Underwater drainage apparatus with separable suction control chamber
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United States of America Patent
Stats
-
Oct 27, 1981
Grant Date -
N/A
app pub date -
Jun 27, 1979
filing date -
Jun 27, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An underwater drainage apparatus is provided which is convertible from a two bottle system including a collection chamber and underwater seal chamber to a three bottle system including a suction control chamber. A rubber diaphragm is provided in the container for the collection chamber and underwater seal and a needle having a large bore is provided in the suction control chamber. Trackways on the suction control chamber and collection chamber interfit so that the suction control chamber can be slid into position wherein the needle penetrates the diaphragm to place the suction control chamber in fluid communication with the underwater seal chamber and collection chamber.
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