MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH PRIMARY TRITANIUM HEMI CLUSTER HOLE CUP 56MM; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Model Number	502-03-56E
Medical Device Problem Code	Loss of Osseointegration (2408)
Health Effect - Clinical Code	Inadequate Osseointegration (2646)
Date of Event	03/16/2022
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient's right hip was revised due to aseptic loosening of the acetabular shell.The shell, head, and liner were revised.Rep confirmed there are no allegations against the revised head and liner.
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.Device not returned to the manufacturer.
Additional Manufacturer Narrative
Reported event: an event regarding acetabular shell loosening involving a trident shell was reported.The event was not confirmed.Method & results: device evaluation and results: no product was returned for evaluation however photographs were provided for review.The photographs show recently explanted product.Blood and biological material is visible on the explanted devices.The shell appears unremarkable.Clinician review: no medical records were received for review with a clinical consultant.Device 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.Conclusion: the event could not be confirmed as insufficient information was provided.Further information such as device return, pre- and post-operative x-rays, 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 become available to indicate further evaluation is warranted, this record will be reopened.
Event or Problem Description
It was reported that the patient's right hip was revised due to aseptic loosening of the acetabular shell.The shell, head, and liner were revised.Rep confirmed there are no allegations against the revised head and liner.

• Brand Name: PRIMARY TRITANIUM HEMI CLUSTER HOLE CUP 56MM
• 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-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: diana rogers ; 210 centennial avenue; centennial park, elstree; borehamwood, NJ WD6 3-SJ ; UK WD6 3SJ ; 2018315000
• MDR Report Key: 14070977
• Report Number: 0002249697-2022-00488
• Device Sequence Number: 12296313
• Product Code: LPH
• UDI-Device Identifier: 07613327040166
• UDI-Public: 07613327040166
• Combination Product (Y/N): N
• Initial Reporter State: RI
• Initial Reporter Country: US
• PMA/510(K) Number: K081171
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2022
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/20/2022

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 Expiration Date: 11/30/2022
• Device Model Number: 502-03-56E
• Device Catalogue Number: 502-03-56E
• Device Lot Number: 1J4187
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/16/2022
• Supplement Date Received by Manufacturer: 06/22/2022
• Initial Report FDA Received Date: 04/11/2022
• Supplement Report FDA Received Date: 07/20/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 11/30/2017
• 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: 67 YR
• Patient Sex: Male
• Patient Weight: 98 KG