inforMED
InjuryKMW

S-16

Received Jul 14, 2026

Report 3003755849-2026-00003 · MDR key 25816055

Device

Generic name

W&h Surgical Handpiece 1:2

Model number

30411000

Product problems

  • Temperature Problem

Patient

NA · Unknown

  • Burn(s)

Narrative

Additional Manufacturer Narrative

FAULT DESCRIPTION: THE RETAINING RING AND THE COVER PLATE OF THE BALL BEARING HAVE COME LOOSE. THESE COMPONENTS RUBBED AGAINST THE BEARING SLEEVE, CAUSING IT TO OVERHEAT. THE FAULT IS MOST LIKELY DUE TO A LACK OF MAINTENANCE AND/OR CARE OF THE PRODUCT.

Description of Event or Problem

DOCTOR WAS REMOVING WISDOM TOOTH USING HANDPIECE. WHEN HE WENT TO LOWER RIGHT SIDE, HE NOTICED THAT THE PATIENTS LIP TURNING RED. HANDPIECE LOWER PORTION THAT ENGAGES THE DRILL WAS OVERHEATING AND BURNT PATIENTS LIP.