METHODS AND APPARATUS FOR ENDOVASCULARLY REPLACING A HEART VALVE
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Abstract
The invention includes methods of and apparatus for endovascularly replacing a heart valve of a patient. One aspect of the invention provides a method including the steps of endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; and applying an external non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to change the shape of the anchor, such as by applying proximally and/or distally directed force on the anchor using a releasable deployment tool to expand and contract the anchor or parts of the anchor. Another aspect of the invention provides an apparatus including a replacement valve; an anchor; and a deployment tool comprising a plurality of anchor actuation elements adapted to apply a non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to reshape the anchor.
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Citations
21 Claims
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1. (canceled)
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2. A system, comprising:
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an outer delivery sheath; a replacement heart valve comprising an expandable anchor member configured to be implantable within a patient; and a deployment tool extending through the outer delivery sheath to the replacement heart valve, the deployment tool comprising an attachment mechanism configured to engage the expandable anchor member and a release actuator configured to releasably secure the expandable anchor member to the attachment mechanism; wherein the release actuator is positioned generally parallel to the attachment mechanism and translation of the release actuator relative to the attachment mechanism permits the expandable anchor member to disengage from the attachment mechanism. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system, comprising:
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an outer delivery sheath; a replacement heart valve comprising an expandable anchor member configured to be implantable within a patient; and a deployment tool extending through the outer delivery sheath to the replacement heart valve, the deployment tool comprising an attachment mechanism configured to engage the expandable anchor member and a release actuator configured to releasably secure the expandable anchor member to the attachment mechanism; wherein the release actuator is positioned generally parallel to the attachment mechanism and translation of the release actuator relative to the expandable anchor member permits the expandable anchor member to disengage from the attachment mechanism. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification