Collection device for tumor cell pathology examination

The utility model discloses a collecting device for pathological examination of tumor cells. Collecting needle tube, wherein one end of the collection needle tube is fixedly connected and communicatedwith a collection needle head; a piston is connected into the collection needle tube in a sliding manner; the piston is slidably connected with and abuts against the inner wall of the collection needle tube. A push rod is fixedly connected to the end, away from the collecting needle head, of the piston, the end, away from the piston, of the push rod penetrates through the inner wall of the collecting needle tube and is slidably connected with the inner wall of the collecting needle tube, the collecting needle tube is slidably sleeved with a protective sleeve, and a first fixing mechanism anda second fixing mechanism are arranged between the protective sleeve and the collecting needle tube. By arranging the protective sleeve, the protective sleeve can protect and cover the collecting needle head, so that the colle