# Sonex Health

> Sonex Health is a Minnesota-based medical device company that pioneered minimally invasive, ultrasound-guided treatments for common hand conditions. Its flagship UltraGuideCTR (carpal tunnel) and UltraGuideTFR (trigger finger) devices let surgeons see critical anatomy in real time and perform releases through a tiny incision in an office setting, allowing patients to return to normal activity in days rather than weeks. Founded in 2014 by Mayo Clinic physicians, the company has treated more than 20,000 carpal tunnel patients and raised over $62 million to make ultrasound-guided release the standard of care.

- **Founded:** 2014
- **Headquarters:** Eagan, Minnesota, United States
- **Founders:** Darryl Barnes, MD (Co-Founder & Chief Technology Officer), Jay Smith, MD (Co-Founder & Chief Medical Officer), Aaron Keenan (Co-Founder (business operations))
- **Team size:** ~87 employees
- **Products:** UltraGuideCTR, UltraGuideTFR, Stealth MicroGuards / TCL Blade, Sonex Educational Institute
- **Notable:** UltraGuideCTR received FDA clearance in 2019, Full market release of UltraGuideTFR for trigger finger in 2022, More than 20,000 patients treated for carpal tunnel release (announced 2023)

## Products & services

- **UltraGuideCTR** — FDA-cleared device (2019) for carpal tunnel release using real-time ultrasound guidance, performed through a small incision in an office setting.
- **UltraGuideTFR** — Device for trigger finger release under ultrasound guidance, full market release in 2022.
- **Stealth MicroGuards / TCL Blade** — Proprietary components that protect critical anatomy and enable precise cutting of the transverse carpal ligament through a tiny opening.
- **Sonex Educational Institute** — Physician training programs including cadaver courses and web-based / virtual ultrasound-guided procedure training.

## Achievements

- UltraGuideCTR received FDA clearance in 2019
- Full market release of UltraGuideTFR for trigger finger in 2022
- More than 20,000 patients treated for carpal tunnel release (announced 2023)
- Closed $40M Series B financing in September 2023
- Enrolled 1,300+ patients across 33 sites in the MISSION clinical registry, the largest US multi-arm study of its kind
- Technology originally developed by physician founders at Mayo Clinic

## Latest updates

- **2025-10** — Achieved enrollment target in the MISSION clinical registry, the largest-ever multi-arm US study comparing ultrasound-guided, endoscopic, and open carpal tunnel release.
- **2024-03** — Enrolled first patient in the MISSION real-world data registry.
- **2023-12** — Marked carpal tunnel treatment milestone of more than 20,000 patients.
- **2023-09** — Closed $40 million Series B financing led by KCK MedTech.
- **2022-04** — Announced full market release of UltraGuideTFR to treat trigger finger.

## Links

- Website: https://sonexhealth.com
- LinkedIn: https://www.linkedin.com/company/sonex-health
- Twitter/X: https://twitter.com/sonexhealth
- Facebook: https://www.facebook.com/SonexHealthLLC/

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Profile page: https://yespress.io/sonex-health
Published by YesPress — https://yespress.io
Last updated: 2026-06-12