Health-tech · IoT
Medical Devices
Clinical-grade BLE device integrations
- Role
- Flutter Developer
- Timeline
- 2025 — 2026
- Category
- Health-tech
- Outcome
- Deployed in clinical and hospital settings
FlutterBLE/GATTBluetoothPDF EngineSQLiteAES Encryption
Overview
Healthcare Flutter platform integrating multiple BLE medical devices — HbA1c analyzers, Lysun monitors, blood pressure cuffs, and scales — with dynamic PDF/Excel report generation and encrypted data workflows.
Challenge
Each medical device spoke its own BLE GATT dialect, and clinicians needed accurate, auditable reports — with patient data kept secure on-device across both Android and iOS pairing flows.
Solution
Abstracted 4+ device protocols behind a unified streaming layer, added encrypted local storage, and built a templated PDF/Excel report engine so clinical measurements flowed from cuff to audit trail without manual transcription.
Key work
- BLE GATT protocol implementations for 4+ medical device types
- Real-time clinical measurement streaming and visualization
- Dynamic PDF report generation with customizable templates
- Patient data management with encrypted local storage
- Excel export for clinical audit trails
- Native Android/iOS Bluetooth permission and pairing flows
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