OASYS 48558532Recalls & reported problems
Stryker Corporation · NON-BIASED POLYAXIAL SCREW · Class 2 · Implant
Data updated Oct 13, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 7
- Deaths reported
- 0
- Injuries reported
- 1
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 7 adverse event reports that list this exact device (DI 04546540596451), received between May 17, 2016 and Aug 27, 2021 — classified as 1 injury, 6 malfunctions.
The most frequently reported specific device problem is “Mechanical Problem” (4 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. How this data works · Data updated Oct 13, 2026.
Most reported problems
Device problems
- Mechanical Problem4
- Break3
- Detachment Of Device Component3
- Device Dislodged or Dislocated3
- Material Separation2
- Difficult to Remove1
- Mechanical Jam1
Patient problems
- No Known Impact Or Consequence To Patient4
- No Clinical Signs, Symptoms or Conditions3
- Device Embedded In Tissue or Plaque1
- Foreign Body In Patient1
Recent adverse event reports
The 7 most recent of 7 reports, in the reporter's own words as published by the FDA.
MalfunctionAug 27, 2021Mechanical Jam; Mechanical Jam
IT WAS REPORTED THAT THE TULIP OF AN OASYS POLYAXIAL SCREW DID NOT ENGAGE WITH THE OASYS POLYAXIAL SCREWDRIVERS DURING REPOSITIONING AT C7 INTRA-OPERATIVELY. THE PROCEDURE WAS COMPLETED SUCCESSFULLY WITHOUT SURGICAL DELAY. NO ADVERSE CONSEQUENCES NOR MEDICAL INTERVENTION WERE REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 12378326 ↗MalfunctionSep 23, 2020Material Separation; Material Separation
IT WAS REPORTED THAT TWO OASYS NON BIASED POLYAXIAL SCREW TULIPS DISENGAGED INTRA-OPERATIVELY DURING A SCHEDULED EXTENSION. DURING SCREW REMOVAL, THE TULIP HEADS POPPED OFF FROM THE SCREW SHANKS. THE SURGEON WAS ABLE TO REMOVE THE SCREW SHANKS AND COMPLETE THE SURGERY WITHOUT HARM TO THE PATIENT. THE EVENT DID RESULT IN A 45 MINUTE SURGICAL DELAY. THIS REPORT REPRESENTS THE FIRST OF THE TWO SCREWS.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 10573464 ↗MalfunctionSep 23, 2020Material Separation; Material Separation
IT WAS REPORTED THAT TWO OASYS NON BIASED POLYAXIAL SCREW TULIPS DISENGAGED INTRA-OPERATIVELY DURING A SCHEDULED EXTENSION. DURING SCREW REMOVAL, THE TULIP HEADS POPPED OFF FROM THE SCREW SHANKS. THE SURGEON WAS ABLE TO REMOVE THE SCREW SHANKS AND COMPLETE THE SURGERY WITHOUT HARM TO THE PATIENT. THE EVENT DID RESULT IN A 45 MINUTE SURGICAL DELAY. THIS REPORT REPRESENTS THE SECOND OF THE TWO SCREWS.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 10573462 ↗MalfunctionNov 14, 2016Mechanical Problem; Detachment Of Device Component; Mechanical Problem
IT WAS REPORTED THAT; THE TULIP HEAD OF A 4.5 SCREW POPPED OFF WHILE IMPLANTING.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 6100729 ↗MalfunctionSep 13, 2016Break; Detachment Of Device Component; Mechanical Problem; Device Dislodged or Dislocated; Mechanical Problem; Device Dislodged or Dislocated
IT WAS REPORTED THAT DURING A POSTERIOR THORACIC REVISION CASE WHILE REMOVING A SCREW, THE TULIP HEAD SNAPPED OFF LEAVING THE THREAD IMPLANTED. ADDITIONALLY, WHILE REMOVING IMPLANTS, SEVERAL INSTRUMENTS WERE DAMAGED/STRIPPED OR BROKEN.
Patient problems: Foreign Body In Patient; No Known Impact Or Consequence To Patient
MAUDE report 5945561 ↗MalfunctionMay 17, 2016Break; Detachment Of Device Component; Mechanical Problem; Device Dislodged or Dislocated; Mechanical Problem; Device Dislodged or Dislocated
IT WAS REPORTED THAT; THE TULIP HEAD BROKE OFF OF SCREW AT T1. THE OTHER SCREW ALSO AT T1 WAS STRIPPED AND UNABLE TO BE REMOVED OR ADVANCED FURTHER.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 5661390 ↗InjuryMay 17, 2016Break; Mechanical Problem; Difficult to Remove; Device Dislodged or Dislocated; Mechanical Problem; Device Dislodged or Dislocated
IT WAS REPORTED THAT; THE TULIP HEAD BROKE OFF OF SCREW AT T1. THE OTHER SCREW ALSO AT T1 WAS STRIPPED AND UNABLE TO BE REMOVED OR ADVANCED FURTHER. UPDATE (26-APR-2016): THE STRIPPED SCREW REMAINS IN PATIENT. THE DETACHED TULIP FORCED HIM TO ADD EXTRA LEVEL WHICH ADDED 45 MIN TO CASE.
Patient problems: Device Embedded In Tissue or Plaque; No Known Impact Or Consequence To Patient
MAUDE report 5661383 ↗
Other Orthosis, cervical pedicle screw spinal fixation devices
- INFINITY™ Occipitocervical Upper Thoracic System 3604026Medtronic Sofamor Danek, Inc. · Orthosis, cervical pedicle screw spinal fixation2 recalls1 report
- CONNECTOR 79-2003Orthofix US LLC · Posterior cervical screw system1 recall0 reports
- INFINITY™ Occipitocervical Upper Thoracic System 3604024Medtronic Sofamor Danek, Inc. · Orthosis, cervical pedicle screw spinal fixation1 recall0 reports
- CONNECTOR 79-2002Orthofix US LLC · Posterior cervical screw system1 recall0 reports
- INFINITY™ Occipitocervical Upper Thoracic System 3604532Medtronic Sofamor Danek, Inc. · Orthosis, cervical pedicle screw spinal fixation1 recall0 reports
- INFINITY™ Occipitocervical Upper Thoracic System 360PT4022Medtronic Sofamor Danek, Inc. · Orthosis, cervical pedicle screw spinal fixation1 recall0 reports
- OASYS 48551000Stryker Corporation · Orthosis, cervical pedicle screw spinal fixation45 reports
- SYMPHONY 1020-35-112Medos International Sàrl · Posterior cervical screw system6 deaths15 reports
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 13, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 13, 2026
- Page last rebuilt: Oct 13, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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