Biosense Webster (israel) Ltd.

Biopad Ltd.

Berger Thermal Research Ltd.

A.r.t. Medical Instruments Ltd.

Biosense Webster, Inc.

Avri Hazan

Abraham Berger

Meir Bar-Tal

Daniel Osadchy

Alaa Zoubi

Yigal Ultchin

Assaf Rubissa

Avraham Berger

Ben Zion Haim

Baruch Meirovich

Jeffrey William Schultz

Jeffrey L Clark

Daniele Ghidoli

Maria Duarte

Kelvin M Chuu

Michal Rinott

Maria J Duarte

Described embodiments include a system that includes a current source generator and a processor. The processor is configured to drive the current source generator to supply, for application to tissue of a subject, an electric current having an amplitude that varies in accordance with a predefined function of time, such that the amplitude initially monotonically increases to a maximum value. Other embodiments are also described.

Using a predetermined ablation-current profile

A method, consisting of modeling physical parameters representative of a probe in proximity to body tissue during an ablation procedure performed by the probe. The method also includes measuring a subgroup of the physical parameters during a non-ablation stage of the ablation procedure so as to generate measured non-ablative values of the subgroup, and measuring the subgroup of the physical parameters during an ablation stage of the ablation procedure so as to generate measured ablative values of the subgroup. In response to the modeling, the method includes generating calculated non-ablative values of the subgroup for the non-ablation stage, and generating calculated ablative values of the subgroup for the ablation stage. The method compares the measured non-ablative values with the calculated non-ablative values, and compares the measured ablative values with the calculated ablative values, so as generate optimal values of the physical parameters.

Monitoring tissue temperature while using an irrigated catheter

Cryocatheter including an elongated flexible catheter member having a short rigid catheter tip for introduction into a therapy site and a heat exchange arrangement for freezing the catheter tip to a cryo-temperature from between about &#x2212;15&#xb0; C. to about &#x2212;30&#xb0; C. for freezing human tissue at the therapy site. Cerebral medical procedures include inter alia employing a local ice ball for sealing a bleeding rupture in an arterial wall in the case of a stroke hemorrhage, employing a local ice ball for mapping electrical disorder foci in a brain, for example, epileptic foci, and the like.

Catheter with jet impingement cooled thermoelectric module

Cryocatheter with single phase coolant fluid cooled thermoelectric module and cerebral medical procedures employing local ice ball

Systems and methods are disclosed for providing and using an irrigated ablation catheter. The catheter may include a distal shell electrode having irrigation apertures. An insert disposed within the electrode has protrusions that mate with orifices in the shell of the electrode. Each protrusion has a port communicating with at least one interior lumen in the insert and a sensor is disposed in each port. A support seals the proximal end of the electrode and engages the insert. The plurality of sensors may be used to measure electrical and thermal characteristics surrounding the electrode and may help assess contact between the electrode and tissue and/or determine movement of the electrode during ablation.

Irrigated ablation catheter with multiple sensors

Apparatus, consisting of a probe, configured to be inserted into a body cavity, and an electrode having an outer surface and an inner surface connected to the probe. The apparatus also includes a temperature sensor, protruding from the outer surface of the electrode, which is configured to measure a temperature of the body cavity.

A method for performing a medical procedure, includes, coupling a probe to tissue in an organ of a patient. Ablation energy is applied to the tissue using the probe. A model of an evolution of steam pressure in the tissue, caused by the ablation energy, as a function of time is estimated. Based on the model, an occurrence time of a steam pop event caused by the steam pressure is predicted, and the predicted occurrence time of the steam pop event is indicated to an operator.

Real-time prediction of steam-pop events during ablation

Fetal wellbeing monitoring apparatus including a generally flattened hemispherical housing and a turret-like user interface- having a user operated control panel for controlling operation of the fetal wellbeing monitoring apparatus and providing fetal wellbeing information to an expectant mother. Fetal wellbeing monitoring apparatus including a fetal motor activity sensor including a base plate with a base plate topside and a base plate underside with an elongated planar strain gauge film element defining a nominal measurement plane in a non-flexed state, and having a variable electrical property proportional to resilient elastic flexion in a transverse direction to the measurement plane on application of a bending moment and a fetal motor activity determination module for processing time varying information for determining fetal motor activity. Two-ply pad for use with the fetal wellbeing monitoring apparatus.

Fetal wellbeing monitoring apparatus and pad therefor

The present invention facilitates the detection of an occurrence of a physiological action imparting a displacement to a body part at a natural frequency signature by virtue of a bio-filter pad including a viscoelastic interior for intimate juxtapositioning against the body part, and having a mechanical resonance frequency midway in the range of the frequency signature associated with the physiological action.

Bio-filter pad for facilitating the detection of an occurrence of a physiological action and method therefor and fetal activity monitoring apparatus

A method and apparatus is provided for depositing a flattened droplet on a surface. The method includes the steps of providing a tube with a distal end that contains a microvolume of liquid, issuing an outgoing flow of displacement gas for slowly discharging substantially the entire microvolume of liquid as a droplet on the surface, and controllably blowing one or more bubbles into the droplet for flattening the droplet on the surface.

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Givataim, Israel

Avri Hazan