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Industrial Research And Consultancy Centre
Patent
Design Considerations for Transmitter and Receiver for Personal Health Care Applications
Abstract

This invention is a low-cost, low-power wireless system designed to monitor vital health signs like heart activity (ECG) and blood oxygen levels (SpO2) remotely. It uses advanced technology to send health data from a wearable transmitter to a nearby receiver, which then sends the information to a mobile device like a phone or tablet. This system is reliable and easy to use, making it ideal for early detection of serious health issues, especially in areas with limited access to healthcare.

                  Figure (1) Micrograph of the FSK TX [Transmitter];                          (2) Micrograph of the low IF RX [Receiver] custom ICs of Bio-WiTel system

Problem Statement

The growing prevalence of cardiovascular diseases (CVDs) and respiratory illnesses, particularly in low- and middle-income countries, underscores the necessity for early and accessible diagnostic tools. Traditional healthcare infrastructures often fall short in providing timely and cost-effective diagnostics, leading to preventable fatalities. The advent of advanced wireless communication, sensor technologies, and integrated circuits offers a viable solution for remote health monitoring. By establishing a robust communication system within the Med Radio spectrum band, this invention enables continuous, non-invasive monitoring of vital health parameters like ECG and blood oxygen levels (SpO2). This approach not only facilitates early detection and management of life-threatening conditions but also extends healthcare reach, allowing a single specialist to monitor multiple patients simultaneously, thus addressing critical gaps in current healthcare delivery systems.

Uniqueness of the Solution
  • Enhanced Signal Processing: This technology incorporates an injection inverter between a three-stage and a nine-stage ring oscillator for enhanced signal processing. 
  • Stable Duty Cycle: It utilizes an edge combiner with symmetric gates to maintain a stable duty cycle for the transmitter output. 
  • Flexible Signal Reception: It features a receiver with a Local Oscillator (LO) and programmable demodulator for flexible signal reception. 
  • Wireless Communication: It establishes a reliable wireless communication link in the MedRadio Spectrum band, ensuring minimal power consumption. 
  • Suitable for Widespread Usage: It achieves low power and low cost, making the system suitable for widespread use in medical applications.
Prototype Details

Wireless link has been successfully tested for ECG and SpO2 under actual operating conditions with the fabricated transmitter and receiver packaged test chips.

Current Status of Technology

Wireless link has been successfully tested for ECG and SpO2 under actual operating conditions with IC packaging.

Technology readiness level

4

Societal Impact

This technology enables early detection and continuous monitoring of serious health conditions like heart disease and respiratory issues. Hence, the system can significantly reduce mortality rates and improve overall health outcomes, especially in underserved regions. This low-cost, easy-to-use system makes advanced medical diagnostics accessible to people in low and middle-income countries, bridging the gap in healthcare availability and ensuring more equitable health services.

Applications or Domain

It has healthcare benefits with applications in Medical Devices & Telemedicine:

  • Enables continuous remote monitoring of vital health parameters like ECG and SpO2 levels for early disease detection
  • Facilitates healthcare delivery in low and middle-income regions by providing cost-effective and reliable wireless diagnostic tools

Geography of IP

Type of IP

Application Number

201621001014

Filing Date
Grant Number

408641

Grant Date
Assignee(s)
Indian Institute of Technology Bombay
**This IP is owned by IIT Bombay**