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Hilo (formerly Aktiia) / CSEM oBPM — cuffless wrist BP from green PPG pulse-wave analysis

Scientific Reports 2021 / Blood Pressure M· 2021
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Paper

Summary

Hilo (rebrand of Aktiia, 2024) sells a wrist-worn optical BP band using CSEM's oBPM (optical Blood Pressure Monitoring) algorithm: pulse-wave-analysis (PWA) features extracted from PPG morphology, converted to SBP/DBP via a per-person calibration model.

Key facts

Subjects
91 (Sola 2021, positions); 86 (Vybornova 2021, 1-month sitting); 41 (Schutte/Tan 2023, independent ABPM comparison, not Aktiia-run)
License
n/a — commercial product. CSEM oBPM method is patented (oBPM patent application WO2016138965A1; Hilo marketing claims 35 collective patents).