inforMED
MalfunctionDRT

ZM-531PA

Received Jun 25, 2026 · Event occurred Jun 2, 2026

Report 8030229-2026-06764 · MDR key 25627420

Device

Generic name

Telemetry Transmitter

Model number

ZM-531PA

Catalog number

ZM-531PA

Lot number

NA

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE BIOMEDICAL ENGINEER (BME) STATED THAT THE STAFF REPORTED MULTIPLE TIMES THAT THE ZM TRANSMITTER WOULD NOT ALWAYS GIVE CORRECT ECG READINGS. THE DEVICE WAS ALSO CRACKED. NO PATIENT HARM WAS REPORTED. NIHON KOHDEN CONTINUES TO INVESTIGATE THE REPORTED EVENT. NIHON KOHDEN WILL SUBMIT A SUPPLEMENTAL REPORT IN ACCORDANCE WITH 21 CFR SECTION 803.56 WHEN ADDITIONAL INFORMATION BECOMES AVAILABLE.

Description of Event or Problem

THE BIOMEDICAL ENGINEER (BME) STATED THAT THE STAFF REPORTED MULTIPLE TIMES THAT THE ZM TRANSMITTER WOULD NOT ALWAYS GIVE CORRECT ECG READINGS. THE DEVICE WAS ALSO CRACKED. NO PATIENT HARM WAS REPORTED.