Abstract: A method for selecting an implantation position of a pacing electrode of a pacing lead within an anatomical region of a body, comprising measuring values of at least one parameter of an anatomical region surrounding the pacing lead in at least one location. The method also comprises delivering an electric field to a tissue of the anatomical region, and measuring values of at least one parameter of the tissue surrounding the pacing lead in the at least one location after said delivering. The method further comprises determining changes in said measured values before and after said delivering and selecting an implantation position for the pacing electrode based on said determined changes.

Abstract: An N-M tomography system comprising: a carrier for the subject of an examination procedure; a plurality of detector heads; a carrier for the detector heads; and a detector positioning arrangement operable to position the detector heads during performance of a scan without interference or collision between adjacent detector heads to establish a variable bore size and configuration for the examination. Additionally, collimated detectors providing variable spatial resolution for SPECT imaging and which can also be used for PET imaging, whereby one set of detectors can be selectably used for either modality, or for both simultaneously.

Abstract: An N-M tomography system comprising: a carrier for the subject of an examination procedure; a plurality of detector heads; a carrier for the detector heads; and a detector positioning arrangement operable to position the detector heads during performance of a scan without interference or collision between adjacent detector heads to establish a variable bore size and configuration for the examination. Additionally, collimated detectors providing variable spatial resolution for SPECT imaging and which can also be used for PET imaging, whereby one set of detectors can be selectably used for either modality, or for both simultaneously.

Abstract: A tissue imaging method of imaging a target tissue including: providing a plurality of hardware electrodes; sending and receiving electrical signals using the plurality of hardware electrodes to produce measurement data; selecting a virtual electrode model, where each the virtual electrode includes two or more hardware electrodes; processing the measurement data using the virtual electrode model to provide a processed data output; and reconstructing an image using the processed data output.

Abstract: Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity.

Abstract: Methods and systems of computing parameter values of one or more model parameters are described. The model models structural and dielectric properties of a structure in a human or an animal body. An exemplary method includes: accessing voltage measurements made at different places in the vicinity of the structure by one or more in-body field sensing electrodes in response to currents applied to one or more field supplying electrodes; and computing the parameter values by adjusting the parameter values to fit predicted voltage values to the accessed voltage measurements, wherein the predicted voltage values are predicted from the model for the currents applied to the field supplying in-body electrodes.

Abstract: Methods and devices for tying management of an implantable medical device to the activities of a primary care physician are described, including access control, simplified parameter optimization, support for tuning a device in response to the effects of other treatments in parallel, and support for helping a primary physician and a patient work together to tune device configuration to the activity and performance needs of the patient. In some embodiments, a medical device is self-configuring in a device parameter domain, based on inputs provided in a patient performance domain. The self-configuring of the medical device is based, for example, on an automatically applied transformation of inputs derived from patient performance domain observations into changes in the configuration of the medical device which affect technical parameters of its operation.

Abstract: A method of performing conductivity-based imaging is disclosed comprising exciting at least one pair of electrodes according to an excitation scheme. The at least one pair of electrodes comprising a surface electrode located on the surface of an examined body and at least one in-body electrode located inside of the examined living body. Voltages developing on the surface electrodes and on the in-body electrodes during the excitation according to the excitation scheme arc measured, an inverse problem is solved to achieve a 3D conductivity map from the measured voltages, and a 3D image of the body tissues based on the 3D conductivity map is provided.

Abstract: A method of evaluating electrical impedance across a gap between a first catheter electrode and a second catheter electrode, both carried on a same catheter is provided. The method includes: receiving measurements of electrical voltages; and evaluating the electrical impedance across the gap based on the measurements of the electrical voltages. In some embodiments, the electrical voltages include: a first electrical voltage, which is a voltage measured between a reference electrode and the first catheter electrode measured under a first alternating electrical current having a first frequency and flowing through a conductor from an electrical source to the first catheter electrode, and a second electrical voltage, which is a voltage measured between the reference electrode and the second catheter electrode under the first alternating electrical current.

Abstract: Systems and method for remote field measurement-based mapping of anatomical structures (e.g., using impedance image of electrical fields) are described. In some embodiments, an image of features within a target region is produced by analysis of a spatial pattern of field measurements made in a measurement region remote from the target region features; for example, but not exclusively, by treating the spatial arrangement of field measurements in some portion of the measurement region as indicating the spatial (e.g., angular and/or distance) arrangement of features (e.g., anatomical structure of topography and/or tissue type) in the target region.

Abstract: A method for measuring tissue conductance isotropy including measuring tissue conductance in a first direction, measuring tissue conductance in a second direction, and calculating tissue conductance isotropy based on the tissue conductance in the first direction and the tissue conductance in the second direction, wherein the second direction is not parallel to the first direction. A system for measuring tissue conductance isotropy including a catheter including a current source electrode, a plurality of induced voltage measuring electrodes, a signal processing unit for calculating tissue conductance isotropy based on tissue conductance measured in a first direction and tissue conductance measured in a second direction. Related apparatus, methods and computer program product are also described.

Abstract: An N-M tomography system comprising: a carrier for the subject of an examination procedure; a plurality of detector heads; a carrier for the detector heads; and a detector positioning arrangement operable to position the detector heads during performance of a scan without interference or collision between adjacent detector heads to establish a variable bore size and configuration for the examination. Additionally, collimated detectors providing variable spatial resolution for SPECT imaging and which can also be used for PET imaging, whereby one set of detectors can be selectably used for either modality, or for both simultaneously.

Abstract: A method for reconstructing a radioactive emission image of an overall volume having first and second volumetric regions, each volumetric region having respectively independent dynamic characteristics. The method comprises the following steps: a) obtaining radioactive emissions from the overall volume, including the volumetric regions, b) reconstructing an initial radioactive emission image of the volumetric region according to the radioactive emissions, c) segmenting the initial radioactive emission image to delineate the first and second volumetric regions, and d) separately reconstructing the first and the second volumetric regions according to the respectively independent dynamic characteristics.

Abstract: A method of generating a combined image of a body part from a sequence of partially overlapping source images of the body part, each of the partially overlapping source images showing the body part at one of a plurality of different times, the source images being ordered in the sequence according to the different times, the method including defining a temporally coherent sequence of transformations, for registering the partially overlapping source images in the sequence with each other, registering the source images to each other using the defined temporally coherent sequence of transformations, to obtain co-registered images, and combining at least some of the co-registered images into a combined image. Related apparatus and methods are also described.

Abstract: A method of guiding a cardiac treatment using a functional imaging modality, comprising: providing functional imaging modality data from a functional imaging modality which images an intrabody volume of a patient containing a heart, the patient having been injected with an imaging agent having a nervous tissue uptake by an autonomic nervous system (ANS) of the heart, the ANS comprising at least one GP; locating the at least one GP innervating the heart based on the functional imaging modality data; and providing the located at least one GP.

Abstract: Electrical field imaging is performed using optionally any of a range of medical implements having a designated medical use (e.g., having a working portion for manipulating tissue); and furthermore supplied with at least one electrode that is used to transmit and/or receive an electrical field which interacts with the dielectric properties of tissue. In some embodiments, the at least one electrode is supplied as an add-on assembly, optionally as part of a kit including the medical implement.

Abstract: There is provided a computer implemented method of providing a client terminal with instructions for treatment of at least a portion of an organ of a patient, the method comprising: receiving electrical readings obtained by electrodes located within the portion of the organ, identifying by at least one classifier instructions for treatment of a region in the portion of the organ identified as an intervention target region, wherein the classifier identifies the instructions for treatment of the region based on electrical readings or a transformation thereof previously associated with treatment of intervention target regions in the portion of the organ of other patients, and marking on an image of the portion of the organ presented on a display, the instruction for treatment of the region identified by the classifier as an intervention target region.