Vacuum assisted biopsy device
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United States of America Patent
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Apr 30, 2013
Grant Date -
Mar 29, 2012
app pub date -
Sep 23, 2011
filing date -
Oct 14, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A biopsy device having a stylet, an outer cannula, and a vacuum chamber is disclosed. The stylet includes a lumen with an open proximal end and a tissue receiving opening near a distal end thereof. The outer cannula is slidably disposed over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. Actuation of the outer cannula causes a vacuum to be delivered to the tissue receiving opening through the lumen of the stylet before the outer cannula advances distally.
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