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中华老年骨科与康复电子杂志

中华老年骨科与康复电子杂志 ›› 2021, Vol. 07 ›› Issue (05) : 257 -259. doi: 10.3877/cma.j.issn.2096-0263.2021.05.001

研究快报

股骨近端N三角理论及股骨近端仿生髓内钉（PFNB）的设计理念
朱燕宾1, 陈伟1, 叶丹丹2, 张奇2, 吕红芝2, 郑占乐1, 张英泽3,†()   
  1. 1. 050051　石家庄，河北省骨科研究所；河北省骨科生物力学重点实验室；河北医科大学第三医院创伤急救中心；国家卫生健康委骨科智能器材重点实验室
    2. 050051　石家庄，河北省骨科研究所；河北省骨科生物力学重点实验室；国家卫生健康委骨科智能器材重点实验室
    3. 050051　石家庄，河北省骨科研究所；河北省骨科生物力学重点实验室；河北医科大学第三医院创伤急救中心；国家卫生健康委骨科智能器材重点实验室；100088　北京，中国工程院
  • 收稿日期:2021-09-25 出版日期:2021-10-05
  • 通信作者: 张英泽
  • 基金资助:
    国家自然科学基金(82072447); 中国医学科学院中央级公益性科研院所基本科研业务费专项资金资助(2019PT320001); 河北省杰出青年基金(H2021206329)

Proximal Femur N Triangle Theory and the Design Concept of Proximal Femur Bionic Nail (PFNB)

Yanbin Zhu1, Wei Chen1, Dandan Ye2, Qi Zhang2, Hongzhi Lyu2, Zhanle Zheng1, Yingze Zhang3,†()   

  1. 1. Orthopedic Research Institution of Hebei Province; Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University; Key Laboratory of Biomechanics of Hebei Province; NHC Key Laboratory of Intelligent Orthopaedic Equipment (The Third Hospital of Hebei Medical University), Shijiazhuang 050051, China
    2. Orthopedic Research Institution of Hebei Province; Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University; NHC Key Laboratory of Intelligent Orthopaedic Equipment (The Third Hospital of Hebei Medical University), Shijiazhuang 050051, China
    3. Orthopedic Research Institution of Hebei Province; Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University; Key Laboratory of Biomechanics of Hebei Province; NHC Key Laboratory of Intelligent Orthopaedic Equipment (The Third Hospital of Hebei Medical University), Shijiazhuang 050051, China; Chinese Academy of Engineering, Beijing 10088, China
  • Received:2021-09-25 Published:2021-10-05
  • Corresponding author: Yingze Zhang
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朱燕宾, 陈伟, 叶丹丹, 张奇, 吕红芝, 郑占乐, 张英泽. 股骨近端N三角理论及股骨近端仿生髓内钉（PFNB）的设计理念[J]. 中华老年骨科与康复电子杂志, 2021, 07(05): 257-259.

Yanbin Zhu, Wei Chen, Dandan Ye, Qi Zhang, Hongzhi Lyu, Zhanle Zheng, Yingze Zhang. Proximal Femur N Triangle Theory and the Design Concept of Proximal Femur Bionic Nail (PFNB)[J]. Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition), 2021, 07(05): 257-259.

Ward三角由Ward于1838年提出，是当时了解股骨近端解剖结构及力学传导特点的一个重要发现。事实上，股骨近端远不止有一个Ward三角，而是由数个肉眼可观的"宏观三角"和数量庞大的"微观三角"构成，这就是"张氏N三角理论"。基于"张氏N三角理论"，并在分析股骨近端骨折术后内固定物并发症的原因后，课题组设计并研发出更符合人体力学特点的股骨近端仿生髓内钉（PFBN）。本文旨在通过详细阐述"张氏N三角理论"及其指导下研发的PFBN的结构和力学特点，为其临床应用的科学性和合理性提供研究思路。

关键词: 转子间骨折, 股骨近端, Ward三角, 仿生髓内钉, 张氏N三角理论

Ward's triangle was proposed by Ward in 1838 and was an important finding to understand the anatomical structure and mechanical conduction characteristics of the femur at that time. In fact, there is far more than one Ward triangle, but it is composed of several "macroscopic triangles" and a large number of "microscopic triangles", which is the "Zhang's N triangle theory". Based on Zhang's N triangle theory, and after analyzing the causes of complications of internal fixation after femoral fracture surgery, the research team designed and developed a proximal femoral bionic nail (PFBN) that is more in accordance with the mechanical characteristics of the human body. The aim of this paper is to provide research ideas for the scientificity and rationality of its clinical application by elaborating the structural and mechanical characteristics of PFBN developed under the guidance of "Zhang's N triangle theory".

Key words: Intertrochanteric fracture, Proximal femur, Ward triangle, Bionic intramedullary nail, Zhang's N triangle theory
图1 股骨上端冠状位结构示意图
图2~5 股骨粗隆间骨折X线图：示骨折线与次要压力骨小梁方向一致，垂直于主要张力骨小梁
图6 PFN的平行落定固定（A）与PFBN三角支撑固定示意图（B）
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