MAUDE Adverse Event Report: SMITH & NEPHEW, INC. LGN PS HIGH FLEX XLPE SZ 3-4 9MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL

Model Number 71453211

Device Problem Incomplete or Inadequate Connection (4037)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 06/22/2021

Event Type  malfunction  

Event Description

It was reported that during a tka the legion ps high flex xlpe size 3-4 9mm will not seat on the baseplate.Surgery continued with a back up device, no delay reported.Patient was not harmed as a consequence.

Manufacturer Narrative

H3, h6: the associated device, used in treatment, was returned and evaluated.A visual inspection of the returned device could not confirm the stated failure mode.The device has signs of damage from the attempted insertion.A dimensional inspection was attempted but the device was too damaged from the attempted insertion to obtain accurate measurements.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.Some potential probable causes for this event could include a fit/ sizing issue or poor insertion technique.Based on this investigation, the need for corrective action is not indicated.Should 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 3-4 9MM
• Type of Device: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 12119204
• MDR Text Key: 260286690
• Report Number: 1020279-2021-05722
• Device Sequence Number: 1
• Product Code: JWH
• UDI-Device Identifier: 00885556035252
• UDI-Public: 00885556035252
• Combination Product (y/n): N
• PMA/PMN Number: K071071
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: health professional
• Type of Report: Initial,Followup
• Report Date: 07/30/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 07/05/2021
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: 71453211
• Device Catalogue Number: 71453211
• Device Lot Number: 19LT30302
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/12/2021
• Date Manufacturer Received: 07/29/2021
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1