Needle biopsy assembly

The utility model discloses a needle biopsy component, including hand part, be provided the fixed column of hand part bottom end, be provided the connecting seat of fixed column bottom end and be provided the puncture needle core of connecting seat bottom end, the fixed column is composed of column body no. The telescopic mechanism is composed of an adjusting assembly and a limiting assembly, the adjusting assembly is arranged at the joint of the first column body and the second column body, the limiting assembly is arranged on the inner side of the adjusting assembly, and the adjusting assembly is composed of a rotating column and a rotating groove; by means of the designed telescopic mechanism, the problem that in the using process of an original needle biopsy assembly, due to the fact that the length of a puncture needle core is in a fixed state, rapid adjustment cannot be conducted according to actual conditions is solved, the length of the needle biopsy assembly can be adjusted according to requirements