Extend EEG with Physiological Signals

The Ring Oximeter is a wearable sensor designed to complement Patch EEG by adding continuous SpO₂ and heart rate measurements to sleep recordings.

Integrated directly into Flowpoint, the ring enables synchronized multimodal acquisition, allowing oxygen saturation and cardiovascular data to be aligned with EEG-derived metrics such as sleep stages and spectral features.

Data can be streamed in real time via Bluetooth or accessed post-recording through CSV export, supporting flexible research workflows without reliance on external apps or cloud services.

The system is optimized for overnight use, with a lightweight ring form factor and battery life suited for full-night recordings.

This accessory is designed to extend EEG workflows, not replace them, enabling deeper interpretation of sleep physiology through combined neural and peripheral signals.

Important: Not a standalone product. Requires Flowpoint software and is intended for use alongside CGX Patch EEG.

Intended Use: For Research Use Only. The Ring Oximeter is not intended for use in the diagnosis, treatment, cure, mitigation, or prevention of disease or other medical conditions. Not intended for clinical or patient-care use.

Physiological Signal Capture

• SpO₂ Monitoring (1 Hz Sampling): Captures oxygen saturation trends across the night, enabling identification of desaturation patterns and respiratory-related events.
• Heart Rate Monitoring (1 Hz Sampling): Provides continuous heart rate data for alignment with EEG-derived sleep structure and event-based analysis. Note: Sampling rate does not support HRV analysis.

Workflow Integration

• Flowpoint Integration (Required): All data is visualized, recorded, and exported within Flowpoint. No mobile app or cloud dependency required.
• Real-Time Bluetooth Streaming: Supports live multimodal monitoring and synchronization with EEG signals during acquisition.
• Synchronized Data Alignment: Ensures precise temporal alignment between EEG, SpO₂, and heart rate for time-resolved analysis.

Data Access and Output

• CSV Export for Post-Hoc Analysis: Access synchronized datasets for use in external analysis tools or custom pipelines.
• Multimodal Compatibility: Designed to integrate with EEG plug-ins including sleep staging and spectral analysis workflows.

Wearability and Reliability

• Ring Form Factor: Low-profile wearable design supports natural sleep with minimal subject interference.
• 14-Hour Battery Life: Supports full-night recordings without interruption.
• Stable Overnight Signal: Maintains consistent contact for continuous physiological monitoring.