Custom Wearable Health Monitoring Devices

From sensor selection and embedded firmware to cloud integration and EU MDR compliance, we design and build wearable health monitoring devices that work in clinical and consumer settings.
Discuss Your Project

Wearable Health Monitoring Devices Built for Clinical Reality

Many digital health teams have a clear vision for their wearable health monitoring devices but lack the technical capacity or regulatory clarity. We help you close that gap, assessing clinical context, sensor requirements, data architecture and regulatory pathway, building your product.

"Icon: a wearable watch tracking health data"

Design and Build Devices That Meet Clinical Requirements


Develop wearable health monitoring devices that function reliably in clinical and consumer settings, aligned with MDR and integrate into health data workflows.

"Icon symbolizing adherence to European compliance and certification standards in MedTech product development, including IEC 62304, ISO 13485, and MDR"

Stay Ahead of Compliance and Certification Requirements


Reduce the risk of regulatory delays by working within IEC 62304, ISO 14971, ISO 13485 and MDR-aligned development processes from the first sprint.

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Get the Capacity Your Internal
Team Cannot
Cover Alone


Keep the technical momentum with sensor selection, hardware scoping, embedded firmware, companion app development and cloud integration.

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How our Wearable Health Monitoring Devices Development Works

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1. Defining Project Scope & Feasibility

We start by assessing your clinical use case, target patient population, key health metrics and regulatory classification. For many clients this step runs as a standalone engagement before they commit to a full build.

"Icon: a sensor giving out signals in every direction."

2. Select Sensors & System Architecture

We turn the scoping results into a technical feasibility report. This includes sensor options, the system architecture and the MDR pathway that applies to your product.

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3. Hardware
and Firmware Engineering

We design and build the device itself: sensor integration, embedded firmware and low-power operation. Development follows IEC 62304-aligned processes, with traceability between requirements, design and tests.

"Icon: a phone displaying code with a cloud in the background."

4. Your Software, Apps
and Cloud Development
in Working Sprints

We build the companion apps and cloud infrastructure that complete your monitoring system. This includes working in sprints, with review checkpoints that involve your team at each stage.

"Icon representing MDR compliant software with ISO 13485 and IEC 62304 standards in medical software development"

5. Validation, Documentation
and Handoff + Ongoing
Support if Wanted

We run verification and validation testing and support clinical accuracy testing. You receive a production-ready codebase, a documentation package IEC 62304 and ISO 14971 aligned plus a clear next stage path.

Health Monitoring Applications We Support

Wearable health monitoring devices serve a range of clinical and consumer use cases. Our experience reaches across the following application areas.

1. Remote Patient Monitoring

Continuous vital sign tracking, threshold-based alerting and clinician dashboard integration. We build systems that map validated sensor readings to FHIR resources and sync with EHR platforms, supporting reimbursable RPM programmes with complete data collection audit trails.

"Illustration of an elderly person on a TV screen with body tracking points overlaid, captured by a motion sensor device placed below the television"

3. Rehabilitation and Post-surgical Tracking

Motion capture, joint range-of-motion measurement and exercise compliance monitoring, with real-time corrective feedback. We have built computer-vision and IMU-based rehabilitation systems that track movement quality and adapt therapy programmes based on collected data.

"Illustration of a doctor assisting an elderly patient with a digital tablet, showcasing a digital health solution empowering the patient, supported by a structured Healthcare IT architecture."

2. Chronic Disease Management

Devices and companion software for diabetes (continuous glucose monitoring), cardiovascular conditions, COPD, neurological disorders and sleep monitoring. These products require high sensor accuracy, reliable connectivity and, in most cases, a clear MDR classification and conformity.

"Illustration of a woman in a plank position with body tracking points overlaid and a fitness app showing activity, sleep and recovery data on a smartphone next to a kettlebell"

4. Fitness and Preventive Health

Activity, sleep and recovery tracking for non-clinical wellness applications. We integrate with Garmin Health APIs through our membership of the Garmin Developer Program and build personalisation engines that adapt coaching and reminders based on biometric feedback and user behaviour.

What Wearable Health Monitoring Devices We Develop

The full scope of a wearable health monitoring device extends beyond the hardware. Depending on your product and regulatory pathway, we cover the following deliverables.

Hardware
and Sensors


Our services include sensor evaluation and selection (ECG/EKG, SpO₂, PPG, temperature, accelerometer, EMG, EDA and continuous glucose monitoring), PCB design and custom hardware and schematic, layout and component selection, as well as DFM review.

Firmware, Software and Cloud

We develop embedded firmware, companion mobile apps for iOS and Android plus cloud backends and data pipelines (AWS IoT and Azure IoT or Azure). Additionally we provide dashboards with alerts and analytics for clinicians and patients.

"Icon representing MDR compliant software with ISO 13485 and IEC 62304 standards in medical software development"

Compliance
and Integration


We integrate FHIR and HL7 with existing EHR and health platform infrastructure. Our technical documentation includes IEC 62304-aligned software lifecycle documentation, a risk management file (ISO 14971) and a usability file (IEC 62366).

Solve Development Challenges

Building wearable health monitoring devices is demanding. Challenges we encounter and know how to solve.

"Icon: Document with rejection stamp and cross icon representing a failed certification"

EU MDR and
IEC 62304 Compliance
Fails


Wearable health monitoring devices collecting physiological data for clinics often qualify as Class I or IIa. Correct classification from the start ensures compliant develop-ment with IEC 62304, ISO 14971 and QMS.

"Icon: wireless sensor chip icon with a cross indicating a connectivity failure"

Sensor Accuracy and Signal
Integrity Will
not Work


Sensors often fall short of the required level of clinical accuracy. Selecting medical-grade sensors, processing signals to remove motion artefacts and drift and validating against clinical reference standards closes this gap.

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Battery Life and Low-Power Operation Seems Like a Problem


Constant monitoring puts pressure on battery life. So efficient microcontrollers and low-power firmware built on FreeRTOS can balance sampling frequency or on-device processing.

"Shield icon representing security and protection""Shield icon representing security and protection"

Data Security
and GDPR
Setup is
Difficult


Wearable health data falls under GDPR and, for clinical use, additional EU data protection requirements. End-to-end encryption, role-based access controls and ISO 27001 EU-hosting protects it.

"icon: cloud connectivity icon with upload and download arrows"

Connectivity
and Data
Pipeline
Reliability


Poor networks require reliable sensor-to-cloud pipelines. BLE, MQTT and on-device buffering capture local readings and synchronise when connectivity returns, with FHIR and HL7 integrated.

Why Develop Wearable Health Monitoring Devices with Punktum

Wearable health monitoring devices sit at the meeting point of hardware, firmware, software and regulation. We bring all four together under one roof, so you work with a single partner.

"Icon of a cloud with a wifi symbol and two arrows pointing up and down, representing cloud data upload and download connectivity"

Garmin Developer Program

As a member of the Garmin Developer Program, we got access to Garmin APIs for activity, sleep and biometric data integration across consumer and clinical applications.

"Document with pyramid icon representing the MDR Risk for Health Products position paper and alignment call deliverable"

MDR and Regulatory Expertise

Our MDR consulting team handles regulatory classification and technical documentation alongside the engineering work. You do not need a separate regulatory consultant.

"Icon of a smartwatch displaying a heart rate waveform with a checkmark badge, representing a verified wearable health tracker"

Proven
Wearable and IoT Delivery

We delivered wearable projects across home care, clinical diagnostics and animal health, from BLE wristbands and GSM communicators to AI-driven wearables.

Explore Our Wearable Technology Stack

A wearable health monitoring device is rarely just hardware. It needs a companion app, a cloud backend and a data pipeline behind it, which we cover in-house.

Device and Firmware

  • Nordic nRF52840
  • ARM Cortex-M4
  • Zephyr RTOS
  • Embedded C
  • TensorFlow Lite
  • PPG & IMU
  • STM32
  • ESP32
  • FreeRTOS
  • C++
  • NXP
  • ThreadX
  • Embedded Linux
"Icon representing a mobile app development process with code brackets on a smartphone screen, symbolizing the technical aspect of a diagnosis app."

Companion
Apps

  • Android
  • iOS
  • JavaScript
  • TypeScript
  • React.js
  • Angular
  • React Native
  • Flutter
  • Kotlin

Connectivity and IoT

  • Bluetooth, BLE
  • GSM
  • WiFi
  • Wireless communication
  • Zigbee
  • Thread
  • Matter
  • NFC
  • MQTT
  • UWB
  • LoRa / LoRaWAN
  • LTE Cat-M / NB-IoT
  • BLE Mesh
"Icon symbolizing data management with a server and gear, representing backend systems that store and process data for a diagnosis app."

Backend, Cloud and DevOps

  • Java
  • Spring Boot
  • Python
  • Django
  • AWS (EU-hosted)
  • Azure
  • Google Cloud Platform
  • Kubernetes
  • Terraform
  • Gitlab CI
  • OHV
  • AWS IoT
  • Azure IoT
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Data and
AI

  • Python
  • TensorFlow
  • PyTorch
  • NumPy
  • Pandas
  • Computer Vision
  • MLOps
  • Data science
  • OpenCV
  • ONNX
  • TensorRT
  • NPU (on-device inference)

Standards and Compliance

  • ISO 13485
  • IEC 62304
  • ISO 14971
  • IEC 62366
  • EU MDR
  • GDPR
  • ISO 27001
  • FHIR
  • HL7
  • OpenEHR
  • CRA
  • IEC 62443
  • ETSI EN 303645
  • Secure Boot

Clients We’ve Already Worked With

Your FAQs for our Wearable Health Monitoring Devices Development

Q1: What regulatory classification do wearable health monitoring devices typically fall under in the EU?

A1: Under EU MDR, wearable health monitoring devices that collect physiological data for clinical purposes typically fall into Class I (low risk, self-certified) or Class IIa (moderate risk, Notified Body required). The correct classification depends on the intended purpose and the specific health metrics the device measures. We establish classification in the scoping phase and align the entire development process accordingly.

Q2: How long does it take to develop a wearable health monitoring device?

A2: A Technical Feasibility Assessment typically runs 1 to 2 weeks. A full development cycle from scoping to end product ranges from 3 to 18 months, depending on hardware complexity, the number of sensors, the regulatory pathway and the scope of clinical testing required. We scope this in detail during the feasibility phase, so you have a realistic timeline and budget before committing to the full build.

Q3: Can you work with our existing hardware or sensor design?

A3: es. We can take over an existing hardware design at any stage: reviewing sensor selection, rewriting firmware, building out the software stack or adding MDR-aligned documentation to an existing codebase. We assess what is in place and define the most efficient path forward, whether that means continuing with the current design or recommending targeted changes before the next development phase.

Q4: What makes a wearable health monitoring device different from a consumer wellness tracker?

A4: The distinction comes down to intended purpose. A device that claims to monitor, diagnose or assist in treating a medical condition falls under EU MDR as a medical device, regardless of form factor. Consumer wellness trackers that make no clinical claims typically fall outside MDR scope. We help you define the intended purpose clearly early on, because it determines the entire regulatory and technical pathway for your wearable health monitoring device.

Q5: Where is the health data stored and how do you handle GDPR?

A5: All health data is hosted in the EU, in AWS or Azure regions inside the bloc. We implement end-to-end encryption with certificates management, role-based access controls and audit logging across the pipeline. Our ISO 27001 certification covers information security on every active project, and for clinical applications we align with the additional EU data protection requirements that apply.

Q6: Do we need a separate hardware partner, or can you build the full stack?

A6: We cover the full stack in-house: sensor selection and PCB design, embedded firmware, companion apps, cloud backends and the MDR documentation. You work with one partner from scoping to handoff, which removes the integration gaps that appear when hardware, software and regulatory work sit with separate vendors.

Q7: How do you make sure sensor readings are accurate enough for clinical use?

A7: We develop the embedded system and carry out preliminary testing and reading verification, including medical-grade sensor selection for your specific metrics and signal processing that accounts for motion artefacts, interference and drift. Clinical testing against reference standards sits outside our scope and would happen through extern partners.

What Else we can do for you?

Get in Touch With us!