Dry powder dose filling systems and related methods
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United States of America Patent
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Jan 10, 2006
Grant Date -
Aug 5, 2004
app pub date -
Jun 26, 2003
filing date -
May 10, 2002
priority date (Note) -
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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.
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