Load-bearing device

A technology of weights and helical springs, which is applied in the field of load-bearing devices for animal swimming endurance experiments, can solve the problems affecting the repeatability and scientificity of mouse swimming endurance experiments, the inability to carry heavy objects conveniently, and the difficulty of fixing heavy objects, etc., to achieve Guaranteed repeatability and scientific, easy to remove, fixed effect

Inactive Publication Date: 2012-05-02
ARMY MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Through the research on the prior art, the applicant found that: in the existing experiments, there are many disadvantages in the rat tail weight and the way of fixing the weight. Not only is it difficult to fix the weight on the rat tail simply, quickly and safely, but also the weight The inability to adjust the quality conveniently, quickly and accurately affects the repeatability and scientificity of the mouse swimming endurance experiment

Method used

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0025] figure 1 Schematic diagram of the structure of the load-bearing device provided in the embodiment of the present application.

[0026] figure 2 A side view of the load-bearing device provided by the embodiment of the present application.

[0027] Such as figure 1 and figure 2 As shown, the load-bearing device includes: a coil spring 1 and...

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Abstract

The invention discloses a load-bearing device comprising a spiral spring and a plurality of weights, wherein the diameter of the spiral spring is sequentially reduced from an upper end to a lower end; the outer wall of the spiral spring is provided with a plurality of fixed rings; and the plurality of weights are respectively placed in the plurality of fixed rings. The load-bearing device is easy to operate, can be conveniently and fast assembled or disassembled during experiments and firmly fixed after being assembled, and can conveniently, fast and accurately regulate the total weight, thereby ensuring the repeatability and the scientificity of the experiments.

Description

technical field [0001] The present application relates to the field of experimental devices, in particular to a load-bearing device for animal swimming endurance experiments. Background technique [0002] The animal swimming endurance test is a classic test that is often used to evaluate the effects of drugs or poisons on the body's anti-fatigue ability. The researchers usually put a weight of 5%-10% of the body weight on the tail of the mouse, and record the time it takes to swim in a constant temperature (about 25 degrees Celsius) pool with a water depth greater than twice its body length until it cannot surface for more than ten seconds. Compare the length of this time to evaluate the size of the influence of experimental factors on the anti-fatigue ability of animals. [0003] In recent years, with the continuous development of research on traditional Chinese medicine and exogenous compounds in China, the mouse swimming endurance test has attracted more and more attenti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B19/00A61B90/00
Inventor 李代波孙磊刘晋祎曹佳韩飞敖琳
Owner ARMY MEDICAL UNIV
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