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Disengagement of tibial insert locking pin in total knee arthroplasty - A rare failure case report |
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| Institution: | 1. Neelam Superspeciality Hospital, Rajpura, India;2. Punjab Cancer Care Hospital, Bathinda, India;3. Amar Hospital, Fatehpur Shekawati, India;1. Orthopedic Surgery Department, Faculty of Medicine, Ain Shams University and Hospitals, Cairo, Egypt;2. Faculty of Medicine, Cairo University, Cairo, Egypt;3. Faculty of Medicine, Ain Shams University, Cairo, Egypt;4. Faculty of Medicine, Assiut University, Assiut, Egypt;1. Hoy Spirit Hospital, Andheri, India;2. Criticare Superspeciality Hospital, Andheri, Mumbai, India |
| Abstract: | Total Knee Arthroplasty (TKA) has seen many advancements over the years. One such advancement is development of locking mechanism for polyethylene insert in modular implants. It aims to reduce micro motion and wear problems. Disengagement of locking pin from insert after primary TKA without trauma is rare complication. The author describes a rare case of disengagement of the polyethylene insert locking pin in primary total knee arthroplasty. Disengagement of the locking clip was observed 8 months after index operation without any trauma. |
| Keywords: | Locking mechanism Degenerative osteoarthritis Polyethylene insert |
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