inforMED
MalfunctionKWQ

ABC SELF-LOCKING CERVICAL SCREW

Received Jan 14, 2015 · Event occurred Dec 16, 2014

Report 3005673311-2015-00006 · MDR key 4436297

Device

Generic name

Cervical Screw

Model number

FJ933T

Catalog number

FJ933T

Lot number

51995724

Product problems

  • Device Dislodged or Dislocated

Patient

Not reported

  • No Code Available

Narrative

Description of Event or Problem

COUNTRY OF COMPLAINT: (B)(6). SIX MONTHS LATER FROM THE FIRST SURGERY, ONE SCREW WAS BACK OUT. ON (B)(6) 2014 - FIRST SURGERY WAS CONDUCTED. ON (B)(6) 2014 - BY THE CT, THE SURGEON CONFIRMED THAT THE POSITION OF IMPLANT AND THE SITUATION OF PT ARE GOOD. AFTER THAT, THE CUSTOMER CHECKED OUT OF THE HOSPITAL AND HE WENT TO HOSPITAL REGULARLY. ON (B)(6) 2014 - BY THE CT, THE SURGEON FOUND THE SCREW WHICH PLACED IN C7 WAS BACK OUT. THEREFORE, REVISION SURGERY WOULD BE CONDUCTED ON (B)(6) 2014. ACCORDING TO THE OPINION OF SURGEON, THERE IS A POSSIBILITY THAT SCREW BEGAN TO COME AWAY ON (B)(6). IT WAS DIFFICULT TO CONFIRM THE BACK OUT, BECAUSE THE SCREW HAD BEEN PLACED IN C7.

Additional Manufacturer Narrative

MFG SITE EVAL: EVAL ON-GOING AT OEM.