MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH UNITRAX MODULAR ENDO HEAD 55MM; PROSTHESIS, HIP, HEMI-, FEMORAL, METAL

Catalog Number	6942-5-055
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Joint Dislocation (2374)
Date of Event	06/25/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.There have been no other similar events for the lot referenced.It was noted that the device is not available for evaluation.Should additional information become available, it will be provided in a supplemental report upon completion of the investigation.
Event or Problem Description
Revised a hemi hip due to dislocation.Revised the head and sleeve and felt it was possible soft tissue was impinging and causing the dislocation.He decided with clinical judgement to go from a 55 to a 53 head and with a std sleeve rather than -4.

• Brand Name: UNITRAX MODULAR ENDO HEAD 55MM
• Common Device Name: PROSTHESIS, HIP, HEMI-, FEMORAL, METAL
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: marisol santiago ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 22580605
• Report Number: 0002249697-2025-00710
• Device Sequence Number: 12535541
• Product Code: KWL
• UDI-Device Identifier: 07613327032499
• UDI-Public: 07613327032499
• Combination Product (Y/N): N
• Initial Reporter State: RI
• Initial Reporter Country: US
• PMA/510(K) Number: K014226
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 07/23/2025

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?: No
• Operator of Device: Health Professional
• Device Catalogue Number: 6942-5-055
• Device Lot Number: H1196E
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 06/25/2025
• Initial Report FDA Received Date: 07/23/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/16/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Age: 83 YR
• Patient Sex: Male