[1]杨延江 程晓东 王忠正 李泳龙 丁凯 崔蕴威.仿生空心螺钉与传统空心螺钉固定股骨颈骨折的生物力学对比研究[J].中华老年骨科与康复电子杂志,2026,(02):99-105.[doi:10.3877/cma.j.issn.2096-0263.2026.02.006]
　Yang Yanjiang,,et al.A comparative biomechanical study of bionic cannulated screws versus conventional cannulated screws for femoral neck fracture fixation[J].Chin J Geriatr Orthop Rehabil(Electronic Edition),2026,(02):99-105.[doi:10.3877/cma.j.issn.2096-0263.2026.02.006]
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仿生空心螺钉与传统空心螺钉固定股骨颈骨折的生物力学对比研究()
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中华老年骨科与康复电子杂志[ISSN:1674-3911/CN:11-9292/R]

卷:
期数:
2026年02期
页码:
99-105
栏目:
髋部骨折
出版日期:
2026-04-05

文章信息/Info

Title:
A comparative biomechanical study of bionic cannulated screws versus conventional cannulated screws for femoral neck fracture fixation
作者:
杨延江1; 2; 3 程晓东1; 2; 3 王忠正1; 2; 3 李泳龙1; 2; 3 丁凯1; 2; 3 崔蕴威1; 2; 3; 4
050051 石家庄，河北医科大学第三医院创伤急救中心1，河北省骨科研究所2，河北省骨科生物力学重点实验室3，河北医科大学第三医院科技成果转化中心4
Author(s):
Yang Yanjiang1;  2;  3;  Cheng Xiaodong1;  2;  3;  Wang Zhongzheng1;  2;  3;  Li Yonglong1;  2;  3;  Ding Kai1;  2;  3;  Cui Yunwei1;  2;  3;  4.
1Third Hospital of Hebei Medical University, 2Orthopaedic Research Institute of Hebei Province, 3Key Laboratory of Biomechanics of Hebei Province, 4Science and Technology Achievement Transformation Center of the Third Hospital of Hebei Medical University, Shijiazhuang 050051, China
关键词:
股骨颈骨折;  仿生空心螺钉;  空心螺钉;  生物力学;  初始稳定性
Keywords:
Femoral neck fracture;  Bionic cannulated screw;  Cannulated screw;  Biomechanics;  Initial stability
DOI:
10.3877/cma.j.issn.2096-0263.2026.02.006
文献标志码:
A
摘要:
目的 比较仿生空心螺钉与传统空心螺钉固定股骨颈骨折的生物力学性能。方法 取10具新鲜冷冻成人股骨标本，随机分为实验组（仿生空心螺钉固定）和对照组（传统空心螺钉固定），每组5具。建立完整股骨固定模型测试后，于同一标本制备PauwelsⅢ型股骨颈骨折模型。于600 N轴向载荷下测量整体位移、股骨颈区域平均应变及骨折线周围分区应变。结果 完整股骨固定模型下，实验组前、后侧整体位移均大于对照组，差异有统计学意义（P＜0.05），两组股骨颈区域平均应变差异无统计学意义（P＞0.05）。骨折模型下，两组整体位移、平均应变及分区应变差异均无统计学意义（P＞0.05）。结论 仿生空心螺钉固定PauwelsⅢ型股骨颈骨折可提供初始稳定性，为后期骨整合提供有利的力学环境。
Abstract:
Objective To compare the biomechanical properties of bionic cannulated screws and conventional cannulated screws for the fixation of femoral neck fractures. Methods Ten fresh-frozen adult femoral specimens were randomly assigned into an experimental group and a control group, with 5 specimens in each group. The experimental group was fixed with bionic cannulated screws, and the control group with conventional cannulated screws. An intact femur fixation model was first established, followed by a Pauwels type Ⅲ femoral neck fracture model in the same specimen. Under an axial load of 600 N, overall displacement, mean strain in the femoral neck region, and regional strain around the fracture line were measured. Results In the intact femur fixation model, the overall displacement on both the anterior and posterior sides was significantly greater in the experimental group than in the control group (P<0.05), whereas no significant difference was found in the mean strain of the femoral neck region between the two groups (P>0.05). In the fracture model, no significant differences were observed between the two groups in overall displacement, mean strain, or regional strain (P>0.05). Conclusions Bionic cannulated screws fixation for Pauwels type Ⅲ femoral neck fractures can provide initial stability and create a favorable mechanical environment for subsequent osseointegration.

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备注/Memo

备注/Memo:
基金项目：河北省重点研发计划项目卫生健康创新专项（22377770D）
更新日期/Last Update: 2026-05-19