Dry powder dose filling systems and related methods
US6985798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2003 |
| Grant date | Jan 10, 2006 |
| Priority date | — |
| Expiry date | Dec 3, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods for flowably dispensing dry powders from a hopper having a dispensing port and a dry powder flow path can include: (a) generating a first non-linear vibration input signal, the first non-linear input signal comprising a plurality of different selected frequencies that correspond to a first dry powder formulation; (b) applying the first non-linear vibration input signal to a dispensing hopper having at least one dispensing port while the first dry powder formulation is flowing therethrough; and (c) dispensing a first meted quantity of the first dry powder through the dispensing port to a receiving member. Related devices and computer program products for dispensing dry powders are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.