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Three-dimensional measurement instrument for human knee-joint kinematics

A technology of three-dimensional measurement and knee joint, which is applied in diagnostic recording/measurement, medical science, sensors, etc. It can solve the problems of inability to measure knee joint translation data, high price, and reduced accuracy of measurement data, so as to achieve reliable and durable use. The effect of simple process and high measurement accuracy

Active Publication Date: 2015-11-04
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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AI Technical Summary

Problems solved by technology

At present, the existing knee kinematics measurement equipment such as the visual measurement equipment represented by VICON, such as the measurement equipment represented by the inclinometer or the angle meter; The shaking of the visual identification ball leads to a decrease in the accuracy of the measurement data; the latter can only measure the angle data of the joint, but cannot measure the translation data of the knee joint during flexion and extension

Method used

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  • Three-dimensional measurement instrument for human knee-joint kinematics
  • Three-dimensional measurement instrument for human knee-joint kinematics

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Embodiment Construction

[0024] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0025] Such as figure 1 As shown, a three-dimensional measuring instrument for human knee joint kinematics is characterized in that it includes a test circuit, a test frame 1, a thigh support frame 2, a calf binding 3 and a thigh binding arranged at the top of the thigh support 2 4; the test frame 1 and the thigh support frame 2 are welded together;

[0026] Such as figure 2 As shown, the test frame 1 includes a test frame body 5 and a test frame base 6; the four edges parallel to the X-axis direction on the test frame body 5 are four guide rails, and the four guide rails are respectively provided with X-direction Slider 1 7.1, X-direction slider 2 7.2, X-direction slider 3 7.3 and X-direction slider 4 7.4;

[0027] A Y-guiding rail 8.1...

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Abstract

The invention discloses a three-dimensional measurement instrument for human knee-joint kinematics. The three-dimensional measurement instrument comprises a testing circuit, a testing rack (1), a thigh support rack (2), a calf binding part (3) and a thigh binding part (4) arranged at the top end of the thigh support rack (2). The testing rack (1) is welded with the thigh support rack (2) and comprises a testing rack body (5) and a testing rack base (6). The three-dimensional measurement instrument for human knee-joint kinematics has following beneficial effects: a mechanical measuring mechanism and a sensor circuit are utilized for acquiring data on knee-joint kinematics so that high-precision acquisition and calculation of knee joint rotation and data on translational motion can be achieved.

Description

technical field [0001] The invention relates to a three-dimensional measuring instrument for human knee joint kinematics. Background technique [0002] In the field of human bionics research on the knee joint, the kinematic data of the knee joint of normal people has the most important and direct reference significance; Verify the effect of knee surgery and rehabilitation on the injured. [0003] Therefore, the kinematic data of the knee joint plays a very important role in some fields. The human knee joint is a very complex mechanical body. Higher than common hinge structures, so more accurate measurement equipment is required to obtain knee joint rotation and translation data. At present, the existing knee kinematics measurement equipment such as the visual measurement equipment represented by VICON, such as the measurement equipment represented by the inclinometer or the angle meter; The shaking of the visual identification ball leads to a decrease in the accuracy of t...

Claims

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Application Information

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IPC IPC(8): A61B5/11
Inventor 程洪张良伟潘有缘邱静杨阳
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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