Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Reexamination Certificate
2005-12-06
2005-12-06
Patel, Mital (Department: 3743)
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
C128S203120, C604S058000
Reexamination Certificate
active
06971383
ABSTRACT:
Dry powder inhalers (FIG.1) with integrated active energy patient assist dispersal systems are configured with control systems which provide adjustable energy output responsive to the user's inspiratory capabilities and/or the flowability of the dry powder being administered. The multi-dose dry drug package (FIG.2) a piezoelectric polymer substrate which flexes to deform and provide mechanical oscillation in a selected region of the package corresponding to the dry powder drug which is dispersed during inhalation by a user. Control system (FIG.12) employs fuzzy logic to relate in response to a user's inspiratory effort.
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Crowder Timothy M.
Hickey Anthony J.
Jenkins & Wilson & Taylor, P.A.
Patel Mital
University of North Carolina at Chapel Hill
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