A measurement system for the biomechanical properties of the cruciate ligament of the human cadaver knee joint

Abstract

The invention relates to the field of medicine, and relates to a measurement system for the biomechanical properties of the cruciate ligament of the knee joint of a human body, including hardware such as a positioning robot, a force sensor, a data acquisition card, a visual tracking platform, a computer, a tibial fixation part, and a femur fixation part And software such as the force information acquisition module, the positioning robot movement module and the visual tracking module stored in the computer. The force information acquisition module realizes precise force control by acquiring the force information of the knee joint in real time. The positioning robot motion module connects the computer and the positioning robot through Ethernet communication, assisting the doctor to complete the motion control and obtain the precise position information of the knee joint. The visual tracking module collects the pose information of the Marker on the tibia and femur in real time, and obtains the amount of movement and rotation of the knee joint by comparing the pose changes before and after the knee joint movement. Assist doctors to complete precise force control and motion control, and obtain the position and posture information of the knee joint, reduce the difficulty of experimental operations, and improve the accuracy of experimental results.

Description

technical field [0001] The invention relates to a fixing device for assisting in measuring the biomechanical properties of the cruciate ligament of the knee joint of a human corpse, and relates to a method for measuring the biomechanical properties of the cruciate ligament of the knee joint of a human corpse using force sensor technology, computer vision technology and robot technology. Background technique [0002] The anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) are important structures to maintain the stability of the normal knee joint. Their rupture is a common injury in sports medicine, which can lead to joint instability and induce meniscus, Intra-articular structures such as articular cartilage are damaged, which seriously affects joint function. Due to poor blood supply and limited self-repair ability after cruciate ligament rupture, ligament reconstruction surgery is generally required, and arthroscopic minimally invasive reconstruction of ...

AI Technical Summary

Problems solved by technology

At present, the arthroscopic reconstruction surgery methods for knee ligament injuries have a variety of options, a large part of which is determined by the preference of the surgeon, and there is no consistency. No one has done a detailed comparative study on the biomechanical characteristics of different surgical methods before. Which is more dominant, lack of scientific basis

Images