Cranial nerve knife for neurosurgery intracerebral operation

The embodiment of the utility model relates to the technical field of medical instruments. The cranial nerve knife comprises a knife handle, a clamping groove is formed in the left side end of the knife handle, a blade is movably inserted into the clamping groove, a thread is arranged at the left end of the outer side face of the knife handle, and a threaded sleeve is in threaded connection with the left end of the outer side face of the knife handle through the thread. The utility model discloses a cranial nerve knife for a neurosurgery intracerebral operation. According to the cranial nerveknife, through the threads, the threaded sleeve and the clamping block, the blade can be continuously clamped through the clamping groove, and then the two ends of the clamping groove are extruded andclamped through the threaded pipe, so that the blade in the clamping groove can be clamped, the assembling process of the cranial nerve knife is simpler and more convenient, and meanwhile, the safetyis also greatly improved.