MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TI DUR REG FLUTED STEM 23X80MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/META

Catalog Number	64786665
Medical Device Problem Codes	Loss of Osseointegration (2408); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Bone Fracture(s) (1870); Joint Dislocation (2374)
Date of Event	06/19/2014
Type of Reportable Event	Serious Injury
Event or Problem Description
Information received from (b)(4) indicates the following: r total knee revision for patellar displacement on (b)(6) 2014.All components removed.Also had ipsilateral ankle fracture between gmrs surgery and last f/u visit where femoral stem loosening was diagnosed.Declined discussion of surgery at last visit.Had order for pt and plan was to continue w this.
Additional Manufacturer Narrative
The following devices were also listed in this report: mrh knee fem l rgt; cat# 64811131; lot# unknown.Ti dur reg fluted stem14x155mm; cat# 64786705; lot# unknown.Mrh tibial b/plt keel med 2; cat# 64813112; lot# unknown.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.Reported event: an event regarding revision involving a duracon stem was reported.The event was not confirmed.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections 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: could not be performed as the device lot details were not provided.Complaint history review: could not be performed as the device lot details were not provided.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.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.
Event or Problem Description
No new information.

• Brand Name: TI DUR REG FLUTED STEM 23X80MM
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/META
• 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: anna ryan ; raheen business park; limerick NA ; EI NA ; 61498200
• MDR Report Key: 22733554
• Report Number: 0002249697-2025-00841
• Device Sequence Number: 18384572
• Product Code: JWH
• UDI-Device Identifier: 07613327044973
• UDI-Public: 07613327044973
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K973164
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Device Explanted Year: 2014
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 12/18/2025

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 Catalogue Number: 64786665
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 07/11/2025
• Supplement Date Received by Manufacturer: 11/25/2025
• Initial Report FDA Received Date: 08/06/2025
• Supplement Report FDA Received Date: 12/18/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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: Hospitalization; Required Intervention
• Patient Sex: Male
• Patient Weight: 109 KG