USS VAS 499.375Recalls & reported problems
Synthes (U.S.A.) LP · 9.0MM TI USS VARIABLE AXIS SCREW 50MM THREAD LENGTH · Class 2
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 0
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 10705034793887), received between Apr 13, 2018 and Apr 13, 2018 — classified as 2 malfunctions.
The most frequently reported specific device problem is “Break” (2 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Most reported problems
Device problems
- Break2
Patient problems
- No Consequences Or Impact To Patient2
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
MalfunctionApr 13, 2018Break; Break
IT WAS REPORTED DURING A REVISION SURGERY THAT THE REMOVAL OF S1 SCREWS THAT TWO IMPLANT HOLDERS BROKE. ADDITIONALLY, WHILE REPLACING THE RIGHT S1 SCREW, TWO UNIVERSAL SPINE SYSTEM-VARIABLE ANGLE SCREWS (USS-VAS) BROKE - (THE LOCKING RING ON THE SCREW BECAME DISLODGED AND WOULD NOT WORK). A THIRD IMPLANT HOLDER BROKE DURING FINAL TIGHTENING, AND A TIP OF THE HOLDER BROKE OFF INTO THE LEFT S1 SCREW AND WAS NOT RETRIEVABLE. IT REMAINED IN THE PATIENT. WHILE INSPECTING THE USS-VAS SCREWDRIVERS, IT WAS DISCOVERED THAT THE TIPS OF THE DRIVERS WERE TWISTED. REPLACEMENTS WERE REQUESTED. THE REVISION SURGERY WAS CAPTURED AS A POSTOPERATIVE EVENT ON A RELATED PRODUCT COMPLAINT (B)(4). CONCOMITANT DEVICES REPORTED: UNKNOWN USS SCREWS (PART UNKNOWN, LOT UNKNOWN, QUANTITY 3). THIS IS REPORT 5 OF 7 FOR (B)(4).
Patient problems: No Consequences Or Impact To Patient
MAUDE report 7429763 ↗MalfunctionApr 13, 2018Break; Break
IT WAS REPORTED DURING A REVISION SURGERY THAT THE REMOVAL OF S1 SCREWS THAT TWO IMPLANT HOLDERS BROKE. ADDITIONALLY, WHILE REPLACING THE RIGHT S1 SCREW, TWO UNIVERSAL SPINE SYSTEM-VARIABLE ANGLE SCREWS (USS-VAS) BROKE - (THE LOCKING RING ON THE SCREW BECAME DISLODGED AND WOULD NOT WORK). A THIRD IMPLANT HOLDER BROKE DURING FINAL TIGHTENING, AND A TIP OF THE HOLDER BROKE OFF INTO THE LEFT S1 SCREW AND WAS NOT RETRIEVABLE. IT REMAINED IN THE PATIENT. WHILE INSPECTING THE USS-VAS SCREWDRIVERS, IT WAS DISCOVERED THAT THE TIPS OF THE DRIVERS WERE TWISTED. REPLACEMENTS WERE REQUESTED. THE REVISION SURGERY WAS CAPTURED AS A POSTOPERATIVE EVENT ON A RELATED PRODUCT COMPLAINT (B)(4). CONCOMITANT DEVICES REPORTED: UNKNOWN USS SCREWS (PART UNKNOWN, LOT UNKNOWN, QUANTITY 3). THIS IS REPORT 4 OF 7 FOR (B)(4).
Patient problems: No Consequences Or Impact To Patient
MAUDE report 7429731 ↗
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Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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