MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIATHLON P/A CR BEADED #4R; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Model Number	5517-F-402
Medical Device Problem Code	Failure to Osseointegrate (1863)
Health Effect - Clinical Code	Ambulation or Postural Difficulties (2544)
Date of Event	04/24/2023
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Reported event: an event regarding rom and loosening involving an triathlon femoral component was reported.The event was not confirmed.Method & results: product evaluation and results: the reported device was not returned however photographs were provided for review.The photographs show a recently explanted femoral component with no visible damage.From the photographs provided there is no evidence that this device contributed to the reported event.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 or sterile lot referenced.Conclusions: it was reported that the patient was revised due to rom.Intra-operatively, the posterior condyles of the femoral component were found to not be ingrown.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 revision 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.H3 other text : device not returned.
Event or Problem Description
It was reported that the patient's right knee was revised due to patient complaint of limited rom (surgeon reported that patient had not participated in pt post-op).Intra-operatively, the posterior condyles of the femoral component were found to not be ingrown.The pressfit femoral component was revised to a cemented femoral component, and a 5x10 cs insert was revised to a 5x9 cs insert.

• Brand Name: TRIATHLON P/A CR BEADED #4R
• Common Device Name: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-LIMERICK; raheen business park; limerick NA ; EI NA
• Manufacturer Contact: diana rogers ; 210 centennial avenue; centennial park, elstree; borehamwood WD6 3-SJ ; UK WD6 3SJ ; 2082386500
• MDR Report Key: 16944297
• Report Number: 0002249697-2023-00537
• Device Sequence Number: 20422067
• Product Code: MBH
• UDI-Device Identifier: 07613327040944
• UDI-Public: 07613327040944
• Combination Product (Y/N): N
• Initial Reporter State: RI
• Initial Reporter Country: US
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2023
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 05/17/2023

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: 5517-F-402
• Device Catalogue Number: 5517F402
• Device Lot Number: PR63C
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/24/2023
• Initial Report FDA Received Date: 05/17/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 04/29/2022
• 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: 65 YR
• Patient Sex: Female
• Patient Weight: 78 KG