Bioresorbable vascular implant having homogenously distributed stresses under a radial load
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United States of America Patent
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Feb 14, 2017
Grant Date -
May 12, 2011
app pub date -
Oct 6, 2010
filing date -
Oct 6, 2009
priority date (Note) -
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Abstract
A bioresorbable vascular implant for implantation in a bodily lumen has a tubular framework and includes one or more annular support members. Each of the one or more annular support members includes a plurality of struts interconnected by a hinge region. Each of the plurality of struts also includes a mid-section. The vascular implant also includes at least one viscoelastic material that enables transition of the vascular implant between a collapsed configuration and an expanded configuration. Each of the plurality of struts and the hinge region defines a cross-section. The moment of inertia increases from the mid-section towards the hinge region to accommodate the transition and resist a radial load applied to the vascular implant in the expanded configuration.
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