Abstract: A station for tomotactic-guided biopsy in prone includes a table with an aperture, and a tomosynthesis imaging system. A biopsy gun can be mounted on a stage arm assembly disposed below the table. The imaging system and stage arm assembly can be independently rotated and linearly repositioned in one or more dimensions, thereby allowing the tomotactic scan axis to be located relative to a breast being imaged.

Abstract: Intraluminal ultrasound devices, systems and methods are provided. In one embodiment, an intraluminal ultrasound device includes a flexible elongate member configured to be positioned within a body lumen of a patient, the flexible elongate member including a distal portion and a longitudinal axis; and a transducer array disposed at the distal portion of the flexible elongate member and circumferentially positioned around the longitudinal axis of the flexible elongate member. The transducer array includes a plurality of micromachined ultrasound transducers (MUTs). In addition, the transducer array is configured to obtain ultrasound imaging data of the body lumen in response to a first electrical signal, and apply an ultrasound therapy within the body lumen in response to a second electrical signal.

Abstract: Embodiments relate to integrated MRI (Magnetic Resonance Imaging) coil arrays that can be stored within a patient table when not in use. One example embodiment comprises a coil array comprising: at least one flat spine-like coil array arranged within a patient table of a MRI system; and flexible coil array(s) configured to be in a stored position within the patient table, wherein, in the stored position, the flexible coil array(s) are one of within or under the at least one flat spine-like rigid coil array, wherein the flexible coil array(s) are further configured to be in an extended position, wherein, in the extended position, the flexible coil array(s) is configured to be extracted from the patient table and to wrap around at least one anatomical region of a patient on the patient table to facilitate MRI of the at least one anatomical region.

Abstract: A radial type ultrasound transducer is arranged in an ultrasound endoscope including a bending portion on a distal end side of an insertion portion. The ultrasound transducer includes: a plurality of piezoelectric elements arranged at predetermined intervals in a circumferential manner and configured to transmit and receive ultrasound waves; a plurality of electrodes arranged in the respective piezoelectric elements; and a flexible printed circuit electrically connected to each of the electrodes. The flexible printed circuit includes a plurality of wires that extend such that at least parts of the wires cross a direction perpendicular to an arrangement direction of the piezoelectric elements, and the plurality of wires are electrically connected to the respective electrodes of the piezoelectric elements at positions where at least parts of the wires cross the direction perpendicular to the arrangement direction of the piezoelectric elements.

Abstract: A device comprises a miniature transducer having an altered backing geometry that can be placed within different casing sizes of an imaging probe device. The backing geometry extends along a longitudinal axis of the imaging probe and provides an angle (e.g., 45-degree angle) configured to reflect ultrasound and/or light waves/signals in a direction perpendicular to the longitudinal axis of the imaging probe. This design is configured to enable ultrasound and/or light waves/signals to be redirected and dampened within the transducer to preserve a suitable signal to noise ratio while minimizing the required depth of the backing.

Abstract: A method and apparatus are disclosed herein for a thermally conductive layer for transducer face temperature reduction in an ultrasound transducer assembly. In one embodiment, the ultrasound transducer assembly comprises: a transducer layer configured to emit ultrasound energy; one or more matching layers overlaying the transducer layer; a thermally conductive layer overlaying the one or more matching layers; and a lens overlaying the thermally conductive layer.

Abstract: A method of generating a model for generating a synthetic electrocardiography (ECG) signal comprises: receiving subject-specific training data for machine learning, said training data comprising a photoplethysmography (PPG) signal acquired from the subject and an ECG signal acquired from the subject, wherein the ECG signal provides a ground truth of the subject for associating the ECG signal with the PPG signal; using associated pairs of a time-series of the PPG signal and a corresponding time-series of the ECG signal as input to a deep neural network, DNN; and determining, through the DNN, a subject-specific model relating the PPG signal of the subject to the ECG signal of the subject for converting the PPG signal to a synthetic ECG signal using the subject-specific model.

Abstract: A needle electrode deployment shaft includes a central member and a plurality of needle electrodes. The central member has a plurality of needle advancement channels formed therein. The needle electrodes are disposed within the advancement channels and each advancement channel terminates in a ramp portion which deflects the needles radially outwardly as they are axially advanced. The ramps may be spirally or acutely configured in order to increase the distance through which the needles may be bent as they are axially advanced. Additionally, the central member may have a radially reduced distal tip in order to decrease tissue insertion forces.

Abstract: An ultrasonic diagnostic apparatus according to the present embodiment includes an intracavitary ultrasonic probe, a memory circuit and a generation circuit. The probe includes first piezoelectric transducers performing ultrasonic transmission/reception along a first scan plane, and second piezoelectric transducers performing ultrasonic transmission/reception along a second scan plane. The memory circuit stores first information relating to a positional relationship between a sensor position and a position of the first scan plane, and second information relating to a positional relationship between a sensor position and a position of the second scan plane.

Abstract: A combined MRI and radiotherapy apparatus comprises a radiotherapeutic source, an MRI system, a patient support, drive motors for the patient support arranged to adjust the position of the patient support while a patient is on the support, a control panel having a user-operable input interface for controlling the drive motors, and a display unit. A mounting arrangement for a display device comprises a transparent cover, a display panel held against a rear face of the cover so as to be visible through a front face of the cover, and a retaining structure for holding the display panel in place. The retaining structure comprises a chassis fixable in position relative to the cover, the chassis having at least one resilient finger extending therefrom alongside a rear face of the display panel, a part of which bears against the rear face of the display panel to resiliently urge the display panel against the rear face of the cover.

Abstract: Systems and methods are presented for monitoring brain pulsatility. A change in volume of the brain is estimated based at least in part on an output of a non-contact, surface measuring sensor (e.g., a distance sensor or a camera). A metric indicative of brain pulsatility is then calculated based at least in part on a ratio of the estimated change in volume of the brain relative to a change in arterial blood pressure.

Abstract: Embodiments discussed herein facilitate generation of a prognosis for recurrence or non-recurrence of atrial fibrillation (AF) after pulmonary vein isolation (PVI). A first set of embodiments discussed herein relates to training of a machine learning classifier to determine a prognosis for AF after PVI based on radiographic images, alone or in combination with clinical features. A second set of embodiments discussed herein relates to determination of a prognosis for a patient for AF after PVI based on radiographic images, alone or in combination with clinical features.

Abstract: An image acquisition unit acquires a plurality of projection images corresponding to a plurality of radiation source positions at the time of tomosynthesis imaging, the plurality of projection images being generated by causing an imaging apparatus to perform tomosynthesis imaging. A positional shift amount derivation unit derives a positional shift amount between the plurality of projection images based on body movement of the subject with a reference projection image generated at a radiation source position where an optical axis of the radiation emitted from the radiation source is perpendicular to a detection surface of the detection unit, among the plurality of projection images, as a reference. A reconstruction unit generates a tomographic image of at least one tomographic plane of the subject by reconstructing the plurality of projection images while correcting the positional shift amount.

Abstract: An ultrasound diagnosis apparatus includes: a two-dimensional (2D) transducer array in which a plurality of transducers that transmit/receive an ultrasound signal to/from an object are arranged in two dimensions; an analog beamformer configured to perform analog beamforming in a first direction, and perform analog beamforming in a second direction perpendicular to the first direction on signals respectively received by the plurality of transducers; and a digital beamformer configured to perform digital beamforming on the signals that are analog-beamformed in the first direction, and perform digital beamforming on the signals that are analog-beamformed in the second direction.

Abstract: The present invention discloses access devices and methods to create an access channel for introduction of one or more working devices into an anatomical region. The access channel is created using a visualization modality that is later removed before inserting one or more working devices through the access channel. This allows the methods and devices of the present invention to be used even in small sized natural or surgically created insertion tracts leading to the anatomical region. The access channel can be made of a device such as a sheath, a guidewire, and an elongate device comprising a lumen. Examples of visualization modalities are endoscopes and body insertable ultrasound imaging devices. The working devices can be used to perform a variety of diagnostic, therapeutic, or preventive procedures. Endometrial ablation devices and procedures have been used as an example to describe various aspects of the present invention.

Abstract: A system comprising a multi-modal ultrasound probe configured to operate in a plurality of operating modes associated with a respective plurality of configuration profiles; and a computing device coupled to the handheld multi-modal ultrasound probe and configured to, in response to receiving input indicating an operating mode selected by a user, cause the multi-modal ultrasound probe to operate in the selected operating mode.

Abstract: Systems and methods for increasing effective line density of volume compound ultrasound images while maintaining the frame rate, penetration depth, and other image characteristics are provided. The method includes acquiring a first lateral plane at a first elevational position. The first lateral plane includes a first set of receive lines at a first set of lateral positions. The method includes acquiring a second lateral plane at a second elevational position adjacent the first elevational position. The second lateral plane includes a second set of receive lines at a second set of lateral positions laterally offset from the first set of lateral positions. The method includes combining the first lateral plane and the second lateral plane to generate a compound image and presenting the compound image at a display system. The compound image may be a volume compound image in an A-plane generated based on volume compound imaging rendering algorithms.

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 analysis apparatus according to an embodiment includes an extraction unit, a calculation unit, and an evaluation unit. The extraction unit extracts a detection value in a tumor region, a blood region, and a muscle region from a nuclear medicine image of a subject administered with a drug containing a radiolabeled anticancer drug that works by accumulating in a tumor. The calculation unit calculates a first comparison value that is a comparison result between the detection value in the blood region and the detection value in the tumor region, and a second comparison value that is a comparison result between the detection value in the muscle region and the detection value in the tumor region. The evaluation unit evaluates an accumulation of the drug in the tumor, based on the first comparison value and the second comparison value calculated by the calculation unit.

Abstract: Ultrasound imaging systems for automatically identifying and saving ultrasound images relevant to a needle injection procedure, and associated systems and methods, are described herein. For example, an ultrasound imaging system includes a transducer for transmitting/receiving ultrasound signals during a needle injection procedure, and receive circuitry configured to convert the received ultrasound signals into ultrasound image data. The image data can be stored in a buffer memory. A processor can analyze the image data stored in the buffer memory to identify image data that depicts a specified injection event of the needle injection procedure, and the identified image data can be stored in a memory for archival purposes.