Repositionable heart valve and method

摘要

A method for percutaneously replacing a heart valve of a patient. In some embodiments the method includes the steps of percutaneously delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; expanding the anchor to a deployed configuration in which the anchor contacts tissue at a first anchor site; repositioning the anchor to a second anchor site; and deploying the anchor at the second anchor site.

主权项

1. A method of replacing a heart valve, comprising:
delivering a replacement valve and an expandable anchor within a delivery device to a vicinity of a heart valve, wherein the expandable anchor has a delivery configuration within the delivery device, a partially-deployed configuration when unconstrained by the delivery device, and a fully deployed configuration; wherein the expandable anchor comprises a metallic frame having a plurality of closed cells, a first end, and a plurality of eyeholes at the first end; wherein the expandable anchor further comprises a plurality of posts coupled to a second end of the metallic frame, the plurality of posts being configured to engage the plurality of eyeholes in the fully deployed configuration; expanding the expandable anchor from the delivery configuration to the partially-deployed configuration without use of a balloon; and repositioning the expandable anchor while the expandable anchor is in the partially-deployed configuration, wherein the repositioning step occurs without retrieving the expandable anchor into the delivery device.