MAUDE Adverse Event Report: SMITH & NEPHEW, INC. GEN II CEMENTED TIBIAL B/PLATE SZ3 RIGHT; PROSTHESIS,KNE,PATELLOFEMOROTIBIAL,SEMICONSTRAINED,CEMENTED,PLYMERMETALPLYMER

Catalog Number	71420182
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	Injury (2348)
Date of Event	10/23/2018
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient had an aspiration performed due to pain.
Additional Manufacturer Narrative
The associated legion cr xlpe high flexion articular insert, genesis ii cr oxinium femoral component, genesis ii biconvex patellar component and genesis ii np tibial baseplate were not returned for evaluation.Therefore, product analysis could not be performed.However, device details were provided.The review of the manufacturing records for the listed batches did not reveal any deviation from the standard manufacturing processes.A review of the complaint history for the listed parts revealed no prior complaints for the listed failure mode with the same batch number.Without the return of the actual products involved, our investigation of this report is inconclusive.Our clinical evaluation noted based on the documents provided and reviewed, arthrofibrosis and aseptic loosening of the tibial baseplate is the root cause of the revision.The root cause of the patient¿s continued post-revision right foot issues cannot be determined; however it was noted by the surgeon that ¿it is really rare to have a tibial nerve issue in the plantar aspect of the foot from a knee replacement.¿ no further investigation is warranted for this complaint; however we will continue to monitor for future complaints and investigate as necessary.Should the device or additional information be received, the complaint will be reopened.

• Brand Name: GEN II CEMENTED TIBIAL B/PLATE SZ3 RIGHT
• Common Device Name: PROSTHESIS,KNE,PATELLOFEMOROTIBIAL,SEMICONSTRAINED,CEMENTED,PLYMERMETALPLYMER
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks road; memphis TN 38116
• MDR Report Key: 8187503
• Report Number: 1020279-2018-02858
• Device Sequence Number: 2179257
• Product Code: JWH
• UDI-Device Identifier: 03596010206336
• UDI-Public: 03596010206336
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K951987
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/22/2019

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: 10/29/2024
• Device Catalogue Number: 71420182
• Device Lot Number: 14KT47740
• Initial Date Received by Manufacturer: 11/28/2018
• Supplement Date Received by Manufacturer: 11/28/2018
• Initial Report FDA Received Date: 12/20/2018
• Supplement Report FDA Received Date: 05/22/2019
• 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: 58 YR