| 摘要 |
PROBLEM TO BE SOLVED: To easily and accurately detect the degree of subcutaneous penetration and the direction of a tip cut face of a needle. SOLUTION: A plurality of lines 4a are arranged axially at an interval of 1.0-10.0mm at a position corresponding to a tip cut face 2a of the surface of an injection needle body 2 to be used as marks 4. When the injection body 2 is used for intraveneous injection visual checking is made to see until what order of the lines 4a from the tip is penetrated. This needle enables easily and accurately detecting the degree of penetration while facilitating the checking of the direction of the tip cut face of the needle. |
