MAUDE Adverse Event Report: SMITH & NEPHEW, INC. GII OVAL RESURFACING PAT 29MM; PRSTHSS, KNEE, PTLLFMRTBIAL, SM-CNSTRND, CMNTD, POLYMER/METAL/POLYMER

Model Number	71421029
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Inflammation (1932); Loss of Range of Motion (2032); Injury (2348)
Date of Event	08/06/2019
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that after the procedure tka, the patient presented a left knee stiffness.The patient was treated under anesthesia.Not more information available at the moment, please see the request that it was attached.
Additional Manufacturer Narrative
H3, h6: the device, used in treatment, was not returned for evaluation and the reported event could not be confirmed.The clinical/medical evaluation concluded that the complaint from the united states reports that the patient presented with right knee stiffness and was treated with manipulation under anesthesia.The clinical study report forms were submitted for review but did not reveal a root cause for the ¿stiffness¿.Smith and nephew has not received adequate materials (operative reports) to fully evaluate the complaint, but if additional clinically relevant materials are later received, then the case may be re-opened for further evaluation.A review of complaint history did not reveal additional complaints for the listed batch.A review of the manufacturing records did not reveal a manufacturing abnormality that could have caused or contributed to the reported incident.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.A review of the risk management file and instructions for use documents revealed this failure mode and potential harm was previously identified.Some potential probable causes could be alignment, fit/size of device used or wear.Based on this investigation, the need for corrective action is not indicated.Without the return of the actual product involved or product information, 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.Additional information: d3, d4, g1 and h4/h5.

• Brand Name: GII OVAL RESURFACING PAT 29MM
• Common Device Name: PRSTHSS, KNEE, PTLLFMRTBIAL, SM-CNSTRND, CMNTD, POLYMER/METAL/POLYMER
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 10360518
• Report Number: 1020279-2020-03686
• Device Sequence Number: 14207647
• Product Code: JWH
• UDI-Device Identifier: 03596010485052
• UDI-Public: 03596010485052
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 07/30/2021

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 Model Number: 71421029
• Device Catalogue Number: 71421029
• Device Lot Number: 19CM03060
• Initial Date Received by Manufacturer: 07/13/2020
• Supplement Date Received by Manufacturer: 07/29/2021
• Initial Report FDA Received Date: 08/04/2020
• Supplement Report FDA Received Date: 07/30/2021
• 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: Required Intervention