Wearable medical smartwatch

Wearable medical smartwatch

EnCata engineered a wearable medical smartwatch with HR, HRV, and SpO₂ monitoring plus GPS, Wi-Fi connectivity. The system tracks vital signs and alerts doctors if health declines. The project spanned electronics, mechanical design and firmware development, leading to 10 MVPs.

Industry:

Healthcare

Healthcare

Consumer & wearable

Consumer & wearable

TRL:

7

Project duration:

1,5 years

Challenge

One of the biggest challenges for wearable gadgets is balancing battery life and features. Heart rate monitoring, a key function, uses a lot of power. We couldn't cut back on measurement frequency, as that could risk the user's safety—every second counts in emergencies.

The device needed to track vital health data (Heart Rate, Heart Rate Variability, Blood Oxygen Saturation) and send it through GPS or Wi-Fi. Wrong data could cause unnecessary panic for relatives or, worse, trigger a false ambulance call, putting the user’s life in danger.

EnCata had to figure out how to fit all the tech into a small, efficient device while ensuring accurate data transfer. Plus, we had to develop an MVP for user testing, all on a limited budget.

Our Role

  • Industrial design
  • Mechanical design
  • Enclosure design
  • PCB development
  • Embedded Software Development
  • Prototyping

Technologies Used

3D modelling
PCB design
Firmware
IoT
SMD
BGA
Movement, Acceleration
GPS, GPRS
Wi-Fi
GSM

For Enterprises

R&D + design + manufacturing under ONE roof
Scale up and down your team
Intergrated hardware + software development
New technologies and research 

For Startups

MVP and POC prototypes
Affordable consultancy rates
All IP is yours
In-house batch production

Approach & Solution

To speed up MVP development and stay within the customer’s budget, we chose a standard enclosure based on the industrial design we’d already established. This helped reduce mechanical development costs. Our engineers modified the enclosure, while our designers worked on the product stickers. Using a conventional enclosure meant no extra fabrication costs, and there was no need for painting or polishing. We also machined the necessary slots and holes without the need for additional tooling or rapid prototyping.

When developing the electronics, we went through several iterations. We found that antenna placement inside the enclosure is key to reliable communication, making sure the elements don't interfere with each other and affect the signal.

3D CAD model of the Printed Circuit Board

The proprietary algorithm for processing sensor data and translating it into HR, HRV, and SpO2 readings helps maximize the capabilities of the selected sensors while reducing the device’s battery consumption.

Based on the customer’s input, we developed our own algorithm for obtaining, processing, and analyzing raw data. This ensures reliable monitoring of HR, HRV, and SpO2 readings.

Need help with medical IoT development? Get in touch with us, and we’ll provide you with a project estimate quickly.

Results and Benefits

10 prototypes

with software for alpha and beta testing

3 algorithms

for HR, HRV, and SpO₂ data processing

$110K saved

by using a standard enclosure at MVP stage

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