MAUDE Adverse Event Report: STRYKER SPINE-SWITZERLAND XIA 3 TITANIUM POLYAXIAL SCREW 8.5 X 45MM; PEDICLE SCREW SPINAL SYSTEM

Model Number	482318545
Medical Device Problem Code	Mechanical Problem (1384)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Date of Event	06/12/2017
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that; screw head popped off when final tightening blocker.Replaced screw with another 8.5 x 50 screw.
Additional Manufacturer Narrative
Manufacturing records were reviewed for the corresponding lot and no relevant issues were identified.Visual inspection of the device shows that the device was returned in 2 pieces as the tulip head was disengaged from the thread body.The most likely root cause of the event is determined to be use/patient's factor such as application of extensive force during final tightening and/or hard bone quality.
Event or Problem Description
It was reported that; screw head popped off when final tightening blocker.Replaced screw with another 8.5 x 50 screw.

• Brand Name: XIA 3 TITANIUM POLYAXIAL SCREW 8.5 X 45MM
• Common Device Name: PEDICLE SCREW SPINAL SYSTEM
• Manufacturer (Section D): STRYKER SPINE-SWITZERLAND; le crêt-du-locle 10 a; -; la chaux-de-fonds 2300 ; CH 2300
• MDR Report Key: 6687933
• Report Number: 3005525032-2017-00077
• Device Sequence Number: 18846499
• Product Code: MNI
• UDI-Device Identifier: 04546540598592
• UDI-Public: (01)04546540598592
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K083393
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2017
• Reporter Type: Manufacturer
• Report Source: distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 09/29/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: No Information
• Device Model Number: 482318545
• Device Catalogue Number: 482318545
• Device Lot Number: B38606
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 06/29/2017
• Initial Date Received by Manufacturer: 06/12/2017
• Supplement Date Received by Manufacturer: 06/12/2017
• Initial Report FDA Received Date: 07/05/2017
• Supplement Report FDA Received Date: 09/29/2017
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 48 YR
• Patient Weight: 60