Junjun Zhu

Prediction and Experimental Validation of Wear Zones in Artificial Ligaments Based on Finite Element Stress Analysis

Xiuling Huang, Leihao Chen, Xinyi Zhang, Junjun Zhu et autres

Long-term success of ACL reconstruction is often compromised by wear at bone-tunnel interfaces. This study establishes a digital computational-experimental pipeline that integrates image-based 3D reconstruction finite element stress mapping algorithms, and in vitro wear testing to predict and quantify the wear behavior …

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Diagnostic Roles of circXPNPEP3 as Biomarker for Diabetic Nephropathy

Miao Liu, Qiunan Zhan, Junjun Zhu, Junli Zhao

Background: Diabetic nephropathy (DN) is a common chronic microvascular complication of diabetes mellitus (DM). Circular RNAs (circRNAs) have emerged as ideal biomarkers for various diseases. Recent studies have shown that circXPNPEP3 is upregulated in high glucose‐induced human umbilical vein endothelial cells. In …

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STRR-Net: A Swim-Transformer and Res2Net Architecture for Knee MR Images Multi-label Segmentation

Xianggeng Luo, Minghui Hang, Lu Wang, Zikai Hua et autres

Knee osteoarthritis (KOA) is a major cause of morbidity, especially in the older and female population. Automatic medical image segmentation is crucial for improving the diagnostic accuracy of KOA and optimizing treatment plans. Convolutional neural networks have evinced potential in enhancing the …

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Nonunion scaphoid bone shape prediction using iterative kernel principal polynomial shape analysis

Junjun Zhu, Junhao Zhao, Xianggeng Luo, Zikai Hua

BACKGROUND: The scaphoid is an important mechanical stabilizer for both the proximal and distal carpal columns. The precise estimation of the complete scaphoid bone based on partial bone geometric information is a crucial factor in the effective management of scaphoid nonunion. Statistical …

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A Multi-DoF Robot-Based Test System for Biomechanical Evaluation of Knee Joint

Wei Ding, Mindie Hu, Hui Liu, Junjun Zhu et autres

This study proposed a new biomechanical experimental platform for knee joints. By integration of the multi-degree-of-freedom industrial robot with network of sensors, multi-form loading module, real-time high precision optical measuring system with the torsion fatigue testing machine, the proposed platform can simulate …

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Finite element study of sagittal fracture location on thoracolumbar fracture treatment

Xilong Cui, Junjun Zhu, Wanmei Yang, Yuxiang Sun et autres

Background: Posterior internal fixation is the main method used for the treatment of thoracolumbar fractures. Fractures often occur in the upper 1/3 of the vertebral body. However, they can also occur in the middle or lower 1/3 of the vertebral body. At …

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Computational modelling of the graft-tunnel interaction in single-bundle ACL reconstructed knee

Junjun Zhu, Weimin Zhu, Qijie Zhao

OBJECTIVES: Tunnel enlargement and graft failure are common complications associated with ACL reconstruction. The mechanical interaction between the graft and the tunnel aperture may play a more important role. This study aims to evaluate graft position within femoral tunnel and the graft …

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Does Sagittal Location of the Fracture Region of Vertebral Body Affect the Interfixation Instrument Biomechanics or Surgical Strategy in Thoracolumbar Fracture Treatment: a Finite Element Analysis

Xilong Cui, Junjun Zhu, Wanmei Yang, Yuxiang Sun et autres

Abstract Background: Posterior internal fixation is the main method used for the treatment of thoracolumbar fractures. Fractures often occur in the upper 1/3 of the vertebral body. However, they can also occur in the middle or lower 1/3 of the vertebral body. …

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Redundant object detection method for civil aircraft assembly based on machine vision and smart glasses

Qijie Zhao, Yaohui Kong, Shaojie Sheng, Junjun Zhu

Abstract Slow detection of redundant objects and low accuracy in assembly lines, particularly in the setting of civil aircraft assembly, are tough and challenging problems. To address these issues, a redundant object detection method based on computer vision and augmented reality (AR) …

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A novel method for 3D knee anatomical landmark localization by combining global and local features

Junjun Zhu, Qijie Zhao, Junhao Zhu, Anwen Zhou et autres

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Bone anatomical landmark localization with cascaded spatial configuration network

Qijie Zhao, Junhao Zhu, Junjun Zhu, Anwen Zhou et autres

Abstract Accurate localization of bone anatomical landmarks in medical images is of great significance for decision-making in surgical plans and orthopedic surgery visual navigation systems development. However, due to the high dimensionality and large size of medical images, current automatic anatomical landmarks …

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Bone anatomical landmark localization with cascaded spatial configuration network

Qijie Zhao, Junhao Zhu, Junjun Zhu, Anwen Zhou et autres

Abstract Accurate localization of bone anatomical landmarks in medical images is of great significance for decision-making in surgical plans and orthopedic surgery visual navigation systems development. However, due to the high dimensionality and large size of medical images, current automatic anatomical landmarks …

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