ZIMMER BIOMET, INC. PERSONA TIBIA TRABECULAR METAL 2-PEG POROUS FXD BRG RT SIZE H; PROSTHESIS, KNEE
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Model Number N/A |
Device Problems
Unstable (1667); Malposition of Device (2616)
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Patient Problems
Adhesion(s) (1695); Bacterial Infection (1735); Pain (1994); Loss of Range of Motion (2032); Scar Tissue (2060); Deformity/ Disfigurement (2360); Joint Contracture (4528); Swelling/ Edema (4577)
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Event Date 12/09/2020 |
Event Type
Injury
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Manufacturer Narrative
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(b)(4).The product will not be returned to zimmer biomet for investigation, as the device location is unknown.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Additional associated products & mdrs; 42522100910 articular surface medial congruent (mc) right 10 mm lot# 64119302 mdr: 3007963827-2024-00031.42502806602 femur trabecular metal cruciate retaining (cr) std porous lot# 64317789 mdr: 0001822565-2024-00497.
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Event Description
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It was reported a patient reports pain, intermittent swelling, and deformity since surgery and then began experiencing instability, and a flexion contracture.Radiographic imaging displayed lucency of the femoral component and patellar button and 12 degrees varus alignment of the tibial component.Approximately one year post implantation the patient underwent a revision for instability and malalignment.All components, except the patella, were revised without complication.
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Event Description
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It was reported a patient reports pain, intermittent swelling, and deformity since surgery and then began experiencing instability, and a flexion contracture.Radiographic imaging displayed lucency of the femoral component and patellar button and 12 degrees varus alignment of the tibial component.Approximately one year post implantation the patient underwent a revision for instability, arthrofibrosis, and malalignment.All components, except the patella, were revised without complication.During the surgery, cultures were taken and later, one of the cultures from the femoral membrane, grew evidence of propionibacterium acnes.The patient was placed on a three month course of oral doxycycline.The patient has continued through the study without ongoing infection related complications.
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Manufacturer Narrative
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This follow-up report is being submitted to relay additional information.The product will not be returned to zimmer biomet for investigation, as the device location is unknown.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Additional associated products & mdrs: (b)(6) articular surface medial congruent (mc) right 10 mm lot# 64119302 mdr: 3007963827-2024-00031.(b)(6) femur trabecular metal cruciate retaining (cr) standard porous lot# 64317789 mdr: 0001822565-2024-00497.(b)(6) persona 2.5 mm female hex screw 25 mm length lot# 64591627 mdr: 0001822565-2024-00949.
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