Medical retrieval devices
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United States of America Patent
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app pub date -
Jan 23, 2009
filing date -
May 25, 2004
priority date (Note) -
Abandoned
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Abstract
A medical retrieval device includes a retrieval assembly comprising a plurality of filaments knotted together at a distal end of the retrieval assembly. The knotted distal end provides the device with an atraumatic distal tip. Various knotting arrangements can be used at the knotted distal end. The retrieval assembly can be collapsed when restrained and expanded when unrestrained.
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