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Precise injection instrument for caudal vein

An injection instrument and vein technology, applied in the field of biomedical experimental instruments, can solve the problems affecting the stability and accuracy of experiments, uneven technology, etc., and achieve the advantages of reducing the probability of rat tail infection, high work efficiency, and improving the success rate. Effect

Inactive Publication Date: 2016-12-14
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the skills of the experimental operators are uneven, the success of the tail vein injection experiment and the length of time are different, which affects the stability and accuracy of the experiment.

Method used

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  • Precise injection instrument for caudal vein

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] See attached figure 1 , Set the temperature on the controller 1 to 60 degrees Celsius, and the heating and temperature measuring device 3 starts to heat up, and after the temperature stabilizes. The mouse is fixed with a fixer, which is a commercial mouse fixer, and the tail of the mouse is protruded from the entrance 7 at the front end of the main cavity, through the main cavity 6, and out from the outlet 5 at the rear end of the main cavity. After 30 seconds, the rat tail vein swelled. Align the rat tail vein with the needle inlet hole 4 of the syringe, insert the syringe needle into the syringe hole 4, insert it into the rat tail vein, inject the reagent, and then withdraw the syringe needle to complete the experiment.

[0022] The same or similar reference numerals correspond to the same or similar components;

[0023] The terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be interpreted as limitations on this...

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Abstract

The invention discloses a precise injection instrument for a caudal vein. The precise injection instrument comprises a main cavity, a needle feeding hole channel, a heating and temperature measuring device, a controller and a connection cable. The precise injection instrument for the caudal vein is reasonable in design, simple and convenient in operation and high in working efficiency in experiments, the damage to a mouse tail in a caudal vein injection process can be lowered, a caudal infection probability is lowered, repeatability is good, and the success rate of the caudal vein injection can be effectively improved. The precise injection instrument can be used for the caudal vein injection experiment operations of various strains of rats and mice.

Description

technical field [0001] The invention relates to the field of biomedical experimental instruments, and more specifically, to a precision injection instrument for rat tail veins. Background technique [0002] In the research fields of life science, medicine, and pharmacy, the experimental operation of tail vein injection of rats and mice is a routine and very important experimental operation. The establishment of many animal disease models, drug screening and other research, all need to use the experimental operation of mouse tail vein injection. [0003] In the past, the rat tail vein injection was mainly done by heating the rat tail to expand the tail vein of the rat, and injecting the needle into the tail vein of the rat. The method of heating the rat tail is heating with warm water or lighting. [0004] Using warm water to heat the tail of the rat will cause the tail to be wet, and the tail of the rat is prone to infection, which will affect the accuracy of the experimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61D7/00A61D3/00
CPCA61D3/00A61D7/00
Inventor 孙成新刘利新陈永明
Owner SUN YAT SEN UNIV