inforMED
MalfunctionGZT

GREENBERG® RETRACTOR, LONG ARM, 9 1/2 IN, 241 MM

Received Feb 19, 2026

Report 3002750084-2026-00017 · MDR key 24390908

Device

Generic name

Greenberg Retractor

Model number

50-1509

Lot number

R003S361/19

Product problems

  • Mechanical Jam

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE DEVICE WAS RETURNED FOR EVALUATION. THE PART WAS SOADED IN INSTRUMENT MILK AND THEN FORCIBLY TIGHTENED TO BE RELEASED FROM THE CURRENT POSITION. IT WAS DISCOVERED THAT THE THUMBNUT WAS STUCK IN THE UNTIGHTEN POSITION DUE TO EXCESSIVE PRESSURE ON THE DRAWBAR (SCREW IN THE MIDDLE OF THE THUMBNUT) CAUSED BY THE THUMBNUT BEING TURNED COUNTERCLOCKWISE BEYOND THE STOP POINT. THE DEVICE IS NOW ABLE TO FUNCTION AS INTENDED AS LONG AS THE THUMBNUT IS NOT OVERTURNED. THE ROOT CAUSE IS CUSTOMER MISHANDLING. THIS SHOULD BE CONSIDERED THE FINAL REPORT. IF ANY ADDITIONAL RELEVANT INFORMATION IS IDENTIFIED IT WILL BE SUBMITTED IN A SUPPLEMENTAL REPORT.

Description of Event or Problem

COMPLAINANT ALLEGES "(B)(6) HAS A GREENBERG ARM THAT THEY PURCHASED LAST YEAR IS NOW FROZEN. PART #50-1509."