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

Model Number	502-11-54E
Medical Device Problem Codes	Loss of Osseointegration (2408); Malposition of Device (2616)
Health Effect - Clinical Code	Inadequate Osseointegration (2646)
Date of Event	03/21/2022
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
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.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.
Event or Problem Description
Trident cup was loose in bone, and turned to an undesirable position.
Event or Problem Description
Trident cup was loose in bone, and turned to an undesirable position.
Additional Manufacturer Narrative
Reported event: an event regarding loosening involving a trident shell was reported.The event was not confirmed.Method & results: -product evaluation and results: visual inspection: visual inspection of the returned device indicated that the device has residue on the outer shell consistent with time spent implanted and minor scratches consistent with explantation.There is nothing further remarkable to note.-clinician review: no medical records were received for review with a clinical consultant.-product history review: review of the device history records indicate 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 was revised due to loosening of the cup.Visual inspection of the returned device indicated that the device has residue on the outer shell consistent with time spent implanted and minor scratches consistent with explantation.There is nothing further remarkable to note.The exact cause of the event could not be determined because insufficient information was provided.Further information such as 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 additional information becomes available to indicate further evaluation is warranted, this record will be reopened.

• Brand Name: TRIDENT HEMISPHERICAL CLUSTER HOLE SHELL
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-CORK; ida industrial estate; carrigtwohill NA ; EI NA
• Manufacturer Contact: diana rogers ; 210 centennial avenue; centennial park, elstree; borehamwood, NJ WD6 3-SJ ; UK WD6 3SJ ; 2018315000
• MDR Report Key: 14071304
• Report Number: 0002249697-2022-00500
• Device Sequence Number: 2570166
• Product Code: LPH
• UDI-Device Identifier: 04546540432049
• UDI-Public: 04546540432049
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K013676
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2022
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 09/02/2022

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 Model Number: 502-11-54E
• Device Catalogue Number: 502-11-54E
• Device Lot Number: 89058501
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/21/2022
• Supplement Date Received by Manufacturer: 08/19/2022
• Initial Report FDA Received Date: 04/11/2022
• Supplement Report FDA Received Date: 09/02/2022
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/24/2021
• 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: Required Intervention; Hospitalization
• Patient Age: 84 YR
• Patient Sex: Male
• Patient Weight: 88 KG