Disengagement of tibial insert locking pin in total knee arthroplasty - A rare failure case report

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 i...

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Published in:Journal of clinical orthopaedics and trauma 2022-10, Vol.33, p.101996, Article 101996
Main Authors: Jindal, Sanjeev, Bansal, Vivek, Ahmed, Mannan
Format: Article
Language:English
Subjects:
Case Report
Degenerative osteoarthritis
Locking mechanism
Polyethylene insert
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cited_by cdi_FETCH-LOGICAL-c3146-4db99cb4b8af2f26283a5f03995d022a96677f592219dc3e5a5be32ac46408d73
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description 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.
doi_str_mv 10.1016/j.jcot.2022.101996
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subjects Case Report
Degenerative osteoarthritis
Locking mechanism
Polyethylene insert
title Disengagement of tibial insert locking pin in total knee arthroplasty - A rare failure case report
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