US Patent 7484678 Nozzle for a nasal inhaler

There is provided 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 includes a body defining a fluid flow channel; an inlet port defining an inlet to the channel, the inlet port shaped for receipt of the discharge outlet to enable delivery of the pumped fluid medicament to the channel; and an outlet port defining an outlet from the channel, the outlet port shaped for insertion into the nasal cavity of a user to enable delivery of the pumped fluid medicament thereto. A screw thread path is provided to the channel between the inlet and the outlet to impart angular momentum to the pumped fluid medicament.