin of the detected body.

Description

EGC sensor and ECG detecting equipment
Technical field
The present invention relates to ECG detecting technical field, particularly relate to a kind of EGC sensor and ECG detecting equipment.
Background technology
Cardiovascular disease is one of major disease threatening human health always, and mortality rate remains high, and modern society is more and more higher for the attention rate of cardiovascular disease.Along with improving constantly of health of people consciousness, how at any time monitoring of cardiac state, prevent heart disease and become the topic that society discusses warmly in time.
Human heart in the process of depolarization and multipole, the electromotive force that can change.Based on human body surface waveguide theory, this electromotive force can form the electric field of a change at human body surface, people by certain sensor and change-over circuit, can record potential difference of this change and be presented on drawing or screen, Here it is our said electrocardiogram (ECG).The graphic feature of ECG can well react the physiological feature of human heart, is the important supplementary means of cardiovascular disease diagnosis and treatment.Up to now, ECG has helped thousands of people's Diagnosis and Treat cardiovascular disease, in the diagnosis and treatment of cardiovascular disease, occupy critical role.
Traditional electrocardiogram monitoring must carry out in the medical institutions of hospital or specialty, but due to the latency of cardiovascular disease, the factor such as sudden and uncertain, often cause patient can not carry out detection and diagnosis to hospital timely, thus delay best therapic opportunity, therapeutic effect is had a greatly reduced quality.Given this, there has been proposed dynamic monitoring Electrocardiograph (such as Holter), can carry out cardioelectric monitor to patient or sub-health population for a long time, Holter system is widely used on clinical medicine and health supervision.
The many employings of existing Holter system disposable Ag electrode (silver-silver chloride electrode)/AgCl electrode (silver chloride electrode), not reproducible utilization, be not suitable for wearing for a long time, for use and long term monitoring have larger difficulty at home, and electrode directly contacts human body skin, easily cause sense of discomfort and the problem such as airtight, some patients may produce anaphylaxis to conductive paste etc.
Summary of the invention
Main purpose of the present invention is to provide a kind of EGC sensor, is intended to realize not needing conductive paste just conveniently can gather the electrocardiosignal of the measured bodies such as human body.
For achieving the above object, the invention provides a kind of EGC sensor, described EGC sensor comprises the first inductance coil sense and the second inductance coil that relative spacing arranges and the insulator for fixing described first inductance coil and the second inductance coil; When described first inductance coil senses the electrocardiosignal of measured body, described second inductance coil and described first inductance coil form mutual inductance, and form the signal of telecommunication corresponding with the electrocardiosignal on described first inductance coil on the second inductance coil; Described second inductance coil is provided with the output electrode exporting described electrocardiosignal.
Preferably, described insulator comprises the first relative side and the second side, and described first inductance coil is located on described first side, and described second inductance coil is located on described second side.
Preferably, described EGC sensor also comprises the 3rd inductance coil, described 3rd inductance coil is located on the second side of described insulator, forms conjugation coupled structure with described second inductance coil, strengthens with the electrocardiosignal exported to by described second inductance coil in described output electrode.
Preferably, described EGC sensor also comprises voltage lifting circuit, pre-amplification circuit, the input of described voltage lifting circuit is connected with described output electrode, the outfan of described voltage lifting circuit is connected with the input of described pre-amplification circuit, and described voltage lifting circuit is for receiving the described electrocardiosignal of described output electrode output and carrying out level lifting to described electrocardiosignal; Described pre-amplification circuit carries out exporting post processing electric circuit to after signal is followed to the described electrocardiosignal after level lifting.
Preferably, described voltage lifting circuit comprises DC source, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the first resistance and stabilivolt, the first end of described first resistance is connected with the outfan of described DC source, second end of described first resistance is connected with the negative electrode of described stabilivolt, the plus earth of described stabilivolt; The first end of described first electric capacity is the input of described voltage lifting circuit, and this first end is connected with described output electrode, and the second end of described first electric capacity is connected respectively with the first end of the first end of described second electric capacity, the 3rd electric capacity; Second end ground connection of described second electric capacity, the second end of described 3rd electric capacity is connected with the first end of described 4th electric capacity; Second end of described 4th electric capacity is the outfan of described voltage lifting circuit, and the second end of described 4th electric capacity is connected with the second end of described first resistance and the negative electrode of described stabilivolt respectively.
Preferably, described pre-amplification circuit comprises operational amplifier, the second resistance and the 3rd resistance, the positive input of described operational amplifier is the input of pre-amplification circuit, and the reverse input end of described operational amplifier is connected with the second end of described 3rd electric capacity and the first end of the 4th electric capacity respectively through the second resistance; The outfan of described operational amplifier is the outfan of described pre-amplification circuit, exports post processing electric circuit to for described electrocardiosignal being followed; The outfan of described operational amplifier is connected with the reverse input end of described operational amplifier through described 3rd resistance.
Preferably, described EGC sensor also comprises signal screen shield, second side of described signal screen shield and described insulator is facing, and is connected and fixed with described insulator, and described voltage lifting circuit and pre-amplification circuit are located at the side of described signal screen shield described insulator dorsad.
Preferably, described EGC sensor also comprises the outer cushion collar of accommodating described insulator, the first inductance coil and the second inductance coil, and described outer cushion collar and described insulator, the first inductance coil and the second inductance coil removably connect.
Preferably, described first inductance coil is high magnetic permeability tinsel is that snail shape arranges formation.
For achieving the above object, the present invention also provides a kind of ECG detecting equipment, and described ECG detecting equipment comprises EGC sensor as above; Described EGC sensor comprises the first inductance coil sense and the second inductance coil that relative spacing arranges and the insulator for fixing described first inductance coil and the second inductance coil; When described first inductance coil senses the electrocardiosignal of measured body, described second inductance coil and described first inductance coil form mutual inductance, and form the signal of telecommunication corresponding with the electrocardiosignal on described first inductance coil on the second inductance coil; Described second inductance coil is provided with the output electrode exporting described electrocardiosignal.
The present invention is by arranging the first inductance coil sense of relative spacing and the second inductance coil and the insulator for fixing described first inductance coil and the second inductance coil; When described first inductance coil senses the electrocardiosignal of measured body, described second inductance coil and described first inductance coil form mutual inductance, and the signal of telecommunication corresponding with the electrocardiosignal on described first inductance coil is formed on the second inductance coil, this signal of telecommunication is exported by the output electrode be connected with the second inductance coil, so just achieves the collection to measured body electrocardiosignal; Owing to gathering the electrocardiosignal of measured body by inductance coil, then without the need to conductive paste, signal is disturbed less, stable, and achieves the electrocardiosignal that just can collect measured body when directly not contacting measured body surface skin.
Accompanying drawing explanation
Fig. 1 is the structural representation of EGC sensor one embodiment of the present invention;
Fig. 2 is the circuit block diagram of voltage lifting circuit, pre-amplification circuit and output electrode in EGC sensor one embodiment of the present invention;
The electrical block diagram that Fig. 3 is the voltage lifting circuit shown in Fig. 2 and pre-amplification circuit.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of EGC sensor, for gathering the electrocardiosignal of the measured bodies such as human body.
With reference to Fig. 1, in one embodiment, described EGC sensor comprises relative spacing and arranges the first inductance coil sense 20 of (interval predeterminable range) and the second inductance coil 30 and the insulator 10 for fixing described first inductance coil 20 and the second inductance coil 20; When described first inductance coil 20 senses the electrocardiosignal of measured body, described second inductance coil 30 forms mutual inductance with described first inductance coil 20, and forms the signal of telecommunication corresponding with the electrocardiosignal on described first inductance coil 20 on the second inductance coil 30; Described second inductance coil 30 is provided with the output electrode 31 exporting described electrocardiosignal.
Should be understood that, this first inductance coil 20 and measured body surface contact or near time, form primary side inductance resonant tank with measured body surface, thus the faint electrocardiosignal of measured body can be collected; When the first inductance coil 20 produces faint electrocardiosignal, the second inductance coil 30 forms mutual inductance with described first inductance coil 20, and on the second inductance coil 30, form the corresponding signal of telecommunication, so just achieves the collection to measured body electrocardiosignal.
In the present embodiment, described insulator 10 can the insulating pieces made of insulant arbitrarily, and play the effect fixing the first inductance coil sense 20 and the second inductance coil 30, shape is not limit, and is preferably flat structure; Wherein, this insulator 10 comprises the first relative side and the second side, and described first inductance coil 20 is located on described first side, and described second inductance coil 30 is located on described second side.Namely this insulator 10 is between the first inductance coil sense 20 and the second inductance coil 30, directly contacts with the second inductance coil 30 in order to prevent the first inductance coil sense 20.Above-mentioned first inductance coil 20 can adopt various metallic conductor to make, and the tinsel that the preferred version of the present embodiment is employing high magnetic permeability is that snail shape arranges formation.Wherein spiral helicine structure can be the helical structure of circular arc, also can be other, the helical structure of such as rectangular shape or the helical structure of elliptical shape; And the electrocardiosignal of the measured bodies such as the first inductance coil 20 pairs of human bodies of this material and helical structure is more responsive, when directly can contact measured body skin at close measured body skin surface and, just electrocardiosignal faint on measured body can be sensed.Same, second inductance coil 30 is the same with the first inductance coil 20 adopts various metallic conductor to make, preferably, second inductance coil 30 is the same with the material that the first inductance coil 20 adopts, and structure is the same, the concordance of signal that electric induction signal that the second inductance coil 30 generates and the first inductance coil 20 sense farthest can be ensured like this.
Be understandable that, EGC sensor provided by the invention is by arranging the first inductance coil sense 20 of relative spacing and the second inductance coil 30 and the insulator 10 for fixing described first inductance coil 20 and the second inductance coil 30, when the first inductance coil 20 senses the electrocardiosignal of measured body, mutual inductance is formed between this second inductance coil 30 and described first inductance coil 20, and the signal of telecommunication corresponding with the electrocardiosignal on described first inductance coil 20 is formed on the second inductance coil 30, this signal of telecommunication is exported by the output electrode 31 be connected with the second inductance coil 30, so just achieve the collection to measured body electrocardiosignal, owing to gathering the electrocardiosignal of measured body by inductance coil, without the need to conductive paste, signal is disturbed less, stable, and achieves the electrocardiosignal that just can collect measured body when directly not contacting measured body surface skin.It is worth mentioning that, EGC sensor provided by the invention is applicable to Holter and family uses, and when using, does not need directly to contact human body skin (also can contact monitoring), affine to human body, has very high practicality.
Based on above-described embodiment, further, with reference to Fig. 1 and Fig. 2, described EGC sensor also comprises the 3rd inductance coil 40, described 3rd inductance coil 40 is located on the second side of described insulator 10, form conjugation coupled structure with described second inductance coil 30, strengthen with the electrocardiosignal described second inductance coil 30 exported in described output electrode 31.In this embodiment, described 3rd inductance coil 40 is in together on the second side of described insulator 10 with described second inductance coil 30, both mutual spiral surroundings of coil, but directly do not contact, and described 3rd inductance coil 40 is contrary with the electrode direction of circling of described second inductance coil 30, to form conjugation coupled structure with described second inductance coil 30.Such structure can strengthen the intensity of the electrocardiosignal that the second inductance coil 30 is formed, and improves the quality of the electrocardiosignal that the second inductance coil 30 exports.
Based on above-described embodiment, further, with reference to Fig. 1 and Fig. 2, described EGC sensor also comprises voltage lifting circuit 50, pre-amplification circuit 60, the input of described voltage lifting circuit 50 is connected with described output electrode 31, the outfan of described voltage lifting circuit 50 is connected with the input of described pre-amplification circuit 60, and described voltage lifting circuit 50 is for receiving the described electrocardiosignal of described output electrode 31 output and carrying out level lifting to described electrocardiosignal; Described electrocardiosignal after the 60 pairs of level liftings of described pre-amplification circuit is carried out signal and is followed and export post processing electric circuit to.Particularly, described voltage lifting circuit 50 is when receiving the described electrocardiosignal that described output electrode 31 exports, superpose in a predetermined DC level signal to described electrocardiosignal, waveform corresponding to described electrocardiosignal is in positive axis, thus ensure the integrity of electrocardiosignal.
With reference to Fig. 2 and Fig. 3, in this embodiment, described voltage lifting circuit 50 comprises DC source VCC, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the first resistance R1 and stabilivolt Z1, the first end of described first resistance R1 is connected with the outfan of described DC source VCC, second end of described first resistance R1 is connected with the negative electrode of described stabilivolt Z1, the plus earth of described stabilivolt Z1; The first end of described first electric capacity C1 is the input of described voltage lifting circuit 50, and this first end is connected with described output electrode 31, and second end of described first electric capacity C1 is connected respectively with the first end of described second electric capacity C2, the first end of the 3rd electric capacity C3; The second end ground connection of described second electric capacity C2, second end of described 3rd electric capacity C3 is connected with the first end of described 4th electric capacity C4; Second end of described 4th electric capacity C4 is the outfan of described voltage lifting circuit 50, and second end of described 4th electric capacity C4 is connected with second end of described first resistance R1 and the negative electrode of described stabilivolt Z1 respectively.Wherein, the 4th electric capacity C4 is used for isolated DC interfering signal; The level signal that DC source VCC exports is stabilized in a definite value by stabilivolt Z1.
With reference to Fig. 2 and Fig. 3, in this embodiment, described pre-amplification circuit 60 comprises operational amplifier U1, the second resistance R2 and the 3rd resistance R3, the positive input of described operational amplifier U1 is the input of pre-amplification circuit 60, and the reverse input end of described operational amplifier U1 is connected with second end of described 3rd electric capacity C3 and the first end of the 4th electric capacity C4 respectively through the second resistance R2; The outfan of described operational amplifier U1 is the outfan of described pre-amplification circuit 60, exports post processing electric circuit to for described electrocardiosignal being followed; The outfan of described operational amplifier U1 is connected with the reverse input end of described operational amplifier U1 through described 3rd resistance R3.Preferably, the value of the second resistance R2 and the 3rd resistance R3 is equal.
Based on this embodiment, further, with reference to Fig. 1, described EGC sensor also comprises signal screen shield 70, described signal screen shield 70 is facing with the second side of described insulator 10, and be connected and fixed with described insulator 10, described voltage lifting circuit 50 and pre-amplification circuit 60 are located at the side of described signal screen shield 70 described insulator 10 dorsad.In the present embodiment, described signal screen shield 70 preferably adopts the metal material (as: copper, platinum) of high conductivity to realize, and this signal screen shield 70 also can adopt other metal materials to realize certainly.In addition, can also arrange in the present embodiment, signal screen shield 70 is connected by the ground wire of isolation capacitance with described pre-amplification circuit 60, to reduce the parasitic parameter of the generation such as circuit and wiring to the impact of electrocardiosignal.
In addition, metallic shield (scheming not shown) can also be set voltage lifting circuit 50 and pre-amplification circuit 60 are shielded, reduce the interference that external electromagnetic field transmits electrocardiosignal.And this signal screen shield 70 also can be used for voltage lifting circuit 50 and pre-amplification circuit 60 and the second inductance coil 30 to isolate, to reduce the parasitic parameter of electronic device in circuit and wiring to the interference of electrocardiosignal.It is worth mentioning that, due to voltage lifting circuit 50 and pre-amplification circuit 60 are integrated in the side of signal screen shield 70 to described insulator 10, when making output electrode 31 export electrocardiosignal, only need very short wire just electrocardiosignal can be transferred to voltage lifting circuit 50 and pre-amplification circuit 60, thus the problem that when avoiding faint electrocardiosignal by transmitting compared with long lead, signal quality declines and disturbs by external electromagnetic field, ensure that the quality of the electrocardiosignal collected.Wherein, signal screen shield 70 can be offered the via hole passed for wire, so that the layout of wire.
Based on above-described embodiment, further, described EGC sensor also comprises the outer cushion collar 80 of accommodating described insulator 10, first inductance coil 20 and the second inductance coil 30, and described outer cushion collar 80 removably connects with described insulator 10, first inductance coil 20 and the second inductance coil 30.This outer cushion collar 80 plays the effect of protection Inside coil, and plays clean effect.It should be noted that, this outer cushion collar 80 preferably adopts and makes human body skin and the insensitive polymeric material of medicated clothing, and this polymeric material should have larger frictional force or absorption affinity with its contactant simultaneously, prevents electrode from sliding.
It should be noted that, when the parts of this EGC sensor increase (when such as also increasing voltage lifting circuit 50 and pre-amplification circuit 60), size and the shape of this outer cushion collar 80 can be set according to the size of parts and shape correspondence, in whole EGC sensor being wrapped in, this EGC sensor is avoided to be polluted.In addition, detachable outer cushion collar facilitates user to change, sanitation and hygiene.
The present invention also provides a kind of ECG detecting equipment, and this ECG detecting equipment comprises above-mentioned EGC sensor, and the detailed construction of described EGC sensor can refer to above-described embodiment, repeats no more herein; Be understandable that, owing to employing above-mentioned EGC sensor in ECG detecting equipment, therefore, the embodiment of this ECG detecting equipment comprises whole technical schemes of the whole embodiment of above-mentioned EGC sensor, and the technique effect reached is also identical, does not repeat them here.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. an EGC sensor, is characterized in that, described EGC sensor comprises the first inductance coil sense and the second inductance coil that relative spacing arranges and the insulator for fixing described first inductance coil and the second inductance coil; When described first inductance coil senses the electrocardiosignal of measured body, described second inductance coil and described first inductance coil form mutual inductance, and form the signal of telecommunication corresponding with the electrocardiosignal on described first inductance coil on the second inductance coil; Described second inductance coil is provided with the output electrode exporting described electrocardiosignal.
2. EGC sensor as claimed in claim 1, it is characterized in that, described insulator comprises the first relative side and the second side, and described first inductance coil is located on described first side, and described second inductance coil is located on described second side.
3. EGC sensor as claimed in claim 2, it is characterized in that, described EGC sensor also comprises the 3rd inductance coil, described 3rd inductance coil is located on the second side of described insulator, form conjugation coupled structure with described second inductance coil, strengthen with the electrocardiosignal described second inductance coil exported in described output electrode.
4. EGC sensor as claimed in claim 1, it is characterized in that, described EGC sensor also comprises voltage lifting circuit, pre-amplification circuit, the input of described voltage lifting circuit is connected with described output electrode, the outfan of described voltage lifting circuit is connected with the input of described pre-amplification circuit, and described voltage lifting circuit is for receiving the described electrocardiosignal of described output electrode output and carrying out level lifting to described electrocardiosignal; Described pre-amplification circuit carries out exporting post processing electric circuit to after signal is followed to the described electrocardiosignal after level lifting.
5. EGC sensor as claimed in claim 4, it is characterized in that, described voltage lifting circuit comprises DC source, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the first resistance and stabilivolt, the first end of described first resistance is connected with the outfan of described DC source, second end of described first resistance is connected with the negative electrode of described stabilivolt, the plus earth of described stabilivolt; The first end of described first electric capacity is the input of described voltage lifting circuit, and this first end is connected with described output electrode, and the second end of described first electric capacity is connected respectively with the first end of the first end of described second electric capacity, the 3rd electric capacity; Second end ground connection of described second electric capacity, the second end of described 3rd electric capacity is connected with the first end of described 4th electric capacity; Second end of described 4th electric capacity is the outfan of described voltage lifting circuit, and the second end of described 4th electric capacity is connected with the second end of described first resistance and the negative electrode of described stabilivolt respectively.
6. EGC sensor as claimed in claim 5, it is characterized in that, described pre-amplification circuit comprises operational amplifier, the second resistance and the 3rd resistance, the positive input of described operational amplifier is the input of pre-amplification circuit, and the reverse input end of described operational amplifier is connected with the second end of described 3rd electric capacity and the first end of the 4th electric capacity respectively through the second resistance; The outfan of described operational amplifier is the outfan of described pre-amplification circuit, exports post processing electric circuit to for described electrocardiosignal being followed; The outfan of described operational amplifier is connected with the reverse input end of described operational amplifier through described 3rd resistance.
7. EGC sensor as claimed in claim 4, it is characterized in that, described EGC sensor also comprises signal screen shield, second side of described signal screen shield and described insulator is facing, and be connected and fixed with described insulator, described voltage lifting circuit and pre-amplification circuit are located at the side of described signal screen shield described insulator dorsad.
8. EGC sensor as claimed in claim 2, it is characterized in that, described EGC sensor also comprises the outer cushion collar of accommodating described insulator, the first inductance coil and the second inductance coil, and described outer cushion collar and described insulator, the first inductance coil and the second inductance coil removably connect.
9. EGC sensor as claimed in claim 1, it is characterized in that, described first inductance coil is high magnetic permeability tinsel is that snail shape arranges formation.
10. an ECG detecting equipment, is characterized in that, described ECG detecting equipment comprises the EGC sensor as described in any one of claim 1-9.
CN201510172509.9A 2015-04-13 2015-04-13 Electrocardiograph sensor and electrocardiograph detection equipment Expired - Fee Related CN104757963B (en)

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CN204600461U (en) * 2015-04-13 2015-09-02 深圳市飞马与星月科技研究有限公司 EGC sensor and ECG detecting equipment

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CN106618558A (en) * 2016-11-09 2017-05-10 苏州洛哈思信息科技有限公司 Electrocardiograph measurement probe and system
CN111166321A (en) * 2019-12-31 2020-05-19 上海联影医疗科技有限公司 Electrocardio lead wire and electrocardiosignal detection device
US11896404B2 (en) 2019-12-31 2024-02-13 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for medical imaging of a heart and analysis of ECG target channel

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