MAUDE Adverse Event Report: EXACTECH, INC. LOGIC FEMORAL PS CEM LEFT SZ 4; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL

Catalog Number	02-010-01-0240
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Codes	Osteolysis (2377); Inadequate Osseointegration (2646); Swelling/ Edema (4577); Insufficient Information (4580)
Date of Event	04/05/2023
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(d10) concomitant device(s): 02-012-35-4013 - logic tibia ps mod insrt sz 4 13mm.200-02-38 - three peg patella 38mm.(h3): the lucency reported may be due to loosening of the tibial and/or femoral component, possibly related to an insufficient bond of the implant(s) to the bone(s).However, the cause of the possible loosening cannot be confirmed because no revision has been reported and no images/radiographs were provided.
Event or Problem Description
As reported via clinical study, approximately 4 years, 7 months, and 19 days post-operatively of a left tka, the patient presented with polyethylene wear with evidence of osteolysis.Swelling in left knee, surgeon reports this is due to the polyethylene wear which is visible on the x-ray with evidence of osteolysis.2 years, 8 months, and 5 days following, the patient experienced lucency.Lucency discovered underneath medial tibial plateau, lateral femoral condyle and medial femoral condyle.The action taken is other - review in 6 months, or earlier if subject becomes symptomatic.The outcome of this event is considered continuing.The case report form does not indicate whether this event is related to the device and/or to the procedure.
Additional Manufacturer Narrative
(h3): the lucency reported may be due to loosening of the tibial and/or femoral component, possibly related to an insufficient bond of the implant(s) to the bone(s).However, the cause of the possible loosening cannot be confirmed because no revision has been reported and no images/radiographs were provided.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional and corrected information.The following sections were updated: d6b, h6 - health effect - clinical code, health effect - impact code and component code.The following sections were corrected: a2, b1, b2, b3, b5, d8, h3, h4, h10 and h11.D10: 02-012-35-4013 - logic tibia ps mod insrt sz 4 13mm.02-012-45-4040 - logic tibial fit tray cem sz 4f / 4t.200-02-38 - three peg patella 38mm.If any further information is obtained that would change or alter any information provided, a supplemental report will be filed accordingly.
Event or Problem Description
It was reported that the patient underwent an initial left total knee arthroplasty.Subsequently, the patient experienced lucency underneath the medial tibial plateau, lateral femoral condyle and medial femoral condyle.As well as, swelling and osteolysis.As a result, the patient underwent a left knee revision approximately 9 years and 9 months after initial implantation.No further patient impact reported.No further information available.
Event or Problem Description
It was reported that a patient underwent an initial left total knee replacement.4.5 years following initial implantation, the patient presented with polyethylene wear with evidence of osteolysis.Subsequently, the patient has since experienced lucency underneath medial tibial plateau, lateral femoral condyle and medial femoral condyle.As a result, approximately 8.5 years following initial implantation, the patient underwent a left knee revision.No further impact to the patient was reported.No additional information is available.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional and corrected information.The following sections were updated: b5, h11.The following sections were corrected: a2.The reported event was unable to be confirmed due to limited information received from the customer.No device was returned for evaluation; further, photographs and/or radiograph images were not provided for review.Operative notes and/or medical records were not provided for review of usage/technique.A definitive root cause was unable to be determined, however, may be the result of tibial loosening, femoral loosening, and prosthesis wear, or due to inclusion of the polyethylene in the packaging recall.Potential contributions of manufacturing, user, and patient-related considerations to the event could not be assessed as the devices were not available for evaluation and images, radiographs, relevant clinical information, and product serial number information were not provided.If any further information is obtained that would change or alter any information provided, a supplemental report will be filed accordingly.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional and/or corrected information.The following sections were updated/corrected: b3, h6.Mdr section codes updated/corrected: e.The reason for the revision reported cannot be confirmed from the information provided but may be the result of tibial loosening, femoral loosening, and prosthesis wear, or due to inclusion of the polyethylene in the packaging recall.Potential contributions of manufacturing, user, and patient-related considerations to the event could not be assessed as the devices were not available for evaluation and images, radiographs, relevant clinical information, and product serial number information were not provided.Should additional relevant information be obtained, a follow-up mdr will be submitted accordingly.

• Brand Name: LOGIC FEMORAL PS CEM LEFT SZ 4
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL
• Manufacturer (Section D): EXACTECH, INC.; 2320 nw 66 court; gainesville FL 32653
• Manufacturer (Section G): EXACTECH; 2320 nw 66th ct; gainesville FL 32653
• Manufacturer Contact: geoff gannon ; 2320 nw 66th ct; gainesville, FL 32653 ; 3523771140
• MDR Report Key: 20194453
• Report Number: 1038671-2024-03464
• Device Sequence Number: 7676293
• Product Code: JWH
• UDI-Device Identifier: 10885862001160
• UDI-Public: 10885862001160
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K033883
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Study,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup,Followup
• Report Date (Section B): 12/05/2025

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?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 02-010-01-0240
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/25/2024
• Supplement Date Received by Manufacturer: 09/09/2024; 08/28/2025; 10/28/2025; 12/05/2025
• Initial Report FDA Received Date: 09/11/2024
• Supplement Report FDA Received Date: 09/16/2024; 09/22/2025; 11/11/2025; 12/05/2025
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 79 YR
• Patient Sex: Unknown
• Patient Weight: 86 KG