HANDHELD BIOPSY DEVICE WITH NEEDLE FIRING
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United States of America Patent
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N/A
Issued Date -
Sep 18, 2014
app pub date -
May 28, 2014
filing date -
Nov 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A biopsy device includes a body, a needle, and a cutter. A motor is operable to both move the cutter relative to the needle and actuate a needle firing assembly to retract and fire the needle relative to the body. The biopsy device also includes a needle rotation assembly that is configured to substantially prevent rotation of the needle about the longitudinal axis when the needle is in a proximal position yet permit rotation of the needle about the longitudinal axis when the needle is in a distal position. A valve assembly of the biopsy device includes a slider that selectively couples a secondary lumen in the needle with either atmospheric air or saline based on the longitudinal position of the slider. The cutter passes through the slider.
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