MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIDENTII PSL CLUSTER48D; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Model Number	742-11-48D
Medical Device Problem Code	Malposition of Device (2616)
Health Effect - Clinical Code	Injury (2348)
Date of Event	02/06/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An event regarding malposition involving a trident shell was reported.The event was not confirmed.Method & results: product evaluation and results: visual, dimensional, functional and material analysis could not be performed as the device was not returned.Clinician review: no medical records were received for review with a clinical consultant.Product history review: all 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 reported lot.Conclusions: it was reported that the patient had revision due to cup malposition.The event could not be confirmed, nor the root cause determined because the devices were not returned for evaluation and insufficient medical information was provided.Further information such as medical documentation and returned devices are needed.If the devices and/or additional information are received, this investigation will be reopened and re-evaluated.Device not returned.
Event or Problem Description
As reported: "cup was malpositioned.Surgeon removed cup, liner, screws, head and implanted new cup, screws, liner, head.Surgeon satisfied with new position of cup.Information submitted was everything from both hospital and surgeon.No further details." rep confirmed there are no allegations against the revised head or liner.

• Brand Name: TRIDENTII PSL CLUSTER48D
• 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: 9794155
• Report Number: 0002249697-2020-00458
• Device Sequence Number: 2411467
• Product Code: LPH
• UDI-Device Identifier: 07613327380941
• UDI-Public: 07613327380941
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: K171768
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: health professional,other
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/05/2020

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: 09/30/2023
• Device Model Number: 742-11-48D
• Device Catalogue Number: 742-11-48D
• Device Lot Number: 67046604
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/06/2020
• Initial Report FDA Received Date: 03/05/2020
• 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: 76 YR
• Patient Weight: 80