MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIDENTII TRITANIUM MULTI 52E; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Model Number	709-04-52E
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Hip Fracture (2349)
Date of Event	05/18/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Reported event: an event regarding periprosthetic fracture involving a trident ii shell was reported.The event was not confirmed.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device was not returned.Clinician review: a review of the provided medical information by a clinical consultant indicated: confirmation: the event cannot be confirmed without additional medical records.Root cause: one cannot ascertain a root cause without first confirming the event.That said, if a revision occurred as a result of trauma, unless there were predisposing factors, it would be unlikely that there was a hazard associated with the implants.Product history review: review of the device history records indicate the devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the lot referenced.Conclusions: it was reported that the patient's hip was revised due to the patient tripped after implantation and impacting the shell into the acetabulum.Clinician review of the provided medical record indicated that the event cannot be confirmed without additional medical records.The revision occurred as a result of trauma, unless there were predisposing factors, it would be unlikely that there was a hazard associated with the implants.The exact cause of the event could not be determined because insufficient information was provided.Further information such as return of the device, pathology reports, pre- and post-operative x-rays and the primary operative report as well as patient history and follow-up notes are needed to complete the investigation for determining root cause.No further investigation for this event is possible at this time.If devices and / or additional information become available to indicate further evaluation is warranted, this record will be reopened.
Event or Problem Description
It was reported that the patient's left hip was revised due to the patient tripped after implantation and impacting the shell into the acetabulum.A trident tritanium multi hole shell and four screws were revised.Aside from attached x-ray, rep confirmed that no further information would be released by the hospital or surgeon.

• Brand Name: TRIDENTII TRITANIUM MULTI 52E
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 11968790
• Report Number: 0002249697-2021-00993
• Device Sequence Number: 19921916
• Product Code: LPH
• UDI-Device Identifier: 07613327344011
• UDI-Public: 07613327344011
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: K171768
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2021
• Reporter Type: Manufacturer
• Report Source: health professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 06/09/2021

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: 08/31/2024
• Device Model Number: 709-04-52E
• Device Catalogue Number: 709-04-52E
• Device Lot Number: 74324301
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/18/2021
• Initial Report FDA Received Date: 06/09/2021
• 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
• Patient Age: 65 YR