Abstract: Objective To design and develop a simple rat and mouse laser locator to provide a safe, convenient, accurate and affordable experimental tool for medical NMR experiments. Method Selected plexiglass plates and laser locator combination assembled into small animal laser locator. Result Compared with other similar products, the mouse laser locator has the advantages of simple and safe manufacture, basically meeting the experimental requirements and low price. Conclusion The small animal laser locator plays an active role in the nuclear magnetic inspection of small animals, which greatly shortens the experiment time and improves the accuracy of the placement of experimental animals, providing a powerful guarantee for the next step of nuclear magnetic resonance scanning of experimental animals.

Key words: nuclear magnetic, rat, mouse, locator

摘要： 目的 设计研制简易大鼠与小鼠激光定位仪，为医学核磁共振实验提供安全，方便，准确，价格低廉，便于操作的实验工具。方法 选用有机玻璃板以及激光定位仪组合拼装制成小动物激光定位仪。结果 该小鼠激光定位仪与其他类似产品比较，具有制作简单，安全，基本满足实验要求，价格低廉等优点。结论 小动物激光定位仪对小动物核磁检查起到了积极的作用，极大地缩短了实验时间与提高了试验动物摆放位置的精度，为下一步对实验动物进行核磁扫描提供了有力保障。

关键词: 核磁, 大鼠, 小鼠, 定位仪