FDA Adverse Event Injury Summary report: N

T25 STARDRIVE SHAFT F/MATRIX LONG

MDR report key: 3041356 · Received April 8, 2013

Report

Report Number
1719045-2013-10546
Event Type
Injury
Date Received
April 8, 2013
Date of Event
June 30, 2011
Report Date
June 30, 2011
Manufacturer
SYNTHES MONUMENT
Product Code
HXX
PMA / PMN Number
EXEMPT
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
PA
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

SYNTHES IS SUBMITTING THIS REPORT AS A RESULT OF REMEDIATION ACTIVITIES RELATED TO FDA WARNING LETTER DATED FEBRUARY 2012. DEVICE(S) LISTED IN THIS REPORT IS (ARE) USED FOR TREATMENT, NOT DIAGNOSIS. ANY ADDITIONAL INFORMATION RECEIVED REGARDING THIS EVENT AFTER FILING THIS REPORT SHALL BE FILED ON A SUPPLEMENTAL MDR A REVIEW OF SYNTHES DEVICE HISTORY RECORDS FOR MANUFACTURING REVEALED NO COMPLAINT RELATED ISSUES. MANUFACTURING EVALUATION REVEALED THAT THE STARDRIVE SHAFT WAS RETURNED WITH THE STARDRIVE FORM ROUNDED. THERE ARE SCRATCHES ON THE SHAFT INDICATING USE. THE MEASURABLE DIMENSIONS ARE WITHIN PRINT SPECIFICATION. THIS COMPLAINT IS INVALID FROM A MANUFACTURING STANDPOINT. BASED ON THE CONDITION OF THE RETURNED DEVICE AND THE EVALUATION, THE COMPLAINT IS DEEMED INVALID FROM A MANUFACTURER STANDPOINT. PRODUCT DEVELOPMENT EVALUATION REVEALED THAT THE DESCRIPTION OF A STRIPPED CAP DRIVER WAS NOT EVIDENT ON THE RETURNED DEVICE. THE STARDRIVE SHAFT WAS EVALUATED USING THE TORQUE LIMITING HANDLE 03.620.061 THAT WAS ALSO RETURNED WITH THIS COMPLAINT. THE SHAFT/HANDLE COMBINATION WAS ABLE TO DELIVER THE CORRECT AMOUNT OF TORQUE TO TIGHTEN A MATRIX LOCKING CAP. THE SAME SHAFT/HANDLE COMBINATION WAS ALSO ABLE TO LOOSEN A MATRIX LOCKING CAP WITHOUT ISSUE. A SECOND EVALUATION WAS PERFORMED USING THE STARDRIVE SHAFT FROM THIS COMPLAINT AND A DIGITAL TORQUE METER. THE STARDRIVE SHAFT WAS ABLE TO DELIVER 12NM OF LOCKING TORQUE TO THE LOCKING CAP AND APPEARED TO BE FUNCTIONING AS INTENDED. 12NM IS THE MAXIMUM AMOUNT OF TORQUE THAT THE TORQUE LIMITING HANDLE CAN PROVIDE SO THE STARDRIVE SHAFT SHOULD NEVER SEE A TORQUE IN EXCESS OF THIS AMOUNT. THE DEVICE APPEARS TO BE FUNCTIONING AS INTENDED AND DOES NOT SEEM TO BE A CONTRIBUTING FACTOR TO THE STUCK LOCKING CAP. BASED ON THE ABOVE EVALUATIONS, THE COMPLAINT FOR 03.632.072 IS DEEMED INVALID.

Additional Manufacturer Narrative · 1

SYNTHES IS SUBMITTING THIS REPORT AS A RESULT OF REMEDIATION ACTIVITIES RELATED TO FDA WARNING LETTER DATED FEBRUARY 2012. DEVICE(S) LISTED IN THIS REPORT IS (ARE) USED FOR TREATMENT, NOT DIAGNOSIS. ANY ADDITIONAL INFORMATION RECEIVED REGARDING THIS EVENT AFTER FILING THIS REPORT SHALL BE FILED ON A SUPPLEMENTAL MDR. ORIGINAL AWARENESS DATE IS (B)(4) 2011.

Description of Event or Problem · 1

IT WAS REPORTED THAT DURING A PLACEMENT OF HARDWARE FOR A LUMBAR DECOMPRESSION AND FUSION AT L4-S1, SURGEON DECIDED TO REPOSITION A SCREW AFTER REVIEWING THE X-RAYS. THE LOCKING CAP GOT STUCK IN THE LEFT L4 PEDICLE SCREW. SURGEON USED REMOVAL TECHNIQUE AND CAP DRIVERS BECAME STRIPPED. TWO T25 STARDRIVE SHAFTS AND THE TORQUE LIMITING RATCHET HANDLE STRIPPED DURING LOCKING CAP REMOVAL AT LEFT L4, SURGEON REMOVED AND REPLACED TWO LOCKING CAPS HOWEVER, ONE LOCKING CAP AND SCREW COULD NOT BE REMOVED AND REMAIN IN THE PATIENT. ON THE RIGHT SIDE, THREE LOCKING CAPS WERE REMOVED AND REPLACED. SURGEON REPLACED L5 SCREW WITH ANOTHER SCREW AND CAP TO COMPLETE PROCEDURE. THE PROCEDURE COMPLETED, BUT WAS PROLONGED FORTY-FIVE MINUTES. THIS IS REPORT 7 OF 7 FOR THIS EVENT.

Description of Event or Problem · 1

THIS IS REPORT 7 OF 7 FOR THIS COMPLAINT (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
143064 T25 STARDRIVE SHAFT F/MATRIX LONG HXX SYNTHES MONUMENT 6457221

Patients

Seq Age Sex Outcome Treatment
1 Required Intervention