Devices and methods for delivering powdered agents
US12053169B2 · kind B2 · utility
0Cited by
103References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2020 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Jul 13, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for delivering an agent may comprise a source of agent; a mixing chamber for receiving fluid and the agent; an outlet in fluid communication with the mixing chamber to deliver the fluid and the agent; and an actuator configured to (1) deliver a first flow of the fluid substantially free from the agent through the outlet; (2) after delivering the first flow, deliver a second flow of the fluid and the agent through the outlet; and (3) after delivering the second flow, deliver a third flow of the fluid substantially free from the agent through the outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.