Medication inhaler

Details Medication inhaler Medication inhaler

2007-03-09

2010-11-16

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203120, C128S203150, C128S203230, C604S058000

Reexamination Certificate

active

07832399

ABSTRACT:
A medication inhaler having an inhaler body with a medication container chamber for receiving a medication container and at least one air passage connecting the medication container chamber with external air and a mouthpiece axially engageable with the inhaler body and having a mouthpiece chamber for communication with a patient's respiratory system and a hollow medication delivery needle communicating with the mouthpiece chamber. The medication delivery needle extends toward the medication container chamber and has at least one opening for passing exterior air and medication from an interior space of a medication container in the medication container chamber through the needle and to mouthpiece chamber. The mouthpiece engages with the inhaler body in a first position wherein the needle extends into the medication container chamber short of the medication container in the medication container chamber and in a second position wherein the needle axially traverses the medication container so that the at least one opening in the needle communicates with the at least one air passage and the interior space of the medication container in the medication container chamber.

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