Aspiration needle apparatus incorporating its own vacuum and method and adapter for use therewith
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United States of America Patent
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Aug 5, 1997
Issued Date -
N/A
app pub date -
Jul 20, 1995
filing date -
Apr 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aspiration needle apparatus for collecting cell samples from tissue by the use of a vacuum container having an enclosed evacuated space sealed by a penetrable diaphragm. An adapter has a recess to receive the vacuum container. A needle is carried by the adapter and serves as an aspiration needle to collect a cell sample and penetrates the diaphragm to couple the evacuated space to the flow passage of the needle means.
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