Tidal dry powder inhaler with miniature pressure sensor activation
US10744283B2 · kind B2 · utility
0Cited by
52References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2015 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Jul 26, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/50
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tidal dry powder inhaler comprising: a miniature pressure sensor, a sensor port of said sensor being pneumatically coupled to a flow channel through which a user can inhale; a processor configured to process data received from a sensing element of the sensor to make a determination that inhalation of a spontaneous breath through said flow channel is in progress; a controller configured to, responsive to said determination, issue a start dosing signal; and a dosing mechanism configured to release dry powder medicament into the flow channel during inhalation of said spontaneous breath in response to receiving said signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.