Disposable lavage
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United States of America Patent
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-
Apr 26, 1994
Issued Date -
N/A
app pub date -
Sep 21, 1992
filing date -
Nov 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical device has a first cannula formed to define a first interior channel and a second cannula positioned substantially within the first interior channel of the first cannula. The second cannula is formed to define a second interior channel. Both the first cannula and the second cannula are attached to a conduit piece that defines a first passageway in fluid communication with the first interior channel of the first cannula and a second passageway in fluid communication with the second interior channel of the second cannula. A third passageway defined by the conduit piece is in fluid communication with the first interior channel of the first cannula. The second passageway is covered by a breachable seal that permits insertion of instruments therethrough while limiting undesired fluid flow.
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