US 12,220,157 B2
Pulmonary antrum radial-linear ablation devices
John W. Sliwa, San Jose, CA (US); and Stephen A. Morse, Menlo Park, CA (US)
Assigned to St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
Appl. No. 16/619,784
Filed by St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
PCT Filed Jun. 5, 2018, PCT No. PCT/US2018/036141
§ 371(c)(1), (2) Date Dec. 5, 2019,
PCT Pub. No. WO2018/226752, PCT Pub. Date Dec. 13, 2018.
Claims priority of provisional application 62/515,501, filed on Jun. 5, 2017.
Prior Publication US 2020/0129218 A1, Apr. 30, 2020
Int. Cl. A61B 18/14 (2006.01); A61B 18/00 (2006.01); A61N 7/02 (2006.01); A61B 17/32 (2006.01); A61B 18/02 (2006.01); A61B 18/08 (2006.01); A61B 18/12 (2006.01); A61B 18/24 (2006.01)
CPC A61B 18/00 (2013.01) [A61N 7/022 (2013.01); A61B 2017/320069 (2017.08); A61B 2018/00005 (2013.01); A61B 2018/00095 (2013.01); A61B 2018/0022 (2013.01); A61B 2018/00238 (2013.01); A61B 2018/00255 (2013.01); A61B 2018/00285 (2013.01); A61B 2018/00375 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00791 (2013.01); A61B 2018/0212 (2013.01); A61B 18/082 (2013.01); A61B 18/1206 (2013.01); A61B 2018/1472 (2013.01); A61B 18/1492 (2013.01); A61B 18/24 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A catheter comprising:
a catheter shaft having a proximal end portion, a distal end portion, and a distal tip portion, the catheter shaft defining a delivery lumen;
a balloon forming the distal tip portion of the catheter shaft, the balloon defining a volume in fluid communication with the delivery lumen, the balloon including a balloon surface, a proximal end portion, and a distal end portion;
a deformable spline configured to be rotated relative to a longitudinal axis of the catheter, the deformable spline extending over the balloon; and
an ablation element coupled to the deformable spline, a location of the ablation element being dynamically adjustable along a length of the balloon surface from the proximal end portion of the balloon to the distal end portion of the balloon, wherein the ablation element is configured to form lesions in or near pulmonary vein antral tissue.