Biopsy apparatus and method
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United States of America Patent
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-
Feb 1, 2000
Grant Date -
N/A
app pub date -
Sep 18, 1998
filing date -
Sep 19, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method for the biopsy of tissue specimens and, more particularly, a single insertion multiple sample percutaneous biopsy apparatus and method are provided. A tip at a distal end of a support tube is introduced into a tissue mass. The support tube has a lateral opening adjacent the tip. A knife tube is disposed within the support tube and is retracted allowing the lateral opening to communicate with the tissue mass. Suction through a suction tube draws tissue into the lateral opening where it is severed placing the tissue in a pusher. Pusher is attached to vacuum tube which is retracted proximally through the knife tube. A tissue sample is drawn through the knife tube to a location where it can be removed from the pusher.
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