FDA Prepares Looser Rules for Cuffless Blood Pressure Wearables as Vital Signals Seeks Clearance

The FDA began drafting broader regulatory exemptions in January 2026 for cuffless blood pressure devices that use optical sensors instead of traditional arm cuffs. Vital Signals, founded by former Android engineer Tom Moss, is pursuing clearance for its $399 Signal Ring, with the long-term aim of partnering with insurers on preventative care.