Chest cavity evacuation apparatus with resettable air volume meter
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United States of America Patent
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Sep 20, 1988
Grant Date -
N/A
app pub date -
Aug 20, 1987
filing date -
Aug 20, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A chest cavity evacuation apparatus is provided with an air meter which is capable of directly measuring the volume of removed air. Small volumes of evacuated air are collected and measured, and the volume meter is resettable by tilting of the apparatus.
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