Patent ID: 8204605

Claim:
An apparatus, comprising: a first wireless electrostimulation electrode assembly comprising: an electrostimulation circuit; a wireless receiver configured to receive wireless energy and configured to provide at least some of the received wireless energy to the electrostimulation circuit; a first expandable support mechanically coupled to the electrostimulation circuit and the wireless receiver and configured to support the first wireless electrostimulation electrode assembly at least partially using a ring formed by an annulus of a mitral valve of the heart; and wherein the electrostimulation circuit is configured to deliver at least some of the received wireless energy as an electrostimulation to the heart; wherein the first wireless electrostimulation electrode assembly is configured to be intravascularly delivered to an implant location within a chamber of the heart at the annulus of the mitral valve of the heart; and wherein the first wireless electrostimulation electrode assembly is configured to fit entirely within the heart.