Tokay gecko brain three-dimensional positioning device and positioning method based on quadrate bone and maxillary dental top

A stereotaxic and gecko technology, which is applied in the fields of restraining animals, medical science, veterinary instruments, etc., can solve problems such as unfavorable experiments, affecting the precise positioning of microelectrodes for electrical stimulation recording, etc.

Active Publication Date: 2012-07-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This displacement of brain tissue will undoubtedly affect the precise positioning of electrical stimulation and recording microelectrodes, which is not conducive to the experiment

Method used

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  • Tokay gecko brain three-dimensional positioning device and positioning method based on quadrate bone and maxillary dental top
  • Tokay gecko brain three-dimensional positioning device and positioning method based on quadrate bone and maxillary dental top
  • Tokay gecko brain three-dimensional positioning device and positioning method based on quadrate bone and maxillary dental top

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Embodiment Construction

[0026] figure 1 It is a schematic diagram of the stereotaxic device based on the square bone and maxillary tooth top. As shown in the figure, the U-shaped support 6 is fixed on the base 5 through three pillars. The left ear bar holder 2 and the right ear bar holder 3 are connected to the U-shaped support 6 through the left ear bar fastening screw 1 and the right ear bar fastening screw 4 respectively. The mutual position of the left and right ear bar holders can be adjusted by turning the two ear bar fastening screws. The gecko adapter 8 is connected with the U-shaped support 6 by the adapter fastening screw 7 . Rotating the adapter fastening screw 7 can adjust the overhang position of the gecko adapter 8 on the U-shaped support 6 .

[0027] figure 2 , image 3 It is the assembly structure diagram of the left and right ear bar holders. As shown in the figure, a through hole and a blind hole are drilled on the upper chuck 11 of the ear bar, and the locking screw I 9 and ...

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Abstract

The invention discloses a tokay gecko brain three-dimensional positioning device and a positioning method based on a quadrate bone and a maxillary dental top. The special concave structure of the quadrate bone in the auditory meatus of a tokay gecko is utilized by the positioning device, an ear rod end adaptive to the structure of the quadrate bone is designed, left-right leveling and centering effects in clamping the skull of the tokay gecko are ensured; and then the maxillary dental top of the tokay gecko is positioned and clamped by a maxillary support plate, so that the head of the tokay gecko is fully fixed. The positioning device comprises a left-right ear rod clamp, a tokay gecko adapter, a three-dimensional electrode moving device and the like. By the special structure design of the ear rod and the ear rod end and under the cooperation of the positioning to the maxillary dental top of the tokay gecko by the maxillary support plate, the parietal bone and the frontal bone of the tokay gecko no more rotate relatively when tokay gecko opens or closes the mouth and when the body of the tokay gecko moves drastically, so that the standard position of the brain tissue of the tokay gecko in an experiment is ensured; and the positioning device not only achieves firm and reliable positioning, but also has the characteristics of correct positioning and simple operation. The positioning method is also suitable for positioning and clamping other Gekkonidae animals.

Description

technical field [0001] The gecko brain stereotaxic device and method based on the square bone and the maxillary tooth top of the present invention belong to the technical field of brain stereotaxic, and are used for the stereotaxic positioning of the gecko head to carry out related exploration experiments of the gecko brain function. Background technique [0002] The inventor's authorized invention patent "Gecko Brain Stereotaxic Positioning Method and Device" (Patent Authorization No.: 200610086008.x) has determined the large gecko brain stereotaxic method, and designed a related positioning and clamping device. The designed positioning and clamping device adopts the three-point positioning and clamping method of the left and right orbital clamping points and the tooth top of the upper jaw of the gecko. Stimulus and its neural information recording. [0003] The anatomical study of the gecko skull shows that the frontal bone and parietal bone have obvious coronal sutures. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61D3/00
Inventor 王文波王浩蔡雷戴振东刘振东
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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