Welch Allyn, Inc. 901027 (REF 77754)Recalls & reported problems
Welch Allyn, Inc. · Welch Allyn Green Series 777 Wall Diagnostic System including Coaxial Ophthalmoscope (#11720), 3.5V Halogen HPX Diagnostic Otoscope with Throat Illuminator (#23520); 100-240 V, 50-60 Hz AC, IEC Plug Type-G · Class 2
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 0
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 00732094136722), received between Jul 8, 2025 and Sep 2, 2025 — classified as 2 malfunctions.
The most frequently reported specific device problem is “Electrical Shorting” (1 report).
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
- Electrical Shorting1
- Sparking1
Patient problems
- No Clinical Signs, Symptoms or Conditions2
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
MalfunctionSep 2, 2025Sparking; Sparking
THE CUSTOMER REPORTED THAT THE WALL SYSTEM'S TRANSFORMER PLUG HAS EVIDENCE OF SPARKING. BLACK SOOT ALL THROUGHOUT THE CONNECTOR BETWEEN THE PLUG BODY AND THE INBUILT UK PLUG SOCKET ADAPTER. THERE WAS NO ADVERSE EVENT REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22931740 ↗MalfunctionJul 8, 2025Electrical Shorting; Electrical Shorting
THE CUSTOMER REPORTED THAT THE WALL SYSTEM'S TRANSFORMER PLUG ADAPTER EXPLODED CAUSING A TEMPORARY POWER OUTAGE AND DAMAGED TWO LEADS. THERE WAS NO ADVERSE EVENT REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22435806 ↗
Other Transformer, endoscope devices
- Welch Allyn, Inc. 901027Welch Allyn, Inc. · TRANSFORMER, ENDOSCOPE1 recall0 reports
- Welch Allyn, Inc. 901027Welch Allyn, Inc. · TRANSFORMER, ENDOSCOPE1 recall0 reports
- Y/C cable MB-631Olympus Medical Systems Corp. · Transformer, Endoscope5 reports
- Welch Allyn, Inc. 901067Welch Allyn, Inc. · Transformer, endoscope2 reports
- Welch Allyn, Inc. 901027Welch Allyn, Inc. · Transformer, endoscope2 reports
- Welch Allyn, Inc. 901067Welch Allyn, Inc. · Transformer, endoscope1 report
- Welch Allyn, Inc. 901067Welch Allyn, Inc. · Transformer, endoscope1 report
- Welch Allyn, Inc. 901067Welch Allyn, Inc. · Transformer, endoscope1 report
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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