Surgical drainage apparatus with suction control and indication
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United States of America Patent
Stats
-
Aug 2, 1983
Grant Date -
N/A
app pub date -
May 7, 1981
filing date -
May 7, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical drainage unit is provided for draining fluids from the body of a patient wherein the suction pressure, applied through a suction inlet of the unit to draw fluids into the unit, is controlled and a direct indication of the applied suction pressure is afforded. A device which contracts responsive to an increase in suction in a collection chamber of the unit is equipped with an indicator vane that cooperates with a fixed scale to indicate the amount of movement of the bellows and hence indicate the suction within the collection chamber. A manually adjustable control valve controls the amount of air admitted to the suction line within the unit to thereby control the applied suction.
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