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Noninvasive local injection instrument

A local injection and injection tube technology, applied in veterinary equipment, medical science, etc., can solve the problems of easy secondary damage to the spinal cord, difficult positioning, and severe adhesion, so as to easily locate the injury point, improve the survival rate, and reduce adhesion. Effect

Inactive Publication Date: 2021-12-03
冯世庆
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] 1. Severe adhesion and bleeding will reduce the survival rate of animals;
[0005] 2. The situation of re-opening the incision is complicated, and it is easy to damage the spinal cord again;
[0006] 3. Due to serious adhesion, the tissue is not easy to separate, and it is difficult to locate the last injury site

Method used

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  • Noninvasive local injection instrument

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with examples. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

[0026] Such as figure 1 As shown, the non-invasive local injection instrument provided by the present invention includes an artificial lamina 1 and an injection tube 2, wherein: the artificial lamina 1 includes a fitting surface and an installation surface 11 arranged on the back, and the fitting surface is fitted and installed on an animal On the spine of the spine, an injection hole is provided on the mounting surface 11, so that the injection hole is aligned with the site to be injected on the spine; the injection tub...

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Abstract

The invention discloses a noninvasive local injection instrument, which comprises an artificial vertebral plate and an injection tube, the artificial vertebral plate comprises a binding face and a mounting face which are arranged back to back, the binding face is mounted on the spine of an animal in a binding mode, and an injection hole is formed in the mounting face so that the injection hole can be aligned with the portion, needing injection, of the spine; a through hole penetrating through the injection tube in the length direction is formed in the injection tube, the through hole is communicated with the injection hole, the injection tube comprises an installation end and an operation end, the installation end is installed on the installation face, and an operator injects injection medicine to an injection part through the through hole and the injection hole through the operation end. According to the noninvasive local injection instrument, secondary spinal cord injury is avoided, adhesion of the surgical part is reduced, bleeding is reduced, the survival rate of animals is increased, and injury parts are easy to be located.

Description

technical field [0001] The invention relates to the technical field of animal experiment equipment, and more specifically relates to a non-invasive local injection instrument. Background technique [0002] Animal experiments related to spinal cord injury, including local stem cell transplantation and local small molecule drug injection. Local injection is a commonly used, simple and effective treatment method, and it is an effective treatment method in many pre-experiments and drug treatment experiments. [0003] At present, in the process of constructing the rat spinal cord injury model, it is necessary to irreversibly destroy the lamina and expose the spinal cord. If local cell transplantation or local injection of small-molecule drugs is required after surgery, we usually need a second operation to re-expose the damaged site, but this operation will inevitably have the following problems: [0004] 1. Severe adhesion and bleeding will reduce the survival rate of animals;...

Claims

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Application Information

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IPC IPC(8): A61D7/00
CPCA61D7/00
Inventor 冯世庆张建平李文祥冉宁张任洁尚俊丁汉
Owner 冯世庆
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