Flexible stent design

Flexible stent design

  • CN 102,368,978 A
  • Filed: 02/02/2010
  • Published: 03/07/2012
  • Est. Priority Date: 02/02/2009
  • Status: Active Application
First Claim
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1. tubulose flexible support, it has proximal part and distal portions and cylinder form, and has inner cavity surface and chamber outer surface and thickness between the two, and said cylinder form defines longitudinal axis, and said tubulose flexible support comprises:

  • The spiral type section;

    Said spiral type section has a plurality of machine-direction oriented stay members and the hinge member of a plurality of circumferential orientations;

    Said hinge member connects circumferentially adjacent stay member to form checkrow;

    Said checkrow is wrapped in around the said longitudinal axis to form a plurality of screw windings with the mode of spiral roughly;

    Each stay member all has the shape of essentially rectangular, and has relative machine-direction oriented long limit and relative circumferential orientation minor face, and each hinge member all is connected to said circumferentially adjacent stay member along the said minor face of said stay member;

    AndAt least one connecting portion member;

    Said connecting portion member extends between the vertical adjacent screw winding of said checkrow;

    Said connecting portion member is attached to the said minor face of vertical adjacent stay member, and said connecting portion member is not attached to vertical adjacent hinge member.

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