MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641056292 A) filed by Rajalakshmi Engineering College on May 04, 2026, for Secure Cross-Hospital Data Aggregation Via Aadhaar-Linked Smart Contracts And Hapi Fhir For Indian Healthcare.
Inventors include Dr. M. Thangamani; N. Hariharan; and B. Lalitha.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: An Aadhar-integrated blockchain-powered healthcare data interoperability platform with emergency override access is disclosed. The system unifies patient medical records across disparate Indian hospital systems through FHIR standardization linked to Aadhar-verified digital identity. A blockchain-based consent management module enables patients to grant or revoke granular access permissions to healthcare providers via smart contracts, with all consent actions immutably logged as tamper-proof transactions. Role-based access control and authentication ensure secure data retrieval while maintaining clinical workflow efficiency. An emergency override module allows authorized clinicians to immediately access complete patient medical history during critical situations where patients are unconscious or incapacitated, with all emergency accesses automatically audited on the blockchain. The distributed architecture decouples clinical FHIR data storage from consent and audit logic, providing cybersecurity resilience against ransomware, insider threats, and identity fraud prevalent in Indian healthcare while ensuring regulatory compliance, patient sovereignty, and seamless record portability across 50,000+ healthcare facilities without reliance on vulnerable centralized databases. This invention describes a secure system for sharing healthcare data between hospitals using Aadhaar-based identity verification, blockchain smart contracts, and HAPI FHIR standards. It solves common problems such as scattered patient records, identity misuse, and lack of proper consent control. Each patient is uniquely identified using Aadhaar, and medical data from different hospitals is combined into a single standardized record. Patient permission for data access is managed through blockchain, ensuring that all actions are recorded permanently and cannot be altered. The system also includes role-based access for healthcare providers and an emergency access feature that allows doctors to view patient records when the patient is unable to give consent, with all such actions recorded for review. By separating data storage from consent control and using standardized formats, the system improves security, data sharing, and continuity of treatment while maintaining patient privacy and compliance with healthcare regulations.
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