In one embodiment, a medical system includes a catheter to be inserted into a body part, and including an elongated deflectable element including a distal end, a proximal coupler connected to the distal end, an expandable assembly comprising flexible polymer circuit strips, each flexible polymer circuit strip including strip electrodes and a respective contact pad disposed thereon, the flexible polymer circuit strips having respective proximal ends connected to, and disposed circumferentially around, the proximal coupler, and surface mountable electrodes electrically connected to respective ones of the flexible polymer circuit strips, wherein each surface mountable electrode is electrically connected to the respective contact pad of a respective one of the flexible polymer circuit strips using at least one electrically conductive retainer.

Engagement catheter devices, systems, and methods to use the same under suctional tissue engagement. A method of the present disclosure comprises the steps of engaging a targeted tissue under suction/vacuum using an engagement catheter, delivering a substance to, into, or through the targeted tissue from within a lumen of the engagement catheter, and injecting a fluid within a different lumen of the engagement catheter to flush the catheter and target tissue area with the fluid, and subsequently suctionally removing the injected fluid from the target area and lumens of the engagement catheter.

Novel tools and techniques are provided for implementing intelligent assistance (“IA”) ecosystem, and, in some cases, for implementing extended reality (“XR”) for cardiac arrhythmia procedures. In various embodiments, a computing system might receive device data associated with a device(s) configured to perform a cardiac arrhythmia procedure to provide effective heart rhythm, might receive imaging data associated with an imaging device(s) configured to generate images of a portion(s) of a patient. The computing system might analyze the received device data and imaging data (collectively “received data”), might map the received data to a 3D or 4D representation of the portion(s) of the patient based on the analysis, and might generate and present (using a user experience (“UX”) device) one or more XR images or experiences based on the mapping.

An apparatus and method for diagnosis or treatment of a vessel or organ. The apparatus includes a deformable body such as a catheter having a tissue ablation end effector and an irrigation channel in fluid communication therewith. At least two sensors are disposed within a distal extremity of the deformable body, the sensors being responsive to a wave in a specified range of frequency to detect deformations resulting from a contact force applied to the distal extremity. A microprocessor can be operatively coupled with the sensors to receive outputs therefrom, the microprocessor being configured to resolve a multi-dimensional force vector corresponding to the contact force. In one embodiment, the sensors are fiber Bragg grating sensors, and the wave is injected into the fiber Bragg grating strain sensors from a laser diode.

A system and method for obtaining an OIS coordinate frame comprising an electronic control unit configured to determine a local 3D electric field loop, create a zero mean version of E(t) over a depolarization interval, compute an Ė value at each of a plurality of time intervals, compute an initial estimate of ŵ from a cross product of E and the Ė value for each of the plurality of time intervals, average the initial estimate of ŵ from each of the plurality of time for a best estimate of ŵ, determine a plurality of â(θ) values and using the corresponding {circumflex over (n)}(θ) values, compute a composite match score, and choose at least one best value for â and a best value for {circumflex over (n)}.

A modular multi-electrode structure for use with an electrophysiology device includes a plurality of interconnected, non-conductive, tubular substrates. Each non-conductive, tubular substrate includes an outer surface and a conductor disposed on the outer surface, as well as at least one signal conductor extending along a length of the interconnected plurality of non-conductive tubular substrates. The conductor disposed on the outer surface of each non-conductive tubular substrate is in electrical communication with the at least one signal conductor. In some embodiments, the plurality of non-conductive tubular substrates includes a plurality of non-conductive polymeric substrates. In alternative embodiments, the plurality of non-conductive tubular substrates includes a plurality of non-conductive, unitary molded cylinders.

Embodiments of the present disclosure include a system for determining an error associated with an electrode disposed on a medical device. The system comprises a processor and a memory storing instructions on a non-transitory computer-readable medium. The instructions are executable by the processor to receive an electrode signal from the electrode disposed on the medical device. The instructions are further executable by the processor to receive a plurality of other electrode signals from a plurality of other electrodes disposed on the medical device. The instructions are further executable by the processor to determine that the electrode signal received from the electrode disposed on the medical device is an outlier in relation to the plurality of other electrode signals from the plurality of other electrodes disposed on the medical device, based on a comparison between the electrode signal and the plurality of other electrode signals.

Catheters, systems, and related methods for optimized for mapping, minimizing, and treating cardiac fibrillation in a patient, including an array of at least one stacked electrode pair, each electrode pair including a first electrode and a second electrode, wherein each electrode pair is configured to be orthogonal to a surface of a cardiac tissue substrate, wherein each first electrode is in contact with the surface to record a first signal, and wherein each second electrode is separated from the first electrode by a distance which enables the second electrode to record a second signal, wherein the catheter is configured to obtain one or more measurements from at least a first signal and a second signal in response to electrical activity in the cardiac tissue substrate indicative of a number of electrical circuit cores and distribution of the electrical circuit cores for a duration across the cardiac tissue substrate.

The present disclosure relates to the field of tissue mapping and ablation. Specifically, the present disclosure relates to expandable medical devices for identifying and treating local anatomical abnormalities within a body lumen. More specifically, the present disclosure relates to systems and methods of focal treatment for overactive bladders.

One or more embodiments of the present disclosure are directed to a catheter including a plurality of flexible catheterlets, in such an embodiment each of the catheterlets may include an electrode proximate a distal end of the catheterlet. In some more specific embodiments, one or more of the catheterlets may be free of electrodes at a distal most end.