Abstract: A surgical navigation system comprises a computer system, a tracking system and a projector. The computer system includes instructions for performing a surgical plan. The tracking system is electronically connected to the computer system and has a viewing area in which markers can be located within a three-dimensional space relative to the viewing area. The projector is electronically connected to the computer system and has a beam projectable into the viewing area to display a step of the surgical plan based on a location of a marker. A method for guiding a surgical instrument comprises tracking a surgical instrument within a three-dimensional space using a computer-operated tracking system, matching the surgical instrument to a step in a surgical plan for conducting the surgical procedure using the surgical instrument, and projecting a visual instruction into the three-dimensional space for the step in the surgical plan related to the instrument.

Abstract: Provided is an ultrasound diagnosis apparatus including a probe configured to transmit a plurality of plane waves at a plurality of steering angles and a controller configured to determine the plurality of plane waves so that a grating lobe of a synthetic transmit focusing beam pattern using the plurality of plane waves is located outside a region of interest.

Abstract: The present invention relates to an in vivo radiation amount measuring instrument. An in vivo radiation amount measuring instrument according to the present invention comprises: a main body elongated along an in vivo inserting direction and capable of supplying a fluid; an expanding part having at least a portion thereof fixed or connected to the main body and capable of being expanded and contracted by means of the outflow/inflow of the fluid; and a radiation measuring part disposed on the expanding part and measuring the amount of surface radiation distribution on in vivo tissue which the expanding part contacts by expanding.

Abstract: A lesion tracking system (10) includes a data interface (12), a computation engine (18), and a visualization engine (26). The data interface (12) is configured to receive an identification (44) and measurements (56) of at least one target lesion (42), which includes at least one undetermined target lesion (52) according to a plurality of determined categories (54), and each undetermined target lesion (52) is quantified differently according to each of the plurality of determined categories (54). The computation engine (18) is configured to compute a range of quantified measurements according to each determined category for each undetermined target lesion (52), and to compute a quantified total range (70) for the at least one target lesion based on a quantified measurement (62) for each determined target lesion and the computed range for each of the at least one undetermined target lesion.

Abstract: Techniques for modulating peripheral nerves using focused ultrasound (FUS) are provided. Methods include locating a peripheral nerve in a subject using an imaging probe, providing a FUS having one or more ultrasound parameters to a location on the peripheral nerve, and modulating the peripheral nerve. The methods can further include eliciting and measuring a physiological response from the FUS modulation, generating tissue deformation in the vicinity of the FUS modulation, and imaging the nerve and the tissue deformation simultaneously with FUS modulation. Systems for use in the modulation of peripheral nerves are also provided.

Abstract: Techniques for modulating peripheral nerves using focused ultrasound (FUS) are provided. Methods include locating a peripheral nerve in a subject using an imaging probe, providing a FUS having one or more ultrasound parameters to a location on the peripheral nerve, and modulating the peripheral nerve. The methods can further include eliciting and measuring a physiological response from the FUS modulation, generating tissue deformation in the vicinity of the FUS modulation, and imaging the nerve and the tissue deformation simultaneously with FUS modulation. Systems for use in the modulation of peripheral nerves are also provided.

Abstract: An ultra-wideband (UWB) radar system for non-invasive, real-time tumor tracking includes an UWB transmitter arranged to transmit radar pulses to penetrate a region of interest of a patient; an UWB receiver arranged to receive radar return pulses after being reflected by tumor tissue in the region of interest of the patient; and an UWB signal processor constructed to communicate with the UWB receiver, wherein the UWB transmitter and the UWB receiver are constructed to be arranged sufficiently far away from the patient so as to avoid interfering with radiation treatment of the tumor.

Abstract: To provide a photoacoustic probe capable of acquiring subject information for reducing generation of artifacts without increasing the number of wires connected to the outside. Provided is a probe including a plurality of ultrasonic transducers, wherein the ultrasonic transducers are divided into a plurality of groups, two adjoining ultrasonic transducers belong to different groups, and the probe includes a group selection unit configured to switch signals of the ultrasonic transducers to be outputtable for each of the groups.

Abstract: An imaging fiducial marker includes a plurality of marker structures and a connection structure that linearly, curvilinearly, or angly, affixes the plurality of marker structures. The imaging fiducial marker is formed from materials having at least two different radiopacities. Each different radiopacity is separately distinguishable during medical imaging, and the connection structure is distinguishable from the plurality of marker structures during medical imaging. The imaging fiducial marker is arranged for implantation in vivo within soft tissue. Deploying the imaging fiducial marker includes identifying a soft tissue area in a patient's body where the marker will be placed in vivo and deploying the marker in the identified soft tissue area.

Abstract: A method for navigating therapeutic, diagnostic or imaging agents in a vascular network or body cavity is introduced. The method is characterized by high directional gradients and a high magnetic field strength. The latter is used to saturate the magnetization of magnetic therapeutic agents such that when combined with high directional gradients, improved navigation of the magnetic therapeutic agents can be provided at various depths within a patient's body.

Abstract: A system for image alignment includes an alignment mechanism (132) configured to permit user alignment of images. A first imaging modality (110) is configured to concurrently provide images in two imaging planes using an imaging mechanism (134) associated with the alignment mechanism (132). An image processing module (126) is configured to display first images collected with the first imaging modality and second images collected with a second imaging modality (130) to permit user alignment using the alignment mechanism between the first images and the second images in multiple planes. A registration module (115) is stored in memory and configured to register the first images with corresponding second images in the multiple planes when alignment in the multiple planes has been achieved.

Abstract: Systems are provided for the arrangement of decoupled electric and acoustic modules for a transducer array of an ultrasound probe. In one embodiment, the decoupled modules are independently coupled to a flex interconnect, apart from one another, allowing for electric communication between all modules through the flex interconnect. As one example, an ultrasound transducer array for an ultrasound probe comprises an acoustic backing, a flex interconnect coupled to the backing at a first surface of the flex interconnect, a matrix acoustic array coupled to a second surface of the flex interconnect, the second surface opposite the first surface, and an electric module coupled to the second surface of the flex interconnect at a location spaced away from where the matrix acoustic array is coupled to the flex interconnect.

Abstract: For characterizing spatial-temporal dynamics of a medium (1) excitable for deformation, an elastic model of the medium is defined. The medium is imaged at consecutive points in time to obtain a series of images. Shifts of structures of the medium (1) between the images of the series are determined. A dynamic description of a temporal development of spatial deformations of a predefined elastic model of the medium (1) is adapted to match the shifts of the structures; and temporal developments of rate of deformation patterns in the medium (1) are identified from the dynamic description.

Abstract: A registration apparatus registers an elongated introduction element (18), like a catheter or a needle, during an interventional procedure, for instance, a brachytherapy or a biopsy. A guide element (13) includes at least one opening which guides the introduction element when being introduced into a living being (2) through the opening. A temperature profile generation element (14) associated with the opening generates a characteristic temperature profile at the opening for being transferred to the introduction element when being present in the opening. A temperature determination unit (15) determines a temperature along the introduction element, and a registration unit (16) registers the introduction element. The registering includes identifying the transferred characteristic temperature profile on the introduction element based on the determined temperature. This allows the registration unit to register the introduction element during the introduction process in a simple and efficient manner.

Abstract: Devices for localizing an intracerebral hematoma or blood mass in brain tissue. The devices include an elongate probe a color sensors and a light emitter on the distal end of the probe. The color sensors produce a signal corresponding to the color of light reflected into the color sensors. A display is provided to indicate the color detected.

Abstract: The present disclosure relates to systems and methods for extracting a vessel of a lower limb. The methods may include obtaining an original image including a plurality of image data, in some embodiments, each of the plurality of image data may correspond to a pixel (or a voxel), the plurality of image data may include a target data set, the target data set may represent a first structure; extracting a first reference data set from the plurality of image data, in some embodiments, the first reference data set may include the target data set and a second reference data set, the second reference data set may include data of a second structure; extracting the second reference data set from the plurality of image data; and obtaining the target data set based on the first reference data set and the second reference data set.

Abstract: According to some aspects a system is provided comprising a low-field magnetic resonance (MR) device, at least one electrophysiological device, and at least one controller configured to operate the low-field MR device to obtain MR data and to operate the at least one electrophysiological device to obtain electrophysiological data.

Abstract: A probe has a light guide unit that guides the measurement light, an acoustic wave detection unit that detects a photoacoustic wave, and a storage unit that stores light intensity profile information that represents the light intensity profile of the measurement light emitted by the probe, and transmits a signal of the photoacoustic wave detected by the acoustic wave detection unit to the signal processing unit in a state in which the probe is mounted in the apparatus body. The apparatus body has a reading unit that reads the light intensity profile information from the storage unit, and the intensity adjusting unit adjusts the intensity of the measurement light employing the light intensity profile information read by the reading unit.

Abstract: An arrangement includes a gantry of a medical imaging device and an omnidirectional suspension for moving the arrangement relative to a support.

Abstract: A device for ultrasound-assisted reflection and transmission tomography includes a measurement volume filled with an ultrasonic coupling medium and having an opening for inserting a body to be examined and a lateral surface remote from the opening, and a number of ultrasonic transducers arranged remotely from the opening of the measurement volume, arranged in direct contact with the ultrasonic coupling medium, and arranged oriented into the measurement volume. The arrangement of the ultrasonic transducers around the measurement volume aperiodically follows a random uniform distribution.