inforMED
MalfunctionDZH

CORE INTRA-ORAL BLADE

Received Dec 8, 2010 · Event occurred Nov 11, 2010

Report 9616696-2010-00366 · MDR key 1950141

Device

Generic name

Saw Blades & Accessories

Catalog number

5400031034

Lot number

10169027

Product problems

  • Break

Patient

UNK

  • No Consequences Or Impact To Patient

Narrative

Description of Event or Problem

IT WAS REPORTED THAT DURING AN ORAL SURGERY IN THE MANDIBULAR RAMUS REGION, THE BLADE BROKE AT THE WELD BETWEEN THE BLADE AND THE SHANK. IT WAS FURTHER REPORTED THAT AS A RESULT OF THIS BREAKAGE, A RECIPROCATING BLADE WAS USED TO COMPLETE THE PROCEDURE. THE SURGICAL TECHNIQUE WAS CHANGED FROM A PERPENDICULAR OSTEOTOMY TO HORIZONTAL OSTEOTOMY AS A RESULT. IT WAS ALSO REPORTED THAT THERE WAS NO PT INJURY AND THE PROCEDURE WAS COMPLETED SUCCESSFULLY.

Additional Manufacturer Narrative

THE BLADE SUBJECT TO THIS MDR WAS RETURNED FOR EVAL. IT WAS VISUALLY CONFIRMED THAT THE BLADE BROKE AT THE WELD BETWEEN THE BLADE AND THE SHANK. THE RETURNED BLADE MEASURED WHERE POSSIBLE AND ALL CRITICAL SPECS WERE MET. MFG RECORDS WERE REVIEWED, NO ISSUES WERE IDENTIFIED WHICH MAY HAVE CONTRIBUTED TO THIS EVENT. THE ROOT CAUSE IS UNDETERMINED.