MAUDE Adverse Event Report: MEDOS INTERNATIONAL SÃ RL CH VIPER SYSTEM POLYAXIAL WIDE LAG SCREW 5.5 9 X 70MM; ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DDD

Model Number	179704970
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/14/2023
Type of Reportable Event	Malfunction
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.Complainant part is expected to be returned for manufacturer review/investigation but has yet to be received.The investigation could not be completed; no conclusion could be drawn, as no product was received.Based on the information available, it has been determined that no corrective and/or preventative action is proposed.This complaint will be accounted for and monitored via post market surveillance activities.If additional information is made available, the investigation will be updated as applicable.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 japan as follows: it was reported that on (b)(6) 2023, during a posterior spinal fusion (ilium) for the spinal trauma the rod was installed to the screw, and the final locking of the set screw was performed.When the surgeon tried to remove the set screw for adjustment of rod position, the surgeon felt spinning idle, and the set screw could not be removed from the screw head.Although the set screw was eventually removed, and was found broken.All the fragments were removed.It was found that the screw head threads were also broken, and were replaced with a new set of screw.No further information is available.This report is for one (1) viper system polyaxial wide lag screw 5.5 9 x 70mm.This is report 2 of 2 for complaint (b)(4).
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.The device was received, the investigation is in progress, no conclusion could be drawn at the time of filing this report.If information is obtained that was not available for this 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.A review of the receiving inspection (ri) for exp 5.5 ti sai poly 9x70mm was conducted identifying that lot number tbkhn released in one batch.Batch1: lot qty of (b)(4) units were released on 13 jun 2015 with no discrepancies.Supplier: tomz corp.As a result, the ri identified no issues during the manufacturing and release of this device that could have contributed to the problem reported by the customer.The product was returned to depuy synthes for evaluation.The depuy synthes team conducted a visual inspection of the returned device.Visual analysis of the returned sample revealed that the viper ti sai poly 9x70mm was found the threads stripped.The allegation of broken cannot be confirmed.A dimensional inspection for the viper ti sai poly 9x70mm was unable to be performed as it is not applicable to the complaint condition.The observed condition of the device was consistent with a random component failure that may have been caused by exposure to unintended forces.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.The overall complaint was confirmed as the observed condition of the viper ti sai poly 9x70mm would contribute to the complained device issue.There is no indication that a design or manufacturing issue has caused the complaint condition and hence the root cause cannot be determined.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.If information is obtained that was not available for this medwatch, a follow-up medwatch will be filed as appropriate.

• Brand Name: VIPER SYSTEM POLYAXIAL WIDE LAG SCREW 5.5 9 X 70MM
• Common Device Name: ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DDD
• Manufacturer (Section D): MEDOS INTERNATIONAL SÃ RL CH; chemin-blanc 38; le locle 02400 ; SZ 02400
• Manufacturer (Section G): MEDOS INT SPINE; chemin blanc 38; le locle ; SZ
• Manufacturer Contact: daniel seng ; eisenbahnstrasse 84; wurmlingen D-785-73 ; GM D-78573 ; 6103142063
• MDR Report Key: 16495360
• Report Number: 1526439-2023-00420
• Device Sequence Number: 6239586
• Product Code: NKB
• UDI-Device Identifier: 10705034265827
• UDI-Public: (01)10705034265827
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K160904
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup

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: Health Professional
• Device Model Number: 179704970
• Device Catalogue Number: 179704970
• Device Lot Number: TBKHN
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/14/2023
• Supplement Date Received by Manufacturer: 03/16/2023; 04/19/2023
• Initial Report FDA Received Date: 03/07/2023
• Supplement Report FDA Received Date: 03/30/2023; 05/03/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/13/2015
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: MIS SINGLE INNER SETSCW; UNKNOWN RODS
• Patient Sex: Unknown