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	02/18/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Reported event: an event regarding loosening involving a trident shell was reported.The event was not confirmed.Method & results: device evaluation and results: not performed as the device was not returned for evaluation.Clinician review: no medical records were received for review with a clinical consultant.Device 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.Conclusion: the exact cause of the event could not be determined because insufficient information was provided.Additional information including operative reports, progress notes, x-rays and return of the device are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.
Event or Problem Description
It was reported by patient's counsel that allegedly the patient was implanted with a tritanium acetabular cup on (b)(6) 2016 and was revised on (b)(6) 2020 due to alleged cup loosening.

• 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
• MDR Report Key: 11490384
• Report Number: 0002249697-2021-00454
• Device Sequence Number: 2869530
• Product Code: LPH
• UDI-Device Identifier: 07613327040166
• UDI-Public: 07613327040166
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• PMA/510(K) Number: K143085
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Device Explanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: other
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 03/15/2021

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: 08/31/2021
• Device Model Number: 502-03-56E
• Device Catalogue Number: 502-03-56E
• Device Lot Number: 4W54P0
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 02/17/2021
• Initial Report FDA Received Date: 03/15/2021
• 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: 40 YR