Blood collection tube for clinical laboratory

The utility model discloses a clinical laboratory blood collection tube, which relates to the technical field of medical instruments, and comprises a tube body, the top of the tube body is movably connected with a rubber plug, the surface of the rubber plug is fixedly connected with the inner wall of a tube cap, the bottom of the rubber plug is embedded with a cylinder, the bottom of the cylinder is provided with a through hole, and the through hole is communicated with the tube cap. The bottom of the cylinder is provided with a flow guide part, the inner wall of the cylinder is fixedly connected with a connecting ring, the connecting ring is embedded in the rubber plug, and the top of the pipe cap is provided with an end socket. Through the arrangement of the cylinder, the gathering ring, the through hole and the flow guide piece, blood is prevented from directly falling to the bottom of the inner tube through the flow guide piece, blood cell damage is effectively prevented, the effect of effectively prevent