Flow governors for use in medicinal inhalers
US11376378B2 · kind B2 · utility
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44References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 21, 2016 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Jul 18, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A flow governor for use in a medicinal inhaler. The flow governor can include (i) a tubular element that defines at least a portion of an air flow path, the tubular element comprising at least one flexible wall configured to flex inwardly in response to an air flow in the air flow path; and (ii) an internal support structure, located within the tubular element and configured to preserve at least a predetermined cross-sectional area of the air flow path within the tubular element when the at least one flexible wall of the tubular element flexes inwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.