Abstract: An image guided autonomous needle insertion device including a delivery system, a path planner, an image processor, and a human machine interface. The system also includes an ultrasound probe in communication with a frame grabber, a percutaneous insertion device, and at least a first actuator for moving the percutaneous insertion device within a first degree of freedom and a second actuator for moving the percutaneous insertion device within a second degree of freedom. Each actuator has a corresponding position sensor for detecting its location with respect to a target. The system can further comprise an image processor for removing noise and segmenting the ultrasound images to highlight potential targets.

Abstract: Provided is a magnetic resonance imaging (MRI) apparatus including an acquisition unit configured to acquire an undersampled spectrum in a k-space and a reconstruction unit configured to generate a target image based on the undersampled spectrum, wherein the reconstruction unit includes: a first sub-reconstruction unit configured to perform initial reconstruction on data corresponding to unsampled positions in the k-space by using a Split Bregman algorithm or approximate sparse coding; a second sub-reconstruction unit configured to decompose the initially reconstructed spectrum in the k-space into multiple frequency bands to thereby generate a plurality of individual spectra and perform dictionary learning reconstruction on images respectively corresponding to the decomposed multiple frequency bands by alternating sparse approximation and reconstructing of measured frequencies; and an image generator configured to generate a target image by merging together the reconstructed images respectively corresponding

Abstract: Without using any approximated wave front propagation model, appropriate delay times are set for received signals to obtain phased signals for both the inside and outside of irradiation area of transmission beam. A reception beamformer comprises a wave front propagation calculator 121 that obtains times until ultrasonic waves transmitted from a plurality of ultrasonic transducers arrive at a reception focus by calculation, and a delay time extractor 122 that calculates delay times for the reception focus on the basis of distribution of the arrival times of the ultrasonic waves for each of the plurality of the ultrasonic transducers obtained by the wave front propagation calculator 121. Therefore, even if the wave front that arrives at the reception focus has a complicated shape, it is not necessary to approximate the wave front, and phasing addition can be performed with appropriate delay times obtained from times until the ultrasonic waves arrive at the reception focus.

Abstract: Devices, systems and methods for performing image guided interventional and surgical procedures, including various procedures to treat sinusitis and other disorders of the paranasal sinuses, ears, nose or throat.

Abstract: A light emitting unit emits light including first light and second light. A light receiving unit outputs a signal of a level in accordance with intensity of incoming light. A first optical sensor is configured to outputs a first signal of a level in accordance with intensity of the first light entering the light receiving unit. A second optical sensor outputs a second signal of a level in accordance with intensity of the second light entering the light receiving unit. Based on the second signal, a controller determines whether or not the living body information sensor and a surface of the living body are in close contact with each other. The controller generates the information related to the living body based on the first signal obtained when the living body information sensor and the surface of the living body are in close contact with each other.

Abstract: Described herein are apparatus and associated methods for the generation of at least one user adjustable, accurate, real-time, virtual surgical reference indicium. A method includes recording an image of an eye and producing a real-time multidimensional visualization using the recorded image. The method also includes determining at least one distinct visible feature within a patient specific pre-operative still image and producing the real-time, virtual surgical reference indicium in conjunction with the patient specific pre-operative still image. The method further includes aligning the real-time, virtual surgical reference indicium with the real-time, multidimensional visualization of the eye using the at least one distinct visible feature.

Abstract: A system, method, and apparatus for performing intraocular lens implantation using real-time surgical reference indicium are disclosed. An example method includes recording a patient specific pre-operative still image of an eye prior to cyclorotation of the eye when a patient lies down for surgery and generating at least one real-time multidimensional visualization of at least a portion of the eye for display. The method further includes using the patient specific pre-operative still image to at least produce at least one virtual surgical reference indicium including an ocular natural vertical axis of the eye and align the at least one virtual surgical reference indicium to the eye in conjunction with the real-time multidimensional visualization of at least a portion of the eye. The patient specific pre-operative still image is captured under a dilation condition selected from the group consisting of natural dilation, chemical dilation, and no dilation.

Abstract: Provided is an ultrasound system configured to detect a flow noise signal at a phantom gate and display a visual indictor representing the detected flow noise signal. The ultrasound system transmits ultrasound signals to an object including a sample volume and receives echo signals from the sample volume and at least one phantom gate. The ultrasound system also generates an ultrasound image based on the received echo signals and displays the generated ultrasound image. Furthermore, the ultrasound system detects a flow noise signal at the at least one phantom gate by using the echo signals and displays a visual indicator representing the detected flow noise signal together with the ultrasound image.

Abstract: An optical probe for detecting a biological tissue includes a surface imaging module and a tomography capturing module. The surface imaging module captures and creates a surface image of the biological tissue, and at least includes a light source emitting a first detecting light. The tomography capturing module captures a tomography image of the biological tissue and receives a second detecting light. The first detecting light passes via a first optical path from the light source to an imaging sensor through the biological tissue, a telecentric lens, a first optical mirror, and a lens assembly in sequence. The second detecting light passes via a second optical path from a first collimator to the first collimator through a scanner, the first optical mirror, the telecentric lens, the biological tissue, the telecentric lens, the first optical mirror, the scanner, and the first collimator in sequence.

Abstract: Intravascular devices, systems, and methods are disclosed. In some embodiments, a medical imaging system for imaging vasculature of a patient is provided. The imaging system includes a console that has one or more processors with a medical imaging system interface running thereon, an acquisition card in communication with the one or more processors and in communication with a patient interface module (PIM), and an intravascular imaging component in communication with the PIM and disposed on a distal end of a flexible elongate member. The medical imaging system interface provides a plurality of settings groups for selection by a user, each of the settings groups having pre-acquisition parameters and post-acquisition parameters that are optimal for imaging a desired viewing target within the vasculature. Associated methods and computer-readable media are provided.

Abstract: An ultrasound imaging apparatus includes a processor configured to set an internal orifice of an uterus (IOS) point indicating the IOS of a cervix and an external orifice of an uterus (EOS) point indicating the EOS of the cervix, from a cervix line indicating a cervical canal, set a region of interest (ROI) of the IOS and a ROI of the EOS based on the IOS point and the EOS point, and calculate degrees of elasticity in the ROI of the IOS and the ROI of the EOS, and a display configured to display information indicating the degrees of elasticity in the ROI of the IOS and the ROI of the EOS.

Abstract: A sonographic imaging device involves an at least one movable panel, coupled to an upper surface, wherein movement of the panel will alter the overall size of the opening, a tub positioned beneath the opening and defining a volume such that a body part of a human subject can freely protrude through the opening into the volume defined by the tub, at least one robotic arm having a terminal end, wherein the terminal end is position-able to multiple locations within the volume defined by the tub, and at least one high frequency ultrasound transducer located near the terminal end. A related method of acquiring sonographic images of internal tissue of a human subject is also described.

Abstract: A method of diagnosing the occurrence or non-occurrence of a blood vessel blockage or hemorrhage comprises non-invasively applying ultrasound to a location on a patient's body, where the ultrasound is applied in an alternating and pulsed fashion, administering acoustic amplifiers to the patient, monitoring a feedback acoustic response signal of the acoustic amplifiers triggered by the ultrasound, and determining a diagnosis based at least in part on a relationship between an acoustic response signature of the acoustic response signal and a baseline acoustic response signature.

Abstract: There are provided a medical image processing apparatus, an endoscope apparatus, a diagnostic support apparatus, and a medical service support apparatus capable of detecting red blood cells using an endoscope image. A medical image processing apparatus includes: a medical image acquisition unit that acquires short wavelength medical images, which are medical images including a subject image and which are obtained by imaging a subject with light in a shorter wavelength band than a green wavelength band; and a red blood cell detection unit that detects red blood cells using the short wavelength medical images. The light in the short wavelength band is, for example, light in a blue band or a violet band of a visible range. The red blood cell detection unit detects, for example, a high-frequency, granular, and high-density region as red blood cells.

Abstract: An ultrasonic imaging apparatus includes a plurality of transducers aligned in a line, a select circuit configured to cause transducers selected from the plurality of transducers to transmit an ultrasonic pulse and receive a plurality of received signals, respectively, and a digital signal processing circuit configured to align in time and add up the plurality of received signals weighted by a plurality of respective weighting factors, wherein the digital signal processing circuit changes the plurality of weighting factors according to a time position on the plurality of received signals such that ratios between the plurality of weighting factors change.

Abstract: Magnetic resonance methods comprise tractographically establishing a path along a structure in a specimen and finding a distribution of structure radii or cross-sectional areas along the path. Based on the distribution and the path, end-to-end functional characteristics of the structure are estimated. For example, nerve transit times or distributions of transit times can be estimated for a plurality of nervous system locations such as Brodmann areas. Comparison of estimated transit times or distributions thereof between reference values or other values from the same structure can be used to assess specimen health.

Abstract: Devices, systems, and methods for visually depicting a vessel and evaluating risk associated with a condition of the vessel are disclosed. In one embodiment, a method of evaluating a vessel of a patient includes obtaining physiology measurements from a first instrument and a second instrument positioned within the vessel of the patient while the second instrument is moved longitudinally through the vessel from a first position to a second position and the first instrument remains stationary within the vessel; outputting the physiology measurements and an image of the vessel on a display, the output image including visualizations based on the obtained physiology measurements; and evaluating whether to perform to surgical procedure based on the physiology measurements and the image of the vessel.

Abstract: A device for supporting determination of return of spontaneous circulation, ROSC, during an associated cardiopulmonary resuscitation, CPR, procedure which is being performed on an associated patient. A sensor is used to sense a physiological signal of the patient. Frequency analysis of the signal is carried out to extract dominant fundamental frequency components in the signal. From this analysis it is possible to determine that there has been a potential ROSC.

Abstract: The present invention relates to a method for transiently disrupting a region of the blood-brain barrier (BBB) of a human using ultrasounds in the presence of an ultrasound contrast agent, and uses thereof. The method comprises the application of at least one ultrasound (US) beam with a pressure level higher than 1 MPa and a resonance frequency ranging from 0.5 to 1.5 MHz.

Abstract: Disclosed is an endoscope device. An endoscope device according to an embodiment of the present invention includes: a heating source that heats a diagnosis target tissue; a cooling source that cools the diagnosis target tissue; a sensing unit that measures temperature of the diagnosis target tissue; and an image processing unit that obtains a first value meaning a temperature change for a predetermined time of the diagnosis target tissue heated by the heating source on the basis of the temperature obtained by the sensing unit, obtains a second value meaning time until the heated diagnosis target tissue is stabilized by being cooled by the cooling source after obtaining the first value, and produces an image for diagnose a tumor in the diagnosis target tissue on the basis of the first value and the second value.