Surgical implants and delivery systems therefor
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United States of America Patent
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May 29, 2007
Grant Date -
Jul 25, 2002
app pub date -
Jan 28, 2002
filing date -
Jul 16, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A stent for occluding the human ductus arteriosus comprises a length of wire of shape memory effect or superelastic material which is expandable from a relatively straightened state for introduction into the patient to an occluding state wherein the wire defines an occluding anchor part and a spiral anchor part and a straight linking part connecting the two wherein the wire has a series of turns extending over the cross-sectional area of the occluding anchor part.
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