Expandable medical device with tapered hinge
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United States of America Patent
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Nov 15, 2005
Grant Date -
Aug 8, 2002
app pub date -
Jan 25, 2002
filing date -
Feb 5, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
According to the present invention there is provided an expandable medical device having, a plurality of elongated beams, the plurality of elongated beams joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter. A plurality of hinges connecting the elongated beams have a hinge width, wherein the hinge width is smaller than the beam width. A pawl is disposed adjacent to and substantially parallel to the hinge prior to expansion of the medical device and a plurality of teeth are adapted to receive the pawl. The present invention additionally provides the benefit of limiting the amount of recoil of an expandable device by engaging a locking mechanism, thereby retaining the expanded diameter of the device.
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