Abstract: A method and system for automatically determining a localizer in a scout image. The method comprises obtaining a 3D model best matched to an object to be scanned and projecting a localizer in the best matched 3D model onto a scout image of the object to be scanned to obtain an optimal localizer. The system comprises an obtaining device for obtaining a 3D model best matched to an object to be scanned and a determining device for projecting a localizer in the best matched 3D model onto a scout image of the object to be scanned to obtain an optimal localizer.

Abstract: A curved surface shaped membrane pressure sensor for a moving member and the method for manufacturing the same, the sensor comprising an elastic curved plate and a subtype grid membrane switch formed on the curved plate, wherein the membrane switch is coupled to a cutting board shell of the moving member on one side opposed to the curved plate, and the subtype grid membrane switch is used for sensing the presence of pressure on the curved plate. The curved surface shaped membrane pressure sensor according to the present invention can not only meet the requirements on appearance of the moving member, but also effectively sense the touching to prevent injury on the object being detected, and additionally can effectively achieving the effects of fireproofing and waterproofing.

Abstract: A CT collimator comprising a rotating slot part on a rotation shaft and having a plurality of blades, each blade has a slot of a different width and a radiation beam entering the collimator can only pass via a slot in one of the blades, each edge of each blade slot along a longitudinal direction has a convex curved surface structure, and in a vertical plane along a longitudinal direction, two side edges of the slot are curved, and each blade is arranged to be eccentric to the center of the rotation shaft. A CT system using the CT collimator, the detection area of the radiation rays projected to the radiation detector via the CT collimator can be maintained unchanged by adjusting the rotation angle of the blade, under the circumstance where the focus of the radiation source shifts during a CT scan.

Abstract: A CT collimator comprising: a first gate and a second gate arranged in parallel on a slide rail, the first gate being fixed to a support rack of the CT collimator via elastic members; an electromagnet system arranged on one of the first gate and the second gate; and a metal plate arranged on the other side of the one of the first gate and the second gate relative to the electromagnet system, one end of the metal plate being fixed on the other of the first gate and the second gate and the other end of the metal plate extending to below the electromagnet system, wherein the electromagnet system is configured to engage the first gate and the second gate via the metal plate when the electromagnet system is triggered.

Abstract: An X-ray detector, a collimator, a CT apparatus and a method thereof are provided. The X-ray detector comprises a plurality of detector modules which are arranged in an array along a slice direction and a signal channel direction being orthogonal to each other, the array at least comprising a left detection area, a central detection area and a right detection area that are contiguous in the signal channel direction, wherein, in the slice direction, coverage of the left detection area and coverage of the right detection area are complementary and sum of these two coverages is equal to coverage of the central detection area. The collimator comprises a pair of moving shield plates and a fixing shield plate, wherein shape of a window in the fixing shield plate is the same as shape of the array. The CT apparatus comprises the X-ray detector and the collimator.

Abstract: An ultrasonic probe configured to be connected to an apparatus main body of an ultrasonic diagnostic apparatus that is configured to perform an ultrasonic procedure on a subject is provided. The ultrasonic probe includes a transducer configured to transmit an ultrasonic wave to the subject and receive an ultrasonic echo reflected from the subject, an inductor connected in parallel with the transducer, and a current limiter connected to the inductor and configured to limit a current flowing through the inductor to a predetermined current level or lower.

Abstract: A linkage mechanism of a scattered ray inhibition apparatus and a radiation field control apparatus is provided. The linkage mechanism includes a first timing belt, a second timing belt, and a transmission mechanism between the first timing belt and the second timing belt, wherein the scattered ray inhibition apparatus is mounted on the first timing belt, the radiation field control apparatus is mounted on the second timing belt, the transmission ratio of the transmission mechanism is equal to the ratio of the moving speed of the scattered ray inhibition apparatus to the moving speed of the radiation field control apparatus.

Abstract: A calculating apparatus is provided. The calculating apparatus includes a resistance calculating unit configured to calculate, based on a pulse width of a gradient pulse generated by a gradient coil, a resistance of the gradient coil at the time that the gradient coil generates the gradient pulse, and a power consumption calculating unit configured to calculate power consumption of the gradient coil, based on the resistance of the gradient coil.

Abstract: A measuring apparatus is provided. The measuring apparatus includes a measurement value calculating unit configured to calculate a measurement value, based on each of a plurality of measurement reference points set to an ultrasound image that is generated based on echo signals of ultrasound obtained from a subject, an evaluation value calculating unit configured to calculate an evaluation value related to one of a rate of reflection of each of the echo signals and an azimuth of a biological tissue structure in the subject, the evaluation value calculated with respect to each of the measurement reference points, and a determination unit configured to determine a reliability for the measurement value, based on the evaluation value.

Abstract: A measuring apparatus is provided. The measuring apparatus includes a first region of interest setting unit configured to set first regions of interest to a target for observation, a second region of interest setting unit configured to set a second region of interest to a part not including the first regions of interest, a first moving vector calculating unit configured to calculate moving vectors of first parts of the first regions of interest, a second moving vector calculating unit configured to calculate a moving vector of a second part of the second region, and a corrected moving vector calculating unit configured to perform a correction based on the moving vector of the second part on each of the moving vectors of the first parts to calculate a corrected moving vector.

Abstract: A method for image reconstruction using projection data obtained by an asymmetric detector includes dividing the projection data into Regions 1, 2, 3, 4, and 5. Region 1 is an asymmetric region having detecting channels but no detecting channels symmetrical about a central channel. Region 2 is a transition region having detecting channels and there are detecting channels symmetrical about the central channel. Region 3 is a symmetric region having detecting channels and there are detecting channels symmetrical about the central channel. Region 4 is a transition region having detecting channels and there are detecting channels symmetrical about the central channel. Region 5 is a truncated region where there is no detecting channel. The method includes performing a view angle weighting on projection data in each of the five regions, and reconstructing a tomographic image of an irradiated subject from the weighted projection data.

Abstract: A chiller-less cooling system for cooling an interventional detector comprising a detector housing. The detector housing comprising a detector tray to which the detector is attached, a lift frame on which a driving mechanism is installed to lift up/down the detector housing, a connecting arm to connect the detector tray and the lift frame, and a cover. The cooling system comprising a heat pipes connecting the detector tray and the lift frame so as to reduce a thermal resistance between the detector tray and the lift frame and transfer more heat from the detector, an external heat sink connected with the heat pipe for reducing a thermal resistance between the lift frame and an ambient environment, and a high heat transfer coefficient device embedded into the detector tray for collecting heat leading to the heat pipe, obtaining a uniform temperature distribution, and reducing a thermal resistance of the detector tray.

Abstract: A collimator for X-ray imaging apparatus is provided. The collimator includes a collimator housing including a tube flange, a tube, a locating ring configured to be mounted at an outlet of the tube flange, and at least one tongue set fixed on the locating ring. An outstretching direction of the tongue is towards a center of the locating ring.

Abstract: An image display system is provided. The image display system includes a data server configured to store image data, a display terminal configured to display an image based on image data obtained from the data server and configured to receive additional information from an operator to be added to the image, and an information sharing unit configured to store specification information and the additional information, the specification information specifying additional image data added on the image with the additional information. The information sharing unit is configured to store additional information and specification information inputted at a plurality of display terminals, and, when the image data obtained from the data server coincides with the additional image data, the display terminal is configured to display the image and the additional information.

Abstract: An ultrasonic diagnostic apparatus includes a physical quantity calculator for setting correlation windows to two echo signals obtained by transmission/reception of ultrasound to and from a biological tissue and different in time on the same sound rays and performing a correlation arithmetic operation between the correlation windows to thereby calculate physical quantities related to elasticity of respective regions in the biological tissue, an elastic image data generator for generating elastic image data of the biological tissue with respect to an elastic image forming region of a transmission/reception surface of the ultrasound, based on the physical quantities, a physical quantity average unit for calculating an average of the physical quantities in the elastic image forming region for every frame, a comparator for comparing a value calculated by the physical quantity average unit and a preset average value of the physical quantities, and a notification unit for notifying a result of comparison by the com

Abstract: A magnetic resonance imaging apparatus includes z segments which divide a ky-kz plane. The z segments includes data located therein. The ky-kz plane is divided into z center-in regions and z center-out regions by a plurality of lines extending radially from a center of the ky-kz plane. The z center-in regions have data located therein in accordance with first trajectories which proceed toward the center of the ky-kz plane. The z center-out regions have data located therein in accordance with second trajectories which proceed in a direction spaced away from the center of the ky-kz plane. Each of the z segments has one center-in region of the z center-in regions and one center-out region of the z center-out regions. Each of the z segments is defined in which after data have been located in said one center-in region in accordance with the first trajectory, data are located in said one center-out region in accordance with the second trajectory.

Abstract: An ultrasound diagnostic apparatus is provided. The ultrasound diagnostic apparatus includes a physical quantity calculating unit configured to set correlation windows to two echo signals different in time from each other on the same sound ray, and perform a correlation computation to calculate a physical quantity related to elasticity. The ultrasound diagnostic apparatus further includes a computing unit configured to compute a computed value from a computational equation, the computed value emphasizing parameter characteristics of a cyst in a biological tissue, the computational equation using at least two of the following three parameters: an absolute value of the physical quantity, a correlation coefficient related to the correlation computation, and an intensity of each echo signal of ultrasound obtained from the biological tissue. The ultrasound diagnostic apparatus further includes a display unit configured to display an image having a display form corresponding to the computed value.

Abstract: Certain embodiments of the present invention provide a system and method for synchronized viewing of a plurality of images of an object. Corresponding landmarks of an object are synchronized between a first image set and a second image set. In an embodiment, the landmarks are folds of a human colon and the first image set and second images sets are computerized tomography scans, at least one image set being a prone scan of a portion of anatomy and at least one image set being a supine scan of a portion of the anatomy. An indicator for at least a first location in a first image set is displayed. The location of a second location in a second image set of an object is determined, wherein the second location corresponds to the first location of the object. The second location in the second image set is displayed.

Abstract: A communication method is provided. The communication method includes generating a pseudo background sound signal based on a gradient pulse control signal, performing a computation of subtracting the pseudo background sound signal from an acoustic signal having a sound signal and a background sound signal including a gradient coil drive sound signal, the acoustic signal obtained by an input device configured to receive the voice of a subject, and outputting sound based on a result of the computation, wherein a parameter of generating the pseudo background sound signal is controlled to reduce the difference resulting from the subtraction.