PUNCTURE NEEDLE
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United States of America Patent
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Issued Date -
Jun 11, 2015
app pub date -
Jun 13, 2013
filing date -
Jun 14, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The success rate of the insertion of a dull needle into a puncture hole is improved. A puncture needle is provided which is inserted into a puncture route that is formed to cover from a skin surface to a shunt vessel surface so as to expand an incision of a puncture hole formed in the shunt vessel surface. The puncture needle has an inclined end face that is inclined toward a front end of the needle, and a front end part of the inclined end face has an edge having no sharpness. Right and left side parts of the inclined end face which are contiguous with the front end part are respectively inclined outward, and side edges of the side parts are provided with cutting lines.
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