Patent ID: 7484678

Claim:
A nasal dispensing nozzle for use with a fluid medicament discharge pump device having a discharge outlet for discharge of pumped fluid medicament, the nasal dispensing nozzle comprising a body defining a fluid flow channel; an inlet port defining an inlet to said channel, said inlet port shaped for receipt of said discharge outlet to enable delivery of said pumped fluid medicament to the channel; an outlet port defining an outlet from said channel, said outlet port shaped for insertion into the nasal cavity of a user to enable delivery of the pumped fluid medicament thereto, and an insert comprising a body and screw thread on the body which provides the insert with a screw thread outer surface of constant diameter, the insert being positioned in the channel with the screw thread engaging a wall of the channel to provide a screw thread path to the channel between the inlet and said outlet to impart angular momentum to the pumped fluid medicament, wherein one of the channel wall and the insert body has a tapered profile and the other is of constant diameter such that the screw thread path decreases in cross-sectional area from the entrance to the exit thereto.