Electrical Conduction Block Implant Device
First Claim
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1. A pulmonary vein implant comprising:
- an implant framework;
said implant framework being expandable from a delivery state to an expanded state;
said expanded state being a state wherein said framework substantially conforms to an internal surface of said pulmonary vein; and
,said implant framework being sized and shaped to have a residual expansion force in said expanded state such that said framework migrates into said internal surface of said pulmonary vein over a period of time.
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Abstract
The present invention provides an electrical block implant sized and shaped for securement at the perimeter of the pulmonary ostium of the left atrium. By utilizing various expandable ring designs and optional anchoring mechanisms, the present invention causes even, circular scarring around the perimeter of the pulmonary ostium, achieving reliable blocking of aberrant electrical signals responsible for atrial fibrillation.
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Citations
27 Claims
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1. A pulmonary vein implant comprising:
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an implant framework; said implant framework being expandable from a delivery state to an expanded state;
said expanded state being a state wherein said framework substantially conforms to an internal surface of said pulmonary vein; and
,said implant framework being sized and shaped to have a residual expansion force in said expanded state such that said framework migrates into said internal surface of said pulmonary vein over a period of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A pulmonary vein implant comprising:
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an implant framework; said framework including a spatial anchoring section and a conduction block inducing section; and
,said spatial anchoring section and said conduction block inducing section being substantially separate and distinct from each other along an axial length of said framework. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A pulmonary vein implant comprising:
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an elongated strip movable between a relaxed shape substantially conformable with an ostial region in said pulmonary vein and a stressed shape that is substantially linear; and
,said elongated strip having a plurality of retention sections disposed along said elongated strip. - View Dependent Claims (26, 27)
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Specification