| 摘要 |
PROBLEM TO BE SOLVED: To provide a percutaneous administration device capable of safely administering a drug solution into an intended portion of an intracutaneous tissue.SOLUTION: A drug solution injection needle 1 is attached to a distal end of an injector 6. The drug solution injection needle 1 includes a body 10 of the substantially cylindrical drug solution injection needle, a protrusion part 14 that forward extends from the distal end of the body 10, and a plurality of needles 11 protruding from the distal end surface of the protrusion part 14. The plurality of needles 11 are aligned in a line. Drug solution discharge ports 13 formed on the respective needles 11 face in the same direction. The external face of the protrusion part 14 includes a first face 17 formed by notching the external surface of the body 10, and the drug solution discharge ports 13 of the plurality of needles 11 face oppositely to the side where the first face 17 faces. |
