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全膝关节置换术中胫骨插入物锁定销脱离——一例罕见的失败病例报告。

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

作者信息

Jindal Sanjeev, Bansal Vivek, Ahmed Mannan

机构信息

Neelam Superspeciality Hospital, Rajpura, India.

Punjab Cancer Care Hospital, Bathinda, India.

出版信息

J Clin Orthop Trauma. 2022 Aug 21;33:101996. doi: 10.1016/j.jcot.2022.101996. eCollection 2022 Oct.

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.

摘要

多年来,全膝关节置换术(TKA)取得了许多进展。其中一项进展是在模块化植入物中开发了用于聚乙烯内衬的锁定机制。其目的是减少微动和磨损问题。初次全膝关节置换术后锁定销无创伤地从内衬脱离是一种罕见的并发症。作者描述了一例初次全膝关节置换术中聚乙烯内衬锁定销脱离的罕见病例。在初次手术8个月后,在没有任何创伤的情况下观察到锁定夹脱离。

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