| 摘要 |
<p>A nasal cavity administration container (100) is provided with a barrel (1), a plunger (2), a plunger rod (3), a gasket (4), and an elastic member (5). A pressing section (34) is pressed in a first administration start state (S2). The surface (34a) of the pressing section (34) is pressed on the other end (20b) of the plunger (2). The plunger (2) is pressed by the plunger rod (3). When a first engagement section (36) makes contact with a protrusion section (16), a second engagement section (38) and a first long hole section (26) are disengaged from each other. When the pressing force on the pressing section (34) is removed, the restoring force of the elastic member (5) causes the second engagement section (38) to retract, and the second engagement section (38) engages with a second long hole section (28). When the pressing section (34) is pressed again, the engagement between the second engagement section (38) and the second long hole section (28) causes the plunger (2) to be pressed by the plunger rod (3). The nasal cavity administration device (100) enables the user to administer a medical liquid to each of the nasal cavities by one hand.</p> |
