Nasal spray device
US10188811B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 25, 2015 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Sep 25, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/52
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A nasal spray device for the delivery of a pharmaceutical formulation to the nasal cavity in metered doses. The device includes: a pressurised aerosol canister including a vial containing a pharmaceutical formulation including an active ingredient, a propellant and, optionally, a co-solvent, the aerosol canister further including a metering valve having a valve stem; and an actuator for the aerosol canister, the actuator including a stem block having a receptacle into which the valve stem of metering valve of the aerosol canister is received and axially located and being displaceable relative to the vial of the aerosol canister to actuate the metering valve of the aerosol canister, a sump extending below the receptacle, the stem block further defining a discharge orifice for the pharmaceutical formulation and a transfer channel through which a dispensed dose of the pharmaceutical formulation is able to pass from the sump to the discharge orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.