inforMED
MalfunctionHXX

ERISMA LP

Received Mar 4, 2020 · Event occurred Aug 20, 2019

Report 3009962553-2019-00005 · MDR key 9786165

Device

Generic name

Screwdriver Shaft

Manufacturer

Clariance Sas

Model number

18911039

Catalog number

18911039

Lot number

H224X

Product problems

  • Material Fragmentation
  • Material Fragmentation

Patient

72 YR

  • No Consequences Or Impact To Patient
  • No Consequences Or Impact To Patient

Narrative

Additional Manufacturer Narrative

A FOLLOW-UP REPORT WILL BE FILED ONCE THE ANALYSIS IS PERFORMED.

Description of Event or Problem

THE SURGEON EXPERIENCED TWO BROKEN TIPS ON THE PEDICLE SCREW DRIVERS. ONE OF THE TIPS WAS BROKEN OFF IN THE SCREW AND DISPOSED OF WITH THE SCREW. THE TIP WAS RETRIEVED AND NOT LEFT IN THE PATIENT. THE SECOND DRIVER TIP WAS CRACKED, BUT NOT BROKEN OFF COMPLETELY. THE BROKEN DRIVER OCCURRED AT L5-S1 AND BOTH BREAKAGES WERE AT THE SAME PILOT HOLE. NO HARM OCCURRED TO THE PATIENT AND THE SURGERY COMPLETED WITHOUT FURTHER INCIDENT.

Additional Manufacturer Narrative

A FOLLOW-UP REPORT WILL BE FILED ONCE THE ANALYSIS IS PERFORMED. 12/20/2019 - AFTER ANALYSIS USING A MAGNIFYING GLASS, IT APPEARS A NET BREAK OF THE TIP OF THE SHAFT. MOREOVER, IT IS POSSIBLE TO NOTICE A STOP AT THE OPPOSITE OF THE BREAK POINT. ALL STRIATIONS ARE IN THE SAME DIRECTION. THIS BREAK IS CHARACTERISTIC OF OVER-BENDING BY THE SURGEON. - ATTACHMENT: [30RA23.PDF].

Description of Event or Problem

THE SURGEON EXPERIENCED TWO BROKEN TIPS ON THE PEDICLE SCREW DRIVERS. ONE OF THE TIPS WAS BROKEN OFF IN THE SCREW AND DISPOSED OF WITH THE SCREW. THE TIP WAS RETRIEVED AND NOT LEFT IN THE PATIENT. THE SECOND DRIVER TIP WAS CRACKED, BUT NOT BROKEN OFF COMPLETELY. THE BROKEN DRIVER OCCURRED AT L5-S1 AND BOTH BREAKAGES WERE AT THE SAME PILOT HOLE. NO HARM OCCURRED TO THE PATIENT AND THE SURGERY COMPLETED WITHOUT FURTHER INCIDENT.

Remedial action

  • Replace