MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIDENT HEMISPHERICAL CLUSTER HOLE SHELL; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/CERAMIC/POLYMER, CEMENTED OR NON-POROUS

Catalog Number	502-11-52E
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Codes	Injury (2348); Joint Dislocation (2374)
Date of Event	05/08/2019
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 three 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
2nd dislocation of patients hip.
Additional Manufacturer Narrative
The report of dislocation was confirmed by clinical consultant however, cause could not be established due to insufficient information received.Need additional information; primary and revision operative reports, clinical and past medical history and additional serial dated x-rays.Review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.There have been 3 other similar events for the lot referenced, however this was for multiple dislocations resulting in closed reductions for the same patient.An evaluation of the device cannot be performed as the device was not returned to the manufacturer.Should additional information become available it will be reported in a supplemental report upon completion of the investigation.
Event or Problem Description
2nd dislocation of patients hip.

• Brand Name: TRIDENT HEMISPHERICAL CLUSTER HOLE SHELL
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/CERAMIC/POLYMER, CEMENTED OR NON-POROUS
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 9513202
• Report Number: 0002249697-2019-04094
• Device Sequence Number: 411344
• Product Code: LZO
• UDI-Device Identifier: 04546540432032
• UDI-Public: 04546540432032
• Combination Product (Y/N): N
• Initial Reporter Country: AU
• PMA/510(K) Number: K103233
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: health professional,other
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 12/30/2019

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 Expiration Date: 02/28/2024
• Device Catalogue Number: 502-11-52E
• Device Lot Number: 70009304
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 11/26/2019
• Supplement Date Received by Manufacturer: 12/20/2019
• Initial Report FDA Received Date: 12/23/2019
• Supplement Report FDA Received Date: 12/30/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention