FDA Adverse Event Malfunction Summary report: N

RHYTHMSTAR

MDR report key: 25263185 · Received May 22, 2026

Report

Report Number
3011265784-2026-00001
Event Type
Malfunction
Date Received
May 22, 2026
Date of Event
April 25, 2026
Report Date
May 22, 2026
Manufacturer
RHYTHMEDIX LLC
Product Code
QYX
UDI-DI
00868282000220
PMA / PMN Number
K233584
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
WI, US
Reporter Occupation
003

Narratives

Additional Manufacturer Narrative · 0

THE DEVICE AND POWER SUPPLY ARE RETURNED FOR INSPECTION. THE DEVICE EMBEDS A SMALL SINGLE CELL LITHIUM-ION BATTERY (3.7V, 700MAH). THE BATTERY IS BEING RETURNED TO THE BATTERY MANUFACTURER FOR ANALYSIS. THE DEVICE WAS PLACED ON A CHARGING CRADLE LOCATED ON A KITCHEN COUNTER-TOP NEXT TO A PLUGGED-IN SLOW COOKER. A THIRD-PARTY USB POWER SUPPLY (NOT PART OF DEVICE) WAS USED TO CHARGE THE DEVICE AND SUPPLIED BY A MONITORING CENTER.

Description of Event or Problem · 0

A COMPLAINT WAS RECEIVED FROM A PATIENT REPORTING A MINOR DAMAGE TO A KITCHEN COUNTERTOP DUE TO DEVICE FIRE DURING DEVICE CHARGING. AT THIS POINT IN TIME, THE CAUSE OF THE FIRE REMAINS UNDER INVESTIGATION. THERE WERE NO INJURIES OR ADVERSE PATIENT CONSEQUENCES REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
543420 RHYTHMSTAR RHYTHMSTAR SYSTEM QYX RHYTHMEDIX LLC RS-10003 00868282000220

Patients

Seq Age Sex Outcome Treatment
1 39 YR Female