Dry powder inhaler dose counters
US10953166B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2018 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Apr 4, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Dry powder inhaler dose counters capable of making a display move swiftly between digits. In contrast to the progressive movement that occurs in simple gearing mechanisms, there is provided a dry powder inhalation device comprising a housing defining a chamber, a patient port in communication with said chamber, an elongate carrier carrying medicament, an advancement mechanism for advancing a length of the elongate carrier into the chamber, a displacement sensor that advances in association with continuous advancement of the elongate carrier, and a transfer component that converts the advancement of the displacement sensor into intermittent motion of a units dose display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.