US4690332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single inlet prepackaged inhaler
Assignee: VORTRAN CORP
•
Filing: 1984-09-18
•
Granted: 1987-09-01
•
Expires: 2004-09-18
Abstract
Abstract An apparatus (22) for applying medication as an aerosol includes a fluid supply channel (96) for supplying fluid from a container (24) of a mixture of propellant and medication wherein the fluid supply channel is adapted to accept a nozzle (26) coupled to the container for receiving the mixture and wherein the fluid supply channel has a first cross-sectional area. A first chamber (30) at a first downstream portion from the fluid supply channel has a second cross-sectional area (34) for expanding the fluid and for forming a first flow condition. A chamber (36) is supplied downstream from the fluid supply channel for changing the first flow condition.
Inventors
- 👤 Nathaniel Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:27
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/009; A61M11/00; A61M11/005; A61M15/0001; A61M15/0013; A61M15/0015; A61M15/0021; A61M15/0025; A61M15/0026; A61M15/0086; A61M15/0088; A61M16/00; A61M16/10; A61M16/12; A61M16/122; A61M16/125; B; B05; B05B; B05B1/00; B05B1/34; B05B7/00; B05B7/0012; B05B7/02; B05B7/06; B05B7/062; B05B7/066; B05B7/10; B05B7/16; B05B7/168; G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/32; A61M11/06; A61M16/1005; A61M16/101; A61M2202/00; A61M2202/06; A61M2202/064; A61M2206/00; A61M2206/10; A61M2206/16; A61M2209/00; A61M2209/08; A61M2209/084; Y; Y10; Y10S; Y10S261/00; Y10S261/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
An inhaler for administering a medicine containing aerosol, comprising an inlet having a first axis for accepting a discharge tube of a container containing a propellant and a medicant; a transducer body having a second central axis along a length of the body and coupled to the inlet wherein the second central axis is normal to a plane containing the first axis and wherein the transducer body comprises an outlet; a central cylindrical bar coaxial with the second central axis, extending substantially the length of the body and having a free end with a groove formed longitudinally in an outer surface of the bar; a lens mounted on the free end of the bar to form a substantially airtight fit between the lens and the outer surface of the bar and at least partly within the body; a first expansion chamber defined by first chamber walls adjacent the body downstream from and adjacent the outlet; a second expansion chamber defined by second chamber walls downstream from and adjacent the first expansion chamber; and a screen mounted to an end of the second expansion chamber.
Claim 2
Dependent Claim
184 words
An inhaler for administering a medicine containing aerosol, comprising an inlet having a first axis for accepting a discharge tube of a container containing a propellant and a medicant; a transducer body having a second central axis along a length of the body and coupled to the inlet wherein the second central axis is normal to a plane containing the first axis and wherein the transducer body comprises an outlet; a central cylindrical bar coaxial with the second central axis, extending substantially the length of the body and having a free end with a groove formed longitudinally in an outer surface of the bar; a lens mounted on the free end of the bar to form a substantially airtight fit between the lens and the outer surface of the bar and at least partly within the body; a first expansion chamber defined by first chamber walls adjacent the body downstream from and adjacent the outlet; a second expansion chamber defined by second chamber walls downstream from and adjacent the first expansion chamber; and a screen mounted to an end of the second expansion chamber.
References Cited (Backward Citations)
US3230924A
Cited
US3652015A
Cited
US4116387A
Cited
US4228795A
Cited
US4301970A
Cited
US4241877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |