Valve anchor and installation method

A system for securing a prosthetic valve at a native valve, comprising:

• an expandable/collapsible anchor device having a lower portion below an upper portion, the lower portion having an expandable tubular body about a vertical axis and comprising undulating struts, the tubular body defining at least two leaflet clamping portions each defined by at least one peak extending upward, wherein there are at least two downward valleys on the lower portion, one downward valley each on both sides of and adjacent the at least two leaflet clamping portions, the anchor device further including two and only two upstanding vertical posts each commencing at one of the at least two downward valleys and extending upward beyond a maximum height of the at least one peak of the leaflet clamping portion and terminating in the upper portion, wherein the lower portion further includes two or more integrally formed downwardly extending legs that extend downward below the valleys in buckles to facilitate manipulation and deployment of the anchor device.