Biopsy needle and photoacoustic measurement apparatus
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United States of America Patent
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Jul 28, 2020
Grant Date -
Jan 18, 2018
app pub date -
Sep 21, 2017
filing date -
Mar 31, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
In a biopsy needle having a hollow tubular outer needle, an inner needle that is disposed in a hollow portion of the outer needle so as to be movable in the tube axis direction relative to the outer needle, and a recessed sample collection portion that is cut inward from a circumferential surface of the inner needle, an outer groove extending in the tube axis direction of the outer needle is provided on at least the distal end side and the rear end side of the sample collection portion in the inner needle, and a light guide member is disposed in the outer groove. At least a part of the light guide member is fixed by fillers filled in the outer groove.
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