Welch Allyn, Inc. 901027 (REF 77744)Recalls & reported problems
Welch Allyn, Inc. · Welch Allyn Green Series 777 Wall Diagnostic System including Coaxial Ophthalmoscope (#11720), MacroView Otoscope (#23810); 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 00732094136760), received between Apr 8, 2022 and Apr 8, 2022 — classified as 2 malfunctions.
The most frequently reported specific device problem is “Insufficient Device Problem Information” (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.
Most reported problems
Device problems
- Insufficient Device Problem Information2
- Power Problem2
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.
MalfunctionApr 8, 2022Power Problem; Insufficient Device Problem Information; Power Problem; Insufficient Device Problem Information
CUSTOMER REPORTED THAT THE GREEN SERIES GS 777 WALL TRANSFORMER STARTED TO SPARK AND BURN WHEN THE MAINS PLUG WAS PLUGGED IN TO THE WALL SOCKET. IT WAS ADDITIONALLY REPORTED THAT THERE WAS BURN DAMAGE CAUSED TO THE PLUG AS A RESULT. THERE WAS NO REPORTED INJURY. THIS REPORT WAS FILED IN OUR COMPLAINT HANDLING SYSTEM AS COMPLAINT (B)(4).
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 14050471 ↗MalfunctionApr 8, 2022Power Problem; Insufficient Device Problem Information; Power Problem; Insufficient Device Problem Information
THE CUSTOMER REPORTED THAT THE GREEN SERIES GS 777 WALL TRANSFORMER STARTED TO SPARK AND BURN WHEN THE MAINS PLUG WAS PLUGGED IN TO THE WALL SOCKET. IT WAS ADDITIONALLY REPORTED THAT THERE WAS BURN DAMAGE CAUSED TO THE PLUG AS A RESULT. THERE WAS NO REPORTED INJURY. THIS COMPLAINT HAS BEEN CAPTURED UNDER HILLROM REF # C-(B)(4).
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 14050386 ↗
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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