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Biosense Webster israel Ltd patents


Recent patent applications related to Biosense Webster israel Ltd. Biosense Webster israel Ltd is listed as an Agent/Assignee. Note: Biosense Webster israel Ltd may have other listings under different names/spellings. We're not affiliated with Biosense Webster israel Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "B" | Biosense Webster israel Ltd-related inventors


Catheter with angled irrigation holes

A medical probe for insertion has at least one distal electrode coupled to an energy source to apply energy to tissue inside the body. A plurality of apertures are formed in the electrode. A fluid-directing assembly is disposed in the distal section of the probe having an axial channel that... Biosense Webster israel Ltd

Pre-operative registration of anatomical images with a position-tracking system using ultrasound

A method includes receiving multiple measurements, acquired using a registration tool including an ultrasound (US) transducer and a position sensor of a position-tracking system. The measurements are acquired by attaching the tool to multiple locations on a patient head and acquiring position measurements of the position sensor and respective US... Biosense Webster israel Ltd

Registration of a magnetic tracking system with an imaging device

Described embodiments include a processor that receives signals from a probe, as the probe is placed at respective locations on a body of a subject, and derives, from the signals, a set of points that correspond to the respective locations. The processor then registers the set of points with a... Biosense Webster israel Ltd

Basket catheter conforming to organ using strain-relief elements

A catheter includes a shaft for insertion into an organ of a patient, and an extendable distal-end assembly. The distal-end assembly is coupled to the shaft and includes multiple splines. At least one spline includes one or more electrodes and at least one strain-relief element that is configured, when the... Biosense Webster israel Ltd

Detection of leakage in implants

An implant includes a hollow biocompatible shell, first and second electrodes, filling material, and circuitry. The hollow biocompatible shell is configured to be implanted in an organ of a patient. The first electrode is disposed inside the shell. The second electrode has at least one surface disposed outside the shell.... Biosense Webster israel Ltd

Catheter with high density electrode spine array

A catheter adapted or high density mapping and/or ablation of tissue surface has a distal electrode matrix having a plurality of spines arranged in parallel configuration on which a multitude of electrodes are carried in a grid formation for providing uniformity and predictability in electrode placement on the tissue surface.... Biosense Webster israel Ltd

Ent tool antenna

Apparatus, including a handle and a first conductive tube that is attached to and extends from the handle. The tube is biocompatible, and a tube distal end is configured to be inserted into an orifice of a human being for a medical procedure. The apparatus includes a second conductive tube,... Biosense Webster israel Ltd

Debrider with multiple flushing orifices

A surgical apparatus includes a debriding device, a hollow tube, and an irrigation assembly. The debriding device is fitted at a distal end of the surgical apparatus and is configured to debride tissue from a debriding site in a patient body. The hollow tube is configured to evacuate the debrided... Biosense Webster israel Ltd

Ablation catheter with strain gauges

Described embodiments include apparatus that includes a catheter. A tube, at a distal portion of the catheter, includes a plurality of segments that are at least partly disconnected from each other, and a plurality of bridges that span respective neighboring pairs of the segments. The apparatus further includes one or... Biosense Webster israel Ltd

Irrigation system for a catheter

Described embodiments include apparatus that includes a catheter and a tip electrode, at a distal end of the catheter, shaped to define a plurality of fluid apertures. A structure, within the tip electrode, is configured such that fluid passed distally through a lumen of the catheter flows in a longitudinal... Biosense Webster israel Ltd

Ablation catheter with a flexible printed circuit board

Described embodiments include apparatus that includes a catheter and a tip electrode, at a distal end of the catheter, shaped to define a plurality of microelectrode apertures. The apparatus further includes at least one printed circuit board (PCB) disposed within a lumen of the catheter, and a plurality of microelectrodes... Biosense Webster israel Ltd

Catheter with split electrode sleeve and related methods

An electrophysiology catheter having an electrode sleeve mounted on a distal section, the electrode sleeve comprising an electrically-nonconductive band and a plurality of discrete electrodes, the band extending circumferentially around the distal section, each discrete electrode occupying a different radial position around the band. The catheter includes a plurality of... Biosense Webster israel Ltd

Catheter with bipole electrode spacer and related methods

An electrophysiology catheter constructed with assembly and wiring of ring electrodes using spacer rings of electrically-nonconductive material, whose length is predetermined/premeasured, includes a distal section with at least one spine having two electrodes, and a spacer member therebetween, wherein the spacer member configured to provide a separation gap between the... Biosense Webster israel Ltd

Basket catheter with deflectable spine

A catheter adapted for mapping and/or ablation in the atria has a basket-shaped electrode array with two or more location sensors with a deflectable expander. The catheter has comprises a catheter body, a basket electrode assembly at a distal end of the catheter body, and a control handle at a... Biosense Webster israel Ltd

Annotation of a wavefront

A method, including receiving a bipolar signal from a pair of electrodes in proximity to a myocardium of a human subject and receiving a unipolar signal from a selected one of the pair of electrodes. The method further includes computing a local unipolar minimum derivative of the unipolar signal, and... Biosense Webster israel Ltd

Classifying ecg signals

A method, including receiving a bipolar signal from a pair of electrodes in proximity to a myocardium of a human subject, and receiving a unipolar signal from a selected one of the pair of electrodes. The method further includes delineating a window of interest (WOI) for the unipolar and bipolar... Biosense Webster israel Ltd

Identifying ecg signals having the same morphology

A method, including selecting an initial set of electrocardiograph (ECG) signals taken over a single heartbeat of a human subject, the set having respective morphologies to be used as a template for an arrhythmia of the subject, and receiving a subsequent set of ECG signals taken over a subsequent heartbeat... Biosense Webster israel Ltd

Turbine-driven rotary sinuplasty cutter

A surgical apparatus includes a rotatable shaft and a turbine assembly. The rotatable shaft includes a cutter located thereon. The cutter is configured to cut an object when the shaft is rotating about a rotational axis. The turbine assembly includes a turbine and a turbine housing. The turbine housing is... Biosense Webster israel Ltd

Gear mechanism to drive oscillating shaft

A cutting operation is performed with an apparatus having an elongated sleeve with a port in its distal section. The sleeve is connected to a vacuum source and a rotating shaft is disposed in the lumen of the sleeve. The shaft has a cutting blade at its distal end opposite... Biosense Webster israel Ltd

Registering probe and sheath images on a display

A method, including calculating locations of first sensors attached to a probe that has been inserted into a human patient, and calculating positions of second sensors attached to a sheath via which the probe is inserted. The method also includes calculating respective shapes of the probe and the sheath, to... Biosense Webster israel Ltd

Balloon positioning in a sinuplasty procedure

A method includes inserting into a patient organ a catheter including a position sensor, a device and a handle. The position sensor is attached to a distal end of the catheter. The device is movable along the catheter. The handle includes a control for navigating the device along the catheter... Biosense Webster israel Ltd

Catheter with soft distal tip for mapping and ablating tubular region

A catheter includes an elongated body having a longitudinal axis, a distal assembly distal the elongated body, the distal assembly having a tapered helical form comprising a larger, electrode-carrying proximal loop and a smaller, softer distal loop, and a shape-memory support member extending through at least the proximal loop. For... Biosense Webster israel Ltd

Catheter with distal section having side-by-side loops

The catheter allows mapping and/or ablation of the area around two or more PV ostia at the same time, with a single placement of a distal section of the catheter having a 2D configuration resembling an infinity or lazy 8 symbol. The catheter has an elongated catheter body, a distal... Biosense Webster israel Ltd

Basket catheter with improved spine flexibility

A catheter with basket-shaped electrode assembly with spines configured for hyper-flexing in a predetermined, predictable manner when a compressive force acts on the assembly from either its distal end or its proximal end. At least one spine has at least one region of greater (or hyper) flexibility that allows the... Biosense Webster israel Ltd

Diaphragm pumps for medical applications

Apparatus and methods described include a pump, which includes a piston, a diaphragm coupled to the piston and defining a wall of a fluid chamber, and a snail cam. The snail cam is configured to, by rotating, alternatingly (i) pump fluid from the fluid chamber, and (ii) draw fluid into... Biosense Webster israel Ltd

Catheter with micro-peltier cooling components

A catheter has a cooling distal section for freezing tissue to sub-zero temperatures with one or more miniature reverse thermoelectric or Peltier elements, also referred to herein as micro-Peltier cooling (MPC) units or electrodes. The MPC units may be on outer surface of an inflatable or balloon member or a... Biosense Webster israel Ltd

Automatic creation of multiple electroanatomic maps

Cardiac electrograms are recorded in a plurality of channels. Beats are classified automatically into respective classifications according to a resemblance of the morphologic characteristics of the beats to members of a set of templates. Respective electroanatomic maps of the heart are generated from the classified beats.... Biosense Webster israel Ltd

Ascertaining tissue thickness

Embodiments described herein include apparatus that includes an electrical interface and a processor. The processor is configured to receive, via the electrical interface, a first signal that indicates a time-varying force that was applied to a portion of tissue, and one or more second signals that are derived from ultrasound... Biosense Webster israel Ltd

Magnetic-field generating circuit for a tracking system

Described embodiments include apparatus that includes a signal generator and an electric circuit. The signal generator is configured to supply a signal having both a first dominant frequency and a second dominant frequency. The electric circuit, which includes a reactive component, is configured to generate, upon the signal being supplied... Biosense Webster israel Ltd

Irrigated catheter with fluid evacuation

A catheter for use with a suction source for removing excess fluid from a tissue treatment site has a catheter body, a distal section and a fluid evacuation path, where the distal section includes a multi-lumened member and at least one evacuation port, and the fluid evacuation path extends through... Biosense Webster israel Ltd

Catheter-based system having dongle with shape memory

A dongle couples an electrophysiologic catheter and a navigational system, including a patient interface unit (PIU). The dongle permits hardware normally carried on catheter control handle to be relocated onto the dongle to render catheter “greener” and less costly to manufacture use. The dongle having a support portion with flexibility,... Biosense Webster israel Ltd

Dual-function sensors for a basket catheter

Described embodiments include a catheter, which includes a plurality of splines at a distal end of the catheter, and a plurality of helical conducting elements disposed on the splines. Other embodiments are also described.... Biosense Webster israel Ltd

Identification and visualization of cardiac activation sequence in multi-channel recordings

Intracardiac electrograms are recorded using a multi-electrode catheter and respective annotations established. Within a time window a pattern comprising a monotonically increasing local activation time sequence from a set of electrograms from neighboring electrodes is detected. The set is reordered and displayed for the operator.... Biosense Webster israel Ltd

Multi-function conducting elements for a catheter

Described embodiments include an apparatus that includes an expandable structure, configured for insertion into a body of a subject, and a plurality of conducting elements coupled to the expandable structure. Each of the conducting elements comprises a respective coil and has an insulated portion that is electrically insulated from tissue... Biosense Webster israel Ltd

Balloon catheter and related impedance-based methods for detecting occlusion

A system for assessing occlusion of a region to blood flow includes a catheter with an inflatable member, a first electrode configured for placement upstream of the inflatable member and the second electrodes configured for placement downstream of the inflatable member, the inflatable member configured for inflation to occlude the... Biosense Webster israel Ltd

12/07/17 / #20170347959

Spine construction for basket catheter

A spine of an electrode assembly is constructed by simultaneously deploying a plurality of individual bobbins of lead wire radially around the longitudinal axis of a polymeric tube. A free end of lead wire from each bobbin is electrically connected to a respective electrode and the electrodes are sequentially installed... Biosense Webster israel Ltd

12/07/17 / #20170348040

System for controlling tissue ablation using temperature sensors

Body tissue ablation is carried out by inserting a probe into a body of a living subject, urging the probe into contact with a tissue in the body, generating energy at a power output level, and transmitting the generated energy into the tissue via the probe. While transmitting the generated... Biosense Webster israel Ltd

12/07/17 / #20170348046

Ablation catheter with dedicated fluid paths and needle centering insert

An irrigated needle electrode ablation catheter has a distal tip section with a tip electrode, a needle electrode assembly longitudinal movable relative to the catheter, and a needle centering insert in a channel in the tip electrode. The assembly has a proximal tubing and a distal needle electrode, and the... Biosense Webster israel Ltd

11/30/17 / #20170340207

Using location and force measurements to estimate tissue thickness

A method, including pressing a distal end of a medical probe against a wall of a body cavity, and receiving from the probe first measurements of a force exerted by the distal end on the wall. The method also includes receiving from the probe second measurements indicating a displacement of... Biosense Webster israel Ltd

11/30/17 / #20170340227

Operator-controlled map point density

A method includes accepting from a medical imaging system a plurality of map points, each map point including a respective coordinate on a surface of a body organ measured by bringing a medical probe into proximity with the surface. An operator input, which specifies a spatial density at which the... Biosense Webster israel Ltd

11/30/17 / #20170340235

Computer-aided localization of site of origin of cardiac activation with discriminator leads

A method for quantifying, during pacemapping, a comparison of a BSPM of interest to a pace site BSPM. The method may include receiving at a computing device a plurality of ECG signals from an acquisition system. The pace site BSPM may be calculated using the plurality of ECG signals. The... Biosense Webster israel Ltd

11/23/17 / #20170332970

Multi-electrode catheter spine and making the same

A flexible frame comprising an electrically conductive hollow cylindrical metallic tube having a plurality of cuts along the longitudinal axis to form a plurality of conductive wires. The wires are equally spaced apart circumferentially along the longitudinal axis of the tube by a gap to electrically isolate the wires. A... Biosense Webster israel Ltd

11/23/17 / #20170333013

System and catheter connections

A console for performing a medical procedure has connection ports for electrically coupling equipment. Each connection port may have an associated indicator that signals whether a piece of equipment should be connected to the respective connection port. The indicators may be selectively activated depending on the procedure being performed with... Biosense Webster israel Ltd

11/16/17 / #20170325841

Insertion tube with deflectable tip

Apparatus described herein includes a tube, shaped to define a tube lumen and including a distal portion that has a plurality of articulated sections. The apparatus further includes a ribbon that passes longitudinally through the tube lumen and is connected to a distalmost one of the articulated sections, and a... Biosense Webster israel Ltd

11/16/17 / #20170325882

Catheter with composite construction

A catheter has a composite and segmented construction in a distal section that includes deflectable members and support member arranged in alternating sequence, with each support member carrying a ring electrode and the deflectable members being flexible to allow deflection of the distal section as a whole. Carried on an... Biosense Webster israel Ltd

11/16/17 / #20170325883

Catheter with composite construction

A catheter has a composite and segmented construction in a distal section that includes deflectable members and support member arranged in alternating sequence, with each support member carrying a ring electrode and the deflectable members being flexible to allow deflection of the distal section as a whole. Carried on an... Biosense Webster israel Ltd

11/16/17 / #20170325893

Real-time estimation of tissue perforation risk during minimally invasive medical procedure

A method for performing a medical procedure, includes coupling a tip of a probe to tissue in an organ of a patient in order to apply the medical procedure using the probe. A force exerted by the tip on the tissue and a displacement of the tip created by the... Biosense Webster israel Ltd

11/09/17 / #20170319139

Varying diameter catheter distal end design for decreased distal hub size

This disclosure is directed to a catheter having a basket-shaped electrode assembly with a high electrode density. The basket-shaped electrode assembly may have a plurality of spines, such as up to twelve, each with a plurality of electrodes, such as up to sixteen. The distal ends of the plurality of... Biosense Webster israel Ltd

11/09/17 / #20170319140

Basket-shaped catheter with improved distal hub

This disclosure is directed to a catheter having a basket-shaped electrode assembly with a high electrode density. The basket-shaped electrode assembly may have a plurality of spines, such as up to twelve, each with a plurality of electrodes, such as up to sixteen. The distal ends of the plurality of... Biosense Webster israel Ltd

11/09/17 / #20170319144

Catheter with shunting electrode

A catheter with an electrode assembly has a functional electrode located at a first position on the electrode assembly and a shunting electrode located proximal to the first position. Irrigation fluid carried by the catheter may be electrically coupled with a patient's blood through the shunting electrode. The shunting electrode... Biosense Webster israel Ltd

11/09/17 / #20170319258

Estimation and mapping of ablation volume

... Biosense Webster israel Ltd

11/02/17 / #20170311829

Methods for constructing irrigated balloon catheter with flexible circuit electrode assembly

A method of constructing an electrophysiology catheter having a flex circuit electrode assembly includes: providing a flex circuit having a substrate, a first conductive layer and a second conductive layer; removing the first conductive layer to expose a first surface of the substrate; forming the wiring electrode in the second... Biosense Webster israel Ltd

11/02/17 / #20170311893

Method of constructing irrigated balloon catheter

A method of constructing an inflatable electrode assembly configured for irrigation, comprises: providing a flex circuit having a substrate with a pre-formed aperture, the substrate constructed of a material having a greater heat resistance or a first melting temperature; providing a balloon member with a membrane, the membrane constructed of... Biosense Webster israel Ltd

11/02/17 / #20170312022

Irrigated balloon catheter with flexible circuit electrode assembly

An irrigated balloon catheter for use in an ostium of a pulmonary vein, includes a flex circuit electrode assembly adapted for circumferential contact with the ostium when the balloon is inflated. Adapted for both diagnostic and therapeutic applications and procedures, the balloon catheter may be used with a lasso catheter... Biosense Webster israel Ltd

10/26/17 / #20170303896

Inflatable balloons for a foldable apparatus

Described embodiments include an apparatus that includes a plurality of flaps configured to fold over each other in a folded configuration. Each one of the flaps includes one or more ultrasound transducer elements. One or more balloons are coupled to the flaps, the balloons being configured to, upon being inflated,... Biosense Webster israel Ltd

10/19/17 / #20170296125

Basket catheter with microelectrode array distal tip

A catheter adapted for greater mapping resolution and location precision has a basket-shaped, high density electrode assembly for large-area mapping, and an integrated distal tip providing an array of ultra-high density microelectrodes for acute focal mapping. The basket-shaped electrode assembly 18 has a plurality of electrode-carrying spines and the distal... Biosense Webster israel Ltd

10/19/17 / #20170296251

Basket catheter with prestrained framework

A catheter having a basket-shaped electrode assembly at the distal end of the catheter body formed from a plurality of spines with electrodes. The plurality of spines are formed by a framework which is prestrained to have a diameter greater than the diameter of the expanded arrangement of the basket-shaped... Biosense Webster israel Ltd

10/19/17 / #20170296262

Pulmonary-vein cork device with ablation guiding trench

A method includes inserting into a patient body a catheter, which includes an insertion tube and at least an expandable distal-end device coupled to a distal end of the insertion tube. The distal-end device is expanded in a blood vessel, thereby forming an annular guiding trench between the distal-end device... Biosense Webster israel Ltd

10/19/17 / #20170296267

Catheter with cooling on nonablating element

A catheter tip electrode has a tissue contacting surface which electrically conducts RF energy to the tissue and is more thermally conductive than adjacent non-electrically conductive coating or cover which prevents RF conduction to the tissue contacting that surface. The tip electrode has a shell with a nonablating hollow proximal... Biosense Webster israel Ltd

10/19/17 / #20170301102

Method and system for determining locations of electrodes on a patient body

A method for electrode placement includes acquiring an image of a body of a patient, such that the image captures a patch that has been placed on the body. Based on the acquired image and the patch appearing therein, one or more preferred locations are calculated on the body for... Biosense Webster israel Ltd

10/12/17 / #20170290616

Uncalibrated thermocouple system

Apparatus, including a multiplexer, having a first output and multiple first inputs receiving analog input signals and an analog feedback signal and cycling through and selecting the signals for transfer in sequential signal groupings to the first output. The apparatus also includes an amplification circuit, having a second output and... Biosense Webster israel Ltd

10/05/17 / #20170281031

Mapping of atrial fibrillation

Electroanatomic mapping is carried out by inserting a multi-electrode probe into a heart of a living subject, recording electrograms from the electrodes concurrently at respective locations in the heart, delimiting respective activation time intervals in the electrograms, generating a map of electrical propagation waves from the activation time intervals, maximizing... Biosense Webster israel Ltd

10/05/17 / #20170281268

Basket catheter structural elements

This disclosure is directed to a catheter having a basket-shaped electrode assembly at the distal end of the catheter body formed from a plurality of spines with electrodes. The basket-shaped electrode assembly structural elements at the proximal and distal ends. The structural elements may maintain the spines in a desired... Biosense Webster israel Ltd

10/05/17 / #20170288785

Linear isolation amplifier with output dc voltage cancellation

An electronic circuit includes an isolation amplifier, having a first input terminal receiving an AC-signal and including a linear opto-isolator. The opto-isolator has a first output terminal that provides a unipolar signal having an AC-component proportional to the input signal. The circuit includes a transimpedance receiver with first and second... Biosense Webster israel Ltd

09/28/17 / #20170273738

Dispersed irrigation configuration for catheter tip design

This disclosure is directed to a diagnostic catheter having an improved irrigation system for reducing thrombus formation. The catheter may have an irrigated electrode assembly with a plurality of spines, each with a plurality of irrigation ports to flush the device and reduce the risk of thrombus formation.... Biosense Webster israel Ltd

Patent Packs
09/21/17 / #20170265812

Asymmetric basket catheter

This disclosure is directed to a catheter having an asymmetric basket-shaped electrode assembly at the distal end of the catheter body formed from a plurality of spines with electrodes. The plurality of spines are radially distributed across a first circumferential portion. One or more counter spines are radially distributed across... Biosense Webster israel Ltd

09/21/17 / #20170265926

Identification and visualization of gaps between cardiac ablation sites

A method includes receiving locations of multiple ablation sites formed on a surface of a heart. Distances are measured among at least some of the ablation sites based on the locations. One or more gaps between the ablation sites, which meet an alerting criterion, are identified. The identified gaps are... Biosense Webster israel Ltd

09/14/17 / #20170258530

Magnetic resonance thermometry during ablation

Thermography of an ablation site is carried out by navigating a probe into contact with target tissue in the heart, obtaining a first position of a position sensor in the probe and acquiring a first magnetic resonance thermometry image of the target tissue. The method is further carried out during... Biosense Webster israel Ltd

08/31/17 / #20170245980

Pressure changer for a breast implant

Apparatus, including an enclosure, a fluid-tight bag located within the enclosure, and a fluid-tight valve connected to the fluid-tight bag. The apparatus also has a tube, having a first end connected to the fluid-tight bag via the fluid-tight valve, and a second end connected to a balloon within a breast... Biosense Webster israel Ltd

08/17/17 / #20170231517

System and visualizing electrophysiology data

A method and system for visualization of electrophysiology information sensed by electrodes on a catheter, includes recording times of electrode signal acquisition, designating a reference electrode signal acquisition, assigning a relative time to each recorded time of electrode signal acquisition relative to the reference electrode signal acquisition, identifying the electrodes... Biosense Webster israel Ltd

08/17/17 / #20170236311

Interpolation of dynamic three-dimensional maps

A method, including acquiring initial signals from selected positions in a heart, computing respective initial local values of a signal propagation metric at the selected positions, and interpolating the initial local values between the selected positions to compute initial interpolated values of the signal propagation metric at intermediate positions, between... Biosense Webster israel Ltd

08/10/17 / #20170224237

Catheter spine assembly with closely-spaced bipole microelectrodes

An electrophysiologic catheter with a distal electrode assembly carrying very closely-spaced bipole microelectrodes on a plurality of divergent spines that can flexibly spread over tissue surface area minimized detection of undesirable noise, including far-field signals. Each spine has a flexible microelectrode panel having a substrate, at least one pair of... Biosense Webster israel Ltd

08/03/17 / #20170215817

Detection and display of irregular periodic wave forms

A method for display, consisting of acquiring an electrical signal from a heart of a subject over multiple heart cycles. The electrical signal is partitioned into a succession of synchronized segments having respective start times at a selected annotation point in the heart cycles. The method includes overlaying respective graphical... Biosense Webster israel Ltd

08/03/17 / #20170215954

Catheter for treatment of atrial flutter having single action dual deflection mechanism

A catheter and method for the treatment of a patient having atrial flutter or other arrhythmia comprises an elongated catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough. Further it has a distal tip section comprising a flexible tubing having a proximal... Biosense Webster israel Ltd

08/03/17 / #20170215956

Catheter with flow balancing valve

A catheter has at least two irrigated ablation electrodes and a coaxial irrigation tubing to transport fluid to the electrodes by separate and dedicated flow paths. A valve is used to control flow of fluid into the coaxial irrigation tubing by means of a plunger assembly that allows fluid to... Biosense Webster israel Ltd

08/03/17 / #20170221254

High definition coloring of heart chambers

A 3-dimensional image is displayed in high resolution colors by generating a 3-dimensional model as a triangular mesh, converting the mesh into a grid of voxels, and assigning attribute values to a portion of the voxels. Laplacian interpolation based on the portion of the voxels is applied for iteratively calculating... Biosense Webster israel Ltd

07/27/17 / #20170209208

Temperature controlled short duration ablation

A method, including selecting a first maximum radiofrequency (RF) power to be delivered by an electrode within a range of 70W-100W, and selecting a second maximum RF power to be delivered by the electrode within a range of 20W-60W. The method also includes selecting an allowable force on the electrode... Biosense Webster israel Ltd

07/27/17 / #20170209209

Temperature controlled short duration ablation

A method, including selecting a first maximum radiofrequency (RF) power to be delivered by an electrode within a range of 70 W-100 W, and selecting a second maximum RF power to be delivered by the electrode within a range of 20 W-60 W. The method also includes selecting an allowable... Biosense Webster israel Ltd

07/27/17 / #20170209210

Temperature controlled short duration ablation

A method, including selecting a first maximum radiofrequency (RF) power to be delivered by an electrode within a range of 70 W-100 W, and selecting a second maximum RF power to be delivered by the electrode within a range of 20 W-60 W. The method also includes selecting an allowable... Biosense Webster israel Ltd

07/27/17 / #20170209211

Temperature controlled short duration ablation

A method, including selecting a first maximum radiofrequency (RF) power to be delivered by an electrode within a range of 70 W-100 W, and selecting a second maximum RF power to be delivered by the electrode within a range of 20 W-60 W. The method also includes selecting an allowable... Biosense Webster israel Ltd

Patent Packs
07/20/17 / #20170202470

Region of interest focal source detection using comparisons of r-s wave magnitudes and lats of rs complexes

A system and method of identifying focal sources is presented. The method can comprise detecting, via sensors, electro-cardiogram (ECG) signals over time, each ECG signal detected via one of the sensors having a location in a heart and indicating electrical activity of the heart, each signal comprising at least an... Biosense Webster israel Ltd

07/20/17 / #20170202471

Region of interest focal source detection

A method of atrial focal source detection is provided which includes detecting, via sensors, electro-cardiogram (ECG) signals over time. Each ECG signal is detected via one of the sensors and indicates electrical activity of a heart. The method also includes determining, for each ECG signal, local activation times (LATs) each... Biosense Webster israel Ltd

07/20/17 / #20170202472

Non-overlapping loop-type or spline-type catheter to determine activation source direction and activation source type

A catheter may be adapted to map a chamber of the heart. The catheter may include a magnetic and/or ultrasound sensor for navigation. The body of the catheter may be pliable and configured to form a predetermined shape upon exiting a catheter sheath. Upon exiting the catheter sheath, the catheter... Biosense Webster israel Ltd

07/20/17 / #20170202515

Region of interest rotational activity pattern detection

A method of atrial rotational activity pattern (RAP) source detection is provided which includes detecting, via a plurality of sensors, electro-cardiogram (ECG) signals over time, each ECG signal detected via one of the plurality of sensors and indicating electrical activity of a heart. The method also includes determining, for each... Biosense Webster israel Ltd

07/20/17 / #20170202516

Identification of fractionated signals

A system and method of determining regions of interest for heart ablation using fractionation. The method can comprise detecting, via sensors, electro-cardiogram (ECG) signals, each ECG signal detected via one of the sensors and indicating electrical activity of a heart, determining, for each of the ECG signals, activation times (LATs)... Biosense Webster israel Ltd

07/20/17 / #20170202521

Overall detecting regions of interest

A method of determining target heart ablation regions is provided which includes detecting electro-cardiogram (ECG) signals each indicating an electrical activity of a heart over time and determining, for each of the ECG signals, local activation times (LATs) each indicating a time of electrical activation for an area the heart.... Biosense Webster israel Ltd

07/13/17 / #20170196536

Tissue depth estimation using gated ultrasound and force measurements

A method for estimating a thickness of tissue includes receiving multiple measurements, each measurement indicating (i) a respective mechanical pressure applied to the tissue, and (ii) one or more round-trip propagation times of an ultrasound wave traversing the tissue in the presence of the respective mechanical pressure. A set of... Biosense Webster israel Ltd

07/06/17 / #20170189103

Catheter with flow diverter and force sensor

A catheter probe comprises an insertion tube, and a distal end with a distal electrode, a force sensor to detect force on the distal electrode, and an irrigated electrode mounted on a coupling member of the force sensor, which has a tubular form surrounding a central space occupied by components,... Biosense Webster israel Ltd

07/06/17 / #20170189122

Adjustable tracking sensor suitable for different rigid tools

Apparatus, including a rigid gripper configured to fasten around a cylindrical object. The apparatus further includes a pair of conductors attached to the gripper so as to make contact with one another, while the gripper is fastened around the cylindrical object, at a location along a length of the conductors... Biosense Webster israel Ltd

07/06/17 / #20170189123

Optical registration of rotary sinuplasty cutter

A surgical apparatus includes a rotatable shaft and a hollow insertion tube. The shaft includes at least one optical marker located thereon. The insertion tube is configured for insertion into a patient body, and is coaxially disposed around the shaft. One or more optical devices are coupled around an inner... Biosense Webster israel Ltd

07/06/17 / #20170189134

Method for mapping ventricular/atrial premature beats during sinus rhythm

While detecting a cardiac arrhythmia, a mapping electrode of a probe is used to associate a local activation time with a first location in a region of interest in the heart. While detecting an absence of the cardiac arrhythmia, the local activation time is associated with a second location in... Biosense Webster israel Ltd

07/06/17 / #20170191904

Status of an irrigation pump

A pump, including a compression compartment configured to receive, between first and second sides of the compartment, a flexible container holding a fluid and having an outlet; The pump also has a pump mechanism that is coupled to drive the first and second sides of the compartment together so as... Biosense Webster israel Ltd

06/29/17 / #20170181653

Multi-layered catheter shaft construction with embedded single axial sensors, and related methods

A catheter is provided with improved position and/or location sensing with the use of single axis sensors that are mounted directly along a length or portion of the catheter whose position/location is of interest. The magnetic based, single axis sensors are provided on a single axis sensor (SAS) assembly, which... Biosense Webster israel Ltd

06/29/17 / #20170181706

Catheter frame pieces used as large single axis sensors

Catheterization of the heart is carried out using a framework formed by a plurality of electrically conducting wire loops. The wire loops are modeled as polygons, each subdivided into a plurality of triangles. The wire loops are exposed to magnetic fluxes at respective frequencies, and signals read from the loops.... Biosense Webster israel Ltd

06/29/17 / #20170181787

Estimating a temperature during ablation

Described embodiments include an apparatus that includes an electrical interface and a processor. The processor is configured to receive, via the electrical interface, a temperature sensed by a temperature sensor at a distal end of an intrabody probe, to estimate a temperature of tissue of a subject, based on the... Biosense Webster israel Ltd

06/29/17 / #20170181794

Estimating a temperature during ablation

A method for use with an intra-body probe, a distal end of which includes an ablation electrode and a temperature sensor, is described. While (i) the ablation electrode is driving an ablating current into tissue of a subject, and (ii) fluid is passed from the distal end of the intra-body... Biosense Webster israel Ltd

06/29/17 / #20170185702

Global mapping catheter contact optimization

Cardiac catheterization is carried out by constructing a left atrial model of a heart of a living subject, selecting a global catheter that is dimensioned to conform to the left atrial model, representing the catheter in the left atrial model; extending the length axis of the catheter in the left... Biosense Webster israel Ltd

06/22/17 / #20170172442

Basket catheter with far-field electrode

Cardiac catheterization is performed with a catheter having a basket-shaped assembly at its distal end. A plurality of spline electrodes are disposed on the splines of the assembly. The assembly is configurable in an expanded arrangement wherein the splines bow radially outwardly and in a collapsed arrangement, wherein the splines... Biosense Webster israel Ltd

06/22/17 / #20170172455

Sheath visualization method by means of impedance localization and magnetic information

Catheterization is carried out by inserting a sheath into a human patient and moving a catheter having an electrode through the sheath lumen. A variation between a first threshold value and a second threshold value in electrical current through the electrode is identified. Responsively to the variation, it is reported... Biosense Webster israel Ltd

06/22/17 / #20170172456

Ascertaining a position and orientation for visualizing a tool

While a catheter that includes (i) a catheter body, and (ii) a catheter shaft, which includes a sensor and which is disposed inside a lumen of the catheter body, is inside a body of a subject, a position and an orientation of a distal end of the catheter body with... Biosense Webster israel Ltd

06/22/17 / #20170172457

Registration between coordinate systems for visualizing a tool

While a catheter that includes (i) a catheter body, and (ii) a catheter shaft, which includes a sensor and which is disposed inside a lumen of the catheter body, is inside a body of a subject, a coordinate system of the sensor is registered with a coordinate system of an... Biosense Webster israel Ltd

06/22/17 / #20170172617

Valve treatment by injection

A method for treating a valve of a heart of a subject is provided. The method includes inserting a needle into the heart, and, using the needle, injecting a soft-tissue-filling material into an annulus of the valve. Other embodiments are also described.... Biosense Webster israel Ltd

06/22/17 / #20170172652

Connectors having three-dimensional surfaces

Apparatus and methods are described, including apparatus that includes a connector. The connector includes a connector body including at least one mating surface having a first longitudinal end, and a second longitudinal end that is narrower than the first longitudinal end. A plurality of electrically-conductive terminals are coupled to the... Biosense Webster israel Ltd

06/22/17 / #20170172666

Using force sensor to give angle of ultrasound beam

Catheterization is carried out by inserting a probe into a cavity in a body of a subject. The probe has a contact force, a transmitter, a receiver, and an ultrasound transducer in its distal segment, After navigating the probe into contact with a target in a wall of the cavity,... Biosense Webster israel Ltd

06/22/17 / #20170172726

Colored silicone for implant safety

An implantable device includes a hollow biocompatible shell and filling material. The shell is configured to be implanted in an organ of a patient. The filling material is configured to fill the shell so as to assume a specified shape of the implantable device, and is visually distinguished from tissue... Biosense Webster israel Ltd

06/22/17 / #20170179631

Preventing unwanted contact between terminals

Apparatus and methods are described, including apparatus that includes a male-connector body comprising at least one mating surface, and shaped to define a hollow core. A plurality of electrically-conductive male-connector terminals are coupled to the mating surface of the male-connector body. A longitudinal insert is configured to, by moving inside... Biosense Webster israel Ltd








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