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Brain stereotaxic instrument is a device used to locate and fix the brain of experimental animals. During the experiment, a brain locator is first used to fix the animal's head so that it does not undergo any relative movement. Then, using the three-dimensional coordinate system specified by the markers or other reference points outside the animal's skull, and based on the experimental animal's brain localization map, the position of certain neural nuclei under the cerebral cortex, such as the hippocampus, is determined in order to perform targeted stimulation, destruction, injection of drugs, guidance and positioning of the studied neural nuclei under non direct visual exposure. It can be used for establishing animal models of Parkinson's disease, epilepsy, brain tumors, learning and memory, neural stem cell transplantation, cerebral ischemia, and other research.

The M5057 Double-arm large animal brain stereotaxic instrument is compatible with brain science experiments on animals of different weights and sizes, including cats, dogs, dogs, monkeys, pigs, and mice. Adopting a unique rotating fixed bracket structure, the track can rotate 360 degrees, suitable for applications at various angles; Two parallel tracks can easily install four operating arms and perform multiple independent operations on an animal at the same time.

1. X-axis rotation: -90 °~90 °
2. Z-axis rotation: -90 °~90 °
3. X and Z axis adjustment range: 0~80mm
4. Y-axis adjustment range: 0~200mm, adjustment accuracy of 100um, fine adjustment accuracy of 10um
5. Single arm, double arm, and four arm digital displays can be freely configured according to needs. Single arm digital display, double arm digital display, and four arm digital display are used for simultaneous recording and stimulation
6. Different adapters (dog monkey adapter/cat rabbit adapter) can be selected to complete the experiment
7. Supports simultaneous use of 4 operating arms
8. Optional micro push micrometer, control the operating arm within a range of 25mm through the micrometer knob, and fine tune the front and back with 10um steps