Surgery – Respiratory method or device
Reexamination Certificate
2007-08-23
2008-09-02
Douglas, Steven O (Department: 3771)
Surgery
Respiratory method or device
C128S200140, C128S203280
Reexamination Certificate
active
07418962
ABSTRACT:
The inhaler for aerosol medication is an inhaler having a recirculation chamber or rebreather. The inhaler has an aerosol holding chamber having an inlet end for attaching a holder for aerosol medication or nebulizer device thereto and an outlet end for attachment to a mouthpiece or mask for dispensing the medication or substance to the user, with a recirculation chamber depending from the outlet end of the holding chamber or from a mask extending from the outlet end of the chamber. The recirculation chamber has a filter to capture particles of the dispensed substance and prevent their escape from the device to the ambient air. The recirculation chamber may be folded or collapsed for storage within the volume of the aerosol holding chamber. The aerosol holding chamber may be stored within the recirculation chamber.
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Douglas Steven O
Litman Richard C.
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