Overlength time-histories cardiac telemetry monitor based on exterior buckle type electrodeTechnical field
This utility model relates to a kind of electro-cardiograph, belongs to medical instruments field, relates in particular to a kind of overlength time-histories cardiac telemetry monitor based on exterior buckle type electrode.
Background technology
Investigate demonstration according to authority, cardiovascular disease has become one of world population main causes of death.The number of dying from every year cardiovascular disease accounts for 1/3rd of total toll.Therefore, have great significance for saving life for discovery, prevention, treatment and the rescue of anomalous ecg situation.Electrocardiogram (Electrocardiogram, ECG) is the generation of the each cardiac cycle cardiac of the reflection excitement of recording out by body surface, in conduction and recovery process with bio electricity variation.It is measured as the electrical activity of main reflection heart excitement, is the research emphasis in heart disease diagnosis field always.
Along with the development of the modern biomedical engineering theories such as electronic engineering, quasiconductor, integrated circuit, sensor, computer science, Internet, transmission of wireless signals and reception, Medical power and technology, the various instrument and equipments of measuring for human body electrocardio figure are there are.Its basic functional principle is to obtain electrocardiosignal by medical sensor electrocardioelectrode, cardiac diagnosis lead-line, by ecg amplifier, electrocardio filter process, can directly trace or by analog/digital signal conversion computing, with digital signal form show, printing, storage, wireless transmission or Internet Transmission.
Aspect noinvasive electrocardiographic diagnosis, dynamic electrocardiographic recording system conventionally can 24～72 hours surface electrocardiograms of continuous record, but still can miss record and have the accidental abnormal electrocardiogram event of clinical diagnosis meaning.And in recording process, recording equipment and conducting wire can make measured feel uncomfortable, inconvenient, affect its daily life.Long-time section type electrocardiogram acquisition recorder, by system identification or patient's active operation automatically, sheet segment record has the electrocardiogram of clinical diagnosis meaning, but can the system of omitting cannot differentiate, mistake differentiates, or asymptomatic but have the electrocardiogram event of clinical diagnosis meaning.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of overlength time-histories cardiac telemetry monitor based on exterior buckle type electrode is provided, by adopting exterior buckle type electrode slice, is convenient to change electrode slice, to extend time-histories.
For solveing the technical problem, this utility model provides following technical proposals: a kind of overlength time-histories cardiac telemetry monitor based on exterior buckle type electrode, formed by electrocardioelectrode and microelectronic modules, outside is coated with silica gel shell, described microelectronic modules comprises electrocardiogram acquisition conditioning module, MCU control module, memory module, radio receiving transmitting module and battery and power management module, powered to modules by battery and power management module, wherein:
Described electrocardioelectrode is made up of electrode cap and electrode slice, is electrically connected with microelectronic modules by signals collecting connecting line, and wherein, described electrode slice is provided with electrode button, is connected with electrode cap by electrode button; Described electrode cap peripheral hardware welding groove, for being fixedly connected with signals collecting connecting line, establishes spring leaf in electrode cap, the coated miscellaneous part except electrode slice of silica gel shell, and described electrode slice is connected with spring leaf exterior buckle type by electrode button;
Described electrocardioelectrode, electrocardiogram acquisition conditioning module, MCU control module and memory module are electrically connected in turn, and radio receiving transmitting module is connected with MCU control module, for real-time Transmission ECG data.
This utility model electrode slice is changed convenient.
On the basis of such scheme, for ensureing after described electrode and electrode cap snapping, junction sealing, described silica gel shell and the contact surface of electrode slice are provided with two-sided colloid, buckle into after electrode slice two-sided colloid and the laminating of silica gel body seal.Described two-sided colloid is replaceable.Described silica gel shell can be by injection mo(u)lding, buckles into after electrode slice, and two-sided colloid and the laminating of silica gel body seal, realize the two-sided adhesion of electrode slice and whole device, sticks and do not come off for a long time, meets the medical requirement of life-time service without infection, ne-leakage.
On the basis of such scheme, described electrode cap adopts the silver-plated or gold-plated material of copper of copper, and external diameter is 7.5mm～9.5mm, and thickness is 2.5mm～3.5mm.The electrode cap that the relatively common external diameter of this utility model is 12mm, its volume is little, lightweight, in the situation that not changing electrode cap and being connected with electrode slice exterior buckle type, reduce the weight and volume of electrode cap, do not increase electrocardioelectrode height, make this utility model structure frivolous, be suitable for portable use.
On the basis of such scheme, described MCU control module, the analog-digital converter (ADC) of built-in 12, and be provided with SPI interface and be connected with memory module and radio receiving transmitting module respectively.
Principle is: comprise the amplification of low-power consumption prime, filtering, anti-baseline drift, anti-high pressure, special A/D conversion, electrocardiogram acquisition modulate circuit electrocardiogram acquisition conditioning module, to after electrocardiosignal conditioning, export to MCU control module through ADC, detect after electrocardiosignal, through low-power consumption amplifier and amplifying signal, export to MCU control module, through SPI interface, gathered data are stored in to memory module, and the electrocardiogram (ECG) data in memory module is sent to the terminal with receiving system and ecg analysis processing system by radio receiving transmitting module.
On the basis of such scheme, described memory module is Nand-flash memorizer, adopts Nand-flash chip, realizes the ultra-long time storage of electrocardiosignal, and storage natural law reaches 30 days.
On the basis of such scheme, described radio receiving transmitting module comprises RF chip, 2.4G antenna and antenna-matching circuit, realize gathering wireless transmission and the receiving computer system command of electrocardiogram (ECG) data, and can by data in memory module with wireless mode with receiving system and there is the computer of ecg analysis processing system to be connected, realize data and instruction radio communication.
On the basis of such scheme, for meeting system low-power consumption requirement, described battery and power management module, utilize the sub-battery powered of lithium of 3.6V, adopts low pressure difference linear voltage regulator (LDO) output 1.25V, 1.5V, 2.8V three-gear voltage.
Usefulness of the present utility model is:
1, this utility model structure is frivolous, is suitable for portable use.
2, electrode slice is connected with electrode cap exterior buckle type, facilitates electrode slice to change, and by increasing two-sided colloid, realizes the two-sided adhesion of electrode slice and silica gel shell, sticks for a long time difficult drop-off.
3, adopt Nand-flash chip, realize the ultra-long time record of electrocardiosignal.
4, adopt wireless data transmission technology, reduce and avoid that recording equipment and conducting wire bring to measured uncomfortable, be inconvenient to feel, do not affect its daily life.
Brief description of the drawings
Fig. 1 is the partial enlarged drawing that this utility model electrode cap is connected with electrode slice exterior buckle type;
Fig. 2 is the upward view after this utility model embodiment mono-installing electrodes sheet;
Fig. 3 is the not A-A cutaway view of installing electrodes sheet of this utility model Fig. 2;
Fig. 4 is structured flowchart of the present utility model;
Fig. 5 is the upward view after this utility model embodiment bis-installing electrodes sheets;
1---electrocardioelectrode;
11---electrode cap;
111---welding groove; 112---spring leaf;
12,12 '---electrode slice;
121---electrode button;
2---microelectronic modules;
21---electrocardiogram acquisition conditioning module; 22---MCU control module;
23---memory module; 24---radio receiving transmitting module;
25---battery and power management module;
3,3 '---silica gel shell;
4---signals collecting connecting line;
5---two-sided colloid.
Detailed description of the invention
For technological means, creation characteristic that this utility model is realized, reach object and be easy to understand, further set forth this utility model below in conjunction with accompanying drawing.
embodiment 1
If Fig. 1 is that partial enlarged drawing, Fig. 2 that this utility model electrode cap is connected with electrode slice exterior buckle type are that upward view, Fig. 3 after this utility model embodiment mono-installing electrodes sheet is that A-A cutaway view and Fig. 4 of installing electrodes sheet are not structured flowchart of the present utility model to this utility model Fig. 2.
As shown in Figures 1 to 4, a kind of overlength time-histories cardiac telemetry monitor based on exterior buckle type electrode, formed by electrocardioelectrode 1 and microelectronic modules, outside is coated with silica gel shell 3, described microelectronic modules 2 as shown in Figure 4, comprise: electrocardiogram acquisition conditioning module 21, MCU control module 22, memory module 23, radio receiving transmitting module 24 and battery and power management module 25, powered to modules by battery and power management module 25, described electrocardioelectrode 1, electrocardiogram acquisition conditioning module 21, MCU control module 22 and memory module 23 are electrically connected in turn, radio receiving transmitting module 24 is connected with MCU control module 22, be used for real-time Transmission ECG data to peripheral hardware PC,
As shown in Figure 1, described electrocardioelectrode 1 is made up of electrode cap 11 and electrode slice 12, is electrically connected with microelectronic modules 2 by signals collecting connecting line 4, and described electrode slice 12 is provided with electrode button 121, is connected with electrode cap 11 by electrode button 121; Described electrode cap 11 peripheral hardware welding grooves 111, be used for being fixedly connected with signals collecting connecting line 4, in electrode cap 11, establish spring leaf 112, the coated miscellaneous part except electrode slice 12 of silica gel shell 3, described electrode slice 12 is connected with spring leaf 112 exterior buckle types by electrode button 121.
Described MCU control module 22, the ADC of built-in 12, and be provided with the single-chip microcomputer of SPI interface, be connected with memory module 23 and radio receiving transmitting module 24 respectively through SPI interface.In the present embodiment, the electrocardiogram acquisition conditioning module 21 that employing comprises the amplification of low-power consumption prime, filtering, anti-baseline drift, anti-high pressure, special A/D conversion, electrocardiogram acquisition modulate circuit, by the faint electrocardiosignal detecting, through low-power consumption amplifier and after amplifying, export to MCU control module 22 through ADC, and through SPI interface, gathered data are stored in to memory module 23, or send the terminal with receiving system and ecg analysis processing system to by radio receiving transmitting module 24.
Described memory module 23 is Nand-flash memorizer, adopts Nand-flash chip, realizes ultra-long time (30 days) storage of electrocardiosignal.
Described radio receiving transmitting module 24 comprises RF chip, 2.4G antenna and antenna-matching circuit, realize gathering wireless transmission and the receiving computer system command of electrocardiogram (ECG) data, and interior memory module 23 data can be connected with computer with wireless mode, realize data and instruction radio communication.
Described battery and power management module 25, utilize the sub-battery powered of lithium of 3.6V, adopts LDO that 1.25V, 1.5V, 2.8V three-gear voltage are provided, and meets system low-power consumption requirement.
Described silica gel shell 3 is by injection mo(u)lding, the contact surface of itself and electrode slice 12 is provided with two-sided colloid 5, as shown in Figure 1, pack into after electrode slice 12, two-sided colloid 5 is fitted with silica gel shell 3, realizes sealing completely, realizes the two-sided adhesion of electrode slice and whole device, stick and do not come off for a long time, meet the medical requirement of life-time service without infection, seepage.
On the basis of such scheme, described electrode cap 11 adopts the silver-plated or gold-plated material of copper of copper, external diameter is 7.5mm～9.5mm, thickness is 2.5mm～3.5mm, has little, the lightweight clear superiority of volume, by this optimal design, in the situation that not changing electrode cap 11 and being connected with electrode slice 12 exterior buckle types, alleviate the weight of electrode cap 11, do not increase electrocardioelectrode 1 height, be suitable for portable use.
This utility model adheres to skin, can send a signal to the computer system with receiving function by wireless mode, then send to server or electro cardio signal workstation by network or mobile phone after unlatching.
This utility model working method is as follows: when standby, microelectronic modules 2 maintains under the low-power consumption mode of 31KHz crystal oscillator, now least in power-consuming, and standby current is 150uA; Every 5ms interval gathers a secondary data, image data and storage when data single-chip microcomputer be operated in the fast mode of 8MHz crystal oscillator, gather and stored rear single-chip microcomputer and turn back to the low-power consumption mode of 31KHz crystal oscillator; For a long time in low power mode of operation, average current 326.5uA, the battery electric quantity 7.836mAh consuming for a day, 30 days required electric quantity consumption 235.08mAh.The sub-battery electric quantity of lithium of selecting is 550mAh, considers battery redundancy and security of system, according to battery, power consumption 50% is calculated, and can realize the data acquisition, storage and the data transmission that exceed 30 days.
This utility model uses step as follows:
1, cleaning-sterilizing is carried out in position to be pasted, testee front.
2, confirm to be applicable to adhering to obtain good Electrocardiographic record position for a long time, as: can have an electro-cardiogram and find out by routine electrocardiogram machine.
3, electrode slice 12 is connected with electrode cap 11 exterior buckle types, uses two-sided colloid 5 by electrode slice 12 and silica gel shell 3 firm pastings.
4, this utility model is sticked to the record position of having tested, the unlatching that pushes button, to paste position and sticking effect test.Test is normal, exits test, starts normal recordings; It is undesired to test, and suspends test by button, changes paste position until obtain better electrocardiogram.
5,, in use procedure, when electrode slice 12 arrived after service life, testee can press the button and suspend data storage, the electrode slice 12 more renewing and two-sided colloid 5.After electrode slice 12 is reinstalled, can again press the button recovery system test.So accumulative total stream time, can recording ecg 30 days.
6, duration of work, can be according to setting, in real time, regularly or with electrocardio setting kind event occur as driving, by radio frequency (RF) wireless data transmission technology, receiving system by ECG Data Transmission Based to testee's adnexa, as computer, by the Internet, electrocardiogram (ECG) data is uploaded to specific data server automatically and analyzes identifying processing; Also can pass through smart mobile phone, with wireless mobile information transmission means, electrocardiogram (ECG) data is uploaded to specific data server automatically and analyze identifying processing.
7, testee's ecg information is stored in memory module 23.After test in 30 days finishes, can by data in this memory module 23 with wireless mode with receiving system and there is the computer of ecg analysis processing system to be connected, automatically carry out ecg analysis identification.Analysis result can show, print or be sent to the processing such as given server is further analyzed, adds up, storage by network remote.
8, for may appear at different parts divide segment record, accumulative total reaches the electrocardiogram (ECG) data of 30 days, utilize ecg analysis software can automatically identify the head and the tail position of each segment data, the different wave electrocardiogram (ECG) data of segment processing different parts, ensures seriality, the uniformity of overall electrocardiogram (ECG) data analyzing and processing.
embodiment 2
As shown in the upward view after Fig. 5 is this utility model embodiment bis-installing electrodes sheets, compared to the symmetrical structure of embodiment 1, the present embodiment two adopts dissymmetrical structure, and silica gel shell 3 ' is asymmetric shape, the installation site of electrode slice 12 ' is asymmetric, and all the other structures are identical with embodiment 1.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.