CPC A61B 18/1492 (2013.01) [A61B 17/320016 (2013.01); A61B 18/1445 (2013.01); A61B 18/24 (2013.01); A61B 17/3207 (2013.01); A61B 2017/00292 (2013.01); A61B 2017/22021 (2013.01); A61B 2017/22039 (2013.01); A61B 2017/22068 (2013.01); A61B 2017/320028 (2013.01); A61B 2017/320078 (2017.08); A61B 2018/00345 (2013.01); A61B 2018/00351 (2013.01); A61B 2018/00404 (2013.01); A61B 2018/00601 (2013.01); A61B 2018/144 (2013.01); A61B 2018/1412 (2013.01); A61B 2018/1452 (2013.01)] | 17 Claims |
1. A septotomy catheter, comprising:
a base section comprising a central lumen therethrough
two flexible arms extending from a distal end of the base section wherein at least a portion of said two arms distally taper in cross-section, each arm having a channel therethrough for a passage of a guide wire; and
a cutting component configured to span the two arms, wherein the cutting component is a flat electrode plate or blade energized by radio-frequency (RF) current, entirely insulated except for a most distal portion thereof which is uninsulated, the uninsulated portion resembling a wire or rod spanning the two arms, residing generally perpendicularly to the longitudinal axis of the catheter; and wherein:
the two arms each comprise a slot therein, each slot housing a respective end of the cutting component.
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