Abstract: A control method, computer readable medium, and imaging apparatus for diagnosis being configured to create a tomographic image are disclosed. The method includes obtaining ultrasound line data oriented in a radial direction from a rotation center based on a signal obtained by executing the scanning; obtaining optical interference line data oriented in a radial direction from the rotation center based on a signal obtained by executing the scanning; identifying a line or a group of lines having a same feature out of each line data of the ultrasound tomographic image and the optical tomographic image; determining segmentation positions for a bundle of lines corresponding to at least a single frame included in each tomographic image from each line data of the ultrasound tomographic image and the optical tomographic image with respect to the identified line or group of lines; and creating a tomographic image from the determined bundle of lines.

Abstract: A multimodal endoscope apparatus includes optical components (couplers, collimators, mirrors, beam splitters, filters and the like) structured to work together to interact with a multimodal endoscope probe to provide at least two imaging modalities selected from fluorescence imaging, optical coherence tomography, and photoacoustic imaging. The multimodal endoscope probe includes a fiber optic imaging bundle including a multitude of optical fibers. In embodiments employing photoacoustic imaging, the multimodal endoscope probe further includes a polymer-Fabry-Perot interferometer. In some embodiments, a galvo scanner and fiber collimator are included and are together capable of directing light to a single optical fiber of the multitude optical fibers. The system is modular in some embodiments, allowing for switching of some components.

Abstract: A method, system, and program product are provided for user-steered, on-the fly path planning in an image-guided endoscopic procedure, comprising: presenting, on a display, a 2D sectional image showing a region of interest from a preoperative CT scan; defining a control point on the 2D sectional image within a patient's body lumen responsive to a first user input; centering the control point; adjusting a viewing angle about the control point to show a longitudinal section of the body lumen responsive to a second user input; identifying a second point on a planned path within the body lumen responsive to a third user input; extending a planned path connecting the control point and the second point; redefining the second point as a new control point; and repeating the presenting adjusting, identifying, extending, and the redefining steps until the planned path reaches a procedure starting point within the patient's body.

Abstract: According to one embodiment, a medical image diagnostic apparatus comprises a position acquisition unit, a data acquisition unit, an alignment unit, a decision unit, and a data generation unit. The position acquisition unit acquires the position of a medical tool in an imaging region with respect to the imaging region at the time of obtaining the medical image. The data acquisition unit acquires volume data corresponding to a three-dimensional region including the imaging region. The alignment unit decides the position of the volume data. The decision unit decides the position of the medical tool with respect to the volume data based on the position of the medical tool and the position of the volume data. The data generation unit generates support volume data by adding support information indicating the position of the medical tool to the volume data.

Abstract: In a method and apparatus for determining at least one patient-specific safety parameter for a medical imaging examination conducted on the patient by a medical imaging device, position data of the patient are acquired by a position data detector while the patient is on a patient-positioning device of the medical imaging apparatus. The acquired position data are evaluated in a processor in order to determine position information of the patient. The patient-specific safety parameter is determined using the position information of the patient.

Abstract: Methods and systems are provided for molecular breast imaging. In one embodiment, a method for nuclear medicine imaging comprises: during an acquisition of emission data from an anatomy of interest, calculating an average counts per pixel in non-target tissue; and responsive to the average counts per pixel reaching a threshold, automatically stopping the acquisition. In this way, an amount of time spent by a patient undergoing an MBI procedure is optimized for the patient.

Abstract: A surgical instrument navigation system is provided that visually simulates a virtual volumetric scene of a body cavity of a patient from a point of view of a surgical instrument residing in the cavity of the patient. The surgical instrument navigation system includes: a surgical instrument; an imaging device which is operable to capture scan data representative of an internal region of interest within a given patient; a tracking subsystem that employs electro-magnetic sensing to capture in real-time position data indicative of the position of the surgical instrument; a data processor which is operable to render a volumetric perspective image of the internal region of interest from a point of view of the surgical instrument; and a display which is operable to display the volumetric perspective image of the patient.

Abstract: An intravascular ultrasound (IVUS) device includes a catheter body having a proximal portion and an opposing distal portion; a transducer array disposed adjacent the distal portion, the transducer array having a plurality of transducers and each of the plurality of transducers having a maximum width, wherein the plurality of transducers are positioned circumferentially around the catheter body with a minimum spacing between adjacent transducers that is at least twice as large as the maximum width. A minimally invasive measuring device includes an elongate body configured for insertion in a patient, the elongate body having a proximal portion and an opposing distal portion; and a transducer array disposed adjacent the distal end, the transducer array having a plurality of transducers disposed circumferentially around the elongate body, the plurality of transducers comprising 3 to 16 transducers. A method of generating an intravascular measurement using an intravascular device is provided.

Abstract: A method and system for acquiring a series of medical images includes acquiring imaging data, identifying double coincidence events and multiple detection (MD) coincidence events from the imaging data, and storing the double coincidence events and the MD coincidence events in a first dataset and a second dataset, respectively. The method also includes applying a normalization correction to the first dataset and/or the second dataset using normalization values based on double coincidence events and/or MD coincidence events to obtain at least one normalized dataset, and reconstructing a series of medical images of the subject from the at least one normalized dataset.

Abstract: An ultrasound diagnostic apparatus includes: an ultrasound probe; region-of-interest setting means for setting the depth position of a region of interest in a subject; reflection point setting means for setting a plurality of points in a region, which is deeper than the depth position of the region of interest, as reflection points of ultrasound waves transmitted from the ultrasound probe; and sound speed value deriving means for deriving a sound speed value in a region between each of the plurality of reflection points and the ultrasound probe, for each of the plurality of reflection points, based on a reception signal generated when the ultrasound probe receives an ultrasound wave reflected at each of the plurality of reflection points.

Abstract: Cross-calibration is provided for functional imaging. In PET or SPECT, the inaccuracies from the dose and detector sensitivity may be reduced or removed in both activity concentration and uptake. By using measures from both the radiotracer for the patient and factory calibrated sources, the variability due to dose may be removed. In SPECT, a measurement of system specific sensitivity to a factory calibrated point source is used to improve the accuracy of uptake values, not just activity concentration.

Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes an imaging system, a biological signal receiving system and a biological signal acquisition apparatus. The imaging system is configured to acquire ultrasonic image data by transmitting and receiving an ultrasonic wave to and from an object. The biological signal receiving system is configured to wirelessly transmit a transmission request of a biological signal of the object, receive the biological signal of the object wirelessly transmitted as a response to the transmission request, and output the received biological signal to an output unit. The transmission request is transmitted to a biological signal acquisition apparatus. The biological signal acquisition apparatus control system is configured to wirelessly transmit information according to an operating condition of at least one of the imaging system and the biological signal receiving system. The information is transmitted to the biological signal acquisition apparatus.

Abstract: The present invention provides a method for determining thromboembolic risk in a patient. The method includes processing functional images of a patient's heart in order to create a computational fluid dynamic (CFD) modeling of the patient's heart. Once a CFD model is obtained, various metrics can be determined to estimate the patient's risk of left ventricular thrombosis. This method is particularly suited for determining thromboembolic risk in patients having suffered a myocardial infarction. However, the method can also be applied to a broader population at risk of cardioembolic and cryptogenic stroke.

Abstract: Methods and apparatus are configures to measure an eye without contacting the eye with a patient interface, and these measurements are used to determine alignment and placement of the incisions when the patient interface contacts the eye. The pre-contact locations of one or more structures of the eye can be used to determine corresponding post-contact locations of the one or more optical structures of the eye when the patient interface has contacted the eye, such that the laser incisions are placed at locations that promote normal vision of the eye. The incisions are positioned in relation to the pre-contact optical structures of the eye, such as an astigmatic treatment axis, nodal points of the eye, and visual axis of the eye.

Abstract: A SPECT diagnostic method of performing myocardial perfusion imaging on a patient, the method including (A) commencing a mycocardial perfusion diagnostic scan; (B) during the scan, determining the photon count rate; (C) using the photon count rate and a predetermined total photon count target, determining a scan duration time; (D) terminating the diagnostic scan when the scan duration time elapses.

Abstract: The present invention is directed to a multi-angulated catheter and methods of using the multi-angulated catheter. The multi-angulated catheter is so dimensioned as to facilitate accessing the left ventricle from an arm of a patient. The multi-angulated catheter generally includes in order: (a) a coiled end; (b) a first straight portion having a first straight portion length; (c) a first shaft including a distal end connected to the first straight portion and a proximal end opposite the distal end, the first shaft and the first straight portion defining a first obtuse angle, the first shaft having a first shaft length; and (d) a second shaft connected to the first shaft on said proximal end. The catheter is flexible so as to afford being straightened when it is advanced over a guide wire. The catheter resiliently returns to a multi-angulated position after the guide wire is withdrawn.

Abstract: An ultrasound diagnosis apparatus providing a user interface enabling a user to easily move viewpoint. The ultrasound diagnosis apparatus includes an image generating unit, which obtains a first ultrasound image by scanning a target object; and a control unit, which obtains first information including a plurality of nodes included in the first ultrasound image, moves a viewpoint based on the first information, and obtains second ultrasound images.

Abstract: Methods, systems and computer program products for determining a mechanical parameter for a sample having a target region, include determining a prior probability density function that characterizes at least one physical property of the target region; generating a displacement of the sample in the target region to form a shear wave that propagates orthogonal to a direction of the displacement; transmitting tracking pulses in the target region; receiving corresponding echo signals for the tracking pulses in the target region at a plurality of lateral positions; estimating a propagation parameter of the shear wave in response to the echo signals and the prior probability density function using statistical inference; and determining at least one mechanical parameter of the target region based on the estimated propagation parameter.

Abstract: Provided is a method for data analysis and processing of an elasticity detection device, and an elasticity detection device. The method includes: transmitting, by each elasticity detection device, a detection result to a cloud server if a communication connection between the elasticity detection device and the cloud server is determined to be normal so that the cloud server can store the detection result in a database. The elasticity detection device transmits a data analysis request to the cloud server, and the cloud server obtains from the database data to be analyzed corresponding to an analysis keyword, analyzes the data to be analyzed to obtain an analysis result, and transmits the analysis result to the elasticity detection device. Thus, the elasticity detection device can obtain a comprehensive and accurate analysis result for different analysis requirements by means of storage and analysis capability of the cloud server on massive detection results.

Abstract: Provided is a method of measuring an ultrasound image in an ultrasound apparatus. The method includes: displaying an ultrasound image on a screen; receiving a first user input of selecting at least one coordinate on the ultrasound image; determining a first measurement tool corresponding to the first user input based on a type of the first user input; and acquiring measurement information on the ultrasound image by using the determined first measurement tool.