Tree shrew oral cavity expander

A tree shrew and oral cavity technology, which is applied to the field of experimental tree shrew oral opening devices, can solve the problems of failure of opening the oral cavity, prolonged operation time, and increased labor intensity of operators, and achieves the effect of simple and efficient use.

Pending Publication Date: 2020-03-24
THE FIRST AFFILIATED HOSPITAL OF GUANGXI MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing animal mouth spreaders are usually fixed spreader blocks or ring spreaders. Fixed spreader blocks are generally suitable for slightly larger experimental animals such as cats and dogs, and the size of the spreader cannot follow the size of the animal's oral cavity. The size of the ring spreader is adjusted according to the size; the ring spreader has no positioning device after stretching, and it is easy to rotate and disp

Method used

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  • Tree shrew oral cavity expander
  • Tree shrew oral cavity expander
  • Tree shrew oral cavity expander

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The present invention is a tree shrew mouth opening device, the main structure includes a body cover 1, an elastic band 2 and an adjustable mouth support 3; the body cover 1 is set on the body of the tree shrew's forelimb rear side, One end of the elastic band 2 is connected with the body cover 1; the adjustable brace 3 includes a brace and an adjuster; the center of the brace is provided with an observation port 4; the brace includes an upper brace 5 and a lower brace 6. The upper support plate 5 and the lower support plate 6 are rotatably connected by the rotating shaft 7, and the rotating shaft 7 is arranged on both sides of the viewing port 4; the other end of the elastic band 2 is bound to the binding groove 8 outside the rotating shaft 7. The body cover 1 of the device has tightness, as shown in the accompanying drawings figure 1 The shown method is set on the body of the tree shrew's forelimb rear side, and the forelimb can prevent the body cover 1 from sliding t...

Embodiment 2

[0032] Compared with embodiment 1, there are following technical improvements in this embodiment 2:

[0033] The top of the adjusting rod barrel 10 is provided with a spring cavity 20, the spring cavity 20 is provided with a telescopic spring 21, and the top of the telescopic spring 21 is provided with a telescopic column 22, and the bottom end of the telescopic column 22 is in contact with the telescopic spring 21, The top end of the telescopic column 22 extends out of the spring cavity 20 and is hinged with the upper support plate 5 . The top of the spring chamber 20 is provided with a limit top wall 23, and the bottom end of the telescopic column 22 is provided with a limit flange 24, and the limit top wall 23 limits the limit flange 24, thereby preventing the telescopic column 22 from Spring chamber 20 pops up.

[0034]The telescopic column 22 can expand and contract in the spring cavity 20. When the tree shrew bites lightly, it will overcome the elastic force of the tele...

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Abstract

The invention discloses a tree shrew oral cavity expander for experiments, and mainly relates to the technical field of tree shrew experimental equipment. The tree shrew oral cavity expander comprisesa body sleeve, an elastic band and an adjustable opening supporting device, the adjustable opening supporting device comprises a supporting plate and an adjuster; an observation opening is formed inthe center of the supporting plate; the supporting plate comprises an upper supporting plate and a lower supporting plate, and the upper supporting plate and the lower supporting plate are rotationally connected through a rotating shaft; the adjuster comprises a fixed rod cylinder hinged to the tail end of the lower supporting plate and an adjusting rod cylinder hinged to the tail end of the uppersupporting plate. The tree shrew oral cavity expander has the beneficial effects that the tree shrew oral cavity expander is invented based on a new opening supporting device technology, has a betterfixing effect, is easy, convenient and efficient to use, and can adjust the supporting height according to the oral cavity size and experiment requirements; moreover, the mouth opening amplitude of animals can be slightly adjusted, and the animals can slightly adjust the mouth opening amplitude to improve the comfort level. Furthermore, the tree shrew oral cavity expander is not only suitable fortree shrews, but also suitable for all small experimental animals.

Description

technical field [0001] The invention relates to the technical field of tree shrew experimental equipment, in particular to an experimental tree shrew oral opening device. Background technique [0002] Tree shrews are small climbing mammals. Because they belong to lower primates in systematic taxonomy, their anatomy and physiology are closer to humans than common rodent experimental animals such as mice and rats, and they can suffer from many diseases. Similar to human diseases, tree shrews have been widely used as animal models in the research of viruses, bacteria, parasites and nerves, endocrine, immunity, tumors and other aspects. When experimenting with tree shrews for oral cavity or throat experiment observation and operation, experimenters need to keep the tree shrew's mouth open for a long time, but there is no introduction about the tree shrew's mouth opening device. [0003] Existing animal mouth spreaders are usually fixed spreader blocks or ring spreaders. Fixed s...

Claims

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Application Information

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IPC IPC(8): A61D15/00
CPCA61D15/00
Inventor 肖欢李超乾
Owner THE FIRST AFFILIATED HOSPITAL OF GUANGXI MEDICAL UNIV
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