Needle driver and pawl mechanism for circular needle applier
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United States of America Patent
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-
Nov 3, 2015
Issued Date -
N/A
app pub date -
Mar 15, 2013
filing date -
Dec 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical suturing device comprises a needle having a leading end, a trailing end, an arced body between the leading and trailing ends, and two steps located at antipodal positions on the body. A length of suture is connected to the needle. A needle driver reciprocates at least 180 degrees between a driven position and a returned position. The needle driver is adapted to engage the needle steps to rotate the needle in a circular path in first rotational direction. A pawl is positioned adjacent the driven position of the needle driver. The pawl is adapted to engage the needle steps to prevent the needle from rotating in a second rotational direction opposite of the first rotational direction.
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