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Abstract

A novel ventilating system (10) for human patients including nebulizing means (15A) for nebulizing a liquid medication into a supply (28A, 29A) of humidified breathable gas under pressure. The nebulizing means (15A) comprises a nebulizing module having a cap portion (25) to which is attached a vial-like nebulizing chamber (54A). In order to maintain the hermetic integrity of the system (10) a two-position, flow control valve assembly (64) is operatively connected to and in selective flow communication with, a lower region of the vial-like, liquid-retention nebulizing chamber (54A). The valve assembly (64) is configured so that it can be manually actuated between a first position precluding access to chamber (54A) or a second position for drainage of liquid (59A) from within the nebulizer chamber (54A) or addition of liquid to such chamber while maintaining system sealing and pressure. A liquid handling means such as a syringe (68) is used to control withdrawal or addition of liquid.

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First Claim