MAUDE Adverse Event Report: MEDOS INTERNATIONAL SÃ RL CH VIPER SYSTEM FENESTRATED CORTICAL FIX POLYAXIAL SCREW 5.5 X 6 X 50MM; ORTHOSIS, SPINAL PEDICLE FIXATION

Model Number	186727650
Medical Device Problem Codes	Break (1069); Entrapment of Device (1212)
Health Effect - Clinical Code	Failure of Implant (1924)
Type of Reportable Event	Serious Injury
Event or Problem Description
Device report from synthes reports an event in australia as follows: it was reported that the patient underwent surgery on an unknown date in 2016 to treat a fracture.On (b)(6) 2023, three screws were found to be broken.The surgeon stated that they broke due to being in the patient for too long and that they should have been removed 12 months postoperatively.The metalware was removed, and broken screw shafts remained the patient.Nothing new was implanted; the goal of the original fixation had been achieved.The patient outcome was reported to be fine.This report involves one viper system fenestrated cortical fix polyaxial screw 5.5 x 6 x 50mm this is report 3 of 3 for (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.D2b: additional device product codes: pml.D9: complainant part is not expected to be returned for manufacturer review/investigation.D6a: implantation occurred on an unknown date in 2016.H3, h4, h6: without a lot number the device history records review could not be completed.Product was not returned.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.
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.H10 additional narrative: the photo was returned to depuy synthes for evaluation.The depuy synthes team conducted a visual inspection of the returned device from the photo.Visual analysis of the photo revealed that the on of the polyaxial head of one of the viper screws, broke off.The broken fragment was observed embedded within the body of the patient.Based on the provided evidence, the investigation can confirm the embedded device allegation.As the device was not returned, an as-received condition could not be assessed, and a dimensional inspection and document/specification review were not completed.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.The overall complaint was confirmed for mis ti cfx fen poly 6x50, p/n: 186727650.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 FENESTRATED CORTICAL FIX POLYAXIAL SCREW 5.5 X 6 X 50MM
• Common Device Name: ORTHOSIS, SPINAL PEDICLE FIXATION
• 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: kate karberg ; chemin-blanc 38; le locle ; SZ ; 3035526892
• MDR Report Key: 16852753
• Report Number: 1526439-2023-00775
• Device Sequence Number: 6771523
• Product Code: MNI
• UDI-Device Identifier: 10705034282572
• UDI-Public: (01)10705034282572
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K160879
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup

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: 186727650
• Device Catalogue Number: 186727650
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/14/2023
• Supplement Date Received by Manufacturer: 05/05/2023
• Initial Report FDA Received Date: 05/02/2023
• Supplement Report FDA Received Date: 05/08/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• 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 TI CFX FEN POLY 5X45; MIS TI CFX FEN POLY 5X45
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 43 YR
• Patient Sex: Male