| 主权项 |
1. An applicator, comprising:
a nozzle including an elongated nozzle main body, to which gas and a plurality of kinds of liquids are supplied, and a nozzle head at a distal end of the nozzle main body and configured to jet a mixed solution of the gas and the plurality of kinds of liquids supplied to the nozzle main body, the nozzle main body possessing an outer peripheral surface; a sheath in which the nozzle main body is positioned for relative movement along a longitudinal direction of the nozzle main body, the sheath possessing an inner peripheral surface; the applicator being insertable into a living body to apply the mixed solution to a region in the living body; a gap between the outer peripheral surface of the nozzle main body and the inner peripheral surface of the sheath that is an exhaust path for exhausting gas in the living body to outside of the living body when the pressure in the living body rises; and the sheath including a plurality of side holes at a plurality of positions on the sheath, the plurality of side holes being spaced from one another by an equal interval along an axial direction of the sheath, each of the side holes communicating with the gap. |
