MedTechIndexBETA
The MedTechIndex Briefing

Keep up with MedTechIndex.

A weekly note from Blair, new companies added to the directory, and meaningful updates to existing profiles.

Confirm your email to join. Email privacy

Companies / WearableDose
Medical device company profile

WearableDose

Maryland company developing wearable radiation sensors and software for oncology dose verification and radiation-safety monitoring.

Medical Device DeveloperOncologySupportive Cancer Care
HeadquartersπŸ‡ΊπŸ‡ΈBowie, Maryland, United States
Founded2023
Commercial statusIn developmentClinical platform in development; pursuing FDA clearance.
Employees2–10 [4]LinkedIn company-size range Β· Checked 2026-10-31
Estimated revenueNot confirmed
Disclosed fundingUS$200,000 [5]Non-dilutive milestone-based support announced September 15, 2025 by SPARK Hub. Award amount, not cumulative financing.
Official websitewearabledose.com β†—

Company overview

WearableDose is a Bowie, Maryland medical technology company founded in 2023 and led by founder and CEO John B. Sanwo. It is developing a wearable radiation-sensing patch and connected software platform.

The company licenses polymer-based dosimeter technology developed at Sandia National Laboratories. Its oncology work aims to measure delivered radiation at the patient’s skin or beam-entry region and provide clinicians with dose information during treatment.

WearableDose also describes potential applications for first responders, defense personnel and radiation workers. Its clinical platform remains in development and validation while pursuing FDA clearance.

[3][4][5]

Leadership

1 people
John B. SanwoFounder & Chief Executive Officer [1]

Products & regulatory status How does MedTechIndex get this information?

Summary

WearableDose describes its platform as being in development and clinical validation while pursuing FDA clearance. John Sanwo’s June 2026 interview also describes work toward the Breakthrough Device Designation pathway; neither clearance nor designation is presented as granted. [3][1]

Sandia identifies WearableDose as the licensee of its polymer-based dosimeter technology. The wearable sensor and software are being developed for oncology dose verification, with additional radiation-safety applications. [2][3]

Regulatory snapshot How to read this snapshot

U.S. FDA
β€”
510(k) clearances
β€”
De Novo grants
β€”
PMA approvals
β€”
Recall events

Latest recorded source review: 2026-10-31.

Scope: selected product families.

Commercial portfolio snapshot

No commercially marketed product portfolio has been established in the reviewed material.

Commercial development

Sandia prototype of the flexible radiation dosimeter technology licensed to WearableDose
Image: Sandia National Laboratories / Spencer Toy Β· prototype
Radiation oncology dose monitoring

Wearable radiation dosimetry platform β†—

Flexible sensor patch and software platform under development for real-time radiation measurement at the skin or beam-entry region. The sensor generates an electrical signal in response to radiation, with data intended to support dose verification, clinician dashboards and alerts. Additional applications include radiation-worker, defense and emergency-response monitoring. [3][2][1]

Development and clinical validation Β· pursuing FDA clearance

Activity & Milestones

3 events
2026-02-03 Β· Technology

Sandia describes licensed dosimeter technology

Sandia published details of its flexible radiation dosimeter and identified WearableDose as the licensee. [2]

2025-09-15 Β· Funding

SPARK DEV funding announced

SPARK Hub named WearableDose among its 2025 DEV awardees, with US$200,000 in non-dilutive milestone-based support. [5]

2023 Β· Company

WearableDose founded

The company lists 2023 as its founding year. [4]

5 Cited Sources

Accessed 10/31/2026

Last substantive review: 10/31/2026

[2] Sandia β€” wearable dosimeter technology licensed to WearableDose β†—Sandia National Laboratories Β· research institution
[4] WearableDose β€” company information β†—WearableDose / LinkedIn Β· company profile
[5] SPARK Hub β€” 2025 SPARK DEV funding awardees β†—SPARK Hub / Children’s National Hospital Β· grant award
Company research

Compare companies

Privacy choices

Your saved-company and comparison preferences are stored separately. Changing analytics preferences does not clear them.

About cookies and privacy