inforMED
MalfunctionLXI

DRILL GUIDE WITH GRADUATION

Received Aug 5, 2010 · Event occurred Mar 18, 2008

Report 1719045-2010-00199 · MDR key 1804895

Device

Generic name

Drill Guide

Manufacturer

Synthes Monument

Model number

NA

Catalog number

388.393

Lot number

575299F07

Product problems

  • Device Slipped

Patient

NI

  • No Known Impact Or Consequence To Patient

Narrative

Additional Manufacturer Narrative

INFORMATION INITIALLY REPORTED TO SYNTHES ON (B)(6) 2008 AND WAS DETERMINED TO BE NOT REPORTABLE. ON (B)(6) 2010, SYNTHES PERFORMED A COMPLAINT HISTORY REVIEW AND UPDATED THE COMPLAINT TO REPORTABLE BASED ON THE COMPLAINT TREND. DATE OF THIS REPORT BASED ON THE DATE OF THE COMPLAINT HISTORY REVIEW. SUBJECT DEVICE IS AN INSTRUMENT AND IS NOT IMPLANTED. THE DEVICE HISTORY RECORD WAS REVIEWED FOR THIS LOT AND NO COMPLAINT RELATED ANOMALIES WERE FOUND. THE STEM ASSEMBLY WAS CONFIRMED TO BE SLIPPING. DURING INVESTIGATION, IT WAS FOUND THAT THE DETENT AND THE PLUNGER SPRINGS WERE UNDERSIZED. IT WAS ALSO FOUND THAT THE DETENT AND PLUNGER SPRINGS WERE SWAPPED IN POSITION FROM THE MANUFACTURING SPECIFICATIONS. AS A RESULT, A CORRECTIVE ACTION WAS OPENED TO UPDATE THE DETAILED ASSEMBLY INSTRUCTIONS.

Description of Event or Problem

SURGEON WAS DRILLING WITH THE DRILL GUIDE WITH GRADUATION AND THE SLEEVE KEPT PUSHING DOWN DURING CERVICAL THORACIC FUSION. SURGEON NOTICED THAT THE LATCH WAS LOOSE. SURGEON COMPLETED THE PROCEDURE BY KEEPING HIS THUMB ON THE SLEEVE.