Methods of determining catheter orientation

D Panescu, JV Koblish, C Donghoon… - US Patent …, 2018 - Google Patents
Abstract Systems, devices and methods of determining orientation of a distal end of a
medical instrument (eg, electrode-tissue orientation of an RF ablation catheter) are …

Real-time morphology analysis for lesion assessment

B Stewart, A Magen, NH Bennett, M Weisman… - US Patent …, 2017 - Google Patents
Electrodes are used to measure an electrical signal (eg, an electrogram). One or more filters
are applied to the electrical signal to generate one or more filtered signals. Features of the …

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 …

Tissue diagnosis and treatment using mini-electrodes

L Fay, P Hultz - US Patent 10,524,684, 2020 - Google Patents
Medical devices and methods for making and using medical devices are disclosed. An
example electrophysiology medi cal device may include a catheter shaft including a distal …

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 …