In vivo measurement of 3D load transfer mechanism in the lower extremity

下肢 3D 负载转移机制的体内测量

• 批准号: 22560074
• 负责人: KOBAYASHI Koichi
• 金额: $ 2.91万
• 依托单位: Niigata University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2010
• 资助国家: 日本
• 起止时间: 2010 至 2012
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22560074/
• 关键词: 生体力学; 膝関節; 軟骨接触; 下肢荷重; 関節軟骨; 接触; 膝蓋骨; 生体内測定; 応力解析; 軟骨; 下肢関節

In order to investigate the 3-dimensional (3D) load transfer mechanism in thelower extremity, articular contact behavior at the tibiofemoral and patellofemoral joints and deformationof the patellar tendon were evaluated in vivo using 3D joint models and images of joint motion capturedby calibrated x-ray systems. As the flexion angle of the knee changed, the location of the contact areaalso altered. The relative elongation of the patellar tendon increased as the knee flexed up to 60°. Beyond 60°, the elongation in the lateral portion of the tendon decreased. The direction and theamplitude of the force applied across the tibiofemoral and patellofemoral joints also varied with the kneemotion.

为了研究下肢的 3 维 (3D) 载荷传递机制，使用 3D 关节模型和通过校准的 x 轴捕获的关节运动图像在体内评估胫股关节和髌股关节的关节接触行为以及髌腱的变形。随着膝关节屈曲角度的变化，接触区域的位置也发生变化，髌腱的相对伸长也随着膝关节的伸长而增加。弯曲至 60°。超过 60°，肌腱外侧部分的伸长量会随着膝关节运动的变化而减小。

项目成果

In vivo pre- and postoperative three-dimensional knee kinematics in unicompartmental knee arthroplasty

单间室膝关节置换术术前和术后体内三维膝关节运动学

• 发表时间: 2013
• 作者: Mochi zuki T; Sat o T; Tani fuj i O; Kobayashi K; Koga Y; Yamagiwa H; Omori G; Endo N
• 通讯作者: Endo N

人工股関節摺動面における応力分布の数値解析

人工髋关节滑动面应力分布的数值分析

• 发表时间: 2011
• 作者: 解晨;坂本信;西野勝敏;湊泉;古賀良生;佐藤卓;小林公一;大森豪;田邊裕治
• 通讯作者: 田邊裕治

Three-dimensional in vivo motion analysis of normal knees using single-plane fluoroscopy

使用单平面透视对正常膝关节进行三维体内运动分析

• DOI: 10.1007/s00776-011-0149-9
• 发表时间: 2011
• 影响因子: 1.7
• 作者: Tanifuji O; Sato T; Kobayashi K; Mochizuki T; Koga Y; Yamagiwa H; Omori G; Endo N
• 通讯作者: Endo N

膝深屈曲時における膝蓋大腿関節と膝蓋腱のキネマティクス

膝关节深屈时髌股关节和髌腱的运动学

• 发表时间: 2011
• 作者: 小林公一;坂本信;Li G
• 通讯作者: Li G

Articular contact behavior of tibiofemoral joint during weight-bearing activities measured using an image registration technique

使用图像配准技术测量负重活动期间胫股关节的关节接触行为

• 发表时间: 2010
• 作者: Kobayashi K; Odagawa K; Toyoda T; Sakamoto M; Tanabe Y; Omori G; Koga Y
• 通讯作者: Koga Y