US 11,701,170 B2
Septotomy catheter for aortic dissection
Ramon Berguer, West Bloomfield, MI (US); Juan Parodi, Miami, FL (US); Gene Parunak, Saline, MI (US); and Adrienne R. Harris, Clinton, MI (US)
Assigned to CUTCATH LLC, West Bloomfield, MI (US)
Filed by CUTCATH LLC, West Bloomfield, MI (US)
Filed on Apr. 3, 2020, as Appl. No. 16/839,743.
Application 16/839,743 is a continuation in part of application No. 15/602,516, filed on May 23, 2017, granted, now 10,610,295.
Application 15/602,516 is a continuation of application No. 15/131,504, filed on Apr. 18, 2016, granted, now 9,681,915, issued on Jun. 20, 2017.
Application 15/131,504 is a continuation in part of application No. 14/591,642, filed on Jan. 7, 2015, abandoned.
Claims priority of provisional application 62/300,252, filed on Feb. 26, 2016.
Prior Publication US 2020/0297416 A1, Sep. 24, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 18/14 (2006.01); A61B 17/32 (2006.01); A61B 18/24 (2006.01); A61B 17/00 (2006.01); A61B 18/00 (2006.01); A61B 17/3207 (2006.01); A61B 17/22 (2006.01)
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
OG exemplary drawing
 
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.