Patent ID: 7309354

Claim:
A mitral valve regurgitation treatment device comprising: an elongated body dimensioned to be placed in a coronary sinus of a heart adjacent a mitral valve annulus; and an anchor adjustable from a first configuration that permits placement of the device in the coronary sinus to a second configuration that anchors the device within the coronary sinus, the anchor comprising: an elongated fixation member having a first end coupled to the device body and a second end opposite the first end, wherein the fixation member extends along the device body closely spaced to the device body when the anchor is in the first configuration and wherein the fixation member is pivoted from the device body when the anchor is in the second configuration to engage the coronary sinus and anchor the device in the coronary sinus; and a support member having a first end hingedly coupled to the fixation member second end, the support member rendering the fixation member substantially rigid when the anchor is in the second configuration.