Biopsy sampling device for rapid tumor diagnosis

The utility model discloses a biopsy sampling device for rapid tumor diagnosis. The biopsy sampling device comprises a cylindrical barrel, a negative pressure air suction barrel is arranged in the cylindrical barrel and connected with a pressing rod through a pull rod arranged on the upper end face of the negative pressure air suction barrel, the cylindrical barrel is slidably connected with a position adjusting sliding block through a rectangular groove formed in the upper end of the outer side face of the cylindrical barrel, and the position adjusting sliding block is connected with an arc-shaped cutting knife through a lifting rod. According to the biopsy sampling device for rapid tumor diagnosis, living cells at the tumor focus position can be extracted in batches, the sampling device is effectively prevented from being polluted by surface cells of a patient, sufficient biopsy cells can be extracted through one-time puncture, and the biopsy sampling device is convenient to use and high in practicability.