MAUDE Adverse Event Report: Synthes GmbH OSCILLATING SAW ATCH, LARGE, WITH KEY; INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED MOTOR AND ACCESSORY/ATTACHMENT

Catalog Number	532.026
Medical Device Problem Codes	Device Slipped (1584); Premature Separation (4045)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/15/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that during service and evaluation, it was determined that the oscillating saw attachment device had an unintended/unexpected disengagement.It was noted in the service order that during an unspecified surgical procedure, it was discovered that when the "tplo" attachment was connected to the unium handpiece and operated, the attachment's locking mechanism rotated and became loose by itself.It was not reported if there were any delays in the surgical procedure or if a spare device was available for use.There were no reports of injuries, medical intervention, or prolonged hospitalization.All available information has been disclosed.
Additional Manufacturer Narrative
This report is being submitted pursuant to the provisions of 21 cfr, part 803.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.H11 additional narrative: investigation summary: the actual device was returned for evaluation.A visual and functional assessment was performed on the device.The following steps failed: check function of locking mechanism.During the service evaluation the following failures were identified: device interaction (2+ devices): unintended/unexpected disengagement.Functional: does not function.Conclusion: failure reported is not confirmed.The root cause was determined to be due to component failure from wear.

• Brand Name: OSCILLATING SAW ATCH, LARGE, WITH KEY
• Common Device Name: INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED MOTOR AND ACCESSORY/ATTACHMENT
• Manufacturer (Section D): Synthes GmbH; eimattstrasse 3; oberdorf 4436 ; SZ 4436
• Manufacturer Contact: elba bello ; eimattstrasse 3; oberdorf 04436 ; SZ 04436 ; +1(908)386-3534
• MDR Report Key: 50531154
• Report Number: 8030965-2026-08683
• Device Sequence Number: 6012653
• Product Code: HWE
• UDI-Device Identifier: 07611819996069
• Combination Product (Y/N): N
• Initial Reporter Country: SN
• PMA/510(K) Number: Exempt
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility,Company Representative
• Type of Report: Initial
• Report Date (Section B): 08/31/2026

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: 532.026
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 07/22/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/26/2026
• Initial Report FDA Received Date: 08/31/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/28/2024
• 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