MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202541124460 A) filed by Saveetha Institute Of Medical And Technical Sciences, Chennai, Tamil Nadu, on Dec. 10, 2025, for 'hydrogel based skin patch device for non invasive glucose monitoring.'
Inventor(s) include Shruthi. M; Dr. Gunasekaran. N; and Deepak Nallaswamy Veeraiyan.
The application for the patent was published on Feb. 13, under issue no. 07/2026.
According to the abstract released by the Intellectual Property India: "Hydrogel-Based Skin Patch Device for Non-Invasive Glucose Measurement This invention provides a non-invasive glucose monitoring device comprising a disposable hydrogel patch and a reusable optical reader. The hydrogel patch consists of an adhesive backing, a hydrogel matrix for passive absorption of sweat or interstitial fluid, and an immobilized enzyme-indicator system, such as glucose oxidase with a colorimetric or fluorometric dye. Glucose interaction produces an optical change in the hydrogel, which is detected by the optical reader. The reader, incorporating a light source, optical sensor, microcontroller, and display or wireless module, converts the signal into a glucose estimate using calibration algorithms. This system enables painless, rapid, and cost-effective glucose measureii1ent, reducing reliance on invasive finger-prick tests. The invention is suitable for hospital wards, outpatient monitoring, and home healthcare, offering improved patient comfort and practical clinical utility."
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