| CPC A61F 2/2445 (2013.01) [A61F 2/2448 (2013.01); A61F 2/2466 (2013.01); A61F 2/2454 (2013.01); A61F 2/2457 (2013.01); A61F 2250/001 (2013.01)] | 21 Claims | 

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               1. Apparatus for use at an atrium of a heart of a patient, the apparatus comprising: 
            an implant structure, comprising: 
                a body portion, configured to be secured within the atrium; 
                  a first adjusting mechanism, coupled to a first portion of the body portion, and comprising a first ring that surrounds the first portion and is moveable with respect to the body portion; and 
                  a second adjusting mechanism, coupled to a second portion of the body portion, and comprising a second ring that surrounds the second portion, and is moveable with respect to the body portion; 
                a first elongate tool, configured to remodel tissue of the heart by actuating the first adjusting mechanism; and 
                a second elongate tool, configured to remodel tissue of the heart by actuating the second adjusting mechanism. 
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