Breath sampling device

Details Breath sampling device Breath sampling device

2006-06-13

2010-12-28

Rogers, David A. (Department: 2856)

Measuring and testing

Gas analysis

C073S023340, C073S864510, C073S864830, C073S864910

Reexamination Certificate

active

07856863

ABSTRACT:
A hollow container defining a sample chamber is formed of at least two parts which fit together and have apertures therein. One of the parts is displaceable relative to the other part between a first relative disposition of the parts in which the apertures are open so as to provide a clear path for air to pass through the container and a second relative disposition of the parts in which the apertures are closed so that there is no path for air to pass through and a volume of air is trapped in the chamber. In one embodiment part is axially moveable relative to the other part. In another embodiment where the parts are tubular, one of the parts is rotatable relative to the other.

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