MAUDE Adverse Event Report: OBERDORF SYNTHES PRODUKTIONS GMBH TI COLLAR WITH GROOVES; ORTHOSIS,SPONDYLOSTHESIS SPINAL FIXATION

Model Number	498.011
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Code Available (3191)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Additional product codes: mni, kwp, nkb, kwq.Initial reporter is synthes sales representative.The device was received; the investigation is in progress.No conclusion could be drawn at the time of filing this report.A review of the device history records has been requested.(b)(4).Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
Event or Problem Description
Device report from synthes reports an event in (b)(6) as follows: it was reported that a patient underwent a revision surgery on (b)(6) 2018 due to (2) broken uss sleeves.The patient was originally operated with a fixation of the sacrum-lumbar spine (l4-l5-s1) on (b)(6) 2018, using materials of swiss origin.Two months after the surgery, the patient had a radiological check showing the rupture of the uss sleeves for the uss pedicle screws that fix the titanium hard rod to the spine.No fall, sudden movement, or imprudence was committed in the interval.Also no acute pain that was insinuated such a fact, was perceived.When the issue was noticed, the surgeon sent the patient to operation to make the necessary adjustments.During surgery, they found the (2) uss sleeves broken.The procedure was successfully completed with no surgical delay.Patient outcome was stable.Concomitant devices reported: uss pedicle screw, side-opening (part #: 498.650, lot #: unknown, quantity: unknown).Titanium hard rod (part #: 498.106, lot #: unknown, quantity: unknown).This report is for one (1) ti collar with grooves.This is report 1 of 2 for (b)(4).
Additional Manufacturer Narrative
Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
Additional Manufacturer Narrative
Depuy synthes is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.If the information is unknown, not available or does not apply, the section/field of the form is left blank.Device history lot.Part: 498.011.Lot: l521068.Manufacturing site: mezzovico.Release to warehouse date: 11.Nov.2017 the device history record shows this lot of 100 pieces was processed through the normal manufacturing and inspection operations with no rework or nonconformities noted.This lot met all dimensional, visual and packaging criteria at the time of release with no issues documented during the manufacturing process.The raw material was confirmed to be correct per the specification with no non-conformance noted.Review of the device history record showed that there were no issues during the manufacture of this product which would contribute to this complaint condition.Investigation summary visual inspection: the visual inspection performed on the returned ti collar with grooves noted that collar was broken halfway longitudinally across it last teeth surface.Both broken halves were returned, and no other issues were noted.The returned device condition is consistent with the reported condition.Therefore, the complaint condition was confirmed.Dimensional inspection: dimensional analysis performed on the thickness of the collar circumference measured 1.80 mm that falls within the specification of 1.665 mm and 1.8 mm considering both conditions of least and max material on both outer and inner diameters document/specification review: review of the device history record(s) showed that there were no issues during the manufacture of this product that would contribute to this complaint condition.The raw material was confirmed to be correct per the specification with no non-conformance noted.Conclusion: the complaint condition is confirmed.However, there is no indication that a design or manufacturing issue contributed to the complaint.No definitive root cause could be determined.No new malfunctions were observed during the course of this investigation.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

• Brand Name: TI COLLAR WITH GROOVES
• Common Device Name: ORTHOSIS,SPONDYLOSTHESIS SPINAL FIXATION
• Manufacturer (Section D): OBERDORF SYNTHES PRODUKTIONS GMBH; eimattstrasse 3; oberdorf 4436 ; SZ 4436
• MDR Report Key: 7974425
• Report Number: 8030965-2018-57388
• Device Sequence Number: 1487844
• Product Code: MNH
• UDI-Device Identifier: 10705034788593
• UDI-Public: (01)10705034788593
• Combination Product (Y/N): N
• Initial Reporter Country: BL
• PMA/510(K) Number: K992739
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2018
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 10/02/2018

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 498.011
• Device Catalogue Number: 498.011
• Device Lot Number: L521068
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/12/2018
• Initial Date Received by Manufacturer: 10/02/2018
• Supplement Date Received by Manufacturer: 11/28/2018; 12/19/2018
• Initial Report FDA Received Date: 10/17/2018
• Supplement Report FDA Received Date: 11/29/2018; 12/19/2018
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 55 YR