CPC A61B 18/1492 (2013.01) [A61B 17/320016 (2013.01); A61B 17/320725 (2013.01); A61B 18/16 (2013.01); A61M 1/3655 (2013.01); A61B 2017/00778 (2013.01); A61B 2017/00876 (2013.01); A61B 2017/22095 (2013.01); A61B 2017/320791 (2013.01); A61B 2018/00083 (2013.01); A61B 2018/00107 (2013.01); A61B 2018/00172 (2013.01); A61B 2018/00404 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00625 (2013.01); A61B 2018/1253 (2013.01); A61B 2018/144 (2013.01); A61B 2090/3925 (2016.02); A61B 2090/3966 (2016.02)] | 17 Claims |
1. A system for forming a fistula between two blood vessels comprising:
a first catheter comprising a catheter body and an electrode comprising a first end, a second end, and a patterned ablation surface including a plurality of channels crossing one another defining a plurality of projections raised between the plurality of channels positioned between the first end and the second end,
a second catheter, wherein the second catheter comprises a recessed region,
wherein the electrode is movable from a low-profile configuration to an extended position wherein the patterned ablation surface of the electrode extends away from the catheter body.
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