MAUDE Adverse Event Report: SMITH & NEPHEW, INC. LGN PS HIGH FLEX XLPE SZ 1-2 9MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL

Model Number	71453201
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	Foreign Body In Patient (2687)
Date of Event	12/02/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
It was reported that a patient upon x- ray imaging looks to have a broken insert on the medial side.The patient will be scheduled for a revision surgery.No further information was provided.All available information has been disclosed.If additional information should become available, a supplemental report will be submitted accordingly.
Additional Manufacturer Narrative
H6: the device, used in treatment, was not returned for evaluation and the reported event could not be confirmed.The clinical / medical investigation concluded that, this case reports that a revision surgery is scheduled to be performed due to a broken insert that was observed on x-ray.To date, it is unknown whether the revision has been performed, and the requested x-rays and surgical reports have not been provided.Therefore, due to the limited information provided, no further clinical assessment is warranted.Should additional clinically relevant documentation become available, the clinical/medical task may be re-opened.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.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.Some potential probable causes for this event could include but not limited to traumatic injury or surgical technique.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.

• Brand Name: LGN PS HIGH FLEX XLPE SZ 1-2 9MM
• 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: 11091311
• Report Number: 1020279-2020-07954
• Device Sequence Number: 19503418
• Product Code: JWH
• UDI-Device Identifier: 00885556033784
• UDI-Public: 00885556033784
• Combination Product (Y/N): N
• Initial Reporter State: NE
• Initial Reporter Country: US
• PMA/510(K) Number: K071071
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,user f
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 07/22/2021

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: 71453201
• Device Catalogue Number: 71453201
• Device Lot Number: 18HM06292
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 12/03/2020
• Supplement Date Received by Manufacturer: 07/20/2021
• Initial Report FDA Received Date: 12/29/2020
• Supplement Report FDA Received Date: 07/22/2021
• 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