MAUDE Adverse Event Report: SMITH & NEPHEW, INC. GNS II RESURF PAT 26MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL

Model Number	71420580
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Pain (1994); Injury (2348); Insufficient Information (4580)
Date of Event	06/30/2020
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that a revision surgery was performed because the patient had pain of unknown reason.The doctor said that the devices from smith&nephew were not defective.All available information has been disclosed.If additional information should become available, a supplemental report will be submitted accordingly.
Additional Manufacturer Narrative
The device, used in treatment, was not returned for evaluation and the reported event could not be confirmed.The clinical/medical investigation concluded that, it is reported that a revision surgery was performed because the patient had pain of unknown reason.Per the complaint description, the surgeon said that the s&n devices were not defective.To date, the requested x-rays and surgical reports have not been provided.The patient impact beyond the reported revision cannot be determined.No further medical assessment is warranted at this time.Should clinically relevant documentation/information become available, the clinical/medical task may be re-evaluated.A review of the manufacturing records did not reveal a manufacturing abnormality that could have caused or contributed to the reported incident.A review of complaint history did not reveal additional complaints for the listed batch.A review of the risk management file and instructions for use documents revealed this failure mode was previously identified.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Possible causes could include but not limited to traumatic injury, joint tightness, material in use, patient reaction or loss of sterility.Based on this investigation, the need for corrective action is not indicated.Without the return of the actual product involved, our investigation could not proceed.Should the device or additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.G1 mdr reporting contact name and address and phone number.

• Brand Name: GNS II RESURF PAT 26MM
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 10305255
• Report Number: 1020279-2020-03404
• Device Sequence Number: 597007
• Product Code: JWH
• UDI-Device Identifier: 03596010208323
• UDI-Public: 03596010208323
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K951987
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Device Explanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 06/30/2021

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: 10/11/2025
• Device Model Number: 71420580
• Device Catalogue Number: 71420580
• Device Lot Number: 15KM10220
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 06/30/2020
• Supplement Date Received by Manufacturer: 06/29/2021
• Initial Report FDA Received Date: 07/21/2020
• Supplement Report FDA Received Date: 06/30/2021
• 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