CPC A61B 18/1492 (2013.01) [A61B 18/1206 (2013.01); A61B 2017/00867 (2013.01); A61B 2018/0022 (2013.01); A61B 2018/00029 (2013.01); A61B 2018/00267 (2013.01); A61B 2018/00357 (2013.01); A61B 2018/00577 (2013.01); A61B 2218/002 (2013.01)] | 14 Claims |
1. A catheter apparatus comprising: (a) an elongated deflectable element including a distal end; (b) an expandable basket assembly disposed at the distal end and comprising a plurality of splines and a plurality of electrodes disposed on the splines; (c) an irrigation channel disposed in the elongated deflectable element; (d) an inflatable balloon disposed in the expandable basket assembly and comprising a plurality of irrigation holes in fluid connection with the irrigation channel, each irrigation hole of the plurality of irrigation holes being angularly offset from each spline of the plurality of splines, at least ninety percent of the electrodes being disposed in a region of the expandable basket assembly, at least ninety percent of the irrigation holes of the inflatable balloon being disposed more proximally or more distally to the region.
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