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Yu Sun¹, Haowen Xue¹, Xiaonan Wang¹

¹Orthopaedic Hospital, The Second Hospital of Jilin University, Changchun, 130012, China.

Scientific reports

|September 6, 2024

概括

对于半皮骨假肢的新型固定方法,特别是对恩宁 II+III 型盆腔瘤的固定方法,提高了稳定性. 辅助的阴茎大腿骨和阴茎背部固定减轻了对神圣螺丝的压力,提高了假肢的寿命.

科学领域:

整形外科手术整形外科手术
生物机械工程生物机械工程
在瘤学瘤学.

背景情况:

恶性盆腔瘤通常需要在切除后重建半盆腔假体.
目前对Eneking II+III型盆腔瘤的固定方法有局限性,包括十字螺丝故障.

研究的目的:

设计和评估一个新的固定方法为半脊椎假肢,以防止故障.
在复杂的骨盆瘤病例中改善假肢的稳定性和骨整合.

主要方法:

用有限元分析 (FEA) 模拟在最大步行周期负载下假肢固定.
设计包括辅助的背侧阴,辅助的阴底部,辅助的阴螺丝和辅助的阴骨固定.
非线性准静态分析评估了神圣螺丝和微运动的应力.

主要成果:

辅助的斜骨背部固定显著减少了斜骨螺丝上的压力.
超出28微米的微运动在辅助的斜背背部固定下减少.
阴茎骨固定增强了最初的假肢稳定性和骨质整合.

结论:

整合阴茎大腿骨支和阴茎背部固定是建议的半皮骨假肢.
这种新的方法为盆腔瘤假肢提供了更好的稳定性和寿命.
提供了新的选择,用于临床应用的半皮瘤假肢.

关键词:

有限元素分析的研究.恶性恶性恶性盆腔瘤是一种瘤.假肢假肢是一种假肢.

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