inforMED
MalfunctionHTW

2.1 MM FIXED DEPTH DRILL 12 MM (STAINLEES STEEL, TI-6AI-4V ELI)

Received Apr 10, 2018 · Event occurred Mar 13, 2018

Report 2027467-2018-00018 · MDR key 7418519

Device

Generic name

Htw

Manufacturer

Alphatec Spine Inc

Model number

63928-12

Catalog number

63928-12

Lot number

7117915

Product problems

  • Unintended Movement

Patient

Not reported

  • No Information
  • No Information

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION INTO THE RETURNED INSTRUMENT FOUND THAT THE DRILL STOP MEASURED APPROXIMATELY .012" MORE PROXIMAL THAN PRINT REQUIREMENTS/TOLERANCE. THIS ALLOWED THE DRILL TO BE INSERTED THROUGH THE DRILL GUIDE AND THE TIP TO EXTEND AN ADDITIONAL .3048MM FURTHER THAN INTENDED. INSPECTION DID NOT REVEALED ANY EVIDENCE INDICATING THE FIXED STOP HAD MIGRATED OR SLIPPED FROM ITS MANUFACTURED POSITION.

Description of Event or Problem

THE STOP ON THIS INSTRUMENT IS MOVING WHEN PLACED INSIDE OTHER INSTRUMENT. NOTICED WHEN DOING ROUTINE INSPECTION. DID NOT OCCUR AT HOSPITAL.