Inhalation device

Details Inhalation device Inhalation device

2005-05-17

2005-05-17

Dawson, Glenn K. (Department: 3731)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203230, C128S200220

Reexamination Certificate

active

06892728

ABSTRACT:
The present invention relates to an inhalation device for use with an inhaler (5) comprising a dispersion chamber (18) for fluid communication with the inhaler (5) and a suction chamber (19) in fluid communication with the dispersion chamber (18). The suction chamber (19) is constructed to enable the internal volume of the suction chamber (19) to be increased during use thereby producing a negative pressure in the dispersion chamber (18). In this way, the substance to be inhaled can be drawn from the inhaler into the dispersion chamber (18) for subsequent inhalation.

REFERENCES:
patent: 6098618 (2000-08-01), Jennings et al.
patent: 6286506 (2001-09-01), MacAndrew et al.
patent: 6418924 (2002-07-01), Poley et al.
patent: 6557550 (2003-05-01), Clarke
patent: WO 9711732 (1997-04-01), None
patent: WO 9841256 (1998-09-01), None
patent: WO 9841263 (1998-09-01), None

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