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Biological soft tissue mechanical property testing instrument and biological soft tissue mechanical testing method

A technology of biological soft tissue and mechanical properties, which is applied in the field of biomedical engineering and tissue engineering, can solve the problems of different mechanical properties, single test function, and inability to measure material response, so as to achieve the effect of material response

Active Publication Date: 2016-02-03
SUZHOU UNIV
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Problems solved by technology

Due to the different mechanical properties of biological soft tissues according to their own differences, shapes and characteristics, the main mechanical properties tests of biological tissues include extrusion test, tensile test and shear test. However, in the existing The test instruments in the test have the following problems: the existing shear tester is mainly used for isotropic media, the test function is single, and the material response under complex shear modes cannot be measured

Method used

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  • Biological soft tissue mechanical property testing instrument and biological soft tissue mechanical testing method
  • Biological soft tissue mechanical property testing instrument and biological soft tissue mechanical testing method
  • Biological soft tissue mechanical property testing instrument and biological soft tissue mechanical testing method

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] see Figure 1 to Figure 3 According to a preferred embodiment of the present invention, a biological soft tissue mechanical property tester is used to test the mechanical properties of biological soft tissue, which includes a base 10, a clamp 20 arranged on the base 10 to fix the biological soft tissue, The horizontal force applying device 40 connected with the clamp 20 and applying a lateral force on the clamp 20, the vertical force applying device 50 connected with the clamp 20 and applying a vertical force on the clamp 20, clamping The clamp 20 and a longitudinal tension detection device 30 for detecting the longitudinal force borne by the clamp 20, a displaceme...

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Abstract

The invention relates to a biological soft tissue mechanical property testing instrument and a biological soft tissue mechanical testing method. The testing instrument comprises a base, a clamp, a transverse force application device, a vertical force application device, a longitudinal tension detection device, a displacement detection device, a collecting device and a computer. The clamp is arranged on the base and used for fixing biological soft tissue. The transverse force application device is connected with the clamp and exerts transverse force on the clamp. The vertical force application device is connected with the clamp and exerts vertical force on the clamp. The longitudinal tension detection device is used for clamping the clamp and detecting longitudinal force borne by the clamp. The displacement detection device is arranged on the base to detect the displacement of the clamp. The transverse force application device comprises a transverse tension detection device detecting transverse force exerted on the clamp. The vertical force application device comprises a vertical tension detection device detecting vertical force exerted on the clamp. The collecting device collects the longitudinal force, the transverse force, the vertical force and the displacement. The computer is in signal connection with the collecting device and analyzes the longitudinal force, the transverse force, the vertical force and the displacement.

Description

technical field [0001] The invention relates to a biological soft tissue mechanical property tester and a biological soft tissue mechanical testing method, belonging to the fields of tissue engineering and biomedical engineering. Background technique [0002] The mechanical properties test of biological tissue is an important link in the research and development of tissue engineering and medical devices. Due to the different mechanical properties of biological soft tissues according to their own differences, shapes and characteristics, the main mechanical properties tests of biological tissues include extrusion test, tensile test and shear test. However, in the existing The test instruments in the test all have the following problems: the existing shear tester is mainly used for isotropic media, the test function is single, and the material response under complex shear modes cannot be measured. Contents of the invention [0003] The purpose of the present invention is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24
CPCG01N3/24G01N3/06G01N2203/0676G01N2203/0682G01N33/4833G01N3/04G01N3/066G01N3/08
Inventor 冯原唐汉民孙立宁
Owner SUZHOU UNIV
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