Mammograph provided with an improved needle carrier
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United States of America Patent
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Jun 15, 1993
Grant Date -
N/A
app pub date -
Oct 23, 1991
filing date -
Oct 24, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
To enable a biopsy needle to be inserted into a breast under examination on a mammograph, a crank handle-shaped structure is provided which is vertically supported by a shaft and which carries a needle carrier on its handle portion, the vertical axis of rotation passing through a tumor whose position within the breast has been calculated. It is shown that the insertion distance of the needle can be predetermined and that under these conditions a variety of ways of reaching the tumor are made available by rotating the crank-handle shape about its axis. The insertion direction can be selected as a function of criteria applicable to the subsequent surgery and not solely as a function of the structure of the mammograph itself.
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