Medtronic Ablation Frontiers LLC

Boston Scientific Scimed, Inc.

Other

Mark D. Wieczorek, P.c.

Assist Medical, LLC

Ablation Frontiers, Inc.

Aperiam Medical, Inc.

Christopher Gerard Kunis

Randell Louis Werneth

J Christopher Flaherty

Ricardo David Roman

Alexander J Asconeguy

Hakan Oral

Marshall L Sherman

Fred Morady

Thomas M Castellano

Jeffrey Trinidad

Martin Chambers

Gary Currie

Jerald L Cox

Guillermo W Moratorio

Sadaf Soleymani

Samuel Fu

Kenneth W Mapes

Oral Hakan

Systems, devices, and methods are provided for transseptal access of septa within a patient. The device can be advanced to a septum, e.g., towards a fossa ovalis. Instead of applying positive pressure to 'tent' the septum, a negative pressure is applied to a lumen within a sheath, e.g., within an elongated member slidable within the sheath, via a negative pressure source such as a syringe on the proximal end of the sheath. This results in the septum pulling inward. The sheath employs a stationary needle-like central core component contained within the lumen of the sheath that punctures the septum when the same is pulled passed it by the negative pressure. The stationary needle-like central core component may be hollow and may form a portion of the elongated member or may be coupled to a distal end thereof.

Transseptal access device and method of use

Devices and methods are described that can be used to treat various maladies, such as pulmonary vein stenosis hypertension and/or atrial fibrillation. The device may be an implant device having at least one ring and a stabilizer element. In some embodiments, the device can include two or more rings separated by one or more stabilizer element. The ring(s) and at least one stabilizer element provide mechanical pressure against adjacent tissue, e.g., the tissue of a vessel, and the pressure works to inhibit the propagation of the ring to lose position against the wall of said vessel. Methods of implanting the device and methods of treating patients therewith are also provided. Additionally, a delivery apparatus and method may also be provided to deliver such an implant device to a target location within a body, e.g., a vein are artery of a human body.

Implant device with stablizer

Devices, systems and methods are disclosed for the ablation of tissue. A steerable ablation catheter can include one or more ablation elements at its distal end and one or more ablation elements fixedly attached to its shaft. The distal end of the ablation catheter can be deflected to assume a number of different deflection geometries in at least one direction along the shaft. One feature of the ablation catheter is that its shaft can comprise materials of differing durometers or stiffnesses attached together at a joint. Methods associated with use of the ablation catheter are also covered.

RF energy delivery system and method

Devices, systems and methods are disclosed for the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly. The carrier assembly can be constrained within the lumen of a catheter, and deployed to take on an expanded condition. The carrier assembly includes multiple electrodes that are configured to ablate tissue at low power. Additional embodiments include a system that includes an interface unit for delivering one or more forms of energy to the ablation catheter.

Low power tissue ablation system

Systems and methods for treating hypertension and other maladies are implemented using an implant device that is configured with one or more coils of ribbon which form ring-like structures when deployed in a patient's vasculature and are interconnected via respective extension arms formed from at least one helical winding. In an illustrative example, the catheter is positioned in the patient's aorta near the right angle junction with renal vasculature so that the axis of the catheter is substantially perpendicular to the axis of the vasculature. Through operation of an implant device delivery system having a pigtail distal end the ribbon emerges from the catheter tip and coils into the ring-like structures which deploy into the renal vasculature so that the longitudinal axes of the device and vasculature are substantially co-linear.

Method and device for treatment of hypertension and other maladies

Devices, systems and methods are disclosed for the mapping of electrical signals and the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly. The carrier assembly can be transformed from a compact, linear configuration to a helical configuration, such as to map and ablate pulmonary vein ostia.

Ablation catheter

An atrial ablation catheter with an electrode array particularly adapted to locate and ablate foci of arrhythmia which are required for sustained atrial fibrillation is provided. The array is easily deployed and retracted from the catheter, and presents a proximally oriented electrode array that can be pulled against the septal wall of the left atrium to engage the septal wall.

Atrial ablation catheter adapted for treatment of septal wall arrhythmogenic foci and method of use

A method of preparing a cutting balloon comprises the steps of providing a balloon body having an exterior surface, an unexpanded state and an expanded state; and engaging at least one blade to the exterior surface when the balloon body is in the unexpanded state.

Cutting balloon and process

Growing community of inventors

Escondido, CA, United States of America

Christopher Gerard Kunis