The present invention relates to an external heart device,having a layered band dimensioned to be received around a patient'sheart, which also includes at least one fillable chamber betweenthe layers in the band that functions to apply localized pressure to theoutside of the heart when filled. More particularly, the fillablechambers are positioned such that they exert an inward radial force on aheart valve. Areas between the fillable chambers may also be sizedand positioned to form a bridge of little to no pressure over thevascular structures of the heart.
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