MUMBAI, India, April 17 -- Intellectual Property India has published a patent application (202641043224 A) filed by R Kalaiselvan; Kabhilan VA; Kamalesh P; and Dr. J. Navarajan, Chennai, Tamil Nadu, on April 4, for 'a portable breath analysis system for disease screening using multi gas sensors.'
Inventor(s) include R Kalaiselvan; Kabhilan VA; Kamalesh P; and Dr. J. Navarajan.
The application for the patent was published on April 17, under issue no. 16/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a portable breath analysis system for non-invasive disease screening using multiple gas sensors and a microcontroller-based processing unit. The system comprises a sensing unit including a plurality of gas sensors configured to detect gases present in human breath, a processing unit comprising a microcontroller configured to receive and analyze sensor outputs, and an output unit configured to indicate the health condition of a user. The gas sensors are capable of detecting biomarkers such as acetone, ammonia, carbon monoxide, carbon dioxide, and volatile organic compounds, which are associated with metabolic and physiological conditions including diabetes, kidney disorders, and respiratory diseases. The system operates by collecting a breath sample from the user, detecting gas concentrations through the sensors, converting analog signals into digital values using the microcontroller, and processing the data using a threshold-based analysis algorithm. The analyzed results are then displayed in real-time to provide an indication of normal or abnormal conditions. The system is enclosed within a compact and portable structure, enabling easy use in various environments including home healthcare and clinical screening. The invention provides a low-cost, non-invasive, and real-time monitoring solution that reduces dependency on traditional laboratory-based diagnostic methods. Furthermore, the system may be enhanced with wireless communication and advanced data analysis techniques for improved performance and remote monitoring applications."
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