Biosense Webster (israel) Ltd.

Johnson & Johnson Surgical Vision, Inc.

Acclarent, Inc.

Other

Biosense Webster (isreal) Ltd.

Biosense Webster, Inc.

Vadim Gliner

Assaf Govari

Andres Claudio Altmann

Ilya Sitnitsky

Yehuda Algawi

Alon Boumendil

Christopher Thomas Beeckler

Yair Palti

Yaron Ephrath

Ram Bernard Mayer

Jetmir Palushi

Joseph Thomas Keyes

Israel Zilberman

Fatemeh Akbarian

Ehsan Shameli

Henry F Salazar

Itamar Bustan

Babak Ebrahimi

Shubhayu Basu

George L Matlock

Itzhak Fang

Akram Zoabi

Fady Massarwi

John H Thinnes, Jr

Don Q Ngo-Chu

Amit Fuchs

Zvi Dekel

Yitzhack Schwartz

Thomas R Jenkins

Natan Sharon Katz

Marc Dean

Randy J Kesten

Athanassios Papaioannou

Noam Racheli

Athanasios Papadakis

Yoav Pinsky

Eran Aharon

Stanislav Katzir

David A Smith, Jr

John H Thinnes

Remi Bettan

Yael Buchnik

Uri Avni

Alexander Salevich

Moran Levi

Madison K Vanosdoll

Hany Abdelwahed

Ygal Zucker

Alison D Wright

Shai Shimon Bard

Ilan Goldenberg

Gili Attias

Behnam Amin

Eden Kidishman

Kevin Mark Okarski

Karthick Ramyan Mohan

Sharona Ben Shoshan

Noam Rachli

Guy Wekselman

Uriel Hod

Benham Amin

Dganit David

Ghislain G Sema

Franklin D Tarke

Valerie Emparado

Christian W Wangsgard

Ahmed Albayoumy

Yoav Lamhot

Eyal Dror

George Gusein

Aleksander Prylutskyy

Yan Korgozki

Benjamin Cohen

Vladimir Dvorkin

Andreas Claudio Altmann

Ram B Mayer

Ilya Sitniksky

In one embodiment, a method to find tissue proximity indications includes inserting a catheter into a body part of a living subject such that electrodes of the catheter contact tissue at respective locations within the body part, receiving signals provided by the electrodes, selectively rewarding and penalizing a reinforcement learning agent over reinforcement learning exploration phases to learn at least one tissue proximity policy responsively to at least one of the received signals, applying the reinforcement learning agent in reinforcement learning exploitation phases to find respective tissue-proximity actions to be taken that maximize respective expected rewards responsively to the at least one tissue proximity policy, and providing respective derived tissue-proximity indications of proximity of a given one of the electrodes with the tissue responsively to the found respective tissue-proximity actions.

Accurate tissue proximity

A phacoemulsification device includes a phacoemulsification probe and a processor. The phacoemulsification probe includes a piezoelectric crystal configured to vibrate in response to a drive signal, a needle configured to be inserted into a lens capsule of an eye and to be vibrated by the piezoelectric crystal, and a set of magnetic-field components. The set includes (i) one or more magnetic-field generators configured to generate a magnetic field, and (ii) one or more magnetic-field sensors configured to sense the magnetic field. At least one of the magnetic-field components is coupled to vibrate with the needle and at least one other of the magnetic-field components is isolated from vibration of the needle, thereby causing the magnetic-field sensors to output signals indicative of the vibration. The processor is configured to adaptively adjust a frequency of the drive signal so as to vibrate the needle at a resonant frequency of the piezoelectric crystal.

Phacoemulsification probe comprising magnetic sensors and/or multiple independent piezoelectric vibrators

A method includes, receiving multiple signals from multiple respective electrodes arranged along an inner circumference of a blood vessel that has been ablated. Based on the multiple signals, one or more quality measures of the ablated blood vessel are produced. A graphical presentation indicative of the one or more quality measures, is displayed to a user in a two-dimensional (2D) polar coordinate system.

Presenting quality measures of tissue ablation in a blood vessel using a two-dimensional map

A method includes receiving intracardiac electrogram (IEGM) signals measured at a plurality of locations in a region of a heart that contains a His bundle of the heart. The IEGM signals are processed to find respective local activation time (LAT) values. A cluster of the locations is identified at which peaks associated with the LAT values occur later than a defined time. Respective time differences are calculated between times of occurrence of the associated peaks and a reference time. The time differences are compared to a threshold value to retain locations for which the time differences are below the threshold value. The respective IEGM signals are filtered to identify respective high-frequency peaks in the IEGM signals. The high-frequency peaks are cross-corelated to identify a subset of the locations whose high-frequency peaks meet a predefined cross-correlation level. The high-frequency peaks are tagged as His peaks and indicated on a cardiac map.

Automatic detection of the his bundle during electrophysiological mapping

A registration device, including a wand, a light guide passing through the wand, and a position sensor fixed to the wand. A light source outputs a modulated beam of light into a light guide proximal end, so that the light is emitted from a light guide distal end toward a surface in proximity to a wand distal tip. A detector receives, from the light guide proximal end, light reflected from the surface into the light guide distal end, and outputs a signal indicative of the reflected light intensity. A processor computes a distance from the distal tip of the wand to the surface by extracting a phase difference between the output beam and the reflected light from the signal, and computes a position of the surface in a sensor frame of reference responsively to the computed distance and the location of the distal tip found from the position sensor.

Ent tools

An eye surgery system includes an Input/Output (I/O) device and a processor. The I/O device is configured to enable a user to define one or more eye surgery protocols, and further configured to, using the I/O device, present a graphical user interface (GUI) that displays one or more user defined eye surgery protocols. The processor is configured to (a) present the one or more user defined eye surgery protocols on the I/O device using the GUI, (b) test compatibility of the one or more user defined eye surgery protocols with the eye surgery system, and (c) provide an indication of the compatibility to a user of the eye surgery system.

Managing phacoemulsification user defined protocols

A phacoemulsification system including a phacoemulsification probe having a probe body, a horn disposed at least partially in the probe body, a needle coupled with the horn and configured to be inserted into an eye, and a piezoelectric actuator disposed in the probe body and configured to vibrate the horn and the needle in a first direction with a stroke length with respect to the probe body; a signal generator configured to generate a drive signal to drive a vibration of the piezoelectric actuator; a stroke measurement apparatus configured to provide indications of the stroke length of the needle over time; and a controller configured to dynamically adjust a frequency of the drive signal so as to maximize the stroke length and maintain mechanical resonance of the needle responsively to the provided indications of the stroke length.

Phacoemulsification probe stroke length maximization system

A system and method that includes inserting a needle of a phacoemulsification handpiece into an eye of a patient and vibrating the needle in a first trajectory. Matter from the eye is aspirated via an aspiration line while the needle is vibrated in the first trajectory. An indication is received, of a vacuum level in the aspiration line. Determined is, that the vacuum level has changed by at least a preset vacuum level change, and in response vibrating the needle is switched to a second trajectory, different from the first trajectory.

Automatic control of phacoemulsification needle trajectory

An apparatus includes a body, a shaft assembly, and a visualization assembly. The body includes first and second actuators. The shaft assembly extends distally from the body and includes a rigid proximal portion and a steerable distal portion. The steerable distal portion is positioned distally relative to the rigid proximal portion. The first actuator is operable to drive the steerable distal portion to deflect laterally relative to a longitudinal axis defined by the rigid proximal portion. The steerable distal portion is configured to fit within a nasal cavity of a patient. The visualization assembly is disposed within the shaft assembly. The visualization assembly includes a camera. The second actuator is operable to drive longitudinal translation of the visualization assembly relative to the shaft assembly.

ENT instrument with deformable guide having translatable imaging feature

A system includes a display and a processor. The processor is configured to (i) receive a cardiac electrophysiological (EP) velocity vectors map, (ii) compute a set of directed graphs from at least some of the velocity vectors, (iii) using the directed graphs, identify respective origin velocity vectors on the EP velocity vectors map, (iv) define one or more regions on the EP velocity vectors map, (v) determining based on origin velocity vectors in each of the one or more regions, whether the one or more regions contain a focal source of an arrhythmia, and (vi) visualize regions identified to contain a focal source on the EP map to a user, on the display.

Focal arrhythmia source finder using directed graphs

A catheter includes: (a) a shaft for insertion into a heart of a patient, (b) an expandable distal-end assembly, which is coupled to the shaft and is configured to make contact with tissue of the heart, (c) at least first and second electrocardiogram (ECG) electrodes, which are coupled to an outer surface of the expandable distal-end assembly, and when placed in contact with the tissue, are configured to sense ECG signals in the tissue, and (d) a reference electrode, which is positioned within an inner volume of the distal-end assembly, and in an expanded position of the distal-end assembly, the reference electrode: (i) has no physical contact with the tissue, and (ii) is positioned at a first distance from the first ECG electrode and at a second distance from the second ECG electrode, and the difference between the first and second distances is smaller than a predefined threshold.

Electro-anatomical mapping and annotation presented in electrophysiological procedures

In one embodiment, a phacoemulsification system includes a phacoemulsification probe configured to be inserted into an eye, and including a needle, a horn configured to support the needle, and an ultrasonic actuator connected to the horn and configured to vibrate the needle to emulsify a lens of the eye, an aspiration line partially disposed in the needle, a pumping sub-system connected to the aspiration line and configured to remove fluid and waste matter from the eye via the aspiration line, a valve disposed in the aspiration line and configured to control fluid connectivity in the aspiration line, a sensor configured to provide a signal indicative of a fluid metric in the aspiration line, and a controller configured to find an activation status of the ultrasonic actuator, and selectively control the valve responsively to the fluid metric and the activation status of the ultrasonic actuator.

Anti-vacuum surge system

A system comprising a processor and memory storing instructions configured to cause the system to: receive multiple electrophysiological (EP) signals acquired by multiple electrodes of a multi-electrode catheter that are in contact with tissue in a region of a cardiac chamber, and respective tissue locations at which the electrodes acquired the EP signals, calculate an average local activation time, determine: a first section of two sections having a smaller average LAT value, and a second section of the two sections having a higher average value, determine a first representative location in the first section, and a second representative location in the second section, calculate a propagation vector indicative of propagation of an EP wave that has generated the EP signals, determine if a re-entering EP wave is detected, and calculate an additional propagation vector for the re-entering EP wave.

Analyzing multi-electrode catheter signals to determine electrophysiological (EP) wave propagation vector

An apparatus includes a current source, an electronic circuit and a circuit board. The current source is configured to flow an electrical current having a selected frequency between a pair of electrodes coupled to a medical probe. The electronic circuit is configured to measure a single-ended voltage relative to ground that is formed on at least one of the electrodes in the pair in response to the electrical current, and, based on the measured voltage, to assess physical contact between the at least one of the electrodes and tissue. The circuit board includes the current source and the electronic circuit, and includes a layout that produces, at the selected frequency, a predefined capacitance between the current source and ground, thus forming a reference for measurement of the single-ended voltage.

Assessing tissue contact with catheter using pairs of electrodes and common reference ground established using designed circuit-board capacitance

In one example, a medical system includes a display, a console including a plurality of ports configured to be coupled with the catheters via respective cables, the catheters having respective first electrical channel profiles, the ports having respective second electrical channel profiles, and processing circuitry configured to receive user input selecting respective ones of the catheters to be used in a medical procedure. find a connection configuration with which to couple the respective ones of the catheters with ones of the ports, responsively to the respective first electrical channel profiles of the respective ones of the catheters and the respective second electrical channel profiles of the ports, and render the connection configuration to the display.

Catheter connection configuration system

Growing community of inventors

Haifa, Israel

Vadim Gliner