Task Provided is a highly rigid injection needle in which damage to the tympanic membrane is small in a treatment for injecting a medicine into the tympanic chamber and a fracture accident in the ear canal hardly occurs.SOLUTION: The present invention is characterized in that the needle tube comprises an otolaryngological injection consisting of a distal end portion having a needle point at its distal end, a proximal end portion on the side of a needle base, and a connection portion for continuously connecting the distal end portion and the proximal end portion Wherein the outer diameter of the distal end portion is smaller than the outer diameter of the proximal end portion and the outer diameter of the connection portion, the outer diameter of the distal end portion is 0.3 mm or less, The length of the injection needle is 1 mm or more and 3 mm or less.(FIG.【課題】 鼓室内に薬剤を注入する治療において、鼓膜へのダメージが少なく、且つ、耳道内での破折事故が生じにくい高剛性の注射針を提供する。【解決手段】 本発明は、針管が、先端に針先を有する先端部と、針基側の基端部と、前記先端部と前記基端部を連続的に接続する接続部から構成される耳鼻科用注射針であって、前記先端部の外径は、前記基端部の外径および前記接続部の外径より小さく、前記先端部の外径は0.3mm以下であり、且つ、前記先端部の長さは1mm以上、且つ、3mm以下であることを特徴とする耳鼻科用注射針を提供する。【選択図】図1
