Bone sampler

The utility model discloses a bone sampler which comprises an outer tube assembly and a middle tube assembly, the outer tube assembly comprises an outer tube and an outer tube handle, the outer tube is fixed on the outer tube handle, one end of the outer tube is exposed out of the outer tube handle, and an annular protrusion is arranged on the inner wall of the other end of the outer tube; the middle pipe assembly comprises a middle pipe and a cover body, the middle pipe penetrates through the outer pipe, one end of the middle pipe is fixed to the cover body, the other end of the middle pipe is provided with a plurality of sawteeth and at least two clamping parts, and the clamping parts are arranged at the end, away from one end of the cover body, of the middle pipe and are oppositely arranged; and when the middle tube moves towards the sampling end, the clamping parts are driven by the bulges to get close to each other and generate plastic deformation. According to the bone sampler disclosed by the utility m