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WearablesHealth & Wellness
VitalLink
AI Smart Health Patch based on nRF9160
LTE-M medical patch for elderly patients that tracks vitals and detects falls without a smartphone.
Fall Detection
97%
Battery Life
14 Days
VitalLink
Client
A digital health company providing remote patient monitoring solutions for elderly adults living independently, without requiring a smartphone or home Wi-Fi.
Challenge
Creating a wearable patch that provides continuous vital sign monitoring and automatic fall detection with direct cellular connectivity, in a form factor comfortable for 24/7 wear.
Product Concept & Architecture
The Nordic nRF9160 SiP provides LTE-M/NB-IoT cellular connectivity and application processing. A BMI270 IMU detects motion and falls. A MAX30102 PPG sensor measures heart rate and SpO2. The device is IP67-rated and charges via contactless pogo pins.
Engineering Solution
The Zephyr RTOS firmware implements a dual-stage fall detection pipeline: first, the BMI270's built-in step detector and significant-motion interrupt wakes the nRF9160 from deep sleep. Second, a TinyML random forest classifier on the Cortex-M33 analyzes the IMU 1-second window pre/post trigger to distinguish true falls from false triggers. On confirmed fall, the device sends an LTE-M alert with GPS coordinates within 5 seconds.
Result
97% fall detection sensitivity, <2% false positive rate. 14-day battery life. CE marked as Class IIa medical device.
Deep Tech FAQ
What makes the AI Smart Health Patch based on nRF9160 unique?+
The AI Smart Health Patch based on nRF9160 leverages custom hardware and edge AI to deliver industry-leading performance and efficiency.
What are the core technical benefits?+
Key benefits include low power consumption, real-time processing, robust connectivity, and a compact form factor tailored for deployment.
Can this architecture be adapted for other use cases?+
Absolutely. The underlying methodology is modular and can be retargeted for various applications with minimal redesign.
Project Profile
Services Delivered
Hardware DesignEmbedded SoftwareRF Design
Core Technologies
LTE-M/NB-IoTGNSSZephyr RTOS
Silicon & Vendors
NordicTI
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