MAUDE Adverse Event Report: MEDOS INTERNATIONAL SÃ RL CH VELYS NAVIGATION STATION; ORTHOPEDIC STEREOTAXIC INSTRUMENT

Catalog Number	451611000
Medical Device Problem Code	Malposition of Device (2616)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/13/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
This report is being submitted pursuant to the provisions of 21 cfr, part 803 (and/or part 4, as applicable).This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes, or its employees that the report constitutes an admission that the product, depuy synthes, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.
Event or Problem Description
Problem reported: customer reported room two of two rooms using the same system back and forth.Both rooms needed screw revisions.Room 2 performing l3 to l4 ptp screw was in the disc space and needed to be adjusted.What step were they on when this issue occurred? setting up screw placements.Was this a robotic or navigation only procedure? navigation only troubleshooting: revised screw in disc space.Velys was not aborted.They were able to use the velys system to revise the screw and correct the issue.Completed case.
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.H11 additional narrative: h3, h6: investigation summary: according to the information received, the issue with the following product: 451611000 sn (b)(6).Customer reported room two of two rooms using the same system back and forth.Both rooms needed screw revisions.Room 2 performing l3 to l4 ptp screw was in the disc space and needed to be adjusted.Investigation summary : the investigation confirmed the described issue (screw misplacement).This issue was investigated and reviewed by the system team.The investigation showed that potential causes could be related to unintended motion of the patient array or skiving during instrument use and positioning.Exact root cause could not be determined.There were no defects found with the system and software.The reporter indicated that there was no negative impact to the patient outcome and no patient harm and the investigation indicates that the system was behaving properly.This issue will be continued to be monitored through complaint trending as part of post market surveillance.Root cause: could not be determined.Additional complaint information monitoring for potential safety signals is conducted through complaint trending as part of post market surveillance.Device history review (dhr): review of the device history record(s) showed that there were no issues during the manufacture of this product which would contribute to this complaint condition.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

• Brand Name: VELYS NAVIGATION STATION
• Common Device Name: ORTHOPEDIC STEREOTAXIC INSTRUMENT
• Manufacturer (Section D): MEDOS INTERNATIONAL SÃ RL CH; chemin-blanc 38; le locle 02400 ; SZ 02400
• Manufacturer (Section G): DEPUY SYNTHES PRODUCTS LLC; 4500 riverside drive; palm beach gardens FL
• Manufacturer Contact: elba bello ; chemin blanc 38; le locle ; SZ ; 9083863534
• MDR Report Key: 22994765
• Report Number: 1526439-2025-01140
• Device Sequence Number: 9519747
• Product Code: OLO
• UDI-Device Identifier: 10705034645995
• UDI-Public: (01)10705034645995
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: K233228
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• 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?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 451611000
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 08/20/2025
• Supplement Date Received by Manufacturer: 10/16/2025
• Initial Report FDA Received Date: 09/08/2025
• Supplement Report FDA Received Date: 10/17/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown