| 摘要 |
An applicator insertable into a living body includes a nozzle having an elongated nozzle main body and a nozzle head on a front end side of the nozzle main body and through which liquid together with gas is expelled, with the nozzle main body including a flexible curved section. The applicator also includes an outer tube in which is positioned a portion of the nozzle main body so as to be movable along a longitudinal direction. The angle or degree of curvature of the curved section is changed by inserting the curved section into the outer tube to thereby adjust the direction of the nozzle head relative to the axis of the nozzle main body. In addition, a longitudinally extending gap exists between the outer tube and the nozzle. The gap functions as a discharge path for discharging the gas within the body cavity.
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