The utility model belongs to a rat fixator. The utility model relates to a rat fixator, in particular to a clamp-type rat fixator. The device comprises a fixed shaft and two handles which are oppositely pivoted through the fixed shaft, the lower end of the handle extends to form an arc-shaped comb-shaped clamp body; the two comb-shaped clamp bodies are arranged in a staggered manner; the fixing shaft is sleeved with a torsional spring. Two ends of the torsion spring are propped against the end surfaces of the two handles; sliding blocks are further arranged on the two comb-shaped clamp bodiesi...
