Visualized load-bearing-based robot control system improves early function in femoral neck fracture patients: a randomized controlled trial focusing on outcomes after total hip arthroplasty.

Journal: Journal of orthopaedic surgery and research
Published Date: Jul 18, 2025

Abstract

BACKGROUND: After total hip arthroplasty (THA), standing and walking balance are greatly affected in the early recovery period, making it important to increase weight-bearing amount (WBA) on the surgical side. Sometimes, traditional treatment methods may not be sufficient to satisfactorily improve WBA and weight-bearing ratio (WBR) on the surgical side. This study aims to evaluate the effectiveness of a visualized load-bearing-based robot control system in promoting early functional recovery of elderly patients after THA. The system senses lower limb weight and displays it in real-time on the screen to provide visual guidance for weight-bearing.

Authors

  • Xiaofeng Liu
    Changzhou Key Laboratory of Robots & Intelligent Technology, Hohai University, China.
  • Changzhi Huang
    Department of Joint Surgery and Sports Medicine, Ningde Municipal Hospital of Ningde Normal University, Ningde, 352000, Fujian, China.
  • Liang Lin
  • Jinshan Zhang
    Department of Orthopaedics, Shanghai Sixth People's Hospital Fujian, No. 16, Luoshan Section, Jinguang Road, Luoshan Street, Jinjiang City, Quanzhou, 362200, Fujian, China. zhangjinshan193@sina.com.
  • Zhenzhong Zhu
    Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai, 200233, P. R. China.

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