Medical device for reduction of pressure effects of cardiac tricuspid valve regurgitation
First Claim
Patent Images
1. An elongate valve stent comprising:
- a stent member, said stent member comprising a support structure and a tissue valve, wherein said tissue valve is configured to permit fluid flow in one direction and prevent fluid flow in an opposite direction; and
means for anchoring said stent member onto surrounding tissue of a blood vessel.
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Abstract
An elongate valve stent and methods for protecting an upper or a lower body of a patient from high venous pressures comprising a stent member, the stent member comprising a support structure and a tissue valve, wherein the tissue valve is configured to permit fluid flow in one direction and prevent fluid flow in an opposite direction, and means for anchoring the stent member onto surrounding tissue of the superior vena cava or inferior vena cava.
664 Citations
35 Claims
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1. An elongate valve stent comprising:
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a stent member, said stent member comprising a support structure and a tissue valve, wherein said tissue valve is configured to permit fluid flow in one direction and prevent fluid flow in an opposite direction; and
means for anchoring said stent member onto surrounding tissue of a blood vessel. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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2. An elongate valve stent comprising:
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a stent member, said stent member comprising a support structure and a tissue valve, wherein said tissue valve is configured to permit fluid flow in one direction and prevent fluid flow in an opposite direction; and
means for filtering the fluid of a blood vessel, wherein the blood vessel is a superior vena cava or an inferior vena cava. - View Dependent Claims (19)
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20. A method of protecting an upper or a lower body of a patient from high venous pressures comprising:
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providing an elongate valve stent, wherein said stent comprises a stent member with a tissue valve secured to a support structure, wherein the support structure is collapsibly expandable, and anchoring means for anchoring said stent member onto surrounding tissue of a vena cava;
passing the elongate valve stent through a blood vessel with the support structure in a collapsed position;
deploying the stent to an inferior vena cava or a superior vena cava with the support structure in an expanded shape; and
securing the stent by anchoring said stent member onto the surrounding tissue of either the superior vena cava or the inferior vena cava with said anchoring means. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification