4.0MM TI CANCELLOUS BONE SCREWSLF-TPNGNARIABLE A
Report
- Report Number
- 2520274-2011-00540
- Event Type
- Injury
- Date Received
- August 9, 2011
- Date of Event
- July 12, 2011
- Report Date
- July 12, 2011
- Manufacturer
- SYNTHES MONUMENT
- Product Code
- HWC
- PMA / PMN Number
- K033844
- Adverse Event
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- IL, US
- Reporter Occupation
- HEALTH PROFESSIONAL
- Health Professional
- Yes
Narratives
WITHOUT THE PLATE AND SCREWS RETURNED IT CANNOT BE DETERMINED IF ANY HARDWARE NON-CONFORMANCES LED TO THIS EVENT. BASED ON THE X-RAYS THE ANGULATION OF THE SCREW COULD HAVE CONTRIBUTED TO THE BACKOUT, BUT IT CANNOT BE DETERMINED IF THIS OCCURRED DURING INSERTION, OR AFTER SOME SETTLING/ANATOMICAL CONSTRUCT MOTION. THE DESIGN RISK ASSESSMENT WAS REVIEWED AND WAS FOUND TO BE ADEQUATE FOR THE INTENDED USE.
THE INVESTIGATION COULD NOT BE COMPLETED, NO CONCLUSION COULD BE DRAWN, AS NO PRODUCT WAS RETURNED. W/O A LOT NUMBER, THE DEVICE HISTORY RECORDS REVIEW COULD NOT BE REQUESTED.
PT STATUS POST ACDF C4-5, C5-6 IMPLANTATION ON AN UNK DATE HAD AN X-RAY ON AN UNK DATE THAT SHOWED A NON-UNION AND ADJACENT LEVEL DISEASE. THE PLATE AND SIX SCREWS WERE INTACT AND NOT BROKEN. DURING THE PROCESS OF REMOVAL OF THE PLATE AND SCREWS, A PIECE OF THE EXTRACTION SCREWDRIVER BROKE OFF. SURGEON VACUUMED UP THE PART AND COMPLETED REMOVING THE PLATE AND SCREWS W/O INCIDENT. PT WAS REVISED TO TWO PLATES AND SCREWS. THIS IS SIX OF SEVEN REPORTS FOR THIS EVENT.
FIRST ACDF PROCEDURE WAS PERFORMED AT LEVEL, C5-6, C6-7. SURGEON REPORTED THERE WAS A NON-UNION AT C6-7 AND PATIENT WAS REVISED TO FUSION AT LEVELS C3-4, C4-5, AND C6-7.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | 4.0MM TI CANCELLOUS BONE SCREWSLF-TPNGNARIABLE A | CANCELLOUS BONE SCREWSLF-TPNG | HWC | SYNTHES MONUMENT |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 53 YR | Male | PLATE| PLATE |