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Hip joint angle measurement apparatus

An angle measuring device and hip joint technology, applied in the field of orthopedic implant testing platform, can solve the problems of unfavorable hip joint development and reliability testing, complex maintenance, high cost, etc., achieve low manufacturing and maintenance costs, and be easy to popularize and apply , the effect of convenient operation

Active Publication Date: 2016-10-26
SHANGHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since such devices are general-purpose or universal devices that cover many types of mechanical tests, the cost of running such tests on general-purpose test devices is high and the maintenance is complicated, which is not conducive to the development and reliability testing of many hip joints

Method used

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Experimental program
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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 1 As shown, a hip joint angle measurement device includes a machine frame 1, an acquisition fine-tuning module 3, a motion module 4, and a motion control module 6; The motion control module 6 is fixed on the bottom plate 102 of the machine frame 1 through the fixed side bearing 8, and the motion module 4 is connected with the moving plate 404 on the motion control module 6 through the bearing 5 with seat.

[0020] Such as figure 2 As shown, the structure of the machine frame 1 includes a fixed foot 101, a bottom plate 102, an optical axis fixing seat 103, an optical axis 104, and a top plate 105, and the fixed foot 101 is fixed on the bottom surface of the bottom plate 102 by fixing bolts , the optical axis 104 is fixed on the bottom plate 102 through the optical axis fixing seat 103 , and the top plate 105 is fixed on ...

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Abstract

The invention relates to a hip joint angle measurement apparatus. The hip joint angle measurement apparatus comprises a machine frame, an acquisition fine tuning module, a motion module and a motion control module, wherein the acquisition fine tuning module is connected with a base plate on the machine frame through a connecting plate, the motion control module is fixed on the base plate of the machine frame through a fixation side bearing, and the motion module is connected with a mobile plate on the motion control module through a bearing unit. The acquisition fine tuning module is internally provided with a force transducer and a three-dimensional slide unit, for online determination of a loading force and a fine tuning loading force; and a handle on the motion control module can adjust a slide leading screw so as to adjust the size of the loading force. The measurement apparatus provided by the invention can test and determine angle performance of a biomedical hip joint and can test biological motion features of an orthopaedic implantation apparatus under different load conditions; and the manufacturing and maintenance cost is low, the operation is convenient, and the promotion and application are easy.

Description

technical field [0001] The invention relates to a testing platform for orthopedic implants, in particular to a hip joint angle measuring device. Background technique [0002] At present, the hip joint angle measurement devices on the market are uneven, with various types, no corresponding standards, and lack of corresponding design basis, but the reliability of the products is low and the service life is not long. The range of motion angle of the hip joint is uncertain, and the service life is difficult to predict. [0003] At present, the measurement of hip joint angle mainly relies on general-purpose commercial experimental machines. Since this type of device is a general-purpose or universal device that covers many types of mechanical tests, the cost of running such tests on a general-purpose test device is high and the maintenance is complicated, which is not conducive to the development and reliability testing of many hip joints. Contents of the invention [0004] T...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01B21/22
CPCG01B21/22G01M13/00
Inventor 华子恺杜联星张克玉杨蕴杰
Owner SHANGHAI UNIV
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