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ONYX

Technology

Instrument. Intelligence. System.

ONYX unites precision airflow hardware with multimodal machine learning and a structured management platform — each layer engineered to make the next one more informative.

01ONYX Device

A connected instrument for the forced breath.

The ONYX device uses airflow sensing hardware to capture pulmonary measurements such as peak expiratory flow and related respiratory parameters, transmitting each session to the ONYX research platform.

ONYX connected respiratory monitoring device, matte black body with brushed silver bezel and cyan light ring

Measured, not estimated.

Each maneuver is sampled across its full duration, so the system records the shape of the expiratory curve — not only its peak. Parameters below are captured or derived for research purposes and are undergoing technical characterization.

VOLUME (L)FLOW (L/s)PEF
PEF
L/min
Peak expiratory flowMaximum flow achieved during a forced exhalation.
FEV₁
L
Forced expiratory volume, 1 sVolume exhaled in the first second of the maneuver.
FVC
L
Forced vital capacityTotal volume exhaled during a full forced breath.
FEV₁/FVC
%
RatioRelative index associated with airflow obstruction.
PEFv
%
PEF variabilityDiurnal and day-to-day variation across sessions.
Q
flag
Maneuver qualityEffort and technique indicators for each attempt.
Exploded technical view of the ONYX device showing enclosure, flow sensor, circuit board, battery, and mouthpiece

Hardware architecture

Exploded view

  • 01Precision-molded mouthpiece and conditioned flow channel
  • 02Airflow sensing element with high-rate sampling
  • 03Embedded microcontroller with on-device signal processing
  • 04Low-energy wireless module for session synchronization
  • 05Rechargeable power cell and charge management
  • 06Anodized enclosure with brushed silver bezel

02AsthmaNET · Multimodal AI research

Four signals. One model of individual respiratory risk.

AsthmaNET is ONYX’s research program in multimodal machine learning. It integrates respiratory airflow measurements, environmental conditions, cough audio, and genomic information to investigate personalized respiratory risk assessment and predictive modeling.

CROSS-MODAL FUSIONENCODERSPersonal riskTrend forecastPhenotypes

Temporal convolutional encoder

Respiratory airflow

Peak expiratory flow and derived airflow parameters captured by the ONYX device, modeled as longitudinal time series to characterize trends and variability.

  • PEF trajectories
  • Diurnal variability
  • Effort-quality flags

Research questions

AsthmaNET is an active research model. Its outputs are investigational and are not used to make clinical decisions.

  1. Q1

    Can fused airflow and environmental signals anticipate deterioration earlier than airflow alone?

  2. Q2

    Do cough acoustics carry information complementary to peak expiratory flow?

  3. Q3

    How might genomic features modulate an individual’s response to environmental exposure?

  4. Q4

    Which patient phenotypes emerge from unsupervised analysis of multimodal trajectories?

03ACMS · Asthma Control & Management System

Longitudinal clarity for patients and care teams.

ACMS transforms continuous measurements into structured, contextual summaries — personal-best tracking, environmental awareness, adherence logging, and exportable reports designed to support, never replace, clinical judgment.

ACMS · Participant overview
Interface concept · Simulated data · Not for clinical use

Peak flow · % of personal best

84%

80% reference50% reference

Air quality

PM2.5 context

Moderate

Pollen

Tree pollen

Elevated

Humidity

Ambient

62%

Controller adherence

Self-reported · 26 of 30 days

Contextual notice

Pollen elevated — measurement reminder

PDF

Clinician summary

Structured export for care visits

04System architecture

From exhalation to insight.

  1. 01

    Sense

    ONYX device

  2. 02

    Process

    On-device DSP

  3. 03

    Sync

    Mobile companion

  4. 04

    Store

    Encrypted research cloud

  5. 05

    Model

    AsthmaNET

  6. 06

    Manage

    ACMS

Data handling is designed around encryption in transit and at rest, participant consent, and de-identification for research use.

Explore the science behind the system.

Collaborate with ONYX on validation, datasets, or integration research.