Rat craniocerebral model preparation device

Abstract

The invention discloses a rat craniocerebral model preparation device which comprises a sliding block, a drill rod, at least two limiting insertion holes and limiting insertion pieces, wherein the sliding block is arranged in a sliding mode and provided with a guide hole, the drill rod is sleeved with a locking sleeve, the limiting insertion holes are distributed in one side of the sliding block in the axial direction of the guide hole and communicated with the guide hole in the radial direction, and the limiting insertion piece is inserted into one limiting insertion hole. When the sliding block slides to a designated area, the limiting insertion piece is inserted into the limiting insertion hole in the uppermost layer, the drill rod moves downwards along the guide hole until the drill rod abuts against the skull, the locking sleeve which is not locked moves downwards along the drill rod to abut against the limiting insertion piece when the drill rod moves downwards along the guide hole to abut against the skull, the locking sleeve is locked on the drill rod, and the limiting insertion piece is pulled out; when the limiting insertion pieces are sequentially inserted into the limiting insertion holes of the subsequent layers from top to bottom, the locked locking sleeve drills into the skull along with the drill rod till the locking sleeve abuts against the limiting insertion pieces again, the drilling depth of the drill rod is equal to the distance between all the limiting insertion holes, the drilling depth of the drill rod is accurately controlled, and the situation that the drill rod damages the brain is avoided.

Description

Technical field [0001] The present invention relates to the field of biological experimental instruments, and more particularly to a rat craniocerebral model making device. Background technique [0002] The rat cranial model production unit opened the window of rats with rats of rats, and completed directional injection, puncture, destruction or guiding positioning in the cranial neural structure, etc., which can be used in Parkinson Animal Model Establishment. Study on the establishment of epilepsy animal model, the establishment of cerebral tumor model and cerebral ischemia. [0003] When the model is prepared, it is necessary to accurately open the window to the rats, and can realize accurate intervention for the specific experimental region. However, it is limited by the prior art, in order to ensure the piercing accuracy, the experiment will usually puncture the different auxiliary puncture devices, which is relatively high in the operation experience of the experimenter, hi...

AI Technical Summary

Problems solved by technology

However, limited by the existing technology, in order to ensure the accuracy of the puncture, the experimenters usually use different auxiliary puncture devices to directly puncture the target brain area. Often inaccurate, prone to craniocerebral injury below the skull

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