Biopsy device having a vacuum pump
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United States of America Patent
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-
Nov 8, 2011
Grant Date -
Apr 29, 2010
app pub date -
Dec 30, 2009
filing date -
Mar 19, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A biopsy device includes a housing. A drive is enclosed in the housing. A biopsy needle assembly has a biopsy needle carrier that carries a biopsy needle. The biopsy needle carrier is positioned in the housing. A vacuum pump is positioned in the housing. The vacuum pump has an elongate cylinder and a piston sealed and movable inside the elongate cylinder. The piston is drivably coupled to the drive. The elongate cylinder is connected to the biopsy needle to generate a vacuum in the biopsy needle when the piston is driven by the drive. The elongate cylinder and the biopsy needle are arranged in parallel by the housing.
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