Ultrasonic Generator USG-400 (REF N5428140)Recalls & reported problems
Olympus Medical Systems Corp. · Class U
All models of Ultrasonic Generator (3)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 4
- Deaths reported
- 0
- Injuries reported
- 4
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 04953170386817), received between Sep 11, 2018 and May 1, 2025 — classified as 4 injuries.
The most frequently reported specific device problem is “Communication or Transmission Problem” (2 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Communication or Transmission Problem2
- Output Problem1
- Output above Specifications1
Patient problems
- No Clinical Signs, Symptoms or Conditions3
- Burn(s)1
Recent adverse event reports
The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.
InjuryMay 1, 2025Communication or Transmission Problem; Communication or Transmission Problem
NO ADDITIONAL INFORMATION RECEIVED FROM CUSTOMER.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 21945176 ↗InjuryMay 1, 2025Communication or Transmission Problem; Communication or Transmission Problem
THIS SUPPLEMENTAL REPORT IS BEING SUBMITTED TO PROVIDE CORRECTION TO B2. B2 SHOULD HAVE HAD REQUIRED INTERVENTION CHECKED INSTEAD OF OTHER SERIOUS.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 21945136 ↗InjuryOct 14, 2024Output Problem; Output Problem
IT WAS REPORTED THAT DURING A LAPACOLLE SURGERY, AN OVERCURRENT ERROR U010 OCCURRED WHEN USING THE SUBJECT DEVICE. THE PROCEDURE AND PATIENT'S ANESTHESIA WERE EXTENDED BY 30 MINUTES TO DEAL WITH THE ERRORS AS IT OCCURRED MULTIPLE TIMES AND TO REPLACE THE TRANSDUCER. THE PROCEDURE WAS COMPLETED WITH THE SUBJECT DEVICE. NO ADDITIONAL MEDICATION WAS ADMINISTERED, AND THERE WERE NO REPORTS OF PATIENT HARM.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 20446565 ↗InjurySep 11, 2018Output above Specifications; Output above Specifications
THE 2 OF 3. OLYMPUS WAS INFORMED THAT DURING AN UNKNOWN PROCEDURE INVOLVING AN UNKNOWN MODEL OLYMPUS GENERATOR AND UNKNOWN MODEL OLYMPUS THUNDERBEAT DEVICE, THE PATIENT HAD A LIVER BURN INJURY. IT WAS REPORTED THAT THE CUT AND COAG OUTPUT WAS TOO HIGH, LEADING TO THE THUNDERBEAT HANDPIECE OVERHEATING AND BURNING THE PATIENT¿S LIVER. THIS COMPLAINT ADDRESSES THE SECOND OF TWO POSSIBLE GENERATOR MODELS REPORTED FOR THE EVENT.
Patient problems: Burn(s)
MAUDE report 7867159 ↗
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Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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