Axon Sense: a clinic's view of the weeks between appointments.
A patch the size of a matchbook that records heart rhythm, breathing, skin temperature and movement around the clock, for as long as the care plan needs.
Why programs choose it
What care teams told us they needed before they would trust a wearable with a real decision.
People keep it on
A device that comes off on day four is a four-day device. Axon Sense 2 runs nine days on a charge and the adhesive carrier changes weekly; most wearers stop noticing it by the second week.
Gaps are visible, not hidden
When the signal is poor the patch says so, sample by sample. Nothing is interpolated over and presented as data.
It works without a phone
Data goes to a Nexa Edge hub or a Fieldmesh gateway. Wearers do not need a smartphone, an app, or a password.
It fits the record you have
Observations arrive in the chart as HL7 or FHIR, mapped to the codes your interface team already uses.
What it records
Four signals, captured together so they can explain each other.
Single-lead ECG
Continuous rhythm at 512 Hz, with beat detection and signal quality flags computed on the device.
- Atrial fibrillation burden and episode timing
- Heart rate and heart rate variability
- Pause and bradycardia events with the raw strip attached
Respiration
Breathing rate derived from chest wall impedance and motion, cross-checked against each other.
- Resting respiratory rate trend
- Nighttime breathing pattern summaries
Skin temperature
Measured at the contact surface and used for two jobs: physiological trend, and checking the patch itself is comfortable.
- Trend against the wearer's own baseline
- Contact loss detection
Activity and posture
A three-axis accelerometer that puts the other signals in context.
- Steps, sleep and time upright
- Fall detection on programs that enable it
Specifications
Current production model. Full detail is in the instructions for use.
| Specification | Value |
|---|---|
| Model | Axon Sense 2 (current); Axon Sense 3 in limited release from Q4 2026 |
| Battery life | 9 days continuous (Axon Sense 3: 21 days) |
| Mass | 18.4 g including adhesive carrier |
| ECG | Single lead, 512 Hz, 16-bit |
| Other sensors | Bioimpedance respiration, skin temperature, 3-axis accelerometer |
| Local storage | 14 days of full-resolution data if no hub is in range |
| Radio | Bluetooth Low Energy 5.3 to a Nexa Edge hub or Fieldmesh gateway |
| Water | IP68; showering and swimming to 1.5 m |
| Wear | Upper arm or left chest, adhesive carrier changed every 7 days |
| Fleet management | Formcloud, with staged firmware and signed rollback |
I saw her breathing change on a Thursday. She felt it the following Sunday. Those three days are the whole program.
Jolene Petrakis, RN
Heart failure nurse, Great Lakes Health, Duluth
Works with
Axon Sense is rarely used on its own.
Nexa Edge
The home hub most Axon Sense programs pair it with.
Formcloud
Fleet, firmware and program management.
Accessories
Adhesive carriers, cradles and skin prep kits.
Firmware updates
Current Axon Sense firmware and its release notes.
Product support
Phone lines, severity levels, and what to have ready.
Recalls and advisories
Every field safety notice and software advisory we have issued.
Planning a remote monitoring program?
Most of the work in a good program is deciding who gets a patch, for how long, and who looks at what. We can help with that part too.