Biopsy and aspiration unit with a replaceable cannula
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United States of America Patent
Stats
-
Apr 30, 1985
Issued Date -
N/A
app pub date -
Jun 19, 1984
filing date -
Mar 3, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bone marrow biopsy and aspiration needle unit is disclosed. The unit includes a holding device, with a longitudinal bore therethrough, comprising a collect chuck and handle grips, a replaceable cannula to be interlockably mounted in the holding device, with the cannula's lumen in alignment with the longitudinal bore, and an elongated stylet releaseably mounted in the aligned bores. When the needle unit is also to be used for aspiration, a second cannula of a diameter less than the first cannula is inserted through the aligned bores in the holding device and the first cannula.
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