Biosense Webster (israel) Ltd.

Biosense Webster, Inc.

Acclarent, Inc.

Johnson & Johnson Surgical Vision, Inc.

Christopher Thomas Beeckler

Assaf Govari

Joseph Thomas Keyes

Kevin Justin Herrera

Andres Claudio Altmann

Rowan Olund Hettel

Athanassios Papaioannou

Vadim Gliner

Yehuda Algawi

Yaron Ephrath

Ilya Sitnitsky

Maribeth Esguerra Wilczynski

Alexander David Squires

Ariel Garcia

Kendra Anita McInnis

Nader Ghaly

Moe Habib Bishara

Jetmir Palushi

Eid Adawi

Xiangming Zhang

Eduardo J Jimenez

Jeffrey William Schultz

Mario A Solis

Dean M Ponzi

Henry F Salazar

Arnold Cruz Tuason

John H Thinnes, Jr

Don Q Ngo-Chu

Marc Dean

Rogelio Plascencia

Justin George Lichter

Kevin Mark Okarski

Meir Bar-Tal

Shubhayu Basu

Thomas V Selkee

Kristine B Fuimaono

George L Matlock

Fatemeh Akbarian

Athanasios Papadakis

Ella Ozeri

Yigal Ultchin

Julie M Taylor

Ygal Zucker

Aviva Goldberg

Lee Ming Boo

Zhong Wang

Alison D Wright

Reecha Sharma

Susan Ayer

Robert B Stagg

Betzi Zafra

Shahram Moaddeb

Itzhak Fang

Ehsan Shameli

Assaf Cohen

Babak Ebrahimi

Shiva Sharareh

Tom Allen Ditter

Michael Olen Zirkle

Amit Fuchs

Chad Allen Lieber

Behnam Amin

Amiram Sheiner

Itai Doron

Madison K Vanosdoll

Karthick Ramyan Mohan

Hany Abdelwahed

Krishna Murthy Rajan

Illya Shtirberg

Benham Amin

Jiayin Liu

Don Q Ngo-chu

Philippa Hill

Franklin D Tarke

Valerie Emparado

Christian W Wangsgard

Ahmed Albayoumy

Zulema Berenice Espinoza

A system for use with multiple electrodes coupled to respective spines of a probe includes multiple switches connected to the electrodes and configured to short different respective first subsets of the electrodes to each other and different respective second subsets of the electrodes to each other per different respective settings of the switches. The system further includes a processor configured to control the switches so as to alternate through the settings and, for each of the settings, cause a power generator to apply a voltage between the shorted first subset and the shorted second subset while the probe is deployed within a body of a subject. Other examples are also described.

Irreversible electroporation with shorted electrodes

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 balloon catheter that has one or more ultrasonic transducers to map a body cavity and to measure thicknesses of walls in the body cavity during an ablation procedure. The balloon of the catheter is deployable through a lumen into the body cavity with a flexible printed circuit board that has a first side attached to the exterior wall of the inflatable balloon and a second side opposite the first side. There is also provided an ultrasonic transducer mounted on the first side of the flexible printed circuit board and encapsulated between the exterior wall of the balloon and the flexible printed circuit board. A method of making or using the balloon catheter is also provided.

Balloon catheter with ultrasonic transducers

A catheter apparatus, including an elongated deflectable element, a distal assembly, a force sensor disposed between the elongated deflectable element and the distal assembly, and comprising a spring including a tube with at least one helical cut extending around a circumference of the tube, the at least one helical cut including deviations extending in a longitudinal direction of the tube, the deviations being configured to prevent overstretching and overbending of the spring.

Contact force spring with mechanical stops

In one embodiment, a system includes a balloon catheter configured to be inserted into a body-part of a living subject, the balloon catheter comprising an insertion tube having a distal tip, a force sensor connected to the distal tip, and an inflatable balloon including a proximal portion connected to the force sensor so that the force sensor is disposed between the distal tip of the insertion tube and the inflatable balloon, and multiple electrodes disposed around an outer surface of the balloon, and configured, when the balloon is inflated, to contact tissue at respective locations in the body-part, wherein the force sensor is configured to output at least one force signal indicative of a magnitude and a direction of a force applied by the balloon on the tissue when the balloon is inflated.

Balloon catheter with force sensor

A system includes an indifferent electrode, electrical switching circuitry, and a processor. The indifferent electrode, which is configured for placement on a body of a patient, includes multiple electrically-conducting sub-electrodes that are electrically-insulated from one another. The electrical switching circuitry is configured to receive a control signal that specifies a selected subset of the sub-electrodes, and in response to electrically connect the selected subset, so as to close an electrical circuit passing through the body of the patient. The processor is configured to determine a required surface area of the indifferent electrode, select the subset of the sub-electrodes that together have the required surface area, and instruct the electrical switching circuitry to electrically connect the selected subset of the sub-electrodes.

Indifferent electrode with selectable area

A medical instrument includes a shaft, multiple flexible spines and multiple electrodes. The shaft is configured for insertion into a body of a patient. The multiple flexible spines have respective first ends that are connected to a distal end of the shaft and respective second ends that are free-standing and unanchored. The spines are bent proximally such that the second ends are more proximal than the first ends. Each of the flexible spines includes a tensile layer configured to cause the flexible spine to bend proximally. The multiple electrodes are disposed over the flexible spines.

Flexible multi-arm catheter with diametrically opposed sensing electrodes

A medical probe includes an insertion tube for insertion into a patient body, at least an arm, which is attached to a distal end of the insertion tube, at least a reference electrode coupled to the arm, and multiple electrodes, which are coupled to the arm, surround the reference electrode and are configured to sense electrical signals of body tissues that, when measured relatively to the reference electrode, are indicative of anatomical signals in the patient body.

Mapping ECG signals using a multipole electrode assembly

A flexible probe has an assembly in its distal end that includes a compressible spring, the compressible spring arranged in a helix having flat surfaces with at least one leg at each end of the spring. The compressible spring is configured to deform in response to a compressive force acting against the legs at the ends of the spring from pressure exerted on the distal tip when engaging a wall of the body cavity. The compressible spring further includes at least one flexible transmitter coil disposed on the flat surface at one end of the spring and at least one flexible receiver coil on the flat surface at the other end of the spring. The at least one of flexible receiver coil is configured to receive signals from the at least one flexible transmitter coil for sensing a position of the coils relative to each other.

Reduced size force sensor

A method includes, in a processor, receiving signals from (i) a first position sensor disposed on a shaft of a catheter, and (ii) a second position sensor disposed on a distal end of a sheath of the catheter. Based on the signals received from the first position sensor and the second position sensor, an event is detected in which an expandable distal-end assembly of the catheter is being withdrawn into the sheath while still at least partially expanded. A responsive action is initiated in response to detecting the event.

Verifying proper withdrawal of catheter into sheath

A catheter includes an insertion tube, a flexible substrate and one or more electrical devices. The insertion tube is configured for insertion into a patient body. The flexible substrate is configured to wrap around a distal end of the insertion tube and includes electrical interconnections. The electrical devices are coupled to the flexible substrate and are connected to the electrical interconnections.

Catheter distal end made of plastic tube and flexible printed circuit boards

A method includes inserting an array of multiple electrodes, fitted at a distal end of a catheter, into a cavity in an organ of a patient. The array is brought into contact with an inner surface of the cavity. An input is received from a user, the input specifying one or more tissue segments to be ablated on the inner surface. In response to the input, using a processor, one or more pairs of the electrodes in the array are selected that, when driven with irreversible electroporation (IRE) signals, would ablate the specified tissue segments. The specified tissue segments are ablated by applying the IRE signals to the pairs of the electrodes.

Application of irreversible electroporation (IRE) ablation using catheter with electrode array

A flexible circuit that is substantially planar may be assembled into an electrophysiologic catheter. The flexible circuit may include various location sensing portions and force sensing portions. The flexible circuit may be deformed in a manner that improves the catheter's functionality concerning force feedback and location feedback, and then further deformed to be assembled into a small volume of the catheter.

Flexible circuit with location and force-sensor coils

The subject of this disclosure includes an ablation system for visually supporting a tissue ablation procedure, including a display comprising a user interface; and at least one processor in communication with the display, the at least one processor configured to control one or more of a plurality of electrodes of a radiofrequency balloon catheter to ablate organ tissues of one or more targeted pulmonary veins; determine a characteristic, based on ablation parameters of the radiofrequency balloon catheter, of pulmonary vein isolation (PVI) success rate; and present, on the display, visual information corresponding to each electrode for an indication, based on the characteristic, for PVI success rate.

Systems and methods of ablating cardiac tissue

Growing community of inventors

Brea, CA, United States of America

Christopher Thomas Beeckler