| NOMENCLATURE |
COLLECTOR-FILTER UNIT, RADIOACTIVE GAS, EXPIRED AIR. A SELF CONTAINED
DEVICE DESIGNED TO FILTER AND COLLECT OR TRAP RADIOACTIVE GASES, SUCH
AS XENON-133, FROM EXPIRED AIR OF PATIENTS DURING PULMONARY FUNCTION
STUDIESINVOLVING THE USE OF RADIOACTIVE GASES. THE UNIT GENERALLY
CONTAINS CHARCOAL WITHIN IT, WHERE THE RADIOACTIVE GASES DECAY. THE
ITEM IS DESIGNED TO BE USED IN CONJUNCTION WITH A SPIROMETER OR OTHER
PULMONARY FUNCTION APPARATUS, SUCH AS A RADI OACTIVE GAS DELIVERY
APPARATUS.
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