MAUDE Adverse Event Report: SMITH & NEPHEW, INC. LGN OX CONSTRAIN FEM TRL 5 RT; PROSTHESIS, KNEE, FEMOROTIBIAL

Model Number	71431175
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/12/2021
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the lgn ox constrain fem trl 5 rt was broken.It is unknown if the event happened during a surgical procedure, if there was a surgical delay, backup device available or patient involvement.
Additional Manufacturer Narrative
H3, h6: the device, intended for use in treatment, was returned for evaluation.A visual inspection of the returned device confirmed the lgn ox constrain fem trl 5 rt appears to be broken and excessively worn.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 complaint history on the listed part revealed no prior complaints for the listed failure mode with the same batch number.This device is a reusable instrument that can be exposed to numerous surgeries; damage from repeated use can occur.Damage from prolonged use, misuse or rough handling are likely probable causes of the reported event.We recommend that all reusable instruments be routinely inspected for wear and damage and replaced as necessary.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Based on this investigation, the need for corrective action is not indicated.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.Should additional information be received, the complaint will be reopened.We consider this investigation closed.

• Brand Name: LGN OX CONSTRAIN FEM TRL 5 RT
• Common Device Name: PROSTHESIS, KNEE, FEMOROTIBIAL
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 11773187
• Report Number: 1020279-2021-03720
• Device Sequence Number: 19777621
• Product Code: HRY
• UDI-Device Identifier: 03596010545473
• UDI-Public: 03596010545473
• Combination Product (Y/N): N
• Initial Reporter State: AL
• Initial Reporter Country: US
• PMA/510(K) Number: K121393
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 05/25/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 71431175
• Device Catalogue Number: 71431175
• Device Lot Number: 05MM08156
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/27/2021
• Initial Date Received by Manufacturer: 04/12/2021
• Supplement Date Received by Manufacturer: 05/24/2021
• Initial Report FDA Received Date: 05/04/2021
• Supplement Report FDA Received Date: 05/25/2021
• Patient Sequence Number: 1