CN106691432A - Inductive electrocardio measurement method and instrument - Google Patents
Inductive electrocardio measurement method and instrument Download PDFInfo
- Publication number
- CN106691432A CN106691432A CN201610910648.1A CN201610910648A CN106691432A CN 106691432 A CN106691432 A CN 106691432A CN 201610910648 A CN201610910648 A CN 201610910648A CN 106691432 A CN106691432 A CN 106691432A
- Authority
- CN
- China
- Prior art keywords
- electrocardiosignal
- digital
- electrocardio
- amplification
- analog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6844—Monitoring or controlling distance between sensor and tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physiology (AREA)
- Psychiatry (AREA)
- Signal Processing (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention discloses an inductive electrocardio measurement method and instrument. The inductive electrocardio measurement method includes: a potential field sensor outputting initial electrocardio signals; performing front-end filtering amplification; performing analog-digital conversion; performing digital signal processing; performing digital-analog conversion; performing differential pressure via an external resistance network; acquiring backend analog electrocardio signals via backend filter amplification; after analog-digital conversion, acquiring backend digital electrocardio signals; a main controller performing processing on the backend digital electrocardio signals to acquire electrocardio parameters. With the inductive electrocardio measurement method and instrument, adhesion of an Ag/AgCl electrode is not needed; the initial electrocardio signals output by the potential field sensor in an instructive electrocardio probe are subjected to front-end filter amplification, digital signal processing and differential pressure of the external resistance network, and effective signals are extracted through circuits of the backward stage; human limb impedance is simulated through the external resistance network, input impedance in electrocardio can be improved, higher common-mode rejection ratio is achieved, and antijamming capability is higher.
Description
Technical field
The present invention relates to field of medical device, more particularly to the electrocardio measuring apparatus based on body surface space potential.
Background technology
Electrocardio is the important indicator for characterizing health status, and existing electrocardio measuring apparatus are mostly the measurement based on lead method
Equipment, needs the ad-hoc location being respectively placed in several electrodes on human body, and need the measuring apparatus and electrocardio when using
Figure machine connects to trace out electrocardiogram.Traditional electrocardio measuring method is to stick on the body of patient Ag/AgCl electrodes, is used
Conducting wire connection electrode and detecting instrument, are shown and are printed, as doctor to patient's state of an illness later by amplifying, filtering
The foundation of diagnosis.But some patients are not appropriate for pasting electrode, such as neonate, burn patient etc., can to monitoring object and
Doctor produces trouble.
The patent document of Publication No. CN201220073456.7 discloses a kind of electrocardio based on body surface space potential and surveys
Amount equipment, be provided with can be used to sense weak electric field size around tested body surface and its in the coupled capacitor of change or
Two pole plates, the charge amplifier for the quantity of electric charge assembled on the pole plate to be converted to voltage and amplification, to the electricity
The voltage signal of lotus amplifier output is amplified, the signal conditioning circuit of filtering process.But also there is signal processing
Complexity, easily be subject to noise jamming the problems such as.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide induction type electrocardio measuring method and device,
It can solve traditional electrocardio measuring method needs to stick in Ag/AgCl electrodes on patient body, existing empty based on body surface
Between potential electrocardio measuring apparatus signal processing it is complicated, pole plate is easily influenceed by humidity, dust etc., and A/D conversion accuracy is poor
Problem.
The purpose of the present invention is realized using following technical scheme：
A kind of induction type electrocardio measuring method, comprises the following steps：
Potential field sensor exports initial electrocardiosignal；
The initial electrocardiosignal carries out front-end filtering amplification；
Initial electrocardiosignal after to filter and amplification carries out analog-to-digital conversion, obtains front-end digital electrocardiosignal；
Digital Signal Processing is carried out to the front-end digital electrocardiosignal；
Digital-to-analogue conversion is carried out to the front-end digital electrocardiosignal after Digital Signal Processing, front end analogue electrocardiosignal is obtained；
The front end analogue electrocardiosignal carries out partial pressure by non-essential resistance network, obtains limbs electrocardiosignal；
Rear end filter and amplification is carried out to the limbs electrocardiosignal, rear end analog electrocardiogram signal is obtained；
Analog-to-digital conversion is carried out to the rear end analog electrocardiogram signal, back-end digital electrocardiosignal is obtained；
Master controller is processed the back-end digital electrocardiosignal, obtains EGC parameter.
Preferably, described induction type electrocardio measuring method also includes：The initial electrocardiosignal is obtained through differential amplification
To feedback signal, the feedback signal is used for as electrocardio reference potential.
Preferably, it is described rear end filter and amplification is carried out to the limbs electrocardiosignal to specifically include：To the limbs electrocardio
Signal is filtered, amplifies, difference, filter again, amplify again.
Preferably, it is described Digital Signal Processing is carried out to the front-end digital electrocardiosignal to specifically include：To the front end
Digital electrocardiosignal carries out digital filtering, digital differential.
Preferably, the potential field sensor exports initial electrocardiosignal, the potential of specially the first analog switch selection
Field sensor exports initial electrocardiosignal；
Before the front end analogue electrocardiosignal carries out partial pressure by non-essential resistance network, also include：Opened by the second simulation
Close the selection non-essential resistance network port.
A kind of induction type pressure electrocardio measuring device, including：
Potential field sensor, for exporting initial electrocardiosignal；
Front-end filtering amplifying unit, for carrying out front-end filtering amplification to the initial electrocardiosignal；
Front end AD conversion unit, for front-end filtering to be amplified after initial electrocardiosignal be converted to front-end digital electrocardio
Signal；
Digital signal processing unit, for carrying out Digital Signal Processing to the front-end digital electrocardiosignal；
Front end D/A conversion unit, for the front-end digital electrocardiosignal after Digital Signal Processing to be converted into front end analogue
Electrocardiosignal；
Non-essential resistance network, for carrying out partial pressure to the front end analogue electrocardiosignal, obtains limbs electrocardiosignal；
Rear end filter and amplification unit, for carrying out rear end filter and amplification to the limbs electrocardiosignal, obtains rear end simulation
Electrocardiosignal；
Rear end AD conversion unit, for the rear end analog electrocardiogram signal to be converted into back-end digital electrocardiosignal；
Master controller, for processing the back-end digital electrocardiosignal, obtains EGC parameter.
Preferably, the induction type pressure electrocardio measuring device also includes feedback unit, and the feedback unit puts front-end filtering
Initial electrocardiosignal differential amplification after big, as the feedback signal as electrocardio reference potential.
The preferred rear end filter and amplification unit include filter part, amplifier unit, difference part, again filter part and
Amplifier unit again, the filter part, amplifier unit, again difference part, filter part and amplifier unit is sequentially connected electrically again.
Preferably, the digital signal processing unit includes digital filtering part and digital differential part, the numeral filter
Parts for wave and digital differential part are electrically connected.
Preferably, the induction type pressure electrocardio measuring device also includes:
First analog switch, for switching the potential field sensor, first analog switch electrically connects the potential
Field sensor and front-end filtering amplifying unit.
Second analog switch, for selecting the corresponding non-essential resistance network port of front end analogue electrocardiosignal, described second
Analog switch electrically connects the front end D/A conversion unit and non-essential resistance network.
Compared to existing technology, the beneficial effects of the present invention are：Using induction type electrocardio measuring method and device, without glutinous
Patch Ag/AgCl electrodes, directly or across contact with clothing skin can easily carry out ECG detecting；In induction type electrocardio probe
Potential field sensor output initial electrocardiosignal carried out through front end filter and amplification, Digital Signal Processing and non-essential resistance network
Partial pressure, then goes out useful signal by the circuit extraction of rear class.Wherein non-essential resistance network analog human limb impedance, Neng Gouti
Cardiac electrical input impedance high, with common-mode rejection ratio higher, antijamming capability is also stronger.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the induction type electrocardio measuring method that the embodiment of the present invention one is provided；
Fig. 2 is the schematic flow sheet of the induction type electrocardio measuring method that the embodiment of the present invention two is provided；
Fig. 3 is the schematic flow sheet of rear end filter and amplification in Fig. 1 and Fig. 2；
Fig. 4 is the schematic flow sheet of Digital Signal Processing in Fig. 1 and Fig. 2；
Fig. 5 is the structural representation of the induction type pressure electrocardio measuring device that the embodiment of the present invention three is provided；
Fig. 6 is the structural representation of the induction type pressure electrocardio measuring device that the embodiment of the present invention four is provided；
Specific embodiment
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Embodiment one：
Induction type electrocardio measuring method as shown in Figure 1, comprises the following steps：
S101:Potential field sensor exports initial electrocardiosignal.
Potential field sensor can realize allowing the ecg measurement become very simple, without the winding of many wires, need not lie in
On special sick bed, without smearing conduction liquid on skin, it is only necessary to electric potential field sensor across medium (such as clothes,
Cotton, gauze etc.) AC signal in measurement space.
S102:Initial electrocardiosignal carries out front-end filtering amplification；Front-end filtering amplifies changes faint potential field signal
Into voltage signal.
S103:Initial electrocardiosignal after to filter and amplification carries out analog-to-digital conversion, obtains front-end digital electrocardiosignal；
S104:Digital Signal Processing is carried out to front-end digital electrocardiosignal；
The voltage signal noise that S102 is obtained is very big, (typically single by front end analog-to-digital conversion and Digital Signal Processing
Piece machine or DSP) treatment after, voltage signal (or Human Physiology electric signal) has certain taper.
S105:Digital-to-analogue conversion is carried out to the front-end digital electrocardiosignal after Digital Signal Processing, front end analogue electrocardio is obtained
Signal；
S106:Front end analogue electrocardiosignal carries out partial pressure by non-essential resistance network, obtains limbs electrocardiosignal；
The design simulation of non-essential resistance network be human limb impedance principle, like front end digital-to-analogue conversion export people
The corresponding faint electrocardiosignal of cardiomotility of body, electrocardiosignal by the non-essential resistance network limbs impedance of people (can be compared to),
The voltage difference of difference is produced, there is the pressure difference of body electrical signals, be easy to subsequently more effectively extract useful signal
S107:Rear end filter and amplification is carried out to limbs electrocardiosignal, rear end analog electrocardiogram signal is obtained；
S108:Analog-to-digital conversion is carried out to rear end analog electrocardiogram signal, back-end digital electrocardiosignal is obtained；
S109:Master controller is processed back-end digital electrocardiosignal, obtains EGC parameter.
Back-end digital electrocardiosignal is transferred to master controller and is processed.By the filtering algorithm of master controller, gain control
After the treatment such as algorithm processed, electrocardiosignal QRS complex extraction algorithm, rate calculation algorithm, output ecg wave form signal and heart rate value etc.
EGC parameter.
Embodiment two：
Induction type electrocardio measuring method as shown in Figure 2, S201-S209 is corresponding in turn to the S101- in embodiment one
S109, embodiment two is with the difference of embodiment one, further comprising the steps of：
S2011, potential field sensor exports initial electrocardio letter in the selection of the first analog switch potential field sensor, i.e. S201
Number, the potential field sensor that specially the first analog switch is opened exports initial electrocardiosignal；
S2061, selects the non-essential resistance network port, i.e. S206 front end analogues electrocardiosignal to pass through by the second analog switch
Before non-essential resistance network carries out partial pressure, also include：The non-essential resistance network port is selected by the second analog switch.
First analog switch and the second analog switch can realize selecting that induction type pressure electrocardio measuring device will be handled is right
The electrocardiosignal of the potential field sensor answered.
S2022, initial electrocardiosignal obtains feedback signal after the filter and amplification of front end through differential amplification, and feedback signal is used for
As electrocardio reference potential, the interference of the factors such as electrostatic can be eliminated.
As shown in figure 3, rear end filter and amplification is specifically included：Limbs electrocardiosignal is filtered S2071, amplify S2072,
Difference S2073, S2074 is filtered again, amplifies S2075 again.
As shown in figure 4, Digital Signal Processing includes digital filtering S2041, digital differential S2042.
Embodiment three：
Induction type pressure electrocardio measuring device as shown in Figure 5, including：
Potential field sensor 101, for exporting initial electrocardiosignal；
Front-end filtering amplifying unit 102, for carrying out front-end filtering amplification to initial electrocardiosignal；
Front end AD conversion unit 103, for front-end filtering to be amplified after initial electrocardiosignal be converted to front-end digital
Electrocardiosignal；
Digital signal processing unit 104, for carrying out Digital Signal Processing to front-end digital electrocardiosignal；
Front end D/A conversion unit 105, for the front-end digital electrocardiosignal after Digital Signal Processing to be converted into front end
Analog electrocardiogram signal；
Non-essential resistance network 106, for carrying out partial pressure to front end analogue electrocardiosignal, obtains limbs electrocardiosignal；
Rear end filter and amplification unit 107, for carrying out rear end filter and amplification to limbs electrocardiosignal, obtains the rear end simulation heart
Electric signal；
Rear end AD conversion unit 108, for rear end analog electrocardiogram signal to be converted into back-end digital electrocardiosignal；
Master controller 109, for processing back-end digital electrocardiosignal, obtains EGC parameter.
Potential field sensor 101 can be arranged on electrocardio probe, it is also possible to be installed on the correspondence position of sick bed or chair
Place.Potential field sensor 101 can realize allowing the ecg measurement become very simple, without the winding of many wires, need not lie in specially
On sick bed, without smearing conduction liquid on skin, it is only necessary to electric potential field sensor 101 across medium (such as clothes,
Cotton, gauze etc.) AC signal in measurement space.Detection signal frequency range from 0.05Hz to 200MHz, frequency
Scope control can be adjusted by programming, and sensor output signal is square-wave signal, and bandwidth is from 0.5~40Hz.
One kind is achieved in that, high-precision analog device that programmable system on chip (PSOC) is internally integrated (including front end
Filter and amplification unit 102) faint potential field signal is converted into voltage signal, voltage signal noise now is very big, passes through
After front end AD conversion unit 103 and digital signal processing unit 104 (typically single-chip microcomputer or DSP) treatment, voltage signal
(or Human Physiology electric signal) has certain taper, and front end D/A conversion unit 105 converts digital signals into analog signal.
The design simulation of non-essential resistance network 106 be human limb impedance principle, exported like front end D/A conversion unit 105
The corresponding faint electrocardiosignal of cardiomotility of human body, by non-essential resistance network 106, (limbs for caing be compared to people hinder electrocardiosignal
It is anti-), that is, the voltage difference of difference is produced, the analog hardware circuit for having the pressure difference of body electrical signals, rear class can be carried more effectively
Take out useful signal.
Example IV：
Induction type pressure electrocardio measuring device as shown in Figure 6,201-209 is corresponding in turn to the 101-109 in embodiment three, its
In 202 include wave filter and amplifier.
Rear end filter and amplification unit 207 includes filter part 2071, amplifier unit 2072, difference part 2073, filters again
Part 2074 and again amplifier unit 2075, filter part 2071, amplifier unit 2072, again difference part 2073, filter part
2074 and amplifier unit 2075 is sequentially connected electrically again.Rear end filter and amplification unit 207 can be that discrete component is constituted, analog hardware
Circuit is filtered to the signal that outside resistor network 206 is input into, amplifies, difference, a series of conditioning such as filter, amplify again again
Sampled by rear end AD conversion unit 208 again after circuit, complete the extraction process of analog signal.Electrocardiosignal is by master controller
After the treatment such as 209 filtering algorithm, agc algorithm, electrocardiosignal QRS complex extraction algorithm, rate calculation algorithm, the heart is exported
The parameter such as electrical waveform signals and heart rate value.Induction type pressure electrocardio measuring device also includes interactive unit 210, including display, printing
The output such as machine and keyboard, input unit, interactive unit are typically patient monitor host computer.
Digital signal processing unit 204 includes digital filtering part and digital differential part, digital filtering part and numeral
Difference part is electrically connected.
Induction type pressure electrocardio measuring device also include feedback unit 2022, feedback unit 2022 front-end filtering is amplified after just
Beginning electrocardiosignal differential amplification, as the feedback signal as electrocardio reference potential.
Induction type pressure electrocardio measuring device also includes the first analog switch 2011, for switching potential field sensor 201, first
Analog switch 2011 is electrically connected to potential field sensor 201 and front-end filtering amplifying unit 202.
Second analog switch 2061, the port for selecting the corresponding non-essential resistance network 206 of front end analogue electrocardiosignal,
Second analog switch 2061 is electrically connected to front end D/A conversion unit 205 and non-essential resistance network 206.
First analog switch 2011 and the second analog switch 2061 can realize that selection induction type pressure electrocardio measuring device wants institute
The electrocardiosignal of the corresponding potential field sensor 201 for the treatment of.Preferably, induction type pressure electrocardio measuring device include 3,4,5
Individual, 7 or 10 potential field sensors 201, the electric potential signal for testing diverse location realize multi-lead EGC parameter.Bag
During containing 3 potential field sensors 201, potential field sensor 201 is respectively arranged in left arm (LA), right arm (RA) and left leg (LL),
The potential difference of measurement LA and RA, LL and RA and LL and LA point-to-point transmissions is referred to as standard I, II, III leads.Feedback unit 2022
The feedback signal of output as electrocardio reference potential, equivalent to traditional driven-right-leg circuit.Preferred feedback unit 2022 is defeated
Go out and feed back signal to conductive fabric, people is sitting on conductive fabric the interference that can eliminate the factors such as electrostatic.Digital signal processing unit 204
The gain of amplifier in feedback unit 2022 can be adjusted.Another situation is that a potential field sensor is also installed on right leg
201, that is to say, that induction type pressure electrocardio measuring device includes 4 potential field sensors 201.
For a person skilled in the art, technical scheme that can be as described above and design, make other each
Plant corresponding change and deform, and all these changes and deforms the protection model that should all belong to the claims in the present invention
Within enclosing.
Claims (10)
1. a kind of induction type electrocardio measuring method, it is characterised in that comprise the following steps：
Potential field sensor exports initial electrocardiosignal；
The initial electrocardiosignal carries out front-end filtering amplification；
Initial electrocardiosignal after to filter and amplification carries out analog-to-digital conversion, obtains front-end digital electrocardiosignal；
Digital Signal Processing is carried out to the front-end digital electrocardiosignal；
Digital-to-analogue conversion is carried out to the front-end digital electrocardiosignal after Digital Signal Processing, front end analogue electrocardiosignal is obtained；
The front end analogue electrocardiosignal carries out partial pressure by non-essential resistance network, obtains limbs electrocardiosignal；
Rear end filter and amplification is carried out to the limbs electrocardiosignal, rear end analog electrocardiogram signal is obtained；
Analog-to-digital conversion is carried out to the rear end analog electrocardiogram signal, back-end digital electrocardiosignal is obtained；
Master controller is processed the back-end digital electrocardiosignal, obtains EGC parameter.
2. induction type electrocardio measuring method as claimed in claim 1, it is characterised in that also include：The initial electrocardio is believed
Number obtain feedback signal through differential amplification, the feedback signal is used for as electrocardio reference potential.
3. induction type electrocardio measuring method as claimed in claim 1, it is characterised in that：It is described that the limbs electrocardiosignal is entered
Row rear end filter and amplification is specifically included：The limbs electrocardiosignal is filtered, is amplified, difference, filtered again, amplify again.
4. induction type electrocardio measuring method as claimed in claim 1, it is characterised in that：It is described that the front-end digital electrocardio is believed
Number carrying out Digital Signal Processing specifically includes：Digital filtering, digital differential are carried out to the front-end digital electrocardiosignal.
5. induction type electrocardio measuring method as claimed in claim 1, it is characterised in that：The potential field sensor output is initial
The potential field sensor of electrocardiosignal, specially the first analog switch selection exports initial electrocardiosignal；
Before the front end analogue electrocardiosignal carries out partial pressure by non-essential resistance network, also include：Selected by the second analog switch
Select the non-essential resistance network port.
6. a kind of induction type pressure electrocardio measuring device, it is characterised in that including：
Potential field sensor, for exporting initial electrocardiosignal；
Front-end filtering amplifying unit, for carrying out front-end filtering amplification to the initial electrocardiosignal；
Front end AD conversion unit, for front-end filtering to be amplified after initial electrocardiosignal be converted to front-end digital electrocardio letter
Number；
Digital signal processing unit, for carrying out Digital Signal Processing to the front-end digital electrocardiosignal；
Front end D/A conversion unit, for the front-end digital electrocardiosignal after Digital Signal Processing to be converted into front end analogue electrocardio
Signal；
Non-essential resistance network, for carrying out partial pressure to the front end analogue electrocardiosignal, obtains limbs electrocardiosignal；
Rear end filter and amplification unit, for carrying out rear end filter and amplification to the limbs electrocardiosignal, obtains rear end analog electrocardiogram
Signal；
Rear end AD conversion unit, for the rear end analog electrocardiogram signal to be converted into back-end digital electrocardiosignal；
Master controller, for processing the back-end digital electrocardiosignal, obtains EGC parameter.
7. induction type pressure electrocardio measuring device as claimed in claim 6, it is characterised in that：Also include feedback unit, the feedback
Unit front-end filtering is amplified after initial electrocardiosignal differential amplification, as the feedback signal as electrocardio reference potential.
8. induction type pressure electrocardio measuring device as claimed in claim 6, it is characterised in that：The rear end filter and amplification unit includes
Filter part, amplifier unit, again difference part, filter part and amplifier unit, the filter part, amplifier unit, difference again
Part, again filter part and amplifier unit is sequentially connected electrically again.
9. induction type pressure electrocardio measuring device as claimed in claim 6, it is characterised in that：The digital signal processing unit includes
Digital filtering part and digital differential part, the digital filtering part and digital differential part are electrically connected.
10. induction type pressure electrocardio measuring device as claimed in claim 6, it is characterised in that also include：
First analog switch, for switching the potential field sensor, first analog switch electrically connects the electric potential field and passes
Sensor and front-end filtering amplifying unit.
Second analog switch, for selecting the corresponding non-essential resistance network port of front end analogue electrocardiosignal, second simulation
The switch electrical connection front end D/A conversion unit and non-essential resistance network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910648.1A CN106691432B (en) | 2016-10-19 | 2016-10-19 | Induction type electrocardio measuring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910648.1A CN106691432B (en) | 2016-10-19 | 2016-10-19 | Induction type electrocardio measuring method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106691432A true CN106691432A (en) | 2017-05-24 |
| CN106691432B CN106691432B (en) | 2023-04-21 |
Family
ID=58940266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610910648.1A Active CN106691432B (en) | 2016-10-19 | 2016-10-19 | Induction type electrocardio measuring method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106691432B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141763A (en) * | 1995-07-28 | 1997-02-05 | 北京新兴生物医学工程研究发展中心 | Standard cardioelectric lead meauring method without wilson network |
| WO2001005036A2 (en) * | 1999-07-09 | 2001-01-18 | Telital R & D Denmark A/S | Digital to analogue converting device |
| US20020072682A1 (en) * | 2000-07-18 | 2002-06-13 | Hopman Nicholas C. | Wireless electrocardiograph system and method |
| JP2002224069A (en) * | 2001-02-07 | 2002-08-13 | Japan Science & Technology Corp | Body surface multi-lead electrocardiogram device and analytical method using this device |
| CN101524272A (en) * | 2008-03-04 | 2009-09-09 | 李平 | Digital pick-up device for body surface cardiac electric signals |
| CN102599901A (en) * | 2012-02-10 | 2012-07-25 | 无锡先凯智能科技有限公司 | Physiological weak current signal acquiring and processing system and device |
| US20140228665A1 (en) * | 2010-06-08 | 2014-08-14 | Alivecor, Inc. | Two Electrode Apparatus and Methods for Twelve Lead ECG |
| WO2014169550A1 (en) * | 2013-04-17 | 2014-10-23 | 深圳市科曼医疗设备有限公司 | Electrocardiograph signal collecting device and collecting method |
| CN104382583A (en) * | 2014-11-12 | 2015-03-04 | 深圳市理邦精密仪器股份有限公司 | Device and method for collecting 18 lead electrocardio signals |
| CN104490387A (en) * | 2014-09-17 | 2015-04-08 | 中国科学院上海微系统与信息技术研究所 | Wireless, portable and wearable electrocardiogram detector capable of restraining motion interference |
| CN204581270U (en) * | 2015-04-20 | 2015-08-26 | 深圳市杰纳瑞医疗仪器股份有限公司 | A kind of vicarious cardiographic detector |
| US20160287128A1 (en) * | 2014-09-23 | 2016-10-06 | Rr Sequences Inc. | Contactless electric cardiogram system |
| CN206534637U (en) * | 2016-10-19 | 2017-10-03 | 深圳市杰纳瑞医疗仪器股份有限公司 | Induction type pressure electrocardio measuring device |
-
2016
- 2016-10-19 CN CN201610910648.1A patent/CN106691432B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141763A (en) * | 1995-07-28 | 1997-02-05 | 北京新兴生物医学工程研究发展中心 | Standard cardioelectric lead meauring method without wilson network |
| WO2001005036A2 (en) * | 1999-07-09 | 2001-01-18 | Telital R & D Denmark A/S | Digital to analogue converting device |
| US20020072682A1 (en) * | 2000-07-18 | 2002-06-13 | Hopman Nicholas C. | Wireless electrocardiograph system and method |
| JP2002224069A (en) * | 2001-02-07 | 2002-08-13 | Japan Science & Technology Corp | Body surface multi-lead electrocardiogram device and analytical method using this device |
| CN101524272A (en) * | 2008-03-04 | 2009-09-09 | 李平 | Digital pick-up device for body surface cardiac electric signals |
| US20140228665A1 (en) * | 2010-06-08 | 2014-08-14 | Alivecor, Inc. | Two Electrode Apparatus and Methods for Twelve Lead ECG |
| CN102599901A (en) * | 2012-02-10 | 2012-07-25 | 无锡先凯智能科技有限公司 | Physiological weak current signal acquiring and processing system and device |
| WO2014169550A1 (en) * | 2013-04-17 | 2014-10-23 | 深圳市科曼医疗设备有限公司 | Electrocardiograph signal collecting device and collecting method |
| CN104490387A (en) * | 2014-09-17 | 2015-04-08 | 中国科学院上海微系统与信息技术研究所 | Wireless, portable and wearable electrocardiogram detector capable of restraining motion interference |
| US20160287128A1 (en) * | 2014-09-23 | 2016-10-06 | Rr Sequences Inc. | Contactless electric cardiogram system |
| CN104382583A (en) * | 2014-11-12 | 2015-03-04 | 深圳市理邦精密仪器股份有限公司 | Device and method for collecting 18 lead electrocardio signals |
| CN204581270U (en) * | 2015-04-20 | 2015-08-26 | 深圳市杰纳瑞医疗仪器股份有限公司 | A kind of vicarious cardiographic detector |
| CN206534637U (en) * | 2016-10-19 | 2017-10-03 | 深圳市杰纳瑞医疗仪器股份有限公司 | Induction type pressure electrocardio measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106691432B (en) | 2023-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hong et al. | A 4.9 mΩ-sensitivity mobile electrical impedance tomography IC for early breast-cancer detection system | |
| CN101194836B (en) | Method and device for eliminating interference in bio-electrical impedance measurement | |
| CN109171702A (en) | A kind of measuring device and measurement method of contactless electrocardiosignal | |
| WO2005094674A1 (en) | Active, multiplexed digital electrodes for eeg, ecg and emg applications | |
| CN101822540A (en) | Myoelectricity amplifier and method for sampling myoelectricity signals | |
| JP2016538036A (en) | Ultra-high impedance sensor with applications in neurosensing | |
| CN206822623U (en) | A kind of portable physiological signal acquisition amplifier | |
| CN102949783B (en) | Feedback controlled wearable upper limb electrical stimulation device | |
| CN105232034A (en) | Electrode and circuit multiplex structure for detecting electrocardiograph signals and human impedance | |
| CN201542630U (en) | Novel electrocardio-recorder | |
| EP3280316B1 (en) | System and method for processing signals from intracardiac catheters | |
| CN107788968A (en) | A kind of contactless multi-lead electrocardiogram monitor system based on array type capacity electrode | |
| CN106510696A (en) | Active noise control digital electrode collecting system and collecting method thereof | |
| Bednar et al. | The impact of active electrode guard layer in capacitive measurements of biosignals | |
| Catacora et al. | Three-electrode double-differential biopotential amplifier for surface EMG Measurements | |
| CN110338782A (en) | A kind of super low-power consumption single lead electrocardiogram falls off automatic detection circuit and method | |
| CN101904744B (en) | Anti-jamming circuit for myoelectricity evoked potential diagram instrument | |
| CN206534637U (en) | Induction type pressure electrocardio measuring device | |
| CN107212863A (en) | Human heart bounce impact force detection system | |
| CN204581270U (en) | A kind of vicarious cardiographic detector | |
| CN104188651B (en) | Electrocardiograph monitoring device and its control method | |
| CN106691432A (en) | Inductive electrocardio measurement method and instrument | |
| CN106510691A (en) | Electrocardiograph signal acquisition front end | |
| CN217408828U (en) | Electroencephalogram data acquisition system based on NB-Iot | |
| CN209236145U (en) | A kind of hand-held myoelectricity acquisition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |