Abstract: A system for simulating surgical methods includes a method for thorax simulation modelling. The thorax simulation modeling is generally useful in facilitating the development and optimization of person specific surgical methods and materials.

Abstract: The present disclosure relates to a method for controlling a magnetic resonance imaging guided radiation therapy apparatus comprising a magnetic resonance imaging system.

Abstract: The ultrasonic diagnostic apparatus according to the present embodiment includes processing circuitry. The processing circuitry is configured to determine a scan region of an ultrasonic wave according to a scan target. The processing circuitry is configured to set a pulse repetition frequency for each raster of rasters so as to correspond to the scan region. The processing circuitry is configured to control a scan performance according to the pulse repetition frequency.

Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.

Abstract: In a magnetic resonance examination system, the patient carrier is mounted moveably in a direction transverse to the support surface and an RF antenna has a fixed geometrical relation to the support surface.

Abstract: An ultrasonic apparatus (100) for creating a holographic ultrasound field (1) comprises an ultrasound source device (10) being adapted for creating an ultrasound wave, and a transmission hologram device (20) having a transmission hologram (21) and an exposed acoustic emitter surface (22), said transmission hologram device (20) being acoustically coupled with the ultrasound source device (10) and being arranged for transmitting the ultrasound wave through the acoustic emitter surface (22) and creating the holographic ultrasound field in a surrounding space, wherein the acoustic emitter surface (22) is a smooth surface which do not influence the field distribution of the ultrasound wave. Furthermore, a method of creating a holographic ultrasound field in an object (3), wherein the ultrasonic apparatus (100) is used, and applications of the ultrasonic apparatus (100) are described.

Abstract: An external ultrasound generating treating device (12) to induce spinal cord and/or spinal nerve treatment comprises at least two sub-arrays of ultrasound generating treatment transducers, a left sub-array (20iL) being located on a left lateral side and a right sub-array (20iR) being located on a right lateral side of the central longitudinal axis (Ai). The device comprises a support structure (32) having at least one module (34i) comprising a left lateral section (34iL) and a right lateral section (34iR). The support structure (32) maintains, in use of the device, a constant distance and a constant relative angular orientation around the central longitudinal axis (Ai) between the first left and first right treatment transducers or set of treatment transducers (20iL, 20iR). Also disclosed is an apparatus including the external ultrasound generating treating device (12) and methods of its use.

Abstract: An ultrasound deep brain stimulation method and system, the ultrasound deep brain stimulation method comprises: medically imaging a head of an animal or a human being, to generate image data; creating a head 3D digital model according to the image data; creating a 3D digital model of an ultrasound transducer array according to structure, density and acoustic parameters information of the ultrasound transducer array; generating a first ultrasound transmitting sequence according to the head 3D digital model, the 3D digital model of the ultrasound transducer array, structure, density and acoustic parameters of the skull and brain tissues, and structure, density and acoustic parameters of the ultrasound transducer array; and controlling the ultrasound transducer array to transmit ultrasound waves in accordance with the first ultrasound transmitting sequence, to implement ultrasound deep brain stimulation to the brain nucleus to be stimulated.

Abstract: An apparatus and method that uses shape sensing and imaging to record, display and enable return to an imaging probe location or to predetermined imaging parameters. The apparatus includes an ultrasound probe (104, 304, 404, 750); a shape-sensing-device (SSD) (102, 302, 602, 740) associated with the ultrasound probe; and a controller (122, 710). The controller may be configured to: determine at least one of location and orientation of the ultrasound probe based upon position sensor information (PSI) received from the SSD; select a view of a plurality of views of a workflow that are stored in the memory; obtain view setting information (VSI) including parameters and a position and/or orientation of the ultrasound probe for each of the views; determine guidance information; and render the determined guidance information on the rendering device and set ultrasound probe parameters based on the parameters of the VSI for the selected view.

Abstract: An ultrasound diagnostic apparatus generates an ultrasound image based on an ultrasound signal acquired by an ultrasound probe having an ultrasound transducer. The ultrasound transducer transmits an ultrasound wave to an observation target and receives the ultrasound wave reflected from the observation target.

Abstract: A biopsy imaging rod (100) includes an elongated rod member (200) having a sharp distal end (210) and a channel extending from a proximal end to an egress port (220) near the distal end, and it also includes an onboard biopsy marker (400) positioned in the channel proximal to the egress port. The biopsy imaging rod also includes a pushrod (300) slideably positioned in the channel adjacent to the biopsy marker extending from the proximal end of the elongated rod member to the egress port, the pushrod biased to bend toward the biopsy marker. The biopsy imaging rod may additionally include an imageable portion between the distal end and the egress port. Methods for making and using the biopsy imaging rod are also disclosed.

Abstract: A computer-implemented method for personalized assessment of patients with acute coronary syndrome (ACS) includes extracting (i) patient-specific coronary geometry data from one or more medical images of a patient; (ii) a plurality of features of a patient-specific coronary arterial tree based on the patient-specific coronary geometry data; and (iii) a plurality of ACS-related features from additional patient measurement data. A surrogate model is used to predict patient-specific hemodynamic measures of interest related to ACS based on the plurality of features of the patient-specific coronary arterial tree and the plurality of ACS-related features from the additional patient measurement data.

Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.

Abstract: In one aspect, a method comprises: receiving data indicative of at least one phase image captured using a magnetic resonance imaging (MRI) device during delivery of thermal therapy by a thermal therapy applicator to a target volume within a patient's body; and processing said at least one phase image; wherein said processing said at least one phase image comprises: applying a first mask; applying phase unwrap; and applying a second mask.

Abstract: An obturator assembly includes an obturator at least partially positionable within a lumen of a device. The obturator has a distal end with a tip portion and an opposing proximal end. A sensor assembly is at the tip portion. The sensor assembly is configured to sense one or more environmental characteristics and to generate one or more signals representative of the one or more environmental characteristics. A hub is operatively coupled to the obturator. The hub is also operatively coupled to electronic circuitry that is coupled in signal communication with the sensor assembly. In certain embodiments, the electronic circuitry is configured to receive the one or more signals from the sensor assembly and transmit the one or more signals to remote reception circuitry and/or display a datum representative of the one or more environmental characteristics on a display of the hub.

Abstract: A method for imaging may include directing a PET scanner to perform scans of a subject injected with a tracer during a first time period. The method may also include generating PET images by reconstructing the PET data that are generated by the PET scanner based on the scans of the subject. The method may also include determining a first portion of a blood input function of the tracer in the subject based on the PET images. The method may also include determining an integral of a second portion of the blood input function based on a kinetic model, the PET data, and the first portion of the blood input function. The method may also include determining kinetic parameters of the kinetic model based on the PET data, the first portion of the blood input function, and the integral of the second portion of the blood input function.

Abstract: A method is for generating a result image using a tomosynthesis device including a plurality of stationary X-ray sources. In an embodiment, the method includes detecting at least one faulty X-ray source among the plurality of stationary X-ray sources; adapting a reconstruction to compensate for the faulty X-ray source; and generating the result image using the reconstruction adapted.

Abstract: A multimodality system includes first and second modalities, a catheter, and a processor. The catheter collects fluorescent light from a plurality of locations of a sample which has been irradiated with excitation light of the second modality; a detector detects intensity of the fluorescent light received from the plurality of locations as a function of an angle ? formed between the normal to the sample surface and the optical axis of the excitation light. A processor calculates the angle ? at each of the plurality of locations based on radiation of the first modality incident on the sample, and corrects the intensity of the detected fluorescent light using a calibration factor g(?). The calibration factor g(?) is a function of the angle ? calculated at two or more of the plurality of locations. The angle ? is composed of a transversal angle ?t and an axial angle ?a.

Abstract: The present invention relates to a device (1) for fractional flow reserve determination. The device (1) comprises a model generator (10) configured to generate a three-dimensional model (3DM) of a portion of an imaged vascular vessel tree (VVT) surrounding a stenosed vessel segment (SVS), based on a partial segmentation of the imaged vascular vessel tree (VVT). Further, the device comprises an image processor (20) configured to calculate a blood flow (Q) through the stenosed vessel segment (SVS) based on an analysis of a time-series of X-ray images of the vascular vessel tree (VVT). Still further, the device comprises a fractional-flow-reserve determiner (30) configured to determine a fractional flow reserve (FFR) based on the three-dimensional model (3DM) and the calculated blood flow.

Abstract: A histotripsy therapy system configured for the treatment of brain tissue is provided, which may include any number of features. In one embodiment, the system includes an ultrasound therapy transducer, a drainage catheter, and a plurality of piezoelectric sensors disposed in the drainage catheter. The ultrasound therapy is configured to transmit ultrasound pulses into the brain to generate cavitation that liquefies a target tissue in the brain. The drainage catheter is configured to detect the ultrasound pulses. An aberration correction algorithm can be executed by the system based on the ultrasound pulses measured by the drainage catheter to automatically correct for an aberration effect caused by the ultrasound pulses passing through a skullcap of the patient.