Surgical graft/stent system
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United States of America Patent
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Jan 1, 2002
Grant Date -
N/A
app pub date -
Mar 6, 1998
filing date -
Sep 8, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A tubular graft/stent includes a tubular sheath (10) having at intervals along its length a plurality of ring-like rigid members (11), which are attached to the sheath around their respective circumferences and are made of a shape memory material, so that when the members (11) change shape the sheath (10) adopts a new cross section in conformity with them along its whole length. The members may be discontinuous to allow the adoption of a contracted shape in the martensitic phase and an expanded shape in the austenitic phase. A graft may also have a side tube (14) which can be inverted so as to be housed within the sheath.
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