Catheters, catheter systems, and methods for puncturing through a tissue structure

SR Mickelsen - US Patent 9,861,802, 2018 - Google Patents
A percutaneous catheter system for use within the human body and an ablation catheter for
ablating a selected tissue region within the body of a subject. The percutaneous catheter …

Methods and apparatus for selective tissue ablation

SR Mickelsen - US Patent 11,259,869, 2022 - Google Patents
Catheter systems and methods for the selective and rapid application of DC voltage to drive
irreversible electropora tion are disclosed herein. In some embodiments, an appa ratus …

Method and apparatus for rapid and safe pulmonary vein cardiac ablation

G Long, R Viswanathan - US Patent 9,999,465, 2018 - Google Patents
An apparatus includes a shaft, the shaft including a plurality of stepped sections along the
length of the shaft. The apparatus further includes a plurality of electrodes disposed along …

Systems, devices, and methods for delivery of pulsed electric field ablative energy to esophageal tissue

R Viswanathan, G Long, JL Pageard - US Patent 10,617,867, 2020 - Google Patents
Systems, devices, and methods for electroporation ablation therapy are disclosed in the
context of esophageal ablation. An ablation device may include a first catheter defining a …

Systems, devices, and methods for focal ablation

R Viswanathan, A Zingeler, G Long… - US Patent …, 2020 - Google Patents
Systems, devices, and methods for electroporation ablation therapy are disclosed, with the
device including a set of splines coupled to a catheter for medical ablation therapy. Each …

Systems, devices, and methods for focal ablation

R Viswanathan, A Zingeler, G Long… - US Patent …, 2018 - Google Patents
Abstract Systems, devices, and methods for electroporation ablation therapy are disclosed,
with the device including a set of splines coupled to a catheter for medical ablation therapy …

Systems devices, and methods for delivery of pulsed electric field ablative energy to endocardial tissue

R Viswanathan, G Long, JL Pageard - US Patent 10,172,673, 2019 - Google Patents
Systems, devices, and methods for electroporation ablation therapy are disclosed, with the
system including a pulse waveform signal generator for medical ablation therapy, and an …

Systems, devices, and methods for focal ablation

R Viswanathan, A Zingeler, G Long… - US Patent …, 2020 - Google Patents
Abstract Systems, devices, and methods for electroporation ablation therapy are disclosed,
with the device including a set of splines coupled to a catheter for medical ablation therapy …

Systems, apparatuses and methods for delivery of ablative energy to tissue

R Viswanathan, G Long - US Patent 10,322,286, 2019 - Google Patents
A system includes a pulse waveform generator and an ablation device coupled to the pulse
waveform generator. The ablation device includes at least one electrode configured for …

Method and apparatus for rapid and selective transurethral tissue ablation

SR Mickelsen - US Patent 10,433,906, 2019 - Google Patents
Catheter systems, tools and methods are disclosed for the selective and rapid application of
DC voltage pulses to drive irreversible electroporation for minimally invasive transurethral …