Optical sensor integration into chest patch
The wearable chest patch with adaptive sensor integration and configurations addresses the challenges of chest-based PPG monitoring, providing stable and comfortable physiological measurements.
WO2026148050A1 Publication Date: 2026-07-09IRHYTHM TECHNOLOGIES INC
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Patent Information
- Application Number
- PCT/US2025/061719
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-12-30
- Filing Date
- 2025-12-30
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Conventional PPG sensor designs are not optimized for alternative mounting sites like the chest, leading to inconsistent sensor contact, signal quality issues, and user discomfort due to anatomical and physiological variations, motion artifacts, and ambient light interference.
Method used
A wearable chest patch with an adhesive housing and integrated optical sensor, along with various configurations and attachment methods, including a cartridge design, wing-based integration, and snap-in modules, to maintain consistent contact and improve signal quality.
Benefits of technology
Enables reliable and continuous PPG monitoring with enhanced signal stability and user comfort by adapting to chest contours and minimizing motion artifacts and ambient light noise.
✦ Generated by Eureka AI based on patent content.
Abstract
Optical sensor integration into a chest patch is described. A wearable device comprises a housing configured to be attached to a chest region of an individual via an attachment component, the attachment component configured to conform to contours of the chest region, and an optical sensor configured to detect a PPG signal from the chest region of the individual. Various form factors are considered, including, but not limited to, a cartridge design, a wing design, a snap-in design, and / or an auxiliary design. The optical sensor may be integrated into different configurations within these form factors to optimize physiological monitoring capabilities while maintaining comfort and secure attachment to the chest region.
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