FDA Adverse Event Injury Summary report: N

TI OBA PLATE ANCHOR DOMED DESIGN 4 HOLES

MDR report key: 4802548 · Received May 28, 2015

Report

Report Number
2520274-2015-14085
Event Type
Injury
Date Received
May 28, 2015
Report Date
May 5, 2015
Manufacturer
SYNTHES ELMIRA
Product Code
OAT
PMA / PMN Number
PK093299
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

AN INVESTIGATION SUMMARY WAS PERFORMED. THE INVESTIGATION OF THE COMPLAINT ARTICLES HAS SHOWN THAT:ARTICLE: 04.500.013 LOT. 7432188 RECEIVED 3 UNKNOWN SCREWS, NOT KNOWN, WHICH OF THEM WAS INVOLVED IN THE BREAKAGE, THEREFORE THIS SUMMARY IS FOR BOTH AS THEY ARE ALL INTACT. OUR INVESTIGATION OF THE RETURNED PLATE HAS SHOWN THAT A PART IS BROKEN OFF. THE PLATE SHOWS SCRATCHES AT THE WHOLE PART. UNFORTUNATELY WE ARE NOT ABLE TO DETERMINE THE EXACT CAUSE WHICH HAS LED TO THIS BREAKAGE, IT IS LIKELY, THAT A MECHANICAL OVERLOAD SITUATION HAS LED TO THIS DAMAGE, OR THE IMPLANT WAS BENT IN DIFFERENT DIRECTIONS. THE DEVICE HISTORY RECORD WAS RESEARCHED, NO ABNORMAL FINDINGS WERE IDENTIFIED. THERE WERE NO ISSUES DURING THE MANUFACTURING OF THE PRODUCT THAT WOULD CONTRIBUTE TO THIS COMPLAINT CONDITION. UNKNOWN SCREWS: THE VISUAL INVESTIGATION OF THE SCREWS HAS SHOWN SOME SMALL SCRATCHES AT THE HEAD. NO OTHER DAMAGES ARE VISIBLE. DEVICE WAS USED FOR TREATMENT, NOT DIAGNOSIS. IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Additional Manufacturer Narrative · 1

DEVICE WAS USED FOR TREATMENT, NOT DIAGNOSIS. PATIENT WEIGHT WAS NOT PROVIDED BY REPORTER. THE DATE WHEN THE SUBJECT PLATE BROKE IS UNCLEAR. THE PLATE MAY HAVE BROKEN ON (B)(6) 2014¿THE SAME DATE THE FIRST REVISION PROCEDURE WAS PERFORMED, BUT ADDITIONAL CLARIFICATION WAS NOT PROVIDED. (B)(6). WITHOUT A LOT NUMBER THE DEVICE HISTORY RECORDS REVIEW COULD NOT BE COMPLETED. THE INVESTIGATION COULD NOT BE COMPLETED; NO CONCLUSION COULD BE DRAWN, AS NO PRODUCT WAS RECEIVED. IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Additional Manufacturer Narrative · 1

SUBJECT DEVICE HAS BEEN RECEIVED AND IS CURRENTLY IN THE EVALUATION PROCESS. INVESTIGATION IS ONGOING; NO CONCLUSION COULD BE DRAWN AS PRODUCT IS ENTERING THE COMPLAINT SYSTEM. DEVICE HISTORY RECORDS WAS CONDUCTED. THE REPORT INDICATES THAT THE: DATE OF MANUFACTURE: 09/17/2013. EXPIRATION DATE: N/A, A REVIEW OF THE DEVICE HISTORY RECORD REVEALED NO COMPLAINT RELATED ANOMALIES. THE DEVICE HISTORY RECORD SHOWS LOT 7432188 OF TI OBA PLATE ANCHOR DOMED DESIGN WAS PROCESSED THROUGH THE NORMAL MANUFACTURING AND INSPECTION OPERATIONS WITH NO REWORK NOTED. ONE (1) PIECE WAS SCRAPPED AT OPERATION 30 (ANODIZE) FOR A COSMETIC ISSUE. THIS LOT MET ALL DIMENSIONAL AND VISUAL CRITERIA AT THE TIME OF MANUFACTURE WITH NO ISSUES DOCUMENTED DURING THE MANUFACTURE THAT WOULD CONTRIBUTE TO THIS COMPLAINT CONDITION. A REVIEW OF THE RAW MATERIAL DEVICE HISTORY RECORD DETERMINED (B)(4) WAS ISSUED FOR AN UNRELATED ISSUE REGARDING THE SIZE OF THE INCOMING BILLET. THE RAW MATERIAL LOT 7126842 WAS ACCEPTED PER DEVIATION (B)(4) AND MET ALL SPECIFICATIONS. THERE ARE NO INDICATIONS OF ANY POTENTIAL ISSUES THAT WOULD CONTRIBUTE TO THE COMPLAINT CONDITION. DEVICE WAS USED FOR TREATMENT, NOT DIAGNOSIS. IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Additional Manufacturer Narrative · 1

IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Description of Event or Problem · 1

DEVICE REPORT FROM SYNTHES (B)(4) REPORTED AN EVENT IN (B)(6) AS FOLLOWS: IT WAS REPORTED THAT THE PATIENT WAS IMPLANTED WITH SIX BONE ANCHOR PLATES AND AN UNKNOWN QUANTITY OF 6 MM SELF-DRILLING MATRIX MIDFACE SCREWS ON (B)(6) 2014. ON AN UNKNOWN DATE ONE OF THE PLATES, LOCATED IN THE MANDIBLE, BROKE. IT WAS REPORTED THAT THE HEAD OF THE PLATE HAD BROKEN OFF. ELASTIC HAD BEEN USED ONLY FOR A FEW DAYS. ON (B)(6) 2014, A REVISION PROCEDURE WAS PERFORMED TO ADDRESS THE BROKEN PLATE HEAD SO TREATMENT COULD BE CONTINUED WITHOUT REMOVING THE PLATE. THE SURGEON CREATED A TEMPORARY SOLUTION BY MILLING THE PLATE TO MAKE A HOOK AND ATTACHED ETCHED PLASTIC DENTAL MATERIAL TO THE BROKEN END OF THE PLATE. THIS ENABLED TREATMENT, WHICH INVOLVES PULLING/DRAWING THE PLATE BY ELASTIC, TO CONTINUE. THE PLASTIC ATTACHMENT HAD BEEN CHANGED TWICE DURING THE SUMMER OF 2014 DUE TO FAILURE. DURING A FOLLOW UP EXAM ON (B)(6) 2014, THE PROVISIONAL ATTACHMENT WAS DETERMINED TO BE WORKING FINE. THE OTHER FIVE BONE ANCHOR PLATES ARE REPORTED TO BE WORKING CORRECTLY WITH NO BREAKAGE REPORTED. THIS COMPLAINT ADDRESSES THE BROKEN PLATE AND THE INITIAL PROCEDURES PERFORMED TO ADDRESS IT. A REVISION SURGERY WAS DETERMINED TO BE NECESSARY AS A PERMANENT SOLUTION TO ADDRESS THE BROKEN PLATE AND IS ADDRESSED IN RELATED COMPLAINT ((B)(4)). THIS REPORT IS 1 OF 2 FOR (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
346397 TI OBA PLATE ANCHOR DOMED DESIGN 4 HOLES IMPLANT, ENDOSSEOUS, ORTHODONTIC OAT SYNTHES ELMIRA 7432188

Patients

Seq Age Sex Outcome Treatment
1 Required Intervention