| 摘要 |
PURPOSE: A ball-point type needle tube is provided, which facilitates use and carrying by forming a slender bamboo needle tube into a ball-point pen type. CONSTITUTION: A ball-point type needle tube comprises: a ball-point pen body of a cone shape; a slender pipe in which a needle is inserted and which is installed in the lower part of the body of the ball-point pen body of the cone shape; and a spring inserted into the slender pipe. The top of the lower body and lower part of the body are connected in a screw-type and are fixed or separated. Inside the ball-point pen body, a magnet plate pipe and a pin are installed. |
