Madlab bioinformatics medical signal acquisition and processing system

1. Hardware parameters:

1. The instrument is compact and uses an integrated anti-interference power supply. The power supply is AC 220V. Except for the built-in transformer in the chassis, there is no need to connect any external transformer, so as to ensure that the instrument does not need any external ground wire to ensure that the display can be displayed during any bioelectrical experiment. The clarity and accuracy of bioelectrical signals. So as to ensure the anti-interference performance and accuracy of the machine. Patient leakage current <3mA.

2. The instrument has 4 channels, all of which are multifunctional fully controlled isolation amplifiers. The amplifiers of each channel can be used as bioelectric amplifiers, blood pressure amplifiers, bridge amplifiers, as well as spirometers, thermometers, etc. And each channel has an independent hardware module, which is independent of each other, which greatly increases the anti-interference ability between channels, and also brings great convenience to the maintenance and repair of the instrument.

3. Using high-precision 16-bit A/D conversion chip, the maximum sampling rate of single-channel hardware is 1000KHz. The hardware minimum sampling rate is 0.01Hz. The maximum sampling frequency of four-channel continuous sampling is 100kHz, and the sampling rate can be changed as needed during real-time sampling. Scanning speed: 0.05ms/div~3200s/div.

4. Amplifier input resistance ≥100MΩ (double-ended input) and 50MΩ (single-ended input), common mode rejection ratio ≥100dB, noise ≤±1μV (RMS) or ≤±3μV (P-P). Frequency Response: DC~20kHz. Input range: 5μV~500mV. Sensitivity: a) Bioelectric mode: 20uV/div~500mV/divb) Blood pressure mode 3.6-360(mmHg/div) 0.36-180(mmHg/div) (high sensitivity transducer)

5. AC and DC have the same gain: the range is 500mv, 200mv, 100mv, 50mv, 20mv, 10mv, 5mv, 2mv, 1mv, 500uV, 200uV, 100uV, 50uV, 20uV, 10uV, adjustable; 10V electrical signal can be directly input And the amplifier is not saturated. 

6. Low pass filter (hardware): 0.3 Hz, 3 Hz, 10Hz, 30Hz, 100Hz, 500Hz, 1kHz, 3kHz, 10kHz, OFF (20kHz). It has a filtering method of more than 5 orders.

7. Time constant (hardware): 0.001s, 0.002s, 0.02s, 0.2s, 1s, 5s, DC.

8. The main technical requirements of the photoelectric isolation program-controlled stimulator: with single stimulation, series single stimulation, continuous single stimulation, double stimulation, series double stimulation, continuous double stimulation, timing stimulation, intensity increasing stimulation, frequency increasing stimulation, wave width increasing stimulation , strong interval incremental stimulation, automatic serial double stimulation and other stimulation modes. Maximum load current: 100 mA, with positive current and negative current output modes, programmable output triangular wave, sine wave and other stimulation waves. Meet the national standard for safe electricity use in experiments, and will not cause electric shock due to misoperation. The output voltage is <=50V to meet the national safety electricity standard (an external synchronous stimulator can reach 120V).

9. Digital filter mode: 1) High-pass, low-pass, band-pass and band-stop with adjustable filtering parameters. 2) Zero-phase-shift digital filtering with adjustable order.

10. The hardware system includes ECG full-lead lead card, each channel can be used for ECG with 12 lead modes, the lead switching mode can be programmed, and there are 12 lead modes: Ⅰ, Ⅱ, Ⅲ, aVR, aVL , aVF, V1, V2, V3, V4, V5, V6.

11. Experiment environment data detection function, measure and add the ambient temperature, atmospheric pressure and humidity of the current experiment in the experiment information as the environmental parameters of the instrument experiment.

12. The instrument panel is equipped with a 1-inch OLED LCD screen to display the current experimental environment information.

13. Each channel has the function of automatic sensor identification, which is displayed on the LCD screen of the instrument panel. The software also recognizes and prompts the user to automatically set the corresponding sensor parameters.

14. Multiple (unlimited) software windows can be opened at the same time, and multiple experimental data waveforms can be inverted and analyzed at the same time.

15. It can be equipped with a medical network management teaching system for laboratory network teaching.

2. Software parameters:

1. The number of channels displayed by the software: 1 ~ 64 channels are variable; (the physical channel analog channel can be changed at any time)

2. Number of inversion files at the same time: 4 (multiple files can be opened for inversion at the same time);

3. Simultaneous sampling and inversion: During the real-time signal acquisition process, the previously recorded files can be opened at the same time for viewing, comparison, analysis and other operations;

4. When inverting the file, you can play the signal sound while playing the inversion waveform, such as playing the sound of decompression nerve discharge;

5. Channel differential sampling rate: Different channels can set different sampling rates for data sampling, and signals with different sampling rates can be recorded and displayed synchronously;

6. File list window: the user directly clicks the list file to open the inversion file;

7. Floating quick start window: users can directly start and stop the experiment for easy operation;

8. Appearance of the software: It can be changed by the user, and windows such as information display, stimulation, quick start, and file list can be opened or hidden, and all windows can be moved within the screen range;

9. Online experiment report editing: online experiment report editing function;

10. Experiment report, data upload and download (equipped with MadLab bioinformatics multimedia teaching software)

11. Embedded electronic textbooks in the software experiment module: including the purpose and principle of the experiment, experimental objects, experimental equipment and medicines, experimental steps and observation items, matters needing attention, thinking questions, videos of routine experimental operations, etc.;

12. Professional experimental knowledge display: various professional experimental skills can be displayed in the form of Flash files and streaming media;

13. The software is directly connected to the virtual simulation experiment center (users need to configure the virtual experiment simulation center): show more experimental knowledge for students;

14. Software automatic upgrade function: The software automatically searches for the latest version of the software on the server and reminds the user to upgrade. After the user confirms, it can be automatically upgraded, which is convenient for the user to quickly upgrade the software;

15. Automatic collection of user opinions: the software includes a user opinion collection window, any opinions input by users can be directly transmitted to the software developer, which is convenient for system improvement;

16. Video monitoring function: including video monitoring function;

17. Support waveform data export function, which can be opened by Matlab, Spss, Sas and other software. The open data interface can be customized for secondary development of the software. Users can write their own software to collect, record and analyze experimental waveform data.

18. Support external stimulus capture module and synchronous display with blood pressure and blood oxygen monitor. Micro-cycle synchronous video display and recording; and can be used with video teaching system. Record physiological signals and video signals synchronously, and support synchronous playback.

19. With data analysis functions: integration, differentiation, frequency histogram, sequence/non-sequence density histogram and two-dimensional and three-dimensional spectrum analysis, etc.

20. The software integrates a special pharmacological analysis toolbox, and integrates a variety of pharmacological analysis tools, such as: PA2 calculation, LD50 calculation completed by Bliss method, t test calculation, regression analysis, etc. With ECG automatic statistical analysis function. With heart rate variability (HRV) analysis function. It has special measurement and analysis functions for myocardial cell action potential, LTP, EEG, cell and nerve discharge. It has dynamic automatic measurement functions such as ECG, blood pressure, intraventricular pressure, pulse, and respiration. For quantitative respiratory flow measurement and respiratory mechanics index measurement function, and can do human lung ventilation measurement.

21. The supporting software can automatically update the software online; it has the function of counting the number and time of instrument usage. Automatically collect user feedback information online and solve user problems in a timely manner. The software can be matched with English version software, which is suitable for foreign education. Has a contextual help system.

22. The software has the function of splitting the oscilloscope (that is, the left-view function), which is used to observe the recorded waveforms at any time during the recording process, and can align related data analysis.

23. WINDOWS traditional software interface, the software is compatible with all 64-bit and 32-bit operating systems.

25. Has MadLab bioinformatics medical signal computer software copyright registration certificate and national registered trademark

Some published articles

1. The expression changes and correlation analysis of high mobility group box-1 and tissue factor in the serum of rats with sepsis

2.The Protective Effect of 1,25(OH)2D3 on Myocardial Function Is Mediated via Sirtuin 3-Regulated Fatty Acid Metabolism

3.Vitamin D/VDR regulates peripheral energy homeostasis via central renin-angiotensin system

4.The role and mechanism of LNCRNA in the cardioprotection of Sevoflurane postconditioning

For more literature, please consult: 400-016-4066
This parameter is the basic parameter of the equipment, please contact our company for specific parameters