Neural restoration fixing device

The invention relates to the technical field of medical apparatus and instruments, and discloses a nerve repair fixing device which is used for repairing a nerve broken end and reducing the operation difficulty and comprises a nerve cannula and a fixing assembly. The inner diameter of the nerve cannula is matched with the outer diameter of the nerve broken ends, and the two ends of the nerve cannula sleeve the outer sides of the pair of nerve broken ends respectively to assist the nerve broken ends in growing and repairing along the inner cavity of the nerve cannula; fixing assemblies are arranged at the two ends of the nerve cannula and comprise a plurality of fixing needles and tightening lines; each fixing needle is provided with a needle head piece and a threading piece which are connected with each other, and the needle head pieces are arranged towards the outer wall of the end part of the nerve cannula and are fixed in advance, so that subsequent threading is facilitated; the threading piece is provided