Expandable medical device with improved spatial distribution

  • US 20020068969A1
  • Filed: 09/07/2001
  • Published: 06/06/2002
  • Est. Priority Date: 10/16/2000
  • Status: Active Grant
First Claim
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1. An expandable medical device comprising:

  • a plurality of elongated struts, the plurality of elongated struts 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, wherein adjacent ones of the plurality of elongated struts are substantially parallel when the cylinder is at the first diameter and the adjacent elongated struts form V-shapes when the cylinder is at the second diameter; and

    a plurality of pivots joining the plurality of struts together in the substantially cylindrical device, wherein only one pivot interconnects each two adjacent elongated struts and the pivots are each located offset from a line bisecting the V-shapes formed by the elongated struts when the cylinder is at the second diameter.

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