| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection needle, an injection syringe, a mixed injection device for performing mixed injection processing using the injection syringe, and a mixed injection method, capable of reducing an operation time by simplifying an injection process, a suction process, etc. using the injection syringe.SOLUTION: An injection needle 11c includes a needle tube 211 and a ventilation part 213 that communicates a first position (first opening 2131) spaced from the leading end 2111 of the needle tube 211 to the rear end 2112 side and a second position (second opening 2132) spaced from the first position to the rear end 2112 side outside the needle tube 211. |
