Patent ID: 8696611
Filing Date: 2014-04-15
Classification: A61F,A61M

Abstract:
1. A shunt for regulating blood pressure between a patient's left atrium and right atrium, the shunt comprising: a diabolo-shaped stent comprising intersecting first and second conical sections that intersect at a plane to define a neck, the stent having a length substantially greater than a thickness of the atrial septum and comprising a plurality of sinusoidal rings interconnected by longitudinally extending struts, the neck being adaptable to engage the atrial septum, the first and second conical sections being adaptable to protrude respectively into the left and right atria and to flank the atrial septum substantially without contacting the atrial septum, the stent being configured to transition between a collapsed state suitable for percutaneous delivery and an expanded state when deployed across a patient's atrial septum; and a tissue valve disposed wholly within either the first or second conical sections, the tissue valve configured to shunt blood flow from the left atrium to the right atrium when subjected to a predetermined pressure differential.