CardiWear
We set out to design and fabricate a low cost electrocardiogram (ECG) device which can be easily used by someone with low technical expertise for round-the-clock ECG self-monitoring and feedback. The project consists of the hardware and software for a wireless (ECG) device, and a corresponding Andro
Project Title
CardiWear
Project Area of Specialization
Project Summary
We set out to design and fabricate a low cost electrocardiogram (ECG) device which can be easily used by someone with low technical expertise for round-the-clock ECG self-monitoring and feedback. The project consists of the hardware and software for a wireless (ECG) device, and a corresponding Android application which displays and records the user’s heart signal.
Project Objectives
The objectives of Cardiwear are:
- Making a low cost, compact and effective wearable alternative to conventional ECG machines.
- Making ECG results accessible by providing a mobile display of ones heartbeat.
- Using gel free electrodes for added comfort and ergonomics.
- Real-time ECG results on Cloud for storage and monitoring
Project Implementation Method
The approach and method that we will be adopting to achieve the required goal can be professed from the following vertical process.
•Testing Hardware and Obtaining the results.
•Signal Processing and Analog to Digital Conversion.
•Making the Application and viewing the results.
Benefits of the Project
- The framework for this project is the integration of wireless communication in medical applications for home healthcare.
- Patients are no longer bound to a specific healthcare location where they are monitored by medical instruments.
- Wireless communication will not only provide them with safe and accurate monitoring, but also the freedom of movement.
Applications
- Cardiologist can monitor the patient’s results remotely.
- Emergency Button in case of any cardiac emergency.
- Mostly used by the patients suffering from conduction abnormalities, rhythm disorders and other Cardiac diseases.
- 24 hour Real-Time ECG.
Technical Details of Final Deliverable
Hardware
The hardware component of the project has 8 main components: electrodes, the leads, an initial amplification stage, high-pass filter, notch filter, secondary amplification stage, low-pass filter.The INA126 and INA2126 are precision instrumentation amplifiers for accurate, low noise differential signal acquisition. Their two-op-amp design provides excellent performance with very low quiescent current (175mA/chan.). This, combined with wide operating voltage range of ±1.35V to ±18V, makes them ideal for portable instrumentation and data acquisition systems.
Then we have different filers that will clean the signal that INA126 fetches from the dry stainless steel electrodes. The LM741 amplifier offer many features which make their application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, as well as freedom from oscillations.
Software
The selection of the Bluetooth wireless communication protocol was an easy decision. Modern Android smart phones with the ability to run the application already have a Bluetooth radio, so no extra hardware is required in order to get the communication channel up and running.
In addition, the ECG component would be simple to pair using this technology; extremely similar to that of a commonly utilized audio headset or speaker. This means that it would be very simple for the average user to get the entire ECG system up and running on their mobile device.
The Android environment was chosen for ECG software for multiple reasons. One of the reason for choosing the Android platform is that it provides the option to run the app as a ‘service’, which allows it to run constantly in the background.
Final Deliverable of the Project
Type of Industry
Technologies
Sustainable Development Goals
Required Resources
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Arduino | Equipment | 1 | 3500 | 3500 |
| IC LM741 | Equipment | 5 | 300 | 1500 |
| Bluetooth module | Equipment | 1 | 1500 | 1500 |
| Dry electrodes | Equipment | 3 | 500 | 1500 |
| Database storage | Miscellaneous | 1 | 1000 | 1000 |
| Total in (Rs) | 9000 |
If you need this project, please contact me on contact@adikhanofficial.com
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